id	sid	tid	token	lemma	pos
fuen-51	1	1	s.	s.	PROPN
fuen-51	1	2	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	1	3	/	/	SYM
fuen-51	1	4	future	future	ADJ
fuen-51	1	5	energy	energy	NOUN
fuen-51	1	6	february	february	PROPN
fuen-51	1	7	2023|	2023|	NUM
fuen-51	1	8	volume	volume	NOUN
fuen-51	1	9	02	02	NUM
fuen-51	2	1	|	|	NOUN
fuen-51	2	2	issue	issue	NOUN
fuen-51	2	3	01	01	NUM
fuen-51	3	1	|	|	NOUN
fuen-51	3	2	pages	page	VERB
fuen-51	3	3	27	27	NUM
fuen-51	3	4	-	-	SYM
fuen-51	3	5	37	37	NUM
fuen-51	3	6	27	27	NUM
fuen-51	3	7	article	article	NOUN
fuen-51	3	8	properties	property	NOUN
fuen-51	3	9	of	of	ADP
fuen-51	3	10	turbulent	turbulent	ADJ
fuen-51	3	11	non	non	ADJ
fuen-51	3	12	-	-	ADJ
fuen-51	3	13	premixed	premixed	ADJ
fuen-51	3	14	methane	methane	NOUN
fuen-51	3	15	/	/	SYM
fuen-51	3	16	air	air	NOUN
fuen-51	3	17	flames	flame	NOUN
fuen-51	3	18	in	in	ADP
fuen-51	3	19	a	a	DET
fuen-51	3	20	miniature	miniature	ADJ
fuen-51	3	21	-	-	PUNCT
fuen-51	3	22	scale	scale	NOUN
fuen-51	3	23	swirl	swirl	NOUN
fuen-51	3	24	burner	burner	NOUN
fuen-51	3	25	under	under	ADP
fuen-51	3	26	different	different	ADJ
fuen-51	3	27	coaxial	coaxial	ADJ
fuen-51	3	28	airflow	airflow	NOUN
fuen-51	3	29	swirl	swirl	NOUN
fuen-51	3	30	numbers	number	NOUN
fuen-51	3	31	soroush	soroush	X
fuen-51	3	32	sheykhbaglou*1	sheykhbaglou*1	X
fuen-51	3	33	1school	1school	NUM
fuen-51	3	34	of	of	ADP
fuen-51	3	35	mechanical	mechanical	ADJ
fuen-51	3	36	,	,	PUNCT
fuen-51	3	37	aerospace	aerospace	NOUN
fuen-51	3	38	,	,	PUNCT
fuen-51	3	39	and	and	CCONJ
fuen-51	3	40	maritime	maritime	ADJ
fuen-51	3	41	engineering	engineering	NOUN
fuen-51	3	42	,	,	PUNCT
fuen-51	3	43	amirkabir	amirkabir	NOUN
fuen-51	3	44	university	university	PROPN
fuen-51	3	45	of	of	ADP
fuen-51	3	46	technology	technology	NOUN
fuen-51	3	47	(	(	PUNCT
fuen-51	3	48	tehran	tehran	NOUN
fuen-51	3	49	polytechnic	polytechnic	PROPN
fuen-51	3	50	)	)	PUNCT
fuen-51	3	51	,	,	PUNCT
fuen-51	3	52	no	no	INTJ
fuen-51	3	53	.	.	NOUN
fuen-51	3	54	350	350	NUM
fuen-51	3	55	,	,	PUNCT
fuen-51	3	56	hafez	hafez	PROPN
fuen-51	3	57	ave	ave	PROPN
fuen-51	3	58	,	,	PUNCT
fuen-51	3	59	tehran	tehran	PROPN
fuen-51	3	60	,	,	PUNCT
fuen-51	3	61	iran	iran	PROPN
fuen-51	3	62	a	a	DET
fuen-51	3	63	r	r	NOUN
fuen-51	3	64	t	t	NOUN
fuen-51	4	1	i	i	PRON
fuen-51	4	2	c	c	NOUN
fuen-51	4	3	l	l	NOUN
fuen-51	4	4	e	e	NOUN
fuen-51	5	1	i	i	PRON
fuen-51	5	2	n	n	VERB
fuen-51	5	3	f	f	NOUN
fuen-51	5	4	o	o	NOUN
fuen-51	5	5	article	article	NOUN
fuen-51	5	6	history	history	NOUN
fuen-51	5	7	:	:	PUNCT
fuen-51	5	8	received	receive	VERB
fuen-51	5	9	24	24	NUM
fuen-51	5	10	august	august	PROPN
fuen-51	5	11	2022	2022	NUM
fuen-51	5	12	received	receive	VERB
fuen-51	5	13	in	in	ADP
fuen-51	5	14	revised	revise	VERB
fuen-51	5	15	form	form	NOUN
fuen-51	5	16	24	24	NUM
fuen-51	5	17	september	september	PROPN
fuen-51	5	18	2022	2022	NUM
fuen-51	5	19	accepted	accept	VERB
fuen-51	5	20	30	30	NUM
fuen-51	5	21	september	september	PROPN
fuen-51	5	22	2022	2022	NUM
fuen-51	5	23	keywords	keyword	NOUN
fuen-51	5	24	:	:	PUNCT
fuen-51	5	25	miniature	miniature	ADJ
fuen-51	5	26	swirl	swirl	NOUN
fuen-51	5	27	burner	burner	NOUN
fuen-51	5	28	,	,	PUNCT
fuen-51	5	29	flame	flame	NOUN
fuen-51	5	30	lift	lift	NOUN
fuen-51	5	31	-	-	PUNCT
fuen-51	5	32	off	off	NOUN
fuen-51	5	33	,	,	PUNCT
fuen-51	5	34	flame	flame	NOUN
fuen-51	5	35	characteristics	characteristic	NOUN
fuen-51	5	36	,	,	PUNCT
fuen-51	5	37	intermittency	intermittency	NOUN
fuen-51	5	38	distribution	distribution	NOUN
fuen-51	5	39	,	,	PUNCT
fuen-51	5	40	otsu	otsu	NOUN
fuen-51	5	41	threshold	threshold	NOUN
fuen-51	5	42	,	,	PUNCT
fuen-51	5	43	flame	flame	NOUN
fuen-51	5	44	pulsating	pulsate	VERB
fuen-51	5	45	displacement	displacement	NOUN
fuen-51	5	46	*	*	PUNCT
fuen-51	5	47	corresponding	correspond	VERB
fuen-51	5	48	author	author	NOUN
fuen-51	5	49	email	email	NOUN
fuen-51	5	50	address	address	NOUN
fuen-51	5	51	:	:	PUNCT
fuen-51	5	52	soroush.sheykh@aut.ac.ir	soroush.sheykh@aut.ac.ir	NOUN
fuen-51	5	53	doi	doi	NOUN
fuen-51	5	54	:	:	PUNCT
fuen-51	5	55	10.55670	10.55670	NUM
fuen-51	5	56	/	/	SYM
fuen-51	5	57	fpll.fuen.2.1.5	fpll.fuen.2.1.5	NOUN
fuen-51	5	58	a	a	DET
fuen-51	5	59	b	b	PROPN
fuen-51	5	60	s	s	ADP
fuen-51	5	61	t	t	PROPN
fuen-51	5	62	r	r	NOUN
fuen-51	5	63	a	a	DET
fuen-51	5	64	c	c	NOUN
fuen-51	5	65	t	t	NOUN
fuen-51	5	66	this	this	DET
fuen-51	5	67	study	study	NOUN
fuen-51	5	68	investigates	investigate	VERB
fuen-51	5	69	the	the	DET
fuen-51	5	70	dynamics	dynamic	NOUN
fuen-51	5	71	and	and	CCONJ
fuen-51	5	72	properties	property	NOUN
fuen-51	5	73	of	of	ADP
fuen-51	5	74	non	non	ADJ
fuen-51	5	75	-	-	ADJ
fuen-51	5	76	premixed	premixed	ADJ
fuen-51	5	77	methane	methane	NOUN
fuen-51	5	78	/	/	SYM
fuen-51	5	79	air	air	NOUN
fuen-51	5	80	flames	flame	NOUN
fuen-51	5	81	under	under	ADP
fuen-51	5	82	three	three	NUM
fuen-51	5	83	swirl	swirl	ADJ
fuen-51	5	84	numbers	number	NOUN
fuen-51	5	85	by	by	ADP
fuen-51	5	86	segmenting	segment	VERB
fuen-51	5	87	flame	flame	NOUN
fuen-51	5	88	images	image	NOUN
fuen-51	5	89	using	use	VERB
fuen-51	5	90	the	the	DET
fuen-51	5	91	otsu	otsu	NOUN
fuen-51	5	92	thresholding	thresholding	NOUN
fuen-51	5	93	technique	technique	NOUN
fuen-51	5	94	.	.	PUNCT
fuen-51	6	1	under	under	ADP
fuen-51	6	2	three	three	NUM
fuen-51	6	3	operating	operating	NOUN
fuen-51	6	4	conditions	condition	NOUN
fuen-51	6	5	,	,	PUNCT
fuen-51	6	6	the	the	DET
fuen-51	6	7	lean	lean	ADJ
fuen-51	6	8	blow	blow	NOUN
fuen-51	6	9	out	out	ADP
fuen-51	6	10	(	(	PUNCT
fuen-51	6	11	lbo	lbo	PROPN
fuen-51	6	12	)	)	PUNCT
fuen-51	6	13	and	and	CCONJ
fuen-51	6	14	flame	flame	NOUN
fuen-51	6	15	length	length	NOUN
fuen-51	6	16	,	,	PUNCT
fuen-51	6	17	lift	lift	NOUN
fuen-51	6	18	-	-	PUNCT
fuen-51	6	19	off	off	ADP
fuen-51	6	20	height	height	NOUN
fuen-51	6	21	,	,	PUNCT
fuen-51	6	22	maximum	maximum	ADJ
fuen-51	6	23	width	width	NOUN
fuen-51	6	24	,	,	PUNCT
fuen-51	6	25	flame	flame	NOUN
fuen-51	6	26	angle	angle	NOUN
fuen-51	6	27	,	,	PUNCT
fuen-51	6	28	and	and	CCONJ
fuen-51	6	29	flame	flame	NOUN
fuen-51	6	30	pulsing	pulse	VERB
fuen-51	6	31	displacements	displacement	NOUN
fuen-51	6	32	in	in	ADP
fuen-51	6	33	terms	term	NOUN
fuen-51	6	34	of	of	ADP
fuen-51	6	35	flame	flame	NOUN
fuen-51	6	36	center	center	NOUN
fuen-51	6	37	of	of	ADP
fuen-51	6	38	gravity	gravity	NOUN
fuen-51	6	39	,	,	PUNCT
fuen-51	6	40	length	length	NOUN
fuen-51	6	41	,	,	PUNCT
fuen-51	6	42	and	and	CCONJ
fuen-51	6	43	width	width	NOUN
fuen-51	6	44	are	be	AUX
fuen-51	6	45	measured	measure	VERB
fuen-51	6	46	and	and	CCONJ
fuen-51	6	47	compared	compare	VERB
fuen-51	6	48	.	.	PUNCT
fuen-51	7	1	a	a	DET
fuen-51	7	2	high	high	ADJ
fuen-51	7	3	-	-	PUNCT
fuen-51	7	4	speed	speed	NOUN
fuen-51	7	5	camera	camera	NOUN
fuen-51	7	6	is	be	AUX
fuen-51	7	7	used	use	VERB
fuen-51	7	8	to	to	PART
fuen-51	7	9	record	record	VERB
fuen-51	7	10	video	video	NOUN
fuen-51	7	11	of	of	ADP
fuen-51	7	12	flames	flame	NOUN
fuen-51	7	13	,	,	PUNCT
fuen-51	7	14	and	and	CCONJ
fuen-51	7	15	the	the	DET
fuen-51	7	16	image	image	NOUN
fuen-51	7	17	processing	processing	NOUN
fuen-51	7	18	of	of	ADP
fuen-51	7	19	frames	frame	NOUN
fuen-51	7	20	collected	collect	VERB
fuen-51	7	21	from	from	ADP
fuen-51	7	22	a	a	DET
fuen-51	7	23	high	high	ADJ
fuen-51	7	24	-	-	PUNCT
fuen-51	7	25	speed	speed	NOUN
fuen-51	7	26	video	video	NOUN
fuen-51	7	27	was	be	AUX
fuen-51	7	28	accomplished	accomplish	VERB
fuen-51	7	29	by	by	ADP
fuen-51	7	30	using	use	VERB
fuen-51	7	31	the	the	DET
fuen-51	7	32	intermittency	intermittency	NOUN
fuen-51	7	33	distribution	distribution	NOUN
fuen-51	7	34	method	method	NOUN
fuen-51	7	35	to	to	PART
fuen-51	7	36	quantitatively	quantitatively	ADV
fuen-51	7	37	compare	compare	VERB
fuen-51	7	38	flame	flame	NOUN
fuen-51	7	39	attributes	attribute	NOUN
fuen-51	7	40	.	.	PUNCT
fuen-51	8	1	the	the	DET
fuen-51	8	2	findings	finding	NOUN
fuen-51	8	3	show	show	VERB
fuen-51	8	4	that	that	SCONJ
fuen-51	8	5	increasing	increase	VERB
fuen-51	8	6	the	the	DET
fuen-51	8	7	swirl	swirl	ADJ
fuen-51	8	8	number	number	NOUN
fuen-51	8	9	from	from	ADP
fuen-51	8	10	0.5	0.5	NUM
fuen-51	8	11	to	to	ADP
fuen-51	8	12	0.7	0.7	NUM
fuen-51	8	13	generally	generally	ADV
fuen-51	8	14	has	have	VERB
fuen-51	8	15	an	an	DET
fuen-51	8	16	unfavorable	unfavorable	ADJ
fuen-51	8	17	effect	effect	NOUN
fuen-51	8	18	on	on	ADP
fuen-51	8	19	the	the	DET
fuen-51	8	20	lbo	lbo	PROPN
fuen-51	8	21	at	at	ADP
fuen-51	8	22	given	give	VERB
fuen-51	8	23	fuel	fuel	NOUN
fuen-51	8	24	flow	flow	NOUN
fuen-51	8	25	rates	rate	NOUN
fuen-51	8	26	,	,	PUNCT
fuen-51	8	27	and	and	CCONJ
fuen-51	8	28	the	the	DET
fuen-51	8	29	lbo	lbo	PROPN
fuen-51	8	30	of	of	ADP
fuen-51	8	31	flames	flame	NOUN
fuen-51	8	32	under	under	ADP
fuen-51	8	33	35	35	NUM
fuen-51	8	34	°	°	NOUN
fuen-51	8	35	(	(	PUNCT
fuen-51	8	36	0.6	0.6	NUM
fuen-51	8	37	swirl	swirl	ADJ
fuen-51	8	38	number	number	NOUN
fuen-51	8	39	)	)	PUNCT
fuen-51	8	40	and	and	CCONJ
fuen-51	8	41	40	40	NUM
fuen-51	8	42	°	°	NOUN
fuen-51	8	43	(	(	PUNCT
fuen-51	8	44	0.7	0.7	NUM
fuen-51	8	45	swirl	swirl	ADJ
fuen-51	8	46	number	number	NOUN
fuen-51	8	47	)	)	PUNCT
fuen-51	8	48	swirlers	swirler	NOUN
fuen-51	8	49	has	have	AUX
fuen-51	8	50	decreased	decrease	VERB
fuen-51	8	51	up	up	ADP
fuen-51	8	52	to	to	ADP
fuen-51	8	53	about	about	ADP
fuen-51	8	54	15	15	NUM
fuen-51	8	55	%	%	NOUN
fuen-51	8	56	and	and	CCONJ
fuen-51	8	57	40	40	NUM
fuen-51	8	58	%	%	NOUN
fuen-51	8	59	,	,	PUNCT
fuen-51	8	60	respectively	respectively	ADV
fuen-51	8	61	when	when	SCONJ
fuen-51	8	62	compared	compare	VERB
fuen-51	8	63	with	with	ADP
fuen-51	8	64	a	a	DET
fuen-51	8	65	30	30	NUM
fuen-51	8	66	°	°	NOUN
fuen-51	8	67	swirler	swirler	NOUN
fuen-51	8	68	(	(	PUNCT
fuen-51	8	69	0.5	0.5	NUM
fuen-51	8	70	swirl	swirl	ADJ
fuen-51	8	71	number	number	NOUN
fuen-51	8	72	)	)	PUNCT
fuen-51	8	73	.	.	PUNCT
fuen-51	9	1	additionally	additionally	ADV
fuen-51	9	2	,	,	PUNCT
fuen-51	9	3	observations	observation	NOUN
fuen-51	9	4	indicate	indicate	VERB
fuen-51	9	5	that	that	SCONJ
fuen-51	9	6	the	the	DET
fuen-51	9	7	flame	flame	NOUN
fuen-51	9	8	length	length	NOUN
fuen-51	9	9	(	(	PUNCT
fuen-51	9	10	𝐿	𝐿	NOUN
fuen-51	9	11	)	)	PUNCT
fuen-51	9	12	and	and	CCONJ
fuen-51	9	13	liftoff	liftoff	ADJ
fuen-51	9	14	height	height	NOUN
fuen-51	9	15	(	(	PUNCT
fuen-51	9	16	𝐿𝑂	𝐿𝑂	PROPN
fuen-51	9	17	)	)	PUNCT
fuen-51	9	18	drop	drop	NOUN
fuen-51	9	19	as	as	SCONJ
fuen-51	9	20	the	the	DET
fuen-51	9	21	swirl	swirl	ADJ
fuen-51	9	22	number	number	NOUN
fuen-51	9	23	rises	rise	VERB
fuen-51	9	24	,	,	PUNCT
fuen-51	9	25	although	although	SCONJ
fuen-51	9	26	the	the	DET
fuen-51	9	27	flame	flame	NOUN
fuen-51	9	28	width	width	NOUN
fuen-51	9	29	(	(	PUNCT
fuen-51	9	30	𝑊	𝑊	NOUN
fuen-51	9	31	)	)	PUNCT
fuen-51	9	32	and	and	CCONJ
fuen-51	9	33	angle	angle	NOUN
fuen-51	9	34	(	(	PUNCT
fuen-51	9	35	𝛼	𝛼	X
fuen-51	9	36	)	)	PUNCT
fuen-51	9	37	show	show	VERB
fuen-51	9	38	an	an	DET
fuen-51	9	39	ascending	ascend	VERB
fuen-51	9	40	tendency	tendency	NOUN
fuen-51	9	41	.	.	PUNCT
fuen-51	10	1	besides	besides	ADV
fuen-51	10	2	,	,	PUNCT
fuen-51	10	3	flame	flame	NOUN
fuen-51	10	4	lift	lift	NOUN
fuen-51	10	5	-	-	PUNCT
fuen-51	10	6	off	off	NOUN
fuen-51	10	7	reveals	reveal	VERB
fuen-51	10	8	an	an	DET
fuen-51	10	9	increasing	increase	VERB
fuen-51	10	10	-	-	PUNCT
fuen-51	10	11	decreasing	decrease	VERB
fuen-51	10	12	trend	trend	NOUN
fuen-51	10	13	with	with	ADP
fuen-51	10	14	an	an	DET
fuen-51	10	15	increment	increment	NOUN
fuen-51	10	16	in	in	ADP
fuen-51	10	17	the	the	DET
fuen-51	10	18	airflow	airflow	NOUN
fuen-51	10	19	,	,	PUNCT
fuen-51	10	20	and	and	CCONJ
fuen-51	10	21	flame	flame	NOUN
fuen-51	10	22	length	length	NOUN
fuen-51	10	23	decreases	decrease	VERB
fuen-51	10	24	as	as	ADP
fuen-51	10	25	the	the	DET
fuen-51	10	26	airflow	airflow	NOUN
fuen-51	10	27	rate	rate	NOUN
fuen-51	10	28	increases	increase	NOUN
fuen-51	10	29	.	.	PUNCT
fuen-51	11	1	it	it	PRON
fuen-51	11	2	was	be	AUX
fuen-51	11	3	also	also	ADV
fuen-51	11	4	observed	observe	VERB
fuen-51	11	5	that	that	SCONJ
fuen-51	11	6	flame	flame	NOUN
fuen-51	11	7	pulsating	pulsate	VERB
fuen-51	11	8	displacements	displacement	NOUN
fuen-51	11	9	in	in	ADP
fuen-51	11	10	terms	term	NOUN
fuen-51	11	11	of	of	ADP
fuen-51	11	12	center	center	NOUN
fuen-51	11	13	of	of	ADP
fuen-51	11	14	gravity	gravity	NOUN
fuen-51	11	15	(	(	PUNCT
fuen-51	11	16	𝛿𝐶𝐺	𝛿𝐶𝐺	PROPN
fuen-51	11	17	)	)	PUNCT
fuen-51	11	18	,	,	PUNCT
fuen-51	11	19	length	length	NOUN
fuen-51	11	20	(	(	PUNCT
fuen-51	11	21	𝛿𝐿	𝛿𝐿	NOUN
fuen-51	11	22	)	)	PUNCT
fuen-51	11	23	,	,	PUNCT
fuen-51	11	24	and	and	CCONJ
fuen-51	11	25	width	width	ADJ
fuen-51	11	26	(	(	PUNCT
fuen-51	11	27	𝛿𝑊	𝛿𝑊	NOUN
fuen-51	11	28	)	)	PUNCT
fuen-51	11	29	increases	increase	NOUN
fuen-51	11	30	with	with	ADP
fuen-51	11	31	an	an	DET
fuen-51	11	32	increase	increase	NOUN
fuen-51	11	33	in	in	ADP
fuen-51	11	34	the	the	DET
fuen-51	11	35	fuel	fuel	NOUN
fuen-51	11	36	flow	flow	NOUN
fuen-51	11	37	rate	rate	NOUN
fuen-51	11	38	,	,	PUNCT
fuen-51	11	39	and	and	CCONJ
fuen-51	11	40	as	as	SCONJ
fuen-51	11	41	the	the	DET
fuen-51	11	42	swirl	swirl	ADJ
fuen-51	11	43	number	number	NOUN
fuen-51	11	44	is	be	AUX
fuen-51	11	45	increased	increase	VERB
fuen-51	11	46	,	,	PUNCT
fuen-51	11	47	𝛿𝐶𝐺	𝛿𝐶𝐺	NOUN
fuen-51	11	48	and	and	CCONJ
fuen-51	11	49	𝛿𝐿	𝛿𝐿	NOUN
fuen-51	11	50	lessens	lessen	NOUN
fuen-51	11	51	,	,	PUNCT
fuen-51	11	52	while	while	SCONJ
fuen-51	11	53	𝛿𝑊	𝛿𝑊	NOUN
fuen-51	11	54	increases	increase	NOUN
fuen-51	11	55	.	.	PUNCT
fuen-51	12	1	1	1	X
fuen-51	12	2	.	.	X
fuen-51	12	3	introduction	introduction	NOUN
fuen-51	12	4	image	image	NOUN
fuen-51	12	5	segmentation	segmentation	NOUN
fuen-51	12	6	is	be	AUX
fuen-51	12	7	a	a	DET
fuen-51	12	8	key	key	ADJ
fuen-51	12	9	step	step	NOUN
fuen-51	12	10	that	that	PRON
fuen-51	12	11	enables	enable	VERB
fuen-51	12	12	feature	feature	NOUN
fuen-51	12	13	extraction	extraction	NOUN
fuen-51	12	14	and	and	CCONJ
fuen-51	12	15	identification	identification	NOUN
fuen-51	12	16	in	in	ADP
fuen-51	12	17	the	the	DET
fuen-51	12	18	field	field	NOUN
fuen-51	12	19	of	of	ADP
fuen-51	12	20	image	image	NOUN
fuen-51	12	21	analysis	analysis	NOUN
fuen-51	12	22	and	and	CCONJ
fuen-51	12	23	processing	processing	NOUN
fuen-51	12	24	.	.	PUNCT
fuen-51	13	1	several	several	ADJ
fuen-51	13	2	techniques	technique	NOUN
fuen-51	13	3	are	be	AUX
fuen-51	13	4	used	use	VERB
fuen-51	13	5	to	to	PART
fuen-51	13	6	perform	perform	VERB
fuen-51	13	7	the	the	DET
fuen-51	13	8	segmentation	segmentation	NOUN
fuen-51	13	9	task	task	NOUN
fuen-51	13	10	:	:	PUNCT
fuen-51	13	11	(	(	PUNCT
fuen-51	13	12	1	1	X
fuen-51	13	13	)	)	PUNCT
fuen-51	13	14	threshold	threshold	NOUN
fuen-51	13	15	-	-	PUNCT
fuen-51	13	16	based	base	VERB
fuen-51	13	17	methods	method	NOUN
fuen-51	13	18	,	,	PUNCT
fuen-51	13	19	(	(	PUNCT
fuen-51	13	20	2	2	X
fuen-51	13	21	)	)	PUNCT
fuen-51	13	22	edgebased	edgebase	VERB
fuen-51	13	23	methods	method	NOUN
fuen-51	13	24	,	,	PUNCT
fuen-51	13	25	(	(	PUNCT
fuen-51	13	26	3	3	X
fuen-51	13	27	)	)	PUNCT
fuen-51	13	28	region	region	NOUN
fuen-51	13	29	-	-	PUNCT
fuen-51	13	30	based	base	VERB
fuen-51	13	31	methods	method	NOUN
fuen-51	13	32	,	,	PUNCT
fuen-51	13	33	(	(	PUNCT
fuen-51	13	34	4	4	X
fuen-51	13	35	)	)	PUNCT
fuen-51	13	36	clusteringbased	clusteringbase	VERB
fuen-51	13	37	methods	method	NOUN
fuen-51	13	38	,	,	PUNCT
fuen-51	13	39	(	(	PUNCT
fuen-51	13	40	5	5	X
fuen-51	13	41	)	)	PUNCT
fuen-51	13	42	partial	partial	ADJ
fuen-51	13	43	differential	differential	NOUN
fuen-51	13	44	equation	equation	NOUN
fuen-51	13	45	-	-	PUNCT
fuen-51	13	46	based	base	VERB
fuen-51	13	47	methods	method	NOUN
fuen-51	13	48	,	,	PUNCT
fuen-51	13	49	and	and	CCONJ
fuen-51	13	50	(	(	PUNCT
fuen-51	13	51	6	6	NUM
fuen-51	13	52	)	)	PUNCT
fuen-51	13	53	artificial	artificial	ADJ
fuen-51	13	54	neural	neural	ADJ
fuen-51	13	55	network	network	NOUN
fuen-51	13	56	-	-	PUNCT
fuen-51	13	57	based	base	VERB
fuen-51	13	58	methods	method	NOUN
fuen-51	13	59	[	[	X
fuen-51	13	60	1	1	NUM
fuen-51	13	61	]	]	PUNCT
fuen-51	13	62	.	.	PUNCT
fuen-51	14	1	thresholding	thresholde	VERB
fuen-51	14	2	-	-	PUNCT
fuen-51	14	3	based	base	VERB
fuen-51	14	4	approaches	approach	NOUN
fuen-51	14	5	are	be	AUX
fuen-51	14	6	the	the	DET
fuen-51	14	7	most	most	ADV
fuen-51	14	8	often	often	ADV
fuen-51	14	9	used	use	VERB
fuen-51	14	10	segmentation	segmentation	NOUN
fuen-51	14	11	techniques	technique	NOUN
fuen-51	14	12	among	among	ADP
fuen-51	14	13	them	they	PRON
fuen-51	14	14	because	because	SCONJ
fuen-51	14	15	they	they	PRON
fuen-51	14	16	are	be	AUX
fuen-51	14	17	straightforward	straightforward	ADJ
fuen-51	14	18	,	,	PUNCT
fuen-51	14	19	simple	simple	ADJ
fuen-51	14	20	to	to	ADP
fuen-51	14	21	grasp	grasp	NOUN
fuen-51	14	22	,	,	PUNCT
fuen-51	14	23	and	and	CCONJ
fuen-51	14	24	easy	easy	ADJ
fuen-51	14	25	to	to	PART
fuen-51	14	26	use	use	VERB
fuen-51	14	27	[	[	X
fuen-51	14	28	1	1	NUM
fuen-51	14	29	,	,	PUNCT
fuen-51	14	30	2	2	NUM
fuen-51	14	31	]	]	PUNCT
fuen-51	14	32	.	.	PUNCT
fuen-51	15	1	combustion	combustion	NOUN
fuen-51	15	2	device	device	NOUN
fuen-51	15	3	design	design	NOUN
fuen-51	15	4	must	must	AUX
fuen-51	15	5	take	take	VERB
fuen-51	15	6	into	into	ADP
fuen-51	15	7	account	account	NOUN
fuen-51	15	8	aspects	aspect	NOUN
fuen-51	15	9	such	such	ADJ
fuen-51	15	10	as	as	ADP
fuen-51	15	11	flame	flame	NOUN
fuen-51	15	12	form	form	NOUN
fuen-51	15	13	and	and	CCONJ
fuen-51	15	14	size	size	NOUN
fuen-51	15	15	[	[	X
fuen-51	15	16	3	3	NUM
fuen-51	15	17	]	]	PUNCT
fuen-51	15	18	.	.	PUNCT
fuen-51	16	1	threshold	threshold	PROPN
fuen-51	16	2	segmentation	segmentation	NOUN
fuen-51	16	3	of	of	ADP
fuen-51	16	4	pictures	picture	NOUN
fuen-51	16	5	from	from	ADP
fuen-51	16	6	photography	photography	NOUN
fuen-51	16	7	and	and	CCONJ
fuen-51	16	8	high	high	ADJ
fuen-51	16	9	-	-	PUNCT
fuen-51	16	10	speed	speed	NOUN
fuen-51	16	11	video	video	NOUN
fuen-51	16	12	recordings	recording	NOUN
fuen-51	16	13	is	be	AUX
fuen-51	16	14	a	a	DET
fuen-51	16	15	cheap	cheap	ADJ
fuen-51	16	16	and	and	CCONJ
fuen-51	16	17	efficient	efficient	ADJ
fuen-51	16	18	way	way	NOUN
fuen-51	16	19	to	to	PART
fuen-51	16	20	obtain	obtain	VERB
fuen-51	16	21	flame	flame	ADJ
fuen-51	16	22	characteristics	characteristic	NOUN
fuen-51	16	23	.	.	PUNCT
fuen-51	17	1	several	several	ADJ
fuen-51	17	2	relevant	relevant	ADJ
fuen-51	17	3	studies	study	NOUN
fuen-51	17	4	to	to	PART
fuen-51	17	5	obtain	obtain	VERB
fuen-51	17	6	flame	flame	ADJ
fuen-51	17	7	characteristics	characteristic	NOUN
fuen-51	17	8	from	from	ADP
fuen-51	17	9	image	image	NOUN
fuen-51	17	10	processing	processing	NOUN
fuen-51	17	11	can	can	AUX
fuen-51	17	12	be	be	AUX
fuen-51	17	13	found	find	VERB
fuen-51	17	14	in	in	ADP
fuen-51	17	15	[	[	PUNCT
fuen-51	17	16	4	4	NUM
fuen-51	17	17	-	-	SYM
fuen-51	17	18	12	12	NUM
fuen-51	17	19	]	]	PUNCT
fuen-51	17	20	,	,	PUNCT
fuen-51	17	21	which	which	PRON
fuen-51	17	22	are	be	AUX
fuen-51	17	23	generally	generally	ADV
fuen-51	17	24	based	base	VERB
fuen-51	17	25	on	on	ADP
fuen-51	17	26	the	the	DET
fuen-51	17	27	intermittency	intermittency	NOUN
fuen-51	17	28	distribution	distribution	NOUN
fuen-51	17	29	approach	approach	NOUN
fuen-51	17	30	.	.	PUNCT
fuen-51	18	1	the	the	DET
fuen-51	18	2	flame	flame	NOUN
fuen-51	18	3	height	height	NOUN
fuen-51	18	4	and	and	CCONJ
fuen-51	18	5	lift	lift	NOUN
fuen-51	18	6	-	-	PUNCT
fuen-51	18	7	off	off	NOUN
fuen-51	18	8	of	of	ADP
fuen-51	18	9	propane	propane	NOUN
fuen-51	18	10	turbulent	turbulent	ADJ
fuen-51	18	11	jet	jet	NOUN
fuen-51	18	12	diffusion	diffusion	NOUN
fuen-51	18	13	flames	flame	NOUN
fuen-51	18	14	attenuated	attenuate	VERB
fuen-51	18	15	by	by	ADP
fuen-51	18	16	carbon	carbon	NOUN
fuen-51	18	17	dioxide	dioxide	NOUN
fuen-51	18	18	at	at	ADP
fuen-51	18	19	ambient	ambient	ADJ
fuen-51	18	20	temperature	temperature	NOUN
fuen-51	18	21	and	and	CCONJ
fuen-51	18	22	pressure	pressure	NOUN
fuen-51	18	23	were	be	AUX
fuen-51	18	24	studied	study	VERB
fuen-51	18	25	by	by	ADP
fuen-51	18	26	tao	tao	PROPN
fuen-51	18	27	et	et	PROPN
fuen-51	18	28	al	al	PROPN
fuen-51	18	29	.	.	PUNCT
fuen-51	19	1	[	[	X
fuen-51	19	2	9	9	NUM
fuen-51	19	3	]	]	PUNCT
fuen-51	19	4	.	.	PUNCT
fuen-51	20	1	they	they	PRON
fuen-51	20	2	discovered	discover	VERB
fuen-51	20	3	that	that	SCONJ
fuen-51	20	4	when	when	SCONJ
fuen-51	20	5	𝐶𝑂2	𝐶𝑂2	PROPN
fuen-51	20	6	concentration	concentration	NOUN
fuen-51	20	7	increases	increase	NOUN
fuen-51	20	8	,	,	PUNCT
fuen-51	20	9	and	and	CCONJ
fuen-51	20	10	the	the	DET
fuen-51	20	11	flame	flame	NOUN
fuen-51	20	12	height	height	NOUN
fuen-51	20	13	drops	drop	NOUN
fuen-51	20	14	.	.	PUNCT
fuen-51	21	1	additionally	additionally	ADV
fuen-51	21	2	,	,	PUNCT
fuen-51	21	3	it	it	PRON
fuen-51	21	4	was	be	AUX
fuen-51	21	5	shown	show	VERB
fuen-51	21	6	that	that	SCONJ
fuen-51	21	7	when	when	SCONJ
fuen-51	21	8	𝐶𝑂2	𝐶𝑂2	PROPN
fuen-51	21	9	concentration	concentration	NOUN
fuen-51	21	10	rises	rise	NOUN
fuen-51	21	11	,	,	PUNCT
fuen-51	21	12	the	the	DET
fuen-51	21	13	flame	flame	NOUN
fuen-51	21	14	lift	lift	NOUN
fuen-51	21	15	-	-	PUNCT
fuen-51	21	16	off	off	ADP
fuen-51	21	17	height	height	NOUN
fuen-51	21	18	also	also	ADV
fuen-51	21	19	rises	rise	VERB
fuen-51	21	20	.	.	PUNCT
fuen-51	22	1	future	future	ADJ
fuen-51	22	2	energy	energy	NOUN
fuen-51	22	3	open	open	PROPN
fuen-51	22	4	access	access	PROPN
fuen-51	22	5	journal	journal	PROPN
fuen-51	22	6	https://doi.org/10.55670/fpll.fuen.2.1.5	https://doi.org/10.55670/fpll.fuen.2.1.5	PROPN
fuen-51	22	7	february	february	PROPN
fuen-51	22	8	2023|	2023|	NUM
fuen-51	22	9	volume	volume	NOUN
fuen-51	22	10	02	02	NUM
fuen-51	22	11	|	|	NOUN
fuen-51	22	12	issue	issue	NOUN
fuen-51	22	13	01	01	NUM
fuen-51	23	1	|	|	NOUN
fuen-51	23	2	pages	page	VERB
fuen-51	23	3	27	27	NUM
fuen-51	23	4	-	-	SYM
fuen-51	23	5	37	37	NUM
fuen-51	23	6	journal	journal	NOUN
fuen-51	23	7	homepage	homepage	NOUN
fuen-51	23	8	:	:	PUNCT
fuen-51	23	9	https://fupubco.com/fuen	https://fupubco.com/fuen	PROPN
fuen-51	23	10	issn	issn	PROPN
fuen-51	23	11	2832	2832	NUM
fuen-51	23	12	-	-	SYM
fuen-51	23	13	0328	0328	NUM
fuen-51	23	14	mailto:soroush.sheykh@aut.ac.ir	mailto:soroush.sheykh@aut.ac.ir	PROPN
fuen-51	23	15	https://doi.org/10.55670/fpll.fuen.2.1.5	https://doi.org/10.55670/fpll.fuen.2.1.5	VERB
fuen-51	23	16	https://fupubco.com/fuen	https://fupubco.com/fuen	PROPN
fuen-51	23	17	s.	s.	PROPN
fuen-51	23	18	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	23	19	/	/	SYM
fuen-51	23	20	future	future	ADJ
fuen-51	23	21	energy	energy	NOUN
fuen-51	23	22	february	february	PROPN
fuen-51	23	23	2023|	2023|	NUM
fuen-51	23	24	volume	volume	NOUN
fuen-51	23	25	02	02	NUM
fuen-51	23	26	|	|	NOUN
fuen-51	23	27	issue	issue	NOUN
fuen-51	23	28	01	01	NUM
fuen-51	23	29	|	|	NOUN
fuen-51	23	30	pages	page	VERB
fuen-51	23	31	27	27	NUM
fuen-51	23	32	-	-	SYM
fuen-51	23	33	37	37	NUM
fuen-51	23	34	28	28	NUM
fuen-51	23	35	the	the	DET
fuen-51	23	36	flame	flame	NOUN
fuen-51	23	37	length	length	NOUN
fuen-51	23	38	of	of	ADP
fuen-51	23	39	buoyant	buoyant	ADJ
fuen-51	23	40	turbulent	turbulent	ADJ
fuen-51	23	41	slot	slot	NOUN
fuen-51	23	42	flames	flame	NOUN
fuen-51	23	43	was	be	AUX
fuen-51	23	44	examined	examine	VERB
fuen-51	23	45	by	by	ADP
fuen-51	23	46	gao	gao	PROPN
fuen-51	23	47	et	et	PROPN
fuen-51	23	48	al	al	PROPN
fuen-51	23	49	.	.	PUNCT
fuen-51	24	1	[	[	X
fuen-51	24	2	13	13	NUM
fuen-51	24	3	]	]	PUNCT
fuen-51	24	4	.	.	PUNCT
fuen-51	25	1	they	they	PRON
fuen-51	25	2	created	create	VERB
fuen-51	25	3	a	a	DET
fuen-51	25	4	rough	rough	ADJ
fuen-51	25	5	prediction	prediction	NOUN
fuen-51	25	6	correlation	correlation	NOUN
fuen-51	25	7	for	for	ADP
fuen-51	25	8	the	the	DET
fuen-51	25	9	length	length	NOUN
fuen-51	25	10	of	of	ADP
fuen-51	25	11	the	the	DET
fuen-51	25	12	flame	flame	NOUN
fuen-51	25	13	.	.	PUNCT
fuen-51	26	1	they	they	PRON
fuen-51	26	2	found	find	VERB
fuen-51	26	3	that	that	SCONJ
fuen-51	26	4	the	the	DET
fuen-51	26	5	flame	flame	NOUN
fuen-51	26	6	length	length	NOUN
fuen-51	26	7	for	for	ADP
fuen-51	26	8	the	the	DET
fuen-51	26	9	buoyancy	buoyancy	NOUN
fuen-51	26	10	-	-	PUNCT
fuen-51	26	11	dominated	dominate	VERB
fuen-51	26	12	and	and	CCONJ
fuen-51	26	13	momentumdominated	momentumdominate	VERB
fuen-51	26	14	flames	flame	NOUN
fuen-51	26	15	is	be	AUX
fuen-51	26	16	proportional	proportional	ADJ
fuen-51	26	17	to	to	ADP
fuen-51	26	18	(	(	PUNCT
fuen-51	26	19	𝐹𝑟𝑚)1/3	𝐹𝑟𝑚)1/3	NOUN
fuen-51	26	20	and	and	CCONJ
fuen-51	26	21	(	(	PUNCT
fuen-51	26	22	𝐹𝑟𝑚)0(modified	𝐹𝑟𝑚)0(modified	ADJ
fuen-51	26	23	froude	froude	NOUN
fuen-51	26	24	number	number	NOUN
fuen-51	26	25	that	that	PRON
fuen-51	26	26	shows	show	VERB
fuen-51	26	27	the	the	DET
fuen-51	26	28	relationship	relationship	NOUN
fuen-51	26	29	between	between	ADP
fuen-51	26	30	initial	initial	ADJ
fuen-51	26	31	speed	speed	NOUN
fuen-51	26	32	and	and	CCONJ
fuen-51	26	33	buoyancy	buoyancy	NOUN
fuen-51	26	34	)	)	PUNCT
fuen-51	26	35	,	,	PUNCT
fuen-51	26	36	respectively	respectively	ADV
fuen-51	26	37	.	.	PUNCT
fuen-51	27	1	zhou	zhou	PROPN
fuen-51	27	2	et	et	PROPN
fuen-51	27	3	al	al	PROPN
fuen-51	27	4	.	.	PUNCT
fuen-51	28	1	[	[	X
fuen-51	28	2	10	10	NUM
fuen-51	28	3	]	]	PUNCT
fuen-51	28	4	analyzed	analyze	VERB
fuen-51	28	5	the	the	DET
fuen-51	28	6	flame	flame	NOUN
fuen-51	28	7	height	height	NOUN
fuen-51	28	8	and	and	CCONJ
fuen-51	28	9	lift	lift	NOUN
fuen-51	28	10	-	-	PUNCT
fuen-51	28	11	off	off	ADP
fuen-51	28	12	height	height	NOUN
fuen-51	28	13	of	of	ADP
fuen-51	28	14	rectangular	rectangular	ADJ
fuen-51	28	15	fuel	fuel	NOUN
fuen-51	28	16	jet	jet	NOUN
fuen-51	28	17	source	source	NOUN
fuen-51	28	18	fires	fire	NOUN
fuen-51	28	19	.	.	PUNCT
fuen-51	29	1	the	the	DET
fuen-51	29	2	flame	flame	PROPN
fuen-51	29	3	buoyancymomentum	buoyancymomentum	NOUN
fuen-51	29	4	froude	froude	NOUN
fuen-51	29	5	number	number	NOUN
fuen-51	29	6	varied	vary	VERB
fuen-51	29	7	between	between	ADP
fuen-51	29	8	0.38	0.38	NUM
fuen-51	29	9	and	and	CCONJ
fuen-51	29	10	3.06	3.06	NUM
fuen-51	29	11	.	.	PUNCT
fuen-51	30	1	it	it	PRON
fuen-51	30	2	was	be	AUX
fuen-51	30	3	noticed	notice	VERB
fuen-51	30	4	that	that	SCONJ
fuen-51	30	5	as	as	SCONJ
fuen-51	30	6	the	the	DET
fuen-51	30	7	aspect	aspect	NOUN
fuen-51	30	8	ratio	ratio	NOUN
fuen-51	30	9	rises	rise	VERB
fuen-51	30	10	at	at	ADP
fuen-51	30	11	a	a	DET
fuen-51	30	12	certain	certain	ADJ
fuen-51	30	13	heat	heat	NOUN
fuen-51	30	14	release	release	NOUN
fuen-51	30	15	rate	rate	NOUN
fuen-51	30	16	,	,	PUNCT
fuen-51	30	17	the	the	DET
fuen-51	30	18	flame	flame	NOUN
fuen-51	30	19	height	height	NOUN
fuen-51	30	20	decreases	decrease	NOUN
fuen-51	30	21	.	.	PUNCT
fuen-51	31	1	zhang	zhang	PROPN
fuen-51	31	2	et	et	PROPN
fuen-51	31	3	al	al	PROPN
fuen-51	31	4	.	.	PUNCT
fuen-51	32	1	[	[	X
fuen-51	32	2	5	5	NUM
fuen-51	32	3	]	]	PUNCT
fuen-51	32	4	examined	examine	VERB
fuen-51	32	5	the	the	DET
fuen-51	32	6	features	feature	NOUN
fuen-51	32	7	of	of	ADP
fuen-51	32	8	curving	curve	VERB
fuen-51	32	9	flames	flame	NOUN
fuen-51	32	10	in	in	ADP
fuen-51	32	11	a	a	DET
fuen-51	32	12	tunnel	tunnel	NOUN
fuen-51	32	13	model	model	NOUN
fuen-51	32	14	of	of	ADP
fuen-51	32	15	a	a	DET
fuen-51	32	16	smaller	small	ADJ
fuen-51	32	17	size	size	NOUN
fuen-51	32	18	.	.	PUNCT
fuen-51	33	1	they	they	PRON
fuen-51	33	2	discovered	discover	VERB
fuen-51	33	3	that	that	SCONJ
fuen-51	33	4	the	the	DET
fuen-51	33	5	recorded	record	VERB
fuen-51	33	6	flame	flame	NOUN
fuen-51	33	7	length	length	NOUN
fuen-51	33	8	under	under	ADP
fuen-51	33	9	these	these	DET
fuen-51	33	10	conditions	condition	NOUN
fuen-51	33	11	is	be	AUX
fuen-51	33	12	almost	almost	ADV
fuen-51	33	13	comparable	comparable	ADJ
fuen-51	33	14	to	to	ADP
fuen-51	33	15	that	that	PRON
fuen-51	33	16	of	of	ADP
fuen-51	33	17	flames	flame	NOUN
fuen-51	33	18	in	in	ADP
fuen-51	33	19	open	open	ADJ
fuen-51	33	20	space	space	NOUN
fuen-51	33	21	.	.	PUNCT
fuen-51	34	1	in	in	ADP
fuen-51	34	2	addition	addition	NOUN
fuen-51	34	3	,	,	PUNCT
fuen-51	34	4	they	they	PRON
fuen-51	34	5	offered	offer	VERB
fuen-51	34	6	an	an	DET
fuen-51	34	7	empirical	empirical	ADJ
fuen-51	34	8	model	model	NOUN
fuen-51	34	9	for	for	ADP
fuen-51	34	10	predicting	predict	VERB
fuen-51	34	11	the	the	DET
fuen-51	34	12	flame	flame	NOUN
fuen-51	34	13	's	's	PART
fuen-51	34	14	tilt	tilt	NOUN
fuen-51	34	15	angle	angle	NOUN
fuen-51	34	16	.	.	PUNCT
fuen-51	35	1	ligang	ligang	PROPN
fuen-51	35	2	et	et	PROPN
fuen-51	35	3	al	al	PROPN
fuen-51	35	4	.	.	PUNCT
fuen-51	36	1	[	[	X
fuen-51	36	2	14	14	NUM
fuen-51	36	3	]	]	PUNCT
fuen-51	36	4	measured	measure	VERB
fuen-51	36	5	the	the	DET
fuen-51	36	6	height	height	NOUN
fuen-51	36	7	of	of	ADP
fuen-51	36	8	the	the	DET
fuen-51	36	9	coal	coal	NOUN
fuen-51	36	10	jet	jet	NOUN
fuen-51	36	11	flame	flame	NOUN
fuen-51	36	12	using	use	VERB
fuen-51	36	13	image	image	NOUN
fuen-51	36	14	processing	processing	NOUN
fuen-51	36	15	.	.	PUNCT
fuen-51	37	1	image	image	NOUN
fuen-51	37	2	processing	processing	NOUN
fuen-51	37	3	included	include	VERB
fuen-51	37	4	the	the	DET
fuen-51	37	5	roi	roi	NOUN
fuen-51	37	6	(	(	PUNCT
fuen-51	37	7	region	region	NOUN
fuen-51	37	8	of	of	ADP
fuen-51	37	9	interest	interest	NOUN
fuen-51	37	10	)	)	PUNCT
fuen-51	37	11	,	,	PUNCT
fuen-51	37	12	filtering	filtering	NOUN
fuen-51	37	13	,	,	PUNCT
fuen-51	37	14	grayscale	grayscale	NOUN
fuen-51	37	15	,	,	PUNCT
fuen-51	37	16	binarizing	binarizing	NOUN
fuen-51	37	17	,	,	PUNCT
fuen-51	37	18	and	and	CCONJ
fuen-51	37	19	edge	edge	NOUN
fuen-51	37	20	detection	detection	NOUN
fuen-51	37	21	processes	process	NOUN
fuen-51	37	22	.	.	PUNCT
fuen-51	38	1	the	the	DET
fuen-51	38	2	height	height	NOUN
fuen-51	38	3	of	of	ADP
fuen-51	38	4	the	the	DET
fuen-51	38	5	flame	flame	NOUN
fuen-51	38	6	was	be	AUX
fuen-51	38	7	seen	see	VERB
fuen-51	38	8	to	to	PART
fuen-51	38	9	decrease	decrease	VERB
fuen-51	38	10	when	when	SCONJ
fuen-51	38	11	the	the	DET
fuen-51	38	12	oxidizer	oxidizer	NOUN
fuen-51	38	13	temperature	temperature	NOUN
fuen-51	38	14	and	and	CCONJ
fuen-51	38	15	main	main	ADJ
fuen-51	38	16	air	air	NOUN
fuen-51	38	17	velocity	velocity	NOUN
fuen-51	38	18	increased	increase	VERB
fuen-51	38	19	.	.	PUNCT
fuen-51	39	1	since	since	SCONJ
fuen-51	39	2	swirl	swirl	NOUN
fuen-51	39	3	plays	play	VERB
fuen-51	39	4	a	a	DET
fuen-51	39	5	significant	significant	ADJ
fuen-51	39	6	role	role	NOUN
fuen-51	39	7	in	in	ADP
fuen-51	39	8	flame	flame	NOUN
fuen-51	39	9	stability	stability	NOUN
fuen-51	39	10	,	,	PUNCT
fuen-51	39	11	swirling	swirling	ADJ
fuen-51	39	12	flames	flame	NOUN
fuen-51	39	13	are	be	AUX
fuen-51	39	14	often	often	ADV
fuen-51	39	15	used	use	VERB
fuen-51	39	16	in	in	ADP
fuen-51	39	17	practical	practical	ADJ
fuen-51	39	18	combustion	combustion	NOUN
fuen-51	39	19	systems	system	NOUN
fuen-51	39	20	such	such	ADJ
fuen-51	39	21	as	as	ADP
fuen-51	39	22	gas	gas	NOUN
fuen-51	39	23	turbine	turbine	NOUN
fuen-51	39	24	engines	engine	NOUN
fuen-51	39	25	and	and	CCONJ
fuen-51	39	26	industrial	industrial	ADJ
fuen-51	39	27	burners	burner	NOUN
fuen-51	39	28	[	[	X
fuen-51	39	29	15	15	NUM
fuen-51	39	30	,	,	PUNCT
fuen-51	39	31	16	16	NUM
fuen-51	39	32	]	]	PUNCT
fuen-51	39	33	.	.	PUNCT
fuen-51	40	1	it	it	PRON
fuen-51	40	2	is	be	AUX
fuen-51	40	3	commonly	commonly	ADV
fuen-51	40	4	acknowledged	acknowledge	VERB
fuen-51	40	5	that	that	SCONJ
fuen-51	40	6	swirl	swirl	NOUN
fuen-51	40	7	increases	increase	VERB
fuen-51	40	8	the	the	DET
fuen-51	40	9	local	local	ADJ
fuen-51	40	10	velocity	velocity	NOUN
fuen-51	40	11	fluctuations	fluctuation	NOUN
fuen-51	40	12	,	,	PUNCT
fuen-51	40	13	hence	hence	ADV
fuen-51	40	14	increasing	increase	VERB
fuen-51	40	15	the	the	DET
fuen-51	40	16	turbulent	turbulent	ADJ
fuen-51	40	17	burning	burning	NOUN
fuen-51	40	18	velocity	velocity	NOUN
fuen-51	40	19	.	.	PUNCT
fuen-51	41	1	moreover	moreover	ADV
fuen-51	41	2	,	,	PUNCT
fuen-51	41	3	the	the	DET
fuen-51	41	4	swirl	swirl	NOUN
fuen-51	41	5	-	-	PUNCT
fuen-51	41	6	induced	induce	VERB
fuen-51	41	7	recirculation	recirculation	NOUN
fuen-51	41	8	zone	zone	NOUN
fuen-51	41	9	may	may	AUX
fuen-51	41	10	function	function	VERB
fuen-51	41	11	as	as	ADP
fuen-51	41	12	a	a	DET
fuen-51	41	13	heat	heat	NOUN
fuen-51	41	14	source	source	NOUN
fuen-51	41	15	,	,	PUNCT
fuen-51	41	16	causing	cause	VERB
fuen-51	41	17	heated	heated	ADJ
fuen-51	41	18	products	product	NOUN
fuen-51	41	19	to	to	PART
fuen-51	41	20	interact	interact	VERB
fuen-51	41	21	with	with	ADP
fuen-51	41	22	fresh	fresh	ADJ
fuen-51	41	23	reactants	reactant	NOUN
fuen-51	41	24	upstream	upstream	NOUN
fuen-51	41	25	[	[	X
fuen-51	41	26	17	17	NUM
fuen-51	41	27	]	]	PUNCT
fuen-51	41	28	.	.	PUNCT
fuen-51	42	1	because	because	SCONJ
fuen-51	42	2	of	of	ADP
fuen-51	42	3	high	high	ADJ
fuen-51	42	4	energy	energy	NOUN
fuen-51	42	5	density	density	NOUN
fuen-51	42	6	of	of	ADP
fuen-51	42	7	hydrocarbon	hydrocarbon	NOUN
fuen-51	42	8	fuels	fuel	NOUN
fuen-51	42	9	,	,	PUNCT
fuen-51	42	10	combustion	combustion	NOUN
fuen-51	42	11	-	-	PUNCT
fuen-51	42	12	based	base	VERB
fuen-51	42	13	micro	micro	NOUN
fuen-51	42	14	-	-	NOUN
fuen-51	42	15	power	power	ADJ
fuen-51	42	16	devices	device	NOUN
fuen-51	42	17	are	be	AUX
fuen-51	42	18	a	a	DET
fuen-51	42	19	more	more	ADV
fuen-51	42	20	attractive	attractive	ADJ
fuen-51	42	21	option	option	NOUN
fuen-51	42	22	for	for	ADP
fuen-51	42	23	portable	portable	ADJ
fuen-51	42	24	power	power	NOUN
fuen-51	42	25	generation	generation	NOUN
fuen-51	42	26	than	than	ADP
fuen-51	42	27	rechargeable	rechargeable	ADJ
fuen-51	42	28	batteries	battery	NOUN
fuen-51	42	29	[	[	X
fuen-51	42	30	18	18	NUM
fuen-51	42	31	-	-	SYM
fuen-51	42	32	22	22	NUM
fuen-51	42	33	]	]	PUNCT
fuen-51	42	34	.	.	PUNCT
fuen-51	43	1	in	in	ADP
fuen-51	43	2	these	these	DET
fuen-51	43	3	systems	system	NOUN
fuen-51	43	4	,	,	PUNCT
fuen-51	43	5	swirling	swirl	VERB
fuen-51	43	6	flows	flow	NOUN
fuen-51	43	7	are	be	AUX
fuen-51	43	8	one	one	NUM
fuen-51	43	9	method	method	NOUN
fuen-51	43	10	for	for	ADP
fuen-51	43	11	flame	flame	ADJ
fuen-51	43	12	stabilization	stabilization	NOUN
fuen-51	43	13	[	[	X
fuen-51	43	14	2330	2330	NUM
fuen-51	43	15	]	]	PUNCT
fuen-51	43	16	.	.	PUNCT
fuen-51	44	1	to	to	ADP
fuen-51	44	2	the	the	DET
fuen-51	44	3	best	good	ADJ
fuen-51	44	4	of	of	ADP
fuen-51	44	5	authors	author	NOUN
fuen-51	44	6	’	'	PUNCT
fuen-51	44	7	knowledge	knowledge	NOUN
fuen-51	44	8	,	,	PUNCT
fuen-51	44	9	there	there	PRON
fuen-51	44	10	has	have	AUX
fuen-51	44	11	never	never	ADV
fuen-51	44	12	been	be	AUX
fuen-51	44	13	research	research	NOUN
fuen-51	44	14	on	on	ADP
fuen-51	44	15	the	the	DET
fuen-51	44	16	effects	effect	NOUN
fuen-51	44	17	of	of	ADP
fuen-51	44	18	swirl	swirl	ADJ
fuen-51	44	19	number	number	NOUN
fuen-51	44	20	on	on	ADP
fuen-51	44	21	turbulent	turbulent	ADJ
fuen-51	44	22	flame	flame	NOUN
fuen-51	44	23	dynamics	dynamic	NOUN
fuen-51	44	24	and	and	CCONJ
fuen-51	44	25	characteristics	characteristic	NOUN
fuen-51	44	26	by	by	ADP
fuen-51	44	27	taking	take	VERB
fuen-51	44	28	advantage	advantage	NOUN
fuen-51	44	29	of	of	ADP
fuen-51	44	30	threshold	threshold	NOUN
fuen-51	44	31	-	-	PUNCT
fuen-51	44	32	based	base	VERB
fuen-51	44	33	image	image	NOUN
fuen-51	44	34	segmentation	segmentation	NOUN
fuen-51	44	35	method	method	NOUN
fuen-51	44	36	.	.	PUNCT
fuen-51	45	1	using	use	VERB
fuen-51	45	2	the	the	DET
fuen-51	45	3	otsu	otsu	NOUN
fuen-51	45	4	threshold	threshold	NOUN
fuen-51	45	5	approach	approach	NOUN
fuen-51	45	6	,	,	PUNCT
fuen-51	45	7	this	this	DET
fuen-51	45	8	study	study	NOUN
fuen-51	45	9	compares	compare	VERB
fuen-51	45	10	the	the	DET
fuen-51	45	11	properties	property	NOUN
fuen-51	45	12	of	of	ADP
fuen-51	45	13	turbulent	turbulent	ADJ
fuen-51	45	14	swirling	swirling	ADJ
fuen-51	45	15	flames	flame	NOUN
fuen-51	45	16	,	,	PUNCT
fuen-51	45	17	including	include	VERB
fuen-51	45	18	flame	flame	NOUN
fuen-51	45	19	length	length	NOUN
fuen-51	45	20	,	,	PUNCT
fuen-51	45	21	lift	lift	NOUN
fuen-51	45	22	-	-	PUNCT
fuen-51	45	23	off	off	ADP
fuen-51	45	24	height	height	NOUN
fuen-51	45	25	,	,	PUNCT
fuen-51	45	26	angle	angle	NOUN
fuen-51	45	27	,	,	PUNCT
fuen-51	45	28	maximum	maximum	ADJ
fuen-51	45	29	width	width	NOUN
fuen-51	45	30	,	,	PUNCT
fuen-51	45	31	and	and	CCONJ
fuen-51	45	32	pulsating	pulsate	VERB
fuen-51	45	33	displacements	displacement	NOUN
fuen-51	45	34	(	(	PUNCT
fuen-51	45	35	in	in	ADP
fuen-51	45	36	terms	term	NOUN
fuen-51	45	37	of	of	ADP
fuen-51	45	38	flame	flame	NOUN
fuen-51	45	39	center	center	NOUN
fuen-51	45	40	of	of	ADP
fuen-51	45	41	gravity	gravity	NOUN
fuen-51	45	42	,	,	PUNCT
fuen-51	45	43	length	length	NOUN
fuen-51	45	44	,	,	PUNCT
fuen-51	45	45	and	and	CCONJ
fuen-51	45	46	width	width	ADJ
fuen-51	45	47	)	)	PUNCT
fuen-51	45	48	,	,	PUNCT
fuen-51	45	49	for	for	ADP
fuen-51	45	50	three	three	NUM
fuen-51	45	51	swirl	swirl	ADJ
fuen-51	45	52	numbers	number	NOUN
fuen-51	45	53	.	.	PUNCT
fuen-51	46	1	2	2	X
fuen-51	46	2	.	.	X
fuen-51	46	3	experimental	experimental	ADJ
fuen-51	46	4	setup	setup	NOUN
fuen-51	46	5	figure	figure	NOUN
fuen-51	46	6	1(a	1(a	NUM
fuen-51	46	7	)	)	PUNCT
fuen-51	46	8	depicts	depict	VERB
fuen-51	46	9	the	the	DET
fuen-51	46	10	experimental	experimental	ADJ
fuen-51	46	11	setup	setup	NOUN
fuen-51	46	12	and	and	CCONJ
fuen-51	46	13	flow	flow	NOUN
fuen-51	46	14	delivery	delivery	NOUN
fuen-51	46	15	system	system	NOUN
fuen-51	46	16	layout	layout	NOUN
fuen-51	46	17	.	.	PUNCT
fuen-51	47	1	air	air	NOUN
fuen-51	47	2	and	and	CCONJ
fuen-51	47	3	fuel	fuel	NOUN
fuen-51	47	4	are	be	AUX
fuen-51	47	5	supplied	supply	VERB
fuen-51	47	6	by	by	ADP
fuen-51	47	7	an	an	DET
fuen-51	47	8	air	air	NOUN
fuen-51	47	9	compressor	compressor	NOUN
fuen-51	47	10	and	and	CCONJ
fuen-51	47	11	a	a	DET
fuen-51	47	12	high	high	ADJ
fuen-51	47	13	-	-	PUNCT
fuen-51	47	14	pressure	pressure	NOUN
fuen-51	47	15	cylinder	cylinder	NOUN
fuen-51	47	16	,	,	PUNCT
fuen-51	47	17	respectively	respectively	ADV
fuen-51	47	18	,	,	PUNCT
fuen-51	47	19	and	and	CCONJ
fuen-51	47	20	their	their	PRON
fuen-51	47	21	pressures	pressure	NOUN
fuen-51	47	22	are	be	AUX
fuen-51	47	23	then	then	ADV
fuen-51	47	24	regulated	regulate	VERB
fuen-51	47	25	using	use	VERB
fuen-51	47	26	pressure	pressure	NOUN
fuen-51	47	27	reduction	reduction	NOUN
fuen-51	47	28	valves	valve	NOUN
fuen-51	47	29	.	.	PUNCT
fuen-51	48	1	methane	methane	NOUN
fuen-51	48	2	was	be	AUX
fuen-51	48	3	used	use	VERB
fuen-51	48	4	as	as	ADP
fuen-51	48	5	fuel	fuel	NOUN
fuen-51	48	6	,	,	PUNCT
fuen-51	48	7	and	and	CCONJ
fuen-51	48	8	azbil	azbil	ADJ
fuen-51	48	9	mpc0020	mpc0020	NOUN
fuen-51	48	10	and	and	CCONJ
fuen-51	48	11	kobold	kobold	ADJ
fuen-51	48	12	dms-5	dms-5	PUNCT
fuen-51	48	13	mass	mass	NOUN
fuen-51	48	14	flow	flow	NOUN
fuen-51	48	15	controllers	controller	NOUN
fuen-51	48	16	with	with	ADP
fuen-51	48	17	1	1	NUM
fuen-51	48	18	%	%	NOUN
fuen-51	48	19	full	full	ADJ
fuen-51	48	20	-	-	PUNCT
fuen-51	48	21	scale	scale	NOUN
fuen-51	48	22	accuracy	accuracy	NOUN
fuen-51	48	23	regulate	regulate	VERB
fuen-51	48	24	the	the	DET
fuen-51	48	25	flow	flow	NOUN
fuen-51	48	26	of	of	ADP
fuen-51	48	27	air	air	NOUN
fuen-51	48	28	and	and	CCONJ
fuen-51	48	29	methane	methane	NOUN
fuen-51	48	30	,	,	PUNCT
fuen-51	48	31	respectively	respectively	ADV
fuen-51	48	32	.	.	PUNCT
fuen-51	49	1	images	image	NOUN
fuen-51	49	2	of	of	ADP
fuen-51	49	3	flames	flame	NOUN
fuen-51	49	4	were	be	AUX
fuen-51	49	5	taken	take	VERB
fuen-51	49	6	with	with	ADP
fuen-51	49	7	a	a	DET
fuen-51	49	8	nikon	nikon	PROPN
fuen-51	49	9	v1	v1	NOUN
fuen-51	49	10	camera	camera	NOUN
fuen-51	49	11	in	in	ADP
fuen-51	49	12	its	its	PRON
fuen-51	49	13	high	high	ADJ
fuen-51	49	14	-	-	PUNCT
fuen-51	49	15	speed	speed	NOUN
fuen-51	49	16	mode	mode	NOUN
fuen-51	49	17	(	(	PUNCT
fuen-51	49	18	400	400	NUM
fuen-51	49	19	fps	fps	PROPN
fuen-51	49	20	)	)	PUNCT
fuen-51	49	21	with	with	ADP
fuen-51	49	22	a	a	DET
fuen-51	49	23	resolution	resolution	NOUN
fuen-51	49	24	of	of	ADP
fuen-51	49	25	640	640	NUM
fuen-51	49	26	×	×	NOUN
fuen-51	49	27	240	240	NUM
fuen-51	49	28	,	,	PUNCT
fuen-51	49	29	a	a	DET
fuen-51	49	30	f	f	NOUN
fuen-51	49	31	-	-	PUNCT
fuen-51	49	32	number	number	NOUN
fuen-51	49	33	of	of	ADP
fuen-51	49	34	f/2.8	f/2.8	NOUN
fuen-51	49	35	,	,	PUNCT
fuen-51	49	36	and	and	CCONJ
fuen-51	49	37	a	a	DET
fuen-51	49	38	sensitivity	sensitivity	NOUN
fuen-51	49	39	of	of	ADP
fuen-51	49	40	hi	hi	INTJ
fuen-51	49	41	1	1	NUM
fuen-51	49	42	.	.	PUNCT
fuen-51	50	1	the	the	DET
fuen-51	50	2	miniaturescale	miniaturescale	ADJ
fuen-51	50	3	burner	burner	NOUN
fuen-51	50	4	employed	employ	VERB
fuen-51	50	5	in	in	ADP
fuen-51	50	6	this	this	DET
fuen-51	50	7	study	study	NOUN
fuen-51	50	8	is	be	AUX
fuen-51	50	9	illustrated	illustrate	VERB
fuen-51	50	10	in	in	ADP
fuen-51	50	11	figure	figure	NOUN
fuen-51	50	12	1(b	1(b	NUM
fuen-51	50	13	)	)	PUNCT
fuen-51	50	14	.	.	PUNCT
fuen-51	51	1	the	the	DET
fuen-51	51	2	core	core	NOUN
fuen-51	51	3	component	component	NOUN
fuen-51	51	4	of	of	ADP
fuen-51	51	5	the	the	DET
fuen-51	51	6	burner	burner	NOUN
fuen-51	51	7	is	be	AUX
fuen-51	51	8	its	its	PRON
fuen-51	51	9	axial	axial	ADJ
fuen-51	51	10	flat	flat	ADJ
fuen-51	51	11	vane	vane	NOUN
fuen-51	51	12	swirlers	swirler	NOUN
fuen-51	51	13	which	which	PRON
fuen-51	51	14	are	be	AUX
fuen-51	51	15	made	make	VERB
fuen-51	51	16	of	of	ADP
fuen-51	51	17	polylactic	polylactic	ADJ
fuen-51	51	18	acid	acid	NOUN
fuen-51	51	19	(	(	PUNCT
fuen-51	51	20	pla	pla	NOUN
fuen-51	51	21	)	)	PUNCT
fuen-51	51	22	.	.	PUNCT
fuen-51	52	1	the	the	DET
fuen-51	52	2	construction	construction	NOUN
fuen-51	52	3	of	of	ADP
fuen-51	52	4	these	these	DET
fuen-51	52	5	swirlers	swirler	NOUN
fuen-51	52	6	was	be	AUX
fuen-51	52	7	met	meet	VERB
fuen-51	52	8	using	use	VERB
fuen-51	52	9	additive	additive	ADJ
fuen-51	52	10	manufacturing	manufacturing	NOUN
fuen-51	52	11	techniques	technique	NOUN
fuen-51	52	12	,	,	PUNCT
fuen-51	52	13	and	and	CCONJ
fuen-51	52	14	their	their	PRON
fuen-51	52	15	geometrical	geometrical	ADJ
fuen-51	52	16	characteristics	characteristic	NOUN
fuen-51	52	17	are	be	AUX
fuen-51	52	18	presented	present	VERB
fuen-51	52	19	in	in	ADP
fuen-51	52	20	table	table	NOUN
fuen-51	52	21	1	1	NUM
fuen-51	52	22	.	.	PUNCT
fuen-51	53	1	this	this	DET
fuen-51	53	2	burner	burner	NOUN
fuen-51	53	3	's	's	PART
fuen-51	53	4	fuel	fuel	NOUN
fuen-51	53	5	nozzle	nozzle	NOUN
fuen-51	53	6	consists	consist	VERB
fuen-51	53	7	of	of	ADP
fuen-51	53	8	five	five	NUM
fuen-51	53	9	1	1	NUM
fuen-51	53	10	𝑚𝑚	𝑚𝑚	ADP
fuen-51	53	11	holes	hole	NOUN
fuen-51	53	12	that	that	PRON
fuen-51	53	13	are	be	AUX
fuen-51	53	14	encircled	encircle	VERB
fuen-51	53	15	by	by	ADP
fuen-51	53	16	coaxial	coaxial	ADJ
fuen-51	53	17	air	air	NOUN
fuen-51	53	18	.	.	PUNCT
fuen-51	54	1	3d	3d	NOUN
fuen-51	54	2	-	-	PUNCT
fuen-51	54	3	printed	print	VERB
fuen-51	54	4	flat	flat	ADJ
fuen-51	54	5	vane	vane	NOUN
fuen-51	54	6	axial	axial	ADJ
fuen-51	54	7	swirler	swirler	NOUN
fuen-51	54	8	are	be	AUX
fuen-51	54	9	used	use	VERB
fuen-51	54	10	to	to	PART
fuen-51	54	11	swirl	swirl	VERB
fuen-51	54	12	coaxial	coaxial	ADJ
fuen-51	54	13	air	air	NOUN
fuen-51	54	14	.	.	PUNCT
fuen-51	55	1	beer	beer	NOUN
fuen-51	55	2	and	and	CCONJ
fuen-51	55	3	chigier	chigier	NOUN
fuen-51	55	4	proposed	propose	VERB
fuen-51	55	5	the	the	DET
fuen-51	55	6	following	follow	VERB
fuen-51	55	7	equation	equation	NOUN
fuen-51	55	8	to	to	PART
fuen-51	55	9	get	get	VERB
fuen-51	55	10	the	the	DET
fuen-51	55	11	well	well	ADV
fuen-51	55	12	-	-	PUNCT
fuen-51	55	13	known	know	VERB
fuen-51	55	14	dimensionless	dimensionless	NOUN
fuen-51	55	15	theoretical	theoretical	ADJ
fuen-51	55	16	swirl	swirl	ADJ
fuen-51	55	17	number	number	NOUN
fuen-51	55	18	for	for	ADP
fuen-51	55	19	a	a	DET
fuen-51	55	20	swirler	swirler	NOUN
fuen-51	55	21	with	with	ADP
fuen-51	55	22	a	a	DET
fuen-51	55	23	constant	constant	ADJ
fuen-51	55	24	vane	vane	NOUN
fuen-51	55	25	angle	angle	NOUN
fuen-51	55	26	[	[	X
fuen-51	55	27	23	23	NUM
fuen-51	55	28	]	]	X
fuen-51	55	29	:	:	PUNCT
fuen-51	56	1	𝑆𝑛	𝑆𝑛	ADJ
fuen-51	56	2	=	=	SYM
fuen-51	56	3	2	2	NUM
fuen-51	56	4	3	3	NUM
fuen-51	56	5	1−	1−	NUM
fuen-51	56	6	(	(	PUNCT
fuen-51	56	7	𝐷ℎ	𝐷ℎ	PROPN
fuen-51	56	8	𝐷𝑠𝑤	𝐷𝑠𝑤	PROPN
fuen-51	56	9	)	)	PUNCT
fuen-51	56	10	3	3	NUM
fuen-51	56	11	1−	1−	NUM
fuen-51	56	12	(	(	PUNCT
fuen-51	56	13	𝐷ℎ	𝐷ℎ	PROPN
fuen-51	56	14	𝐷𝑠𝑤	𝐷𝑠𝑤	PROPN
fuen-51	56	15	)	)	PUNCT
fuen-51	56	16	2	2	NUM
fuen-51	56	17	tan	tan	NOUN
fuen-51	56	18	𝜃	𝜃	X
fuen-51	56	19	(	(	PUNCT
fuen-51	56	20	1	1	NUM
fuen-51	56	21	)	)	PUNCT
fuen-51	56	22	where	where	SCONJ
fuen-51	56	23	𝐷ℎ	𝐷ℎ	PROPN
fuen-51	56	24	is	be	AUX
fuen-51	56	25	the	the	DET
fuen-51	56	26	swirler	swirler	PROPN
fuen-51	56	27	hub	hub	PROPN
fuen-51	56	28	diameter	diameter	NOUN
fuen-51	56	29	,	,	PUNCT
fuen-51	56	30	𝐷𝑠𝑤	𝐷𝑠𝑤	PROPN
fuen-51	56	31	is	be	AUX
fuen-51	56	32	the	the	DET
fuen-51	56	33	swirler	swirler	NOUN
fuen-51	56	34	diameter	diameter	NOUN
fuen-51	56	35	,	,	PUNCT
fuen-51	56	36	and	and	CCONJ
fuen-51	56	37	𝜃	𝜃	X
fuen-51	56	38	is	be	AUX
fuen-51	56	39	the	the	DET
fuen-51	56	40	vane	vane	NOUN
fuen-51	56	41	angle	angle	NOUN
fuen-51	56	42	from	from	ADP
fuen-51	56	43	the	the	DET
fuen-51	56	44	centerline	centerline	NOUN
fuen-51	56	45	.	.	PUNCT
fuen-51	57	1	table	table	NOUN
fuen-51	57	2	1	1	NUM
fuen-51	57	3	.	.	PUNCT
fuen-51	58	1	specifications	specification	NOUN
fuen-51	58	2	of	of	ADP
fuen-51	58	3	studied	study	VERB
fuen-51	58	4	swirlers	swirler	NOUN
fuen-51	58	5	swirler	swirler	VERB
fuen-51	58	6	no	no	INTJ
fuen-51	58	7	.	.	PUNCT
fuen-51	59	1	vane	vane	NOUN
fuen-51	59	2	angle	angle	PROPN
fuen-51	59	3	,	,	PUNCT
fuen-51	59	4	𝜃	𝜃	NOUN
fuen-51	59	5	,	,	PUNCT
fuen-51	59	6	(	(	PUNCT
fuen-51	59	7	°	°	PRON
fuen-51	59	8	)	)	PUNCT
fuen-51	59	9	swirl	swirl	ADJ
fuen-51	59	10	number	number	NOUN
fuen-51	59	11	,	,	PUNCT
fuen-51	59	12	𝑆𝑛	𝑆𝑛	PROPN
fuen-51	59	13	,	,	PUNCT
fuen-51	59	14	(	(	PUNCT
fuen-51	59	15	−	−	NOUN
fuen-51	59	16	)	)	PUNCT
fuen-51	59	17	1	1	NUM
fuen-51	59	18	30	30	NUM
fuen-51	59	19	0.5	0.5	NUM
fuen-51	59	20	2	2	NUM
fuen-51	59	21	35	35	NUM
fuen-51	59	22	0.6	0.6	NUM
fuen-51	59	23	3	3	NUM
fuen-51	59	24	40	40	NUM
fuen-51	59	25	0.7	0.7	NUM
fuen-51	59	26	no	no	NOUN
fuen-51	59	27	.	.	PUNCT
fuen-51	59	28	of	of	ADP
fuen-51	59	29	vanes	vane	NOUN
fuen-51	59	30	:	:	PUNCT
fuen-51	59	31	10	10	NUM
fuen-51	59	32	vane	vane	NOUN
fuen-51	59	33	thickness	thickness	NOUN
fuen-51	59	34	:	:	PUNCT
fuen-51	59	35	0.5	0.5	NUM
fuen-51	59	36	𝑚𝑚	𝑚𝑚	ADP
fuen-51	59	37	hub	hub	PROPN
fuen-51	59	38	diameter	diameter	NOUN
fuen-51	59	39	,	,	PUNCT
fuen-51	59	40	𝐷ℎ	𝐷ℎ	PROPN
fuen-51	59	41	:	:	PUNCT
fuen-51	59	42	4.5	4.5	NUM
fuen-51	59	43	𝑚𝑚	𝑚𝑚	ADP
fuen-51	59	44	tip	tip	PROPN
fuen-51	59	45	diameter	diameter	NOUN
fuen-51	59	46	,	,	PUNCT
fuen-51	59	47	𝐷𝑠𝑤	𝐷𝑠𝑤	PROPN
fuen-51	59	48	:	:	PUNCT
fuen-51	59	49	6.5	6.5	NUM
fuen-51	59	50	𝑚𝑚	𝑚𝑚	ADP
fuen-51	59	51	swirl	swirl	ADJ
fuen-51	59	52	direction	direction	NOUN
fuen-51	59	53	:	:	PUNCT
fuen-51	59	54	counter	counter	NOUN
fuen-51	59	55	-	-	NOUN
fuen-51	59	56	clockwise	clockwise	NOUN
fuen-51	59	57	3	3	NUM
fuen-51	59	58	.	.	NOUN
fuen-51	59	59	results	result	NOUN
fuen-51	59	60	and	and	CCONJ
fuen-51	59	61	discussion	discussion	NOUN
fuen-51	59	62	in	in	ADP
fuen-51	59	63	this	this	DET
fuen-51	59	64	section	section	NOUN
fuen-51	59	65	,	,	PUNCT
fuen-51	59	66	the	the	DET
fuen-51	59	67	flame	flame	NOUN
fuen-51	59	68	lean	lean	ADJ
fuen-51	59	69	blowout	blowout	NOUN
fuen-51	59	70	limits	limit	NOUN
fuen-51	59	71	,	,	PUNCT
fuen-51	59	72	flame	flame	NOUN
fuen-51	59	73	characteristics	characteristic	NOUN
fuen-51	59	74	,	,	PUNCT
fuen-51	59	75	including	include	VERB
fuen-51	59	76	flame	flame	NOUN
fuen-51	59	77	length	length	NOUN
fuen-51	59	78	,	,	PUNCT
fuen-51	59	79	lift	lift	NOUN
fuen-51	59	80	-	-	PUNCT
fuen-51	59	81	off	off	ADP
fuen-51	59	82	height	height	NOUN
fuen-51	59	83	,	,	PUNCT
fuen-51	59	84	maximum	maximum	ADJ
fuen-51	59	85	width	width	NOUN
fuen-51	59	86	,	,	PUNCT
fuen-51	59	87	flame	flame	NOUN
fuen-51	59	88	angle	angle	NOUN
fuen-51	59	89	,	,	PUNCT
fuen-51	59	90	and	and	CCONJ
fuen-51	59	91	flame	flame	NOUN
fuen-51	59	92	pulsing	pulse	VERB
fuen-51	59	93	displacements	displacement	NOUN
fuen-51	59	94	in	in	ADP
fuen-51	59	95	terms	term	NOUN
fuen-51	59	96	of	of	ADP
fuen-51	59	97	flame	flame	NOUN
fuen-51	59	98	center	center	NOUN
fuen-51	59	99	of	of	ADP
fuen-51	59	100	gravity	gravity	NOUN
fuen-51	59	101	,	,	PUNCT
fuen-51	59	102	length	length	NOUN
fuen-51	59	103	,	,	PUNCT
fuen-51	59	104	and	and	CCONJ
fuen-51	59	105	width	width	NOUN
fuen-51	59	106	are	be	AUX
fuen-51	59	107	measured	measure	VERB
fuen-51	59	108	and	and	CCONJ
fuen-51	59	109	compared	compare	VERB
fuen-51	59	110	under	under	ADP
fuen-51	59	111	three	three	NUM
fuen-51	59	112	coaxial	coaxial	ADJ
fuen-51	59	113	airflow	airflow	NOUN
fuen-51	59	114	swirl	swirl	NOUN
fuen-51	59	115	numbers	number	NOUN
fuen-51	59	116	and	and	CCONJ
fuen-51	59	117	three	three	NUM
fuen-51	59	118	operating	operating	NOUN
fuen-51	59	119	conditions	condition	NOUN
fuen-51	59	120	(	(	PUNCT
fuen-51	59	121	table	table	NOUN
fuen-51	59	122	2	2	NUM
fuen-51	59	123	)	)	PUNCT
fuen-51	59	124	.	.	PUNCT
fuen-51	60	1	table	table	NOUN
fuen-51	60	2	2	2	NUM
fuen-51	60	3	.	.	PUNCT
fuen-51	60	4	experimental	experimental	ADJ
fuen-51	60	5	conditions	condition	NOUN
fuen-51	60	6	case	case	NOUN
fuen-51	60	7	airflow	airflow	NOUN
fuen-51	60	8	rate	rate	NOUN
fuen-51	60	9	,	,	PUNCT
fuen-51	60	10	(	(	PUNCT
fuen-51	60	11	𝑠𝑙𝑝𝑚	𝑠𝑙𝑝𝑚	NOUN
fuen-51	60	12	)	)	PUNCT
fuen-51	60	13	methane	methane	NOUN
fuen-51	60	14	flow	flow	NOUN
fuen-51	60	15	rate	rate	NOUN
fuen-51	60	16	,	,	PUNCT
fuen-51	60	17	(	(	PUNCT
fuen-51	60	18	𝑠𝑙𝑝𝑚	𝑠𝑙𝑝𝑚	NOUN
fuen-51	60	19	)	)	PUNCT
fuen-51	60	20	coaxial	coaxial	ADJ
fuen-51	60	21	airflow	airflow	NOUN
fuen-51	60	22	swirl	swirl	ADJ
fuen-51	60	23	number	number	NOUN
fuen-51	60	24	,	,	PUNCT
fuen-51	60	25	𝑆𝑛	𝑆𝑛	PROPN
fuen-51	60	26	,	,	PUNCT
fuen-51	60	27	(	(	PUNCT
fuen-51	60	28	−	−	NOUN
fuen-51	60	29	)	)	PUNCT
fuen-51	60	30	1	1	NUM
fuen-51	60	31	3.0	3.0	NUM
fuen-51	60	32	0.100	0.100	NUM
fuen-51	60	33	0.5	0.5	NUM
fuen-51	60	34	2	2	NUM
fuen-51	60	35	3.0	3.0	NUM
fuen-51	60	36	0.150	0.150	NUM
fuen-51	60	37	0.5	0.5	NUM
fuen-51	60	38	3	3	NUM
fuen-51	60	39	3.0	3.0	NUM
fuen-51	60	40	0.200	0.200	NUM
fuen-51	60	41	0.5	0.5	NUM
fuen-51	60	42	4	4	NUM
fuen-51	60	43	3.0	3.0	NUM
fuen-51	60	44	0.100	0.100	NUM
fuen-51	60	45	0.6	0.6	NUM
fuen-51	60	46	5	5	NUM
fuen-51	60	47	3.0	3.0	NUM
fuen-51	60	48	0.150	0.150	NUM
fuen-51	60	49	0.6	0.6	NUM
fuen-51	60	50	6	6	NUM
fuen-51	60	51	3.0	3.0	NUM
fuen-51	60	52	0.200	0.200	NUM
fuen-51	60	53	0.6	0.6	NUM
fuen-51	60	54	7	7	NUM
fuen-51	60	55	3.0	3.0	NUM
fuen-51	60	56	0.100	0.100	NUM
fuen-51	60	57	0.7	0.7	NUM
fuen-51	60	58	8	8	NUM
fuen-51	60	59	3.0	3.0	NUM
fuen-51	60	60	0.150	0.150	NUM
fuen-51	60	61	0.7	0.7	NUM
fuen-51	60	62	9	9	NUM
fuen-51	60	63	3.0	3.0	NUM
fuen-51	60	64	0.200	0.200	NUM
fuen-51	60	65	0.7	0.7	NUM
fuen-51	60	66	3.1	3.1	NUM
fuen-51	60	67	lean	lean	ADJ
fuen-51	60	68	blowout	blowout	NOUN
fuen-51	60	69	(	(	PUNCT
fuen-51	60	70	lbo	lbo	PROPN
fuen-51	60	71	)	)	PUNCT
fuen-51	60	72	limits	limit	NOUN
fuen-51	60	73	in	in	ADP
fuen-51	60	74	the	the	DET
fuen-51	60	75	present	present	ADJ
fuen-51	60	76	study	study	NOUN
fuen-51	60	77	,	,	PUNCT
fuen-51	60	78	flame	flame	NOUN
fuen-51	60	79	lean	lean	ADJ
fuen-51	60	80	blowout	blowout	NOUN
fuen-51	60	81	limits	limit	NOUN
fuen-51	60	82	are	be	AUX
fuen-51	60	83	determined	determine	VERB
fuen-51	60	84	according	accord	VERB
fuen-51	60	85	to	to	ADP
fuen-51	60	86	[	[	X
fuen-51	60	87	12	12	NUM
fuen-51	60	88	,	,	PUNCT
fuen-51	60	89	24	24	NUM
fuen-51	60	90	]	]	PUNCT
fuen-51	60	91	:	:	PUNCT
fuen-51	60	92	(	(	PUNCT
fuen-51	60	93	1	1	X
fuen-51	60	94	)	)	PUNCT
fuen-51	60	95	initially	initially	ADV
fuen-51	60	96	,	,	PUNCT
fuen-51	60	97	a	a	DET
fuen-51	60	98	sustained	sustained	ADJ
fuen-51	60	99	diffusion	diffusion	NOUN
fuen-51	60	100	flame	flame	NOUN
fuen-51	60	101	is	be	AUX
fuen-51	60	102	produced	produce	VERB
fuen-51	60	103	at	at	ADP
fuen-51	60	104	a	a	DET
fuen-51	60	105	predetermined	predetermine	VERB
fuen-51	60	106	fuel	fuel	NOUN
fuen-51	60	107	flow	flow	NOUN
fuen-51	60	108	rate	rate	NOUN
fuen-51	60	109	,	,	PUNCT
fuen-51	60	110	while	while	SCONJ
fuen-51	60	111	the	the	DET
fuen-51	60	112	airflow	airflow	NOUN
fuen-51	60	113	rate	rate	NOUN
fuen-51	60	114	is	be	AUX
fuen-51	60	115	maintained	maintain	VERB
fuen-51	60	116	at	at	ADP
fuen-51	60	117	its	its	PRON
fuen-51	60	118	minimum	minimum	NOUN
fuen-51	60	119	;	;	PUNCT
fuen-51	60	120	(	(	PUNCT
fuen-51	60	121	2	2	X
fuen-51	60	122	)	)	PUNCT
fuen-51	60	123	second	second	ADJ
fuen-51	60	124	,	,	PUNCT
fuen-51	60	125	the	the	DET
fuen-51	60	126	airflow	airflow	NOUN
fuen-51	60	127	rate	rate	NOUN
fuen-51	60	128	is	be	AUX
fuen-51	60	129	increased	increase	VERB
fuen-51	60	130	by	by	ADP
fuen-51	60	131	0.1	0.1	NUM
fuen-51	60	132	slpm	slpm	NOUN
fuen-51	60	133	while	while	SCONJ
fuen-51	60	134	the	the	DET
fuen-51	60	135	fuel	fuel	NOUN
fuen-51	60	136	flow	flow	NOUN
fuen-51	60	137	rate	rate	NOUN
fuen-51	60	138	stays	stay	VERB
fuen-51	60	139	constant	constant	ADJ
fuen-51	60	140	until	until	SCONJ
fuen-51	60	141	the	the	DET
fuen-51	60	142	flame	flame	NOUN
fuen-51	60	143	is	be	AUX
fuen-51	60	144	extinguished	extinguish	VERB
fuen-51	60	145	;	;	PUNCT
fuen-51	60	146	(	(	PUNCT
fuen-51	60	147	3	3	X
fuen-51	60	148	)	)	PUNCT
fuen-51	60	149	the	the	DET
fuen-51	60	150	airflow	airflow	NOUN
fuen-51	60	151	rate	rate	NOUN
fuen-51	60	152	at	at	ADP
fuen-51	60	153	which	which	PRON
fuen-51	60	154	the	the	DET
fuen-51	60	155	flame	flame	NOUN
fuen-51	60	156	blows	blow	VERB
fuen-51	60	157	out	out	ADP
fuen-51	60	158	(	(	PUNCT
fuen-51	60	159	extingushes	extingushe	NOUN
fuen-51	60	160	)	)	PUNCT
fuen-51	60	161	is	be	AUX
fuen-51	60	162	the	the	DET
fuen-51	60	163	lean	lean	ADJ
fuen-51	60	164	blow	blow	NOUN
fuen-51	60	165	out	out	ADP
fuen-51	60	166	limit	limit	NOUN
fuen-51	60	167	for	for	ADP
fuen-51	60	168	the	the	DET
fuen-51	60	169	adjusted	adjust	VERB
fuen-51	60	170	fuel	fuel	NOUN
fuen-51	60	171	flow	flow	NOUN
fuen-51	60	172	rate	rate	NOUN
fuen-51	60	173	;	;	PUNCT
fuen-51	60	174	(	(	PUNCT
fuen-51	60	175	4	4	X
fuen-51	60	176	)	)	PUNCT
fuen-51	60	177	this	this	DET
fuen-51	60	178	process	process	NOUN
fuen-51	60	179	is	be	AUX
fuen-51	60	180	performed	perform	VERB
fuen-51	60	181	three	three	NUM
fuen-51	60	182	times	time	NOUN
fuen-51	60	183	,	,	PUNCT
fuen-51	60	184	and	and	CCONJ
fuen-51	60	185	the	the	DET
fuen-51	60	186	average	average	ADJ
fuen-51	60	187	values	value	NOUN
fuen-51	60	188	are	be	AUX
fuen-51	60	189	provided	provide	VERB
fuen-51	60	190	in	in	ADP
fuen-51	60	191	this	this	DET
fuen-51	60	192	paper	paper	NOUN
fuen-51	60	193	.	.	PUNCT
fuen-51	61	1	s.	s.	PROPN
fuen-51	61	2	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	61	3	/	/	SYM
fuen-51	61	4	future	future	ADJ
fuen-51	61	5	energy	energy	NOUN
fuen-51	61	6	february	february	PROPN
fuen-51	61	7	2023|	2023|	NUM
fuen-51	61	8	volume	volume	NOUN
fuen-51	61	9	02	02	NUM
fuen-51	62	1	|	|	NOUN
fuen-51	62	2	issue	issue	NOUN
fuen-51	62	3	01	01	NUM
fuen-51	63	1	|	|	NOUN
fuen-51	63	2	pages	page	VERB
fuen-51	63	3	27	27	NUM
fuen-51	63	4	-	-	SYM
fuen-51	63	5	37	37	NUM
fuen-51	63	6	29	29	NUM
fuen-51	63	7	(	(	PUNCT
fuen-51	63	8	a	a	NOUN
fuen-51	63	9	)	)	PUNCT
fuen-51	63	10	(	(	PUNCT
fuen-51	63	11	b	b	X
fuen-51	63	12	)	)	PUNCT
fuen-51	63	13	figure	figure	NOUN
fuen-51	63	14	1	1	NUM
fuen-51	63	15	.	.	PUNCT
fuen-51	64	1	(	(	PUNCT
fuen-51	64	2	a	a	X
fuen-51	64	3	)	)	PUNCT
fuen-51	64	4	experimental	experimental	ADJ
fuen-51	64	5	setup	setup	NOUN
fuen-51	64	6	and	and	CCONJ
fuen-51	64	7	flow	flow	NOUN
fuen-51	64	8	delivery	delivery	NOUN
fuen-51	64	9	system	system	NOUN
fuen-51	64	10	,	,	PUNCT
fuen-51	64	11	(	(	PUNCT
fuen-51	64	12	b	b	NOUN
fuen-51	64	13	)	)	PUNCT
fuen-51	64	14	miniature	miniature	ADJ
fuen-51	64	15	-	-	PUNCT
fuen-51	64	16	scale	scale	NOUN
fuen-51	64	17	swirl	swirl	NOUN
fuen-51	64	18	burner	burner	NOUN
fuen-51	64	19	s.	s.	PROPN
fuen-51	64	20	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	64	21	/	/	SYM
fuen-51	64	22	future	future	ADJ
fuen-51	64	23	energy	energy	NOUN
fuen-51	64	24	february	february	PROPN
fuen-51	64	25	2023|	2023|	NUM
fuen-51	64	26	volume	volume	NOUN
fuen-51	64	27	02	02	NUM
fuen-51	64	28	|	|	NOUN
fuen-51	64	29	issue	issue	NOUN
fuen-51	64	30	01	01	NUM
fuen-51	65	1	|	|	NOUN
fuen-51	65	2	pages	page	VERB
fuen-51	65	3	27	27	NUM
fuen-51	65	4	-	-	SYM
fuen-51	65	5	37	37	NUM
fuen-51	65	6	30	30	NUM
fuen-51	65	7	figure	figure	NOUN
fuen-51	65	8	2(a	2(a	NUM
fuen-51	65	9	)	)	PUNCT
fuen-51	65	10	compares	compare	VERB
fuen-51	65	11	lbo	lbo	PROPN
fuen-51	65	12	values	value	NOUN
fuen-51	65	13	for	for	ADP
fuen-51	65	14	three	three	NUM
fuen-51	65	15	swirl	swirl	ADJ
fuen-51	65	16	numbers	number	NOUN
fuen-51	65	17	of	of	ADP
fuen-51	65	18	0.5	0.5	NUM
fuen-51	65	19	,	,	PUNCT
fuen-51	65	20	0.6	0.6	NUM
fuen-51	65	21	,	,	PUNCT
fuen-51	65	22	and	and	CCONJ
fuen-51	65	23	0.7	0.7	NUM
fuen-51	65	24	for	for	ADP
fuen-51	65	25	methane	methane	NOUN
fuen-51	65	26	flow	flow	NOUN
fuen-51	65	27	rates	rate	NOUN
fuen-51	65	28	ranging	range	VERB
fuen-51	65	29	from	from	ADP
fuen-51	65	30	0.050	0.050	NUM
fuen-51	65	31	to	to	ADP
fuen-51	65	32	0.500	0.500	NUM
fuen-51	65	33	slpm	slpm	NOUN
fuen-51	65	34	with	with	ADP
fuen-51	65	35	an	an	DET
fuen-51	65	36	increment	increment	NOUN
fuen-51	65	37	of	of	ADP
fuen-51	65	38	0.050	0.050	NUM
fuen-51	65	39	slpm	slpm	NOUN
fuen-51	65	40	.	.	PUNCT
fuen-51	66	1	it	it	PRON
fuen-51	66	2	has	have	AUX
fuen-51	66	3	been	be	AUX
fuen-51	66	4	seen	see	VERB
fuen-51	66	5	that	that	SCONJ
fuen-51	66	6	the	the	DET
fuen-51	66	7	equivalence	equivalence	NOUN
fuen-51	66	8	ratio	ratio	NOUN
fuen-51	66	9	at	at	ADP
fuen-51	66	10	which	which	PRON
fuen-51	66	11	the	the	DET
fuen-51	66	12	flame	flame	NOUN
fuen-51	66	13	blows	blow	VERB
fuen-51	66	14	out	out	ADP
fuen-51	66	15	rises	rise	NOUN
fuen-51	66	16	as	as	SCONJ
fuen-51	66	17	the	the	DET
fuen-51	66	18	fuel	fuel	NOUN
fuen-51	66	19	flow	flow	NOUN
fuen-51	66	20	rate	rate	NOUN
fuen-51	66	21	is	be	AUX
fuen-51	66	22	increased	increase	VERB
fuen-51	66	23	.	.	PUNCT
fuen-51	67	1	it	it	PRON
fuen-51	67	2	has	have	AUX
fuen-51	67	3	also	also	ADV
fuen-51	67	4	been	be	AUX
fuen-51	67	5	seen	see	VERB
fuen-51	67	6	that	that	SCONJ
fuen-51	67	7	increasing	increase	VERB
fuen-51	67	8	the	the	DET
fuen-51	67	9	swirl	swirl	ADJ
fuen-51	67	10	number	number	NOUN
fuen-51	67	11	from	from	ADP
fuen-51	67	12	0.5	0.5	NUM
fuen-51	67	13	to	to	ADP
fuen-51	67	14	0.7	0.7	NUM
fuen-51	67	15	generally	generally	ADV
fuen-51	67	16	has	have	VERB
fuen-51	67	17	an	an	DET
fuen-51	67	18	unfavorable	unfavorable	ADJ
fuen-51	67	19	effect	effect	NOUN
fuen-51	67	20	on	on	ADP
fuen-51	67	21	the	the	DET
fuen-51	67	22	lbo	lbo	PROPN
fuen-51	67	23	at	at	ADP
fuen-51	67	24	given	give	VERB
fuen-51	67	25	fuel	fuel	NOUN
fuen-51	67	26	flow	flow	NOUN
fuen-51	67	27	rates	rate	NOUN
fuen-51	67	28	(	(	PUNCT
fuen-51	67	29	the	the	DET
fuen-51	67	30	flame	flame	NOUN
fuen-51	67	31	blows	blow	VERB
fuen-51	67	32	out	out	ADP
fuen-51	67	33	at	at	ADP
fuen-51	67	34	lower	low	ADJ
fuen-51	67	35	airflow	airflow	NOUN
fuen-51	67	36	rates	rate	NOUN
fuen-51	67	37	or	or	CCONJ
fuen-51	67	38	higher	high	ADJ
fuen-51	67	39	equivalence	equivalence	NOUN
fuen-51	67	40	ratio	ratio	NOUN
fuen-51	67	41	)	)	PUNCT
fuen-51	67	42	.	.	PUNCT
fuen-51	68	1	this	this	PRON
fuen-51	68	2	can	can	AUX
fuen-51	68	3	be	be	AUX
fuen-51	68	4	attributed	attribute	VERB
fuen-51	68	5	to	to	ADP
fuen-51	68	6	the	the	DET
fuen-51	68	7	following	follow	VERB
fuen-51	68	8	factors	factor	NOUN
fuen-51	68	9	:	:	PUNCT
fuen-51	68	10	(	(	PUNCT
fuen-51	68	11	a	a	X
fuen-51	68	12	)	)	PUNCT
fuen-51	68	13	interaction	interaction	NOUN
fuen-51	68	14	between	between	ADP
fuen-51	68	15	flame	flame	NOUN
fuen-51	68	16	base	base	NOUN
fuen-51	68	17	and	and	CCONJ
fuen-51	68	18	fuel	fuel	NOUN
fuen-51	68	19	nozzle	nozzle	NOUN
fuen-51	68	20	due	due	ADP
fuen-51	68	21	to	to	ADP
fuen-51	68	22	an	an	DET
fuen-51	68	23	increase	increase	NOUN
fuen-51	68	24	in	in	ADP
fuen-51	68	25	the	the	DET
fuen-51	68	26	recirculation	recirculation	NOUN
fuen-51	68	27	zone	zone	NOUN
fuen-51	68	28	;	;	PUNCT
fuen-51	68	29	(	(	PUNCT
fuen-51	68	30	b	b	X
fuen-51	68	31	)	)	PUNCT
fuen-51	68	32	entrainment	entrainment	NOUN
fuen-51	68	33	of	of	ADP
fuen-51	68	34	cold	cold	ADJ
fuen-51	68	35	outside	outside	ADJ
fuen-51	68	36	air	air	NOUN
fuen-51	68	37	due	due	ADP
fuen-51	68	38	to	to	ADP
fuen-51	68	39	the	the	DET
fuen-51	68	40	recirculation	recirculation	NOUN
fuen-51	68	41	zone	zone	NOUN
fuen-51	68	42	;	;	PUNCT
fuen-51	68	43	and	and	CCONJ
fuen-51	68	44	(	(	PUNCT
fuen-51	68	45	c	c	X
fuen-51	68	46	)	)	PUNCT
fuen-51	68	47	flame	flame	NOUN
fuen-51	68	48	cooling	cooling	NOUN
fuen-51	68	49	due	due	ADP
fuen-51	68	50	to	to	ADP
fuen-51	68	51	an	an	DET
fuen-51	68	52	increase	increase	NOUN
fuen-51	68	53	in	in	ADP
fuen-51	68	54	the	the	DET
fuen-51	68	55	rate	rate	NOUN
fuen-51	68	56	of	of	ADP
fuen-51	68	57	strain	strain	NOUN
fuen-51	68	58	on	on	ADP
fuen-51	68	59	the	the	DET
fuen-51	68	60	flame	flame	NOUN
fuen-51	68	61	with	with	ADP
fuen-51	68	62	increasing	increase	VERB
fuen-51	68	63	swirl	swirl	ADJ
fuen-51	68	64	strength	strength	NOUN
fuen-51	68	65	.	.	PUNCT
fuen-51	69	1	in	in	ADP
fuen-51	69	2	order	order	NOUN
fuen-51	69	3	to	to	PART
fuen-51	69	4	properly	properly	ADV
fuen-51	69	5	examine	examine	VERB
fuen-51	69	6	the	the	DET
fuen-51	69	7	impacts	impact	NOUN
fuen-51	69	8	of	of	ADP
fuen-51	69	9	raising	raise	VERB
fuen-51	69	10	the	the	DET
fuen-51	69	11	coaxial	coaxial	ADJ
fuen-51	69	12	airflow	airflow	NOUN
fuen-51	69	13	swirl	swirl	NOUN
fuen-51	69	14	number	number	NOUN
fuen-51	69	15	from	from	ADP
fuen-51	69	16	0.5	0.5	NUM
fuen-51	69	17	to	to	ADP
fuen-51	69	18	0.7	0.7	NUM
fuen-51	69	19	on	on	ADP
fuen-51	69	20	lbo	lbo	PROPN
fuen-51	69	21	,	,	PUNCT
fuen-51	69	22	the	the	DET
fuen-51	69	23	findings	finding	NOUN
fuen-51	69	24	of	of	ADP
fuen-51	69	25	figure	figure	NOUN
fuen-51	69	26	2(a	2(a	NUM
fuen-51	69	27	)	)	PUNCT
fuen-51	69	28	are	be	AUX
fuen-51	69	29	compared	compare	VERB
fuen-51	69	30	to	to	ADP
fuen-51	69	31	30	30	NUM
fuen-51	69	32	°	°	PART
fuen-51	69	33	swirler	swirler	NOUN
fuen-51	69	34	using	use	VERB
fuen-51	69	35	the	the	DET
fuen-51	69	36	following	follow	VERB
fuen-51	69	37	equation	equation	NOUN
fuen-51	69	38	:	:	PUNCT
fuen-51	69	39	diff	diff	NOUN
fuen-51	69	40	in	in	ADP
fuen-51	69	41	φ	φ	PROPN
fuen-51	69	42	=	=	PUNCT
fuen-51	69	43	𝛷35	𝛷35	PROPN
fuen-51	69	44	°	°	ADP
fuen-51	70	1	𝑜𝑟40	𝑜𝑟40	PROPN
fuen-51	70	2	°	°	PROPN
fuen-51	70	3	𝑠𝑤𝑖𝑟𝑙𝑒𝑟	𝑠𝑤𝑖𝑟𝑙𝑒𝑟	NOUN
fuen-51	70	4	−	−	PROPN
fuen-51	70	5	𝛷30	𝛷30	PROPN
fuen-51	70	6	°	°	PROPN
fuen-51	70	7	𝑠𝑤𝑖𝑟𝑙𝑒𝑟	𝑠𝑤𝑖𝑟𝑙𝑒𝑟	PROPN
fuen-51	70	8	𝛷30	𝛷30	PROPN
fuen-51	70	9	°	°	PROPN
fuen-51	70	10	𝑠𝑤𝑖𝑟𝑙𝑒𝑟	𝑠𝑤𝑖𝑟𝑙𝑒𝑟	PROPN
fuen-51	70	11	×	×	NOUN
fuen-51	70	12	100	100	NUM
fuen-51	70	13	%	%	NOUN
fuen-51	70	14	(	(	PUNCT
fuen-51	70	15	2	2	NUM
fuen-51	70	16	)	)	PUNCT
fuen-51	70	17	(	(	PUNCT
fuen-51	70	18	a	a	NOUN
fuen-51	70	19	)	)	PUNCT
fuen-51	70	20	(	(	PUNCT
fuen-51	70	21	b	b	X
fuen-51	70	22	)	)	PUNCT
fuen-51	70	23	figure	figure	NOUN
fuen-51	70	24	2	2	NUM
fuen-51	70	25	.	.	PUNCT
fuen-51	70	26	(	(	PUNCT
fuen-51	70	27	a	a	X
fuen-51	70	28	)	)	PUNCT
fuen-51	70	29	lean	lean	ADJ
fuen-51	70	30	blow	blow	NOUN
fuen-51	70	31	out	out	ADP
fuen-51	70	32	(	(	PUNCT
fuen-51	70	33	lbo	lbo	PROPN
fuen-51	70	34	)	)	PUNCT
fuen-51	70	35	,	,	PUNCT
fuen-51	70	36	(	(	PUNCT
fuen-51	70	37	b	b	X
fuen-51	70	38	)	)	PUNCT
fuen-51	70	39	percentage	percentage	NOUN
fuen-51	70	40	difference	difference	NOUN
fuen-51	70	41	in	in	ADP
fuen-51	70	42	lbo	lbo	PROPN
fuen-51	70	43	compared	compare	VERB
fuen-51	70	44	with	with	ADP
fuen-51	70	45	30	30	NUM
fuen-51	70	46	°	°	NOUN
fuen-51	70	47	swirler	swirler	NOUN
fuen-51	70	48	the	the	DET
fuen-51	70	49	percentage	percentage	NOUN
fuen-51	70	50	difference	difference	NOUN
fuen-51	70	51	in	in	ADP
fuen-51	70	52	the	the	DET
fuen-51	70	53	equivalence	equivalence	NOUN
fuen-51	70	54	ratio	ratio	NOUN
fuen-51	70	55	at	at	ADP
fuen-51	70	56	lbo	lbo	PROPN
fuen-51	70	57	under	under	ADP
fuen-51	70	58	two	two	NUM
fuen-51	70	59	swirl	swirl	ADJ
fuen-51	70	60	numbers	number	NOUN
fuen-51	70	61	is	be	AUX
fuen-51	70	62	depicted	depict	VERB
fuen-51	70	63	in	in	ADP
fuen-51	70	64	figure	figure	NOUN
fuen-51	70	65	2(b	2(b	NUM
fuen-51	70	66	)	)	PUNCT
fuen-51	70	67	.	.	PUNCT
fuen-51	71	1	negative	negative	ADJ
fuen-51	71	2	and	and	CCONJ
fuen-51	71	3	positive	positive	ADJ
fuen-51	71	4	values	value	NOUN
fuen-51	71	5	indicate	indicate	VERB
fuen-51	71	6	lower	low	ADJ
fuen-51	71	7	and	and	CCONJ
fuen-51	71	8	higher	high	ADJ
fuen-51	71	9	equivalence	equivalence	NOUN
fuen-51	71	10	ratios	ratio	NOUN
fuen-51	71	11	for	for	ADP
fuen-51	71	12	lbo	lbo	PROPN
fuen-51	71	13	compared	compare	VERB
fuen-51	71	14	to	to	ADP
fuen-51	71	15	30	30	NUM
fuen-51	71	16	°	°	NOUN
fuen-51	71	17	swirler	swirler	NOUN
fuen-51	71	18	,	,	PUNCT
fuen-51	71	19	respectively	respectively	ADV
fuen-51	71	20	.	.	PUNCT
fuen-51	72	1	at	at	ADP
fuen-51	72	2	two	two	NUM
fuen-51	72	3	fuel	fuel	NOUN
fuen-51	72	4	flow	flow	NOUN
fuen-51	72	5	rates	rate	NOUN
fuen-51	72	6	of	of	ADP
fuen-51	72	7	0.050	0.050	NUM
fuen-51	72	8	and	and	CCONJ
fuen-51	72	9	0.100	0.100	NUM
fuen-51	72	10	slpm	slpm	NOUN
fuen-51	72	11	,	,	PUNCT
fuen-51	72	12	a	a	DET
fuen-51	72	13	35	35	NUM
fuen-51	72	14	°	°	ADJ
fuen-51	72	15	swirler	swirler	NOUN
fuen-51	72	16	produces	produce	VERB
fuen-51	72	17	lower	low	ADJ
fuen-51	72	18	equivalence	equivalence	NOUN
fuen-51	72	19	ratios	ratio	NOUN
fuen-51	72	20	for	for	ADP
fuen-51	72	21	lbo	lbo	PROPN
fuen-51	72	22	.	.	PUNCT
fuen-51	73	1	however	however	ADV
fuen-51	73	2	,	,	PUNCT
fuen-51	73	3	at	at	ADP
fuen-51	73	4	fuel	fuel	NOUN
fuen-51	73	5	flow	flow	NOUN
fuen-51	73	6	rates	rate	NOUN
fuen-51	73	7	larger	large	ADJ
fuen-51	73	8	than	than	ADP
fuen-51	73	9	0.100	0.100	NUM
fuen-51	73	10	slpm	slpm	NOUN
fuen-51	73	11	,	,	PUNCT
fuen-51	73	12	flames	flame	NOUN
fuen-51	73	13	formed	form	VERB
fuen-51	73	14	under	under	ADP
fuen-51	73	15	swirl	swirl	ADJ
fuen-51	73	16	numbers	number	NOUN
fuen-51	73	17	of	of	ADP
fuen-51	73	18	0.6	0.6	NUM
fuen-51	73	19	and	and	CCONJ
fuen-51	73	20	0.7	0.7	NUM
fuen-51	73	21	blow	blow	NOUN
fuen-51	73	22	out	out	ADP
fuen-51	73	23	at	at	ADP
fuen-51	73	24	higher	high	ADJ
fuen-51	73	25	equivalence	equivalence	NOUN
fuen-51	73	26	ratios	ratio	NOUN
fuen-51	73	27	than	than	ADP
fuen-51	73	28	flames	flame	NOUN
fuen-51	73	29	formed	form	VERB
fuen-51	73	30	under	under	ADP
fuen-51	73	31	swirl	swirl	ADJ
fuen-51	73	32	number	number	NOUN
fuen-51	73	33	0.5	0.5	NUM
fuen-51	73	34	.	.	PUNCT
fuen-51	74	1	for	for	ADP
fuen-51	74	2	flames	flame	NOUN
fuen-51	74	3	under	under	ADP
fuen-51	74	4	35	35	NUM
fuen-51	74	5	°	°	NUM
fuen-51	74	6	and	and	CCONJ
fuen-51	74	7	40	40	NUM
fuen-51	74	8	°	°	NOUN
fuen-51	74	9	,	,	PUNCT
fuen-51	74	10	the	the	DET
fuen-51	74	11	lbo	lbo	PROPN
fuen-51	74	12	has	have	AUX
fuen-51	74	13	decreased	decrease	VERB
fuen-51	74	14	up	up	ADP
fuen-51	74	15	to	to	ADP
fuen-51	74	16	about	about	ADP
fuen-51	74	17	15	15	NUM
fuen-51	74	18	%	%	NOUN
fuen-51	74	19	and	and	CCONJ
fuen-51	74	20	40	40	NUM
fuen-51	74	21	%	%	NOUN
fuen-51	74	22	,	,	PUNCT
fuen-51	74	23	respectively	respectively	ADV
fuen-51	74	24	.	.	PUNCT
fuen-51	75	1	3.2	3.2	NUM
fuen-51	75	2	flame	flame	NOUN
fuen-51	75	3	characteristics	characteristic	NOUN
fuen-51	75	4	in	in	ADP
fuen-51	75	5	this	this	DET
fuen-51	75	6	section	section	NOUN
fuen-51	75	7	,	,	PUNCT
fuen-51	75	8	the	the	DET
fuen-51	75	9	process	process	NOUN
fuen-51	75	10	for	for	ADP
fuen-51	75	11	measuring	measure	VERB
fuen-51	75	12	is	be	AUX
fuen-51	75	13	as	as	SCONJ
fuen-51	75	14	follows	follow	VERB
fuen-51	75	15	:	:	PUNCT
fuen-51	75	16	first	first	ADV
fuen-51	75	17	,	,	PUNCT
fuen-51	75	18	the	the	DET
fuen-51	75	19	fuel	fuel	NOUN
fuen-51	75	20	is	be	AUX
fuen-51	75	21	introduced	introduce	VERB
fuen-51	75	22	at	at	ADP
fuen-51	75	23	predefined	predefine	VERB
fuen-51	75	24	flow	flow	NOUN
fuen-51	75	25	rates	rate	NOUN
fuen-51	75	26	(	(	PUNCT
fuen-51	75	27	0.100	0.100	NUM
fuen-51	75	28	,	,	PUNCT
fuen-51	75	29	0.150	0.150	NUM
fuen-51	75	30	,	,	PUNCT
fuen-51	75	31	and	and	CCONJ
fuen-51	75	32	0.200	0.200	NUM
fuen-51	75	33	)	)	PUNCT
fuen-51	75	34	,	,	PUNCT
fuen-51	75	35	ignited	ignite	VERB
fuen-51	75	36	,	,	PUNCT
fuen-51	75	37	and	and	CCONJ
fuen-51	75	38	a	a	DET
fuen-51	75	39	sustained	sustained	ADJ
fuen-51	75	40	diffusion	diffusion	NOUN
fuen-51	75	41	flame	flame	NOUN
fuen-51	75	42	is	be	AUX
fuen-51	75	43	created	create	VERB
fuen-51	75	44	for	for	ADP
fuen-51	75	45	each	each	DET
fuen-51	75	46	swirler	swirler	NOUN
fuen-51	75	47	;	;	PUNCT
fuen-51	75	48	second	second	X
fuen-51	75	49	,	,	PUNCT
fuen-51	75	50	the	the	DET
fuen-51	75	51	airflow	airflow	NOUN
fuen-51	75	52	rate	rate	NOUN
fuen-51	75	53	is	be	AUX
fuen-51	75	54	steadily	steadily	ADV
fuen-51	75	55	raised	raise	VERB
fuen-51	75	56	until	until	SCONJ
fuen-51	75	57	it	it	PRON
fuen-51	75	58	achieves	achieve	VERB
fuen-51	75	59	the	the	DET
fuen-51	75	60	desired	desire	VERB
fuen-51	75	61	value	value	NOUN
fuen-51	75	62	of	of	ADP
fuen-51	75	63	3	3	NUM
fuen-51	75	64	;	;	PUNCT
fuen-51	75	65	then	then	ADV
fuen-51	75	66	,	,	PUNCT
fuen-51	75	67	a	a	DET
fuen-51	75	68	nikon	nikon	PROPN
fuen-51	75	69	v1	v1	NOUN
fuen-51	75	70	is	be	AUX
fuen-51	75	71	used	use	VERB
fuen-51	75	72	to	to	PART
fuen-51	75	73	record	record	VERB
fuen-51	75	74	a	a	DET
fuen-51	75	75	high	high	ADJ
fuen-51	75	76	-	-	PUNCT
fuen-51	75	77	speed	speed	NOUN
fuen-51	75	78	video	video	NOUN
fuen-51	75	79	of	of	ADP
fuen-51	75	80	the	the	DET
fuen-51	75	81	formed	form	VERB
fuen-51	75	82	flame	flame	NOUN
fuen-51	75	83	at	at	ADP
fuen-51	75	84	400	400	NUM
fuen-51	75	85	fps	fps	NOUN
fuen-51	75	86	for	for	ADP
fuen-51	75	87	5	5	NUM
fuen-51	75	88	seconds	second	NOUN
fuen-51	75	89	,	,	PUNCT
fuen-51	75	90	resulting	result	VERB
fuen-51	75	91	in	in	ADP
fuen-51	75	92	2000	2000	NUM
fuen-51	75	93	frames	frame	NOUN
fuen-51	75	94	.	.	PUNCT
fuen-51	76	1	within	within	ADP
fuen-51	76	2	the	the	DET
fuen-51	76	3	scope	scope	NOUN
fuen-51	76	4	of	of	ADP
fuen-51	76	5	this	this	DET
fuen-51	76	6	investigation	investigation	NOUN
fuen-51	76	7	,	,	PUNCT
fuen-51	76	8	visual	visual	ADJ
fuen-51	76	9	luminosity	luminosity	NOUN
fuen-51	76	10	served	serve	VERB
fuen-51	76	11	as	as	ADP
fuen-51	76	12	the	the	DET
fuen-51	76	13	indicator	indicator	NOUN
fuen-51	76	14	for	for	ADP
fuen-51	76	15	flame	flame	NOUN
fuen-51	76	16	contours	contours	NOUN
fuen-51	76	17	.	.	PUNCT
fuen-51	77	1	the	the	DET
fuen-51	77	2	objective	objective	NOUN
fuen-51	77	3	was	be	AUX
fuen-51	77	4	to	to	PART
fuen-51	77	5	more	more	ADV
fuen-51	77	6	clearly	clearly	ADV
fuen-51	77	7	depict	depict	VERB
fuen-51	77	8	form	form	NOUN
fuen-51	77	9	variations	variation	NOUN
fuen-51	77	10	seen	see	VERB
fuen-51	77	11	in	in	ADP
fuen-51	77	12	flame	flame	NOUN
fuen-51	77	13	photographs	photograph	NOUN
fuen-51	77	14	(	(	PUNCT
fuen-51	77	15	not	not	PART
fuen-51	77	16	to	to	PART
fuen-51	77	17	get	get	VERB
fuen-51	77	18	an	an	DET
fuen-51	77	19	accurate	accurate	ADJ
fuen-51	77	20	location	location	NOUN
fuen-51	77	21	of	of	ADP
fuen-51	77	22	the	the	DET
fuen-51	77	23	reaction	reaction	NOUN
fuen-51	77	24	zone	zone	NOUN
fuen-51	77	25	)	)	PUNCT
fuen-51	77	26	.	.	PUNCT
fuen-51	78	1	thresholding	thresholding	NOUN
fuen-51	78	2	-	-	PUNCT
fuen-51	78	3	based	base	VERB
fuen-51	78	4	approach	approach	NOUN
fuen-51	78	5	,	,	PUNCT
fuen-51	78	6	which	which	PRON
fuen-51	78	7	is	be	AUX
fuen-51	78	8	the	the	DET
fuen-51	78	9	most	most	ADV
fuen-51	78	10	common	common	ADJ
fuen-51	78	11	segmentation	segmentation	NOUN
fuen-51	78	12	method	method	NOUN
fuen-51	78	13	because	because	SCONJ
fuen-51	78	14	of	of	ADP
fuen-51	78	15	its	its	PRON
fuen-51	78	16	simplicity	simplicity	NOUN
fuen-51	78	17	,	,	PUNCT
fuen-51	78	18	ease	ease	NOUN
fuen-51	78	19	of	of	ADP
fuen-51	78	20	understanding	understanding	NOUN
fuen-51	78	21	,	,	PUNCT
fuen-51	78	22	and	and	CCONJ
fuen-51	78	23	implementation	implementation	NOUN
fuen-51	78	24	,	,	PUNCT
fuen-51	78	25	is	be	AUX
fuen-51	78	26	used	use	VERB
fuen-51	78	27	to	to	PART
fuen-51	78	28	extract	extract	VERB
fuen-51	78	29	flame	flame	NOUN
fuen-51	78	30	contours	contours	NOUN
fuen-51	78	31	of	of	ADP
fuen-51	78	32	an	an	DET
fuen-51	78	33	image	image	NOUN
fuen-51	78	34	[	[	X
fuen-51	78	35	1	1	NUM
fuen-51	78	36	,	,	PUNCT
fuen-51	78	37	2	2	NUM
fuen-51	78	38	]	]	PUNCT
fuen-51	78	39	.	.	PUNCT
fuen-51	79	1	the	the	DET
fuen-51	79	2	intermittency	intermittency	NOUN
fuen-51	79	3	distribution	distribution	NOUN
fuen-51	79	4	approach	approach	NOUN
fuen-51	79	5	is	be	AUX
fuen-51	79	6	used	use	VERB
fuen-51	79	7	to	to	PART
fuen-51	79	8	examine	examine	VERB
fuen-51	79	9	and	and	CCONJ
fuen-51	79	10	compare	compare	VERB
fuen-51	79	11	flame	flame	NOUN
fuen-51	79	12	length	length	NOUN
fuen-51	79	13	,	,	PUNCT
fuen-51	79	14	liftoff	liftoff	ADJ
fuen-51	79	15	height	height	NOUN
fuen-51	79	16	,	,	PUNCT
fuen-51	79	17	maximum	maximum	ADJ
fuen-51	79	18	width	width	NOUN
fuen-51	79	19	,	,	PUNCT
fuen-51	79	20	and	and	CCONJ
fuen-51	79	21	angle	angle	NOUN
fuen-51	79	22	.	.	PUNCT
fuen-51	80	1	this	this	DET
fuen-51	80	2	methodology	methodology	NOUN
fuen-51	80	3	has	have	AUX
fuen-51	80	4	also	also	ADV
fuen-51	80	5	been	be	AUX
fuen-51	80	6	used	use	VERB
fuen-51	80	7	in	in	ADP
fuen-51	80	8	other	other	ADJ
fuen-51	80	9	research	research	NOUN
fuen-51	80	10	too	too	ADV
fuen-51	81	1	[	[	X
fuen-51	81	2	4	4	NUM
fuen-51	81	3	-	-	SYM
fuen-51	81	4	6	6	NUM
fuen-51	81	5	,	,	PUNCT
fuen-51	81	6	9	9	NUM
fuen-51	81	7	-	-	SYM
fuen-51	81	8	11	11	NUM
fuen-51	81	9	,	,	PUNCT
fuen-51	81	10	25	25	NUM
fuen-51	81	11	]	]	PUNCT
fuen-51	81	12	.	.	PUNCT
fuen-51	82	1	in	in	ADP
fuen-51	82	2	this	this	DET
fuen-51	82	3	procedure	procedure	NOUN
fuen-51	82	4	,	,	PUNCT
fuen-51	82	5	the	the	DET
fuen-51	82	6	probability	probability	NOUN
fuen-51	82	7	of	of	ADP
fuen-51	82	8	a	a	DET
fuen-51	82	9	flame	flame	NOUN
fuen-51	82	10	's	's	PART
fuen-51	82	11	existence	existence	NOUN
fuen-51	82	12	is	be	AUX
fuen-51	82	13	determined	determine	VERB
fuen-51	82	14	using	use	VERB
fuen-51	82	15	the	the	DET
fuen-51	82	16	following	follow	VERB
fuen-51	82	17	steps	step	NOUN
fuen-51	82	18	:	:	PUNCT
fuen-51	82	19	(	(	PUNCT
fuen-51	82	20	a	a	X
fuen-51	82	21	)	)	PUNCT
fuen-51	82	22	2000	2000	NUM
fuen-51	82	23	frames	frame	NOUN
fuen-51	82	24	are	be	AUX
fuen-51	82	25	converted	convert	VERB
fuen-51	82	26	to	to	ADP
fuen-51	82	27	grayscale	grayscale	NOUN
fuen-51	82	28	and	and	CCONJ
fuen-51	82	29	then	then	ADV
fuen-51	82	30	preprocessed	preprocesse	VERB
fuen-51	82	31	;	;	PUNCT
fuen-51	82	32	(	(	PUNCT
fuen-51	82	33	b	b	X
fuen-51	82	34	)	)	PUNCT
fuen-51	82	35	the	the	DET
fuen-51	82	36	otsu	otsu	NOUN
fuen-51	82	37	thresholding	thresholde	VERB
fuen-51	82	38	algorithm	algorithm	NOUN
fuen-51	82	39	,	,	PUNCT
fuen-51	82	40	one	one	NUM
fuen-51	82	41	of	of	ADP
fuen-51	82	42	the	the	DET
fuen-51	82	43	most	most	ADV
fuen-51	82	44	common	common	ADJ
fuen-51	82	45	methods	method	NOUN
fuen-51	82	46	in	in	ADP
fuen-51	82	47	combustion	combustion	NOUN
fuen-51	82	48	,	,	PUNCT
fuen-51	82	49	is	be	AUX
fuen-51	82	50	applied	apply	VERB
fuen-51	82	51	to	to	ADP
fuen-51	82	52	these	these	DET
fuen-51	82	53	grayscale	grayscale	NOUN
fuen-51	82	54	images	image	NOUN
fuen-51	82	55	;	;	PUNCT
fuen-51	82	56	(	(	PUNCT
fuen-51	82	57	c	c	X
fuen-51	82	58	)	)	PUNCT
fuen-51	82	59	the	the	DET
fuen-51	82	60	thresholded	thresholde	VERB
fuen-51	82	61	images	image	NOUN
fuen-51	82	62	are	be	AUX
fuen-51	82	63	binarized	binarize	VERB
fuen-51	82	64	;	;	PUNCT
fuen-51	82	65	(	(	PUNCT
fuen-51	82	66	d	d	X
fuen-51	82	67	)	)	PUNCT
fuen-51	82	68	intermittency	intermittency	NOUN
fuen-51	82	69	distribution	distribution	NOUN
fuen-51	82	70	is	be	AUX
fuen-51	82	71	obtained	obtain	VERB
fuen-51	82	72	by	by	ADP
fuen-51	82	73	averaging	average	VERB
fuen-51	82	74	the	the	DET
fuen-51	82	75	obtained	obtain	VERB
fuen-51	82	76	images	image	NOUN
fuen-51	82	77	;	;	PUNCT
fuen-51	82	78	(	(	PUNCT
fuen-51	82	79	e	e	NOUN
fuen-51	82	80	)	)	PUNCT
fuen-51	82	81	flame	flame	ADJ
fuen-51	82	82	existence	existence	NOUN
fuen-51	82	83	probability	probability	NOUN
fuen-51	82	84	is	be	AUX
fuen-51	82	85	obtained	obtain	VERB
fuen-51	82	86	using	use	VERB
fuen-51	82	87	a	a	DET
fuen-51	82	88	color	color	NOUN
fuen-51	82	89	bar	bar	NOUN
fuen-51	82	90	(	(	PUNCT
fuen-51	82	91	figure	figure	NOUN
fuen-51	82	92	3	3	NUM
fuen-51	82	93	and	and	CCONJ
fuen-51	82	94	the	the	DET
fuen-51	82	95	first	first	ADJ
fuen-51	82	96	row	row	NOUN
fuen-51	82	97	of	of	ADP
fuen-51	82	98	figure	figure	NOUN
fuen-51	82	99	5	5	NUM
fuen-51	82	100	)	)	PUNCT
fuen-51	82	101	;	;	PUNCT
fuen-51	82	102	(	(	PUNCT
fuen-51	82	103	f	f	X
fuen-51	82	104	)	)	PUNCT
fuen-51	82	105	a	a	DET
fuen-51	82	106	threshold	threshold	NOUN
fuen-51	82	107	of	of	ADP
fuen-51	82	108	0.5	0.5	NUM
fuen-51	82	109	is	be	AUX
fuen-51	82	110	applied	apply	VERB
fuen-51	82	111	to	to	PART
fuen-51	82	112	maintain	maintain	VERB
fuen-51	82	113	the	the	DET
fuen-51	82	114	part	part	NOUN
fuen-51	82	115	with	with	ADP
fuen-51	82	116	existence	existence	NOUN
fuen-51	82	117	probability	probability	NOUN
fuen-51	82	118	greater	great	ADJ
fuen-51	82	119	than	than	ADP
fuen-51	82	120	50	50	NUM
fuen-51	82	121	%	%	NOUN
fuen-51	82	122	;	;	PUNCT
fuen-51	82	123	(	(	PUNCT
fuen-51	82	124	g	g	NOUN
fuen-51	82	125	)	)	PUNCT
fuen-51	82	126	by	by	ADP
fuen-51	82	127	converting	convert	VERB
fuen-51	82	128	the	the	DET
fuen-51	82	129	image	image	NOUN
fuen-51	82	130	coordinates	coordinate	NOUN
fuen-51	82	131	to	to	ADP
fuen-51	82	132	metric	metric	ADJ
fuen-51	82	133	coordinates	coordinate	NOUN
fuen-51	82	134	,	,	PUNCT
fuen-51	82	135	flame	flame	NOUN
fuen-51	82	136	length	length	NOUN
fuen-51	82	137	,	,	PUNCT
fuen-51	82	138	lift	lift	NOUN
fuen-51	82	139	-	-	PUNCT
fuen-51	82	140	off	off	ADP
fuen-51	82	141	height	height	NOUN
fuen-51	82	142	,	,	PUNCT
fuen-51	82	143	maximum	maximum	ADJ
fuen-51	82	144	width	width	NOUN
fuen-51	82	145	,	,	PUNCT
fuen-51	82	146	and	and	CCONJ
fuen-51	82	147	angle	angle	NOUN
fuen-51	82	148	are	be	AUX
fuen-51	82	149	obtained	obtain	VERB
fuen-51	82	150	(	(	PUNCT
fuen-51	82	151	figure	figure	NOUN
fuen-51	82	152	3	3	NUM
fuen-51	82	153	)	)	PUNCT
fuen-51	82	154	.	.	PUNCT
fuen-51	83	1	in	in	ADP
fuen-51	83	2	figure	figure	NOUN
fuen-51	83	3	4	4	NUM
fuen-51	83	4	,	,	PUNCT
fuen-51	83	5	quantitative	quantitative	ADJ
fuen-51	83	6	comparisons	comparison	NOUN
fuen-51	83	7	of	of	ADP
fuen-51	83	8	the	the	DET
fuen-51	83	9	flame	flame	NOUN
fuen-51	83	10	's	's	PART
fuen-51	83	11	length	length	NOUN
fuen-51	83	12	(	(	PUNCT
fuen-51	83	13	l	l	NOUN
fuen-51	83	14	)	)	PUNCT
fuen-51	83	15	,	,	PUNCT
fuen-51	83	16	lift	lift	NOUN
fuen-51	83	17	-	-	PUNCT
fuen-51	83	18	off	off	ADP
fuen-51	83	19	height	height	NOUN
fuen-51	83	20	(	(	PUNCT
fuen-51	83	21	lo	lo	PROPN
fuen-51	83	22	)	)	PUNCT
fuen-51	83	23	,	,	PUNCT
fuen-51	83	24	maximum	maximum	ADJ
fuen-51	83	25	width	width	ADJ
fuen-51	83	26	(	(	PUNCT
fuen-51	83	27	w	w	NOUN
fuen-51	83	28	)	)	PUNCT
fuen-51	83	29	,	,	PUNCT
fuen-51	83	30	and	and	CCONJ
fuen-51	83	31	angle	angle	NOUN
fuen-51	83	32	(	(	PUNCT
fuen-51	83	33	α	α	NOUN
fuen-51	83	34	)	)	PUNCT
fuen-51	83	35	are	be	AUX
fuen-51	83	36	shown	show	VERB
fuen-51	83	37	for	for	ADP
fuen-51	83	38	three	three	NUM
fuen-51	83	39	different	different	ADJ
fuen-51	83	40	swirl	swirl	ADJ
fuen-51	83	41	numbers	number	NOUN
fuen-51	83	42	and	and	CCONJ
fuen-51	83	43	operating	operating	NOUN
fuen-51	83	44	conditions	condition	NOUN
fuen-51	83	45	.	.	PUNCT
fuen-51	84	1	in	in	ADP
fuen-51	84	2	these	these	DET
fuen-51	84	3	figures	figure	NOUN
fuen-51	84	4	,	,	PUNCT
fuen-51	84	5	l	l	NOUN
fuen-51	84	6	,	,	PUNCT
fuen-51	84	7	lo	lo	PROPN
fuen-51	84	8	,	,	PUNCT
fuen-51	84	9	and	and	CCONJ
fuen-51	84	10	w	w	NOUN
fuen-51	84	11	are	be	AUX
fuen-51	84	12	normalized	normalize	VERB
fuen-51	84	13	to	to	PART
fuen-51	84	14	swirler	swirler	VERB
fuen-51	84	15	diameter	diameter	NOUN
fuen-51	84	16	(	(	PUNCT
fuen-51	84	17	d_sw	d_sw	PROPN
fuen-51	84	18	)	)	PUNCT
fuen-51	84	19	.	.	PUNCT
fuen-51	85	1	it	it	PRON
fuen-51	85	2	is	be	AUX
fuen-51	85	3	observed	observe	VERB
fuen-51	85	4	that	that	SCONJ
fuen-51	85	5	the	the	DET
fuen-51	85	6	flame	flame	NOUN
fuen-51	85	7	length	length	NOUN
fuen-51	85	8	and	and	CCONJ
fuen-51	85	9	liftoff	liftoff	ADJ
fuen-51	85	10	height	height	NOUN
fuen-51	85	11	drop	drop	NOUN
fuen-51	85	12	as	as	SCONJ
fuen-51	85	13	the	the	DET
fuen-51	85	14	swirl	swirl	ADJ
fuen-51	85	15	number	number	NOUN
fuen-51	85	16	rises	rise	VERB
fuen-51	85	17	,	,	PUNCT
fuen-51	85	18	although	although	SCONJ
fuen-51	85	19	the	the	DET
fuen-51	85	20	flame	flame	NOUN
fuen-51	85	21	width	width	NOUN
fuen-51	85	22	and	and	CCONJ
fuen-51	85	23	angle	angle	NOUN
fuen-51	85	24	show	show	VERB
fuen-51	85	25	an	an	DET
fuen-51	85	26	ascending	ascend	VERB
fuen-51	85	27	tendency	tendency	NOUN
fuen-51	85	28	.	.	PUNCT
fuen-51	86	1	additionally	additionally	ADV
fuen-51	86	2	,	,	PUNCT
fuen-51	86	3	it	it	PRON
fuen-51	86	4	has	have	AUX
fuen-51	86	5	been	be	AUX
fuen-51	86	6	shown	show	VERB
fuen-51	86	7	that	that	SCONJ
fuen-51	86	8	raising	raise	VERB
fuen-51	86	9	the	the	DET
fuen-51	86	10	methane	methane	NOUN
fuen-51	86	11	flow	flow	NOUN
fuen-51	86	12	rates	rate	NOUN
fuen-51	86	13	causes	cause	VERB
fuen-51	86	14	an	an	DET
fuen-51	86	15	increase	increase	NOUN
fuen-51	86	16	in	in	ADP
fuen-51	86	17	these	these	DET
fuen-51	86	18	variables	variable	NOUN
fuen-51	86	19	except	except	SCONJ
fuen-51	86	20	for	for	ADP
fuen-51	86	21	the	the	DET
fuen-51	86	22	flame	flame	PROPN
fuen-51	86	23	angle	angle	NOUN
fuen-51	86	24	.	.	PUNCT
fuen-51	87	1	the	the	DET
fuen-51	87	2	radial	radial	ADJ
fuen-51	87	3	mixing	mixing	NOUN
fuen-51	87	4	of	of	ADP
fuen-51	87	5	air	air	NOUN
fuen-51	87	6	and	and	CCONJ
fuen-51	87	7	fuel	fuel	NOUN
fuen-51	87	8	is	be	AUX
fuen-51	87	9	improved	improve	VERB
fuen-51	87	10	and	and	CCONJ
fuen-51	87	11	accelerated	accelerate	VERB
fuen-51	87	12	by	by	ADP
fuen-51	87	13	increasing	increase	VERB
fuen-51	87	14	the	the	DET
fuen-51	87	15	swirl	swirl	ADJ
fuen-51	87	16	number	number	NOUN
fuen-51	87	17	,	,	PUNCT
fuen-51	87	18	which	which	PRON
fuen-51	87	19	also	also	ADV
fuen-51	87	20	accelerates	accelerate	VERB
fuen-51	87	21	chemical	chemical	NOUN
fuen-51	87	22	processes	process	NOUN
fuen-51	87	23	.	.	PUNCT
fuen-51	88	1	by	by	ADP
fuen-51	88	2	moving	move	VERB
fuen-51	88	3	the	the	DET
fuen-51	88	4	reaction	reaction	NOUN
fuen-51	88	5	zone	zone	NOUN
fuen-51	88	6	upstream	upstream	NOUN
fuen-51	88	7	,	,	PUNCT
fuen-51	88	8	swirl	swirl	NOUN
fuen-51	88	9	may	may	AUX
fuen-51	88	10	also	also	ADV
fuen-51	88	11	extend	extend	VERB
fuen-51	88	12	the	the	DET
fuen-51	88	13	residence	residence	NOUN
fuen-51	88	14	duration	duration	NOUN
fuen-51	88	15	during	during	ADP
fuen-51	88	16	which	which	PRON
fuen-51	88	17	reactants	reactant	NOUN
fuen-51	88	18	and	and	CCONJ
fuen-51	88	19	products	product	NOUN
fuen-51	88	20	can	can	AUX
fuen-51	88	21	coexist	coexist	VERB
fuen-51	88	22	.	.	PUNCT
fuen-51	89	1	as	as	SCONJ
fuen-51	89	2	the	the	DET
fuen-51	89	3	swirl	swirl	ADJ
fuen-51	89	4	number	number	NOUN
fuen-51	89	5	rises	rise	NOUN
fuen-51	89	6	,	,	PUNCT
fuen-51	89	7	fuel	fuel	NOUN
fuen-51	89	8	can	can	AUX
fuen-51	89	9	also	also	ADV
fuen-51	89	10	be	be	AUX
fuen-51	89	11	efficiently	efficiently	ADV
fuen-51	89	12	entrained	entrain	VERB
fuen-51	89	13	.	.	PUNCT
fuen-51	90	1	all	all	PRON
fuen-51	90	2	of	of	ADP
fuen-51	90	3	these	these	PRON
fuen-51	90	4	may	may	AUX
fuen-51	90	5	shorten	shorten	VERB
fuen-51	90	6	the	the	DET
fuen-51	90	7	visible	visible	ADJ
fuen-51	90	8	flame	flame	NOUN
fuen-51	90	9	length	length	NOUN
fuen-51	90	10	as	as	ADV
fuen-51	90	11	well	well	ADV
fuen-51	90	12	the	the	DET
fuen-51	90	13	flame	flame	NOUN
fuen-51	90	14	lift	lift	NOUN
fuen-51	90	15	-	-	PUNCT
fuen-51	90	16	off	off	ADP
fuen-51	90	17	height	height	NOUN
fuen-51	90	18	.	.	PUNCT
fuen-51	91	1	in	in	ADP
fuen-51	91	2	addition	addition	NOUN
fuen-51	91	3	,	,	PUNCT
fuen-51	91	4	when	when	SCONJ
fuen-51	91	5	the	the	DET
fuen-51	91	6	swirl	swirl	ADJ
fuen-51	91	7	number	number	NOUN
fuen-51	91	8	is	be	AUX
fuen-51	91	9	rising	rise	VERB
fuen-51	91	10	,	,	PUNCT
fuen-51	91	11	the	the	DET
fuen-51	91	12	flame	flame	NOUN
fuen-51	91	13	width	width	NOUN
fuen-51	91	14	and	and	CCONJ
fuen-51	91	15	angle	angle	NOUN
fuen-51	91	16	increase	increase	NOUN
fuen-51	91	17	because	because	SCONJ
fuen-51	91	18	radial	radial	ADJ
fuen-51	91	19	mixing	mixing	NOUN
fuen-51	91	20	is	be	AUX
fuen-51	91	21	improved	improve	VERB
fuen-51	91	22	and	and	CCONJ
fuen-51	91	23	the	the	DET
fuen-51	91	24	fuel	fuel	NOUN
fuen-51	91	25	and	and	CCONJ
fuen-51	91	26	air	air	NOUN
fuen-51	91	27	mixture	mixture	NOUN
fuen-51	91	28	is	be	AUX
fuen-51	91	29	pushed	push	VERB
fuen-51	91	30	outward	outward	ADV
fuen-51	91	31	.	.	PUNCT
fuen-51	92	1	s.	s.	PROPN
fuen-51	92	2	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	92	3	/	/	SYM
fuen-51	92	4	future	future	ADJ
fuen-51	92	5	energy	energy	NOUN
fuen-51	92	6	february	february	PROPN
fuen-51	92	7	2023|	2023|	NUM
fuen-51	92	8	volume	volume	NOUN
fuen-51	92	9	02	02	NUM
fuen-51	93	1	|	|	NOUN
fuen-51	93	2	issue	issue	NOUN
fuen-51	93	3	01	01	NUM
fuen-51	94	1	|	|	NOUN
fuen-51	94	2	pages	page	VERB
fuen-51	94	3	27	27	NUM
fuen-51	94	4	-	-	SYM
fuen-51	94	5	37	37	NUM
fuen-51	94	6	31	31	NUM
fuen-51	94	7	when	when	SCONJ
fuen-51	94	8	the	the	DET
fuen-51	94	9	fuel	fuel	NOUN
fuen-51	94	10	flow	flow	NOUN
fuen-51	94	11	rate	rate	NOUN
fuen-51	94	12	is	be	AUX
fuen-51	94	13	increased	increase	VERB
fuen-51	94	14	for	for	ADP
fuen-51	94	15	swirling	swirling	ADJ
fuen-51	94	16	flames	flame	NOUN
fuen-51	94	17	,	,	PUNCT
fuen-51	94	18	the	the	DET
fuen-51	94	19	entrainment	entrainment	NOUN
fuen-51	94	20	by	by	ADP
fuen-51	94	21	swirling	swirl	VERB
fuen-51	94	22	air	air	NOUN
fuen-51	94	23	diminishes	diminish	VERB
fuen-51	94	24	owing	owe	VERB
fuen-51	94	25	to	to	ADP
fuen-51	94	26	accelerated	accelerate	VERB
fuen-51	94	27	fuel	fuel	NOUN
fuen-51	94	28	velocity	velocity	NOUN
fuen-51	94	29	,	,	PUNCT
fuen-51	94	30	resulting	result	VERB
fuen-51	94	31	in	in	ADP
fuen-51	94	32	more	more	ADJ
fuen-51	94	33	fuel	fuel	NOUN
fuen-51	94	34	burning	burn	VERB
fuen-51	94	35	in	in	ADP
fuen-51	94	36	diffusion	diffusion	NOUN
fuen-51	94	37	mode	mode	NOUN
fuen-51	94	38	by	by	ADP
fuen-51	94	39	the	the	DET
fuen-51	94	40	air	air	NOUN
fuen-51	94	41	from	from	ADP
fuen-51	94	42	the	the	DET
fuen-51	94	43	surroundings	surrounding	NOUN
fuen-51	94	44	.	.	PUNCT
fuen-51	95	1	as	as	ADP
fuen-51	95	2	a	a	DET
fuen-51	95	3	consequence	consequence	NOUN
fuen-51	95	4	,	,	PUNCT
fuen-51	95	5	the	the	DET
fuen-51	95	6	flame	flame	NOUN
fuen-51	95	7	lengthens	lengthen	VERB
fuen-51	95	8	,	,	PUNCT
fuen-51	95	9	and	and	CCONJ
fuen-51	95	10	its	its	PRON
fuen-51	95	11	lift	lift	NOUN
fuen-51	95	12	-	-	PUNCT
fuen-51	95	13	off	off	ADP
fuen-51	95	14	height	height	NOUN
fuen-51	95	15	increases	increase	NOUN
fuen-51	95	16	with	with	ADP
fuen-51	95	17	an	an	DET
fuen-51	95	18	increment	increment	NOUN
fuen-51	95	19	in	in	ADP
fuen-51	95	20	the	the	DET
fuen-51	95	21	fuel	fuel	NOUN
fuen-51	95	22	flow	flow	NOUN
fuen-51	95	23	rate	rate	NOUN
fuen-51	95	24	.	.	PUNCT
fuen-51	96	1	on	on	ADP
fuen-51	96	2	the	the	DET
fuen-51	96	3	other	other	ADJ
fuen-51	96	4	side	side	NOUN
fuen-51	96	5	,	,	PUNCT
fuen-51	96	6	the	the	DET
fuen-51	96	7	fuel	fuel	NOUN
fuen-51	96	8	nozzle	nozzle	NOUN
fuen-51	96	9	geometry	geometry	NOUN
fuen-51	96	10	may	may	AUX
fuen-51	96	11	be	be	AUX
fuen-51	96	12	responsible	responsible	ADJ
fuen-51	96	13	for	for	ADP
fuen-51	96	14	the	the	DET
fuen-51	96	15	rise	rise	NOUN
fuen-51	96	16	in	in	ADP
fuen-51	96	17	flame	flame	NOUN
fuen-51	96	18	width	width	NOUN
fuen-51	96	19	and	and	CCONJ
fuen-51	96	20	angle	angle	NOUN
fuen-51	96	21	with	with	ADP
fuen-51	96	22	an	an	DET
fuen-51	96	23	increase	increase	NOUN
fuen-51	96	24	in	in	ADP
fuen-51	96	25	fuel	fuel	NOUN
fuen-51	96	26	flow	flow	NOUN
fuen-51	96	27	rate	rate	NOUN
fuen-51	96	28	.	.	PUNCT
fuen-51	97	1	it	it	PRON
fuen-51	97	2	is	be	AUX
fuen-51	97	3	also	also	ADV
fuen-51	97	4	observed	observe	VERB
fuen-51	97	5	that	that	SCONJ
fuen-51	97	6	the	the	DET
fuen-51	97	7	flame	flame	NOUN
fuen-51	97	8	lift	lift	NOUN
fuen-51	97	9	-	-	PUNCT
fuen-51	97	10	off	off	NOUN
fuen-51	97	11	height	height	NOUN
fuen-51	97	12	and	and	CCONJ
fuen-51	97	13	angle	angle	NOUN
fuen-51	97	14	exhibit	exhibit	VERB
fuen-51	97	15	the	the	DET
fuen-51	97	16	least	least	ADJ
fuen-51	97	17	sensitivity	sensitivity	NOUN
fuen-51	97	18	to	to	ADP
fuen-51	97	19	an	an	DET
fuen-51	97	20	increase	increase	NOUN
fuen-51	97	21	in	in	ADP
fuen-51	97	22	fuel	fuel	NOUN
fuen-51	97	23	flow	flow	NOUN
fuen-51	97	24	rate	rate	NOUN
fuen-51	97	25	for	for	ADP
fuen-51	97	26	a	a	DET
fuen-51	97	27	swirl	swirl	ADJ
fuen-51	97	28	number	number	NOUN
fuen-51	97	29	of	of	ADP
fuen-51	97	30	0.7	0.7	NUM
fuen-51	97	31	.	.	PUNCT
fuen-51	98	1	this	this	PRON
fuen-51	98	2	is	be	AUX
fuen-51	98	3	shown	show	VERB
fuen-51	98	4	in	in	ADP
fuen-51	98	5	table	table	NOUN
fuen-51	98	6	3	3	NUM
fuen-51	98	7	,	,	PUNCT
fuen-51	98	8	which	which	PRON
fuen-51	98	9	was	be	AUX
fuen-51	98	10	generated	generate	VERB
fuen-51	98	11	using	use	VERB
fuen-51	98	12	matlab	matlab	PROPN
fuen-51	98	13	's	's	PART
fuen-51	98	14	curve	curve	NOUN
fuen-51	98	15	-	-	PUNCT
fuen-51	98	16	fitting	fit	VERB
fuen-51	98	17	toolbox	toolbox	NOUN
fuen-51	98	18	with	with	ADP
fuen-51	98	19	95	95	NUM
fuen-51	98	20	%	%	NOUN
fuen-51	98	21	confidence	confidence	NOUN
fuen-51	98	22	bounds	bound	NOUN
fuen-51	98	23	(	(	PUNCT
fuen-51	98	24	linear	linear	ADJ
fuen-51	98	25	curve	curve	NOUN
fuen-51	98	26	-	-	PUNCT
fuen-51	98	27	fitting	fitting	ADJ
fuen-51	98	28	)	)	PUNCT
fuen-51	98	29	.	.	PUNCT
fuen-51	99	1	table	table	NOUN
fuen-51	99	2	3	3	NUM
fuen-51	99	3	.	.	PUNCT
fuen-51	100	1	slopes	slope	NOUN
fuen-51	100	2	of	of	ADP
fuen-51	100	3	linear	linear	ADJ
fuen-51	100	4	fitted	fit	VERB
fuen-51	100	5	curves	curve	NOUN
fuen-51	100	6	for	for	ADP
fuen-51	100	7	normalized	normalize	VERB
fuen-51	100	8	flame	flame	NOUN
fuen-51	100	9	lift	lift	NOUN
fuen-51	100	10	-	-	PUNCT
fuen-51	100	11	off	off	NOUN
fuen-51	100	12	and	and	CCONJ
fuen-51	100	13	angle	angle	VERB
fuen-51	100	14	swirl	swirl	ADJ
fuen-51	100	15	number	number	NOUN
fuen-51	100	16	,	,	PUNCT
fuen-51	100	17	𝑆𝑛	𝑆𝑛	PROPN
fuen-51	100	18	,	,	PUNCT
fuen-51	100	19	(	(	PUNCT
fuen-51	100	20	−	−	NOUN
fuen-51	100	21	)	)	PUNCT
fuen-51	100	22	𝐿𝑂/𝐷𝑠𝑤	𝐿𝑂/𝐷𝑠𝑤	NUM
fuen-51	100	23	versus	versus	ADP
fuen-51	100	24	fuel	fuel	NOUN
fuen-51	100	25	flow	flow	NOUN
fuen-51	100	26	rate	rate	NOUN
fuen-51	100	27	𝛼	𝛼	NOUN
fuen-51	100	28	versus	versus	ADP
fuen-51	100	29	fuel	fuel	NOUN
fuen-51	100	30	flow	flow	NOUN
fuen-51	100	31	rate	rate	NOUN
fuen-51	100	32	0.5	0.5	NUM
fuen-51	100	33	1.662	1.662	NUM
fuen-51	100	34	−290.2	−290.2	ADJ
fuen-51	100	35	0.6	0.6	NUM
fuen-51	100	36	2.123	2.123	NUM
fuen-51	100	37	−273.3	−273.3	PROPN
fuen-51	100	38	0.7	0.7	NUM
fuen-51	100	39	0.7077	0.7077	NUM
fuen-51	100	40	−189	−189	NOUN
fuen-51	100	41	figure	figure	NOUN
fuen-51	100	42	5	5	NUM
fuen-51	100	43	depicts	depict	VERB
fuen-51	100	44	the	the	DET
fuen-51	100	45	mean	mean	ADJ
fuen-51	100	46	flame	flame	NOUN
fuen-51	100	47	shape	shape	NOUN
fuen-51	100	48	(	(	PUNCT
fuen-51	100	49	mean	mean	NOUN
fuen-51	100	50	of	of	ADP
fuen-51	100	51	2000	2000	NUM
fuen-51	100	52	frames	frame	NOUN
fuen-51	100	53	for	for	ADP
fuen-51	100	54	each	each	DET
fuen-51	100	55	operating	operate	VERB
fuen-51	100	56	condition	condition	NOUN
fuen-51	100	57	)	)	PUNCT
fuen-51	100	58	and	and	CCONJ
fuen-51	100	59	its	its	PRON
fuen-51	100	60	normalized	normalize	VERB
fuen-51	100	61	intensity	intensity	NOUN
fuen-51	100	62	map	map	NOUN
fuen-51	100	63	as	as	ADP
fuen-51	100	64	a	a	DET
fuen-51	100	65	function	function	NOUN
fuen-51	100	66	of	of	ADP
fuen-51	100	67	the	the	DET
fuen-51	100	68	swirl	swirl	ADJ
fuen-51	100	69	number	number	NOUN
fuen-51	100	70	at	at	ADP
fuen-51	100	71	0.200	0.200	NUM
fuen-51	100	72	and	and	CCONJ
fuen-51	100	73	3	3	NUM
fuen-51	100	74	slpm	slpm	NOUN
fuen-51	100	75	methane	methane	NOUN
fuen-51	100	76	and	and	CCONJ
fuen-51	100	77	airflow	airflow	NOUN
fuen-51	100	78	rates	rate	NOUN
fuen-51	100	79	,	,	PUNCT
fuen-51	100	80	respectively	respectively	ADV
fuen-51	100	81	.	.	PUNCT
fuen-51	101	1	it	it	PRON
fuen-51	101	2	has	have	AUX
fuen-51	101	3	been	be	AUX
fuen-51	101	4	shown	show	VERB
fuen-51	101	5	that	that	SCONJ
fuen-51	101	6	the	the	DET
fuen-51	101	7	bottom	bottom	ADJ
fuen-51	101	8	section	section	NOUN
fuen-51	101	9	of	of	ADP
fuen-51	101	10	the	the	DET
fuen-51	101	11	flame	flame	NOUN
fuen-51	101	12	has	have	VERB
fuen-51	101	13	the	the	DET
fuen-51	101	14	greatest	great	ADJ
fuen-51	101	15	normalized	normalize	VERB
fuen-51	101	16	intensity	intensity	NOUN
fuen-51	101	17	value	value	NOUN
fuen-51	101	18	,	,	PUNCT
fuen-51	101	19	and	and	CCONJ
fuen-51	101	20	by	by	ADP
fuen-51	101	21	raising	raise	VERB
fuen-51	101	22	the	the	DET
fuen-51	101	23	swirl	swirl	ADJ
fuen-51	101	24	number	number	NOUN
fuen-51	101	25	,	,	PUNCT
fuen-51	101	26	this	this	DET
fuen-51	101	27	area	area	NOUN
fuen-51	101	28	expands	expand	VERB
fuen-51	101	29	radially	radially	ADV
fuen-51	101	30	,	,	PUNCT
fuen-51	101	31	the	the	DET
fuen-51	101	32	flame	flame	NOUN
fuen-51	101	33	's	's	PART
fuen-51	101	34	width	width	NOUN
fuen-51	101	35	grows	grow	VERB
fuen-51	101	36	,	,	PUNCT
fuen-51	101	37	and	and	CCONJ
fuen-51	101	38	its	its	PRON
fuen-51	101	39	length	length	NOUN
fuen-51	101	40	reduces	reduce	VERB
fuen-51	101	41	.	.	PUNCT
fuen-51	102	1	the	the	DET
fuen-51	102	2	mean	mean	ADJ
fuen-51	102	3	flame	flame	NOUN
fuen-51	102	4	contour	contour	NOUN
fuen-51	102	5	(	(	PUNCT
fuen-51	102	6	boundary	boundary	NOUN
fuen-51	102	7	)	)	PUNCT
fuen-51	102	8	is	be	AUX
fuen-51	102	9	obtained	obtain	VERB
fuen-51	102	10	after	after	ADP
fuen-51	102	11	applying	apply	VERB
fuen-51	102	12	the	the	DET
fuen-51	102	13	otsu	otsu	ADJ
fuen-51	102	14	threshold	threshold	NOUN
fuen-51	102	15	to	to	ADP
fuen-51	102	16	the	the	DET
fuen-51	102	17	grayscale	grayscale	NOUN
fuen-51	102	18	mean	mean	NOUN
fuen-51	102	19	flame	flame	NOUN
fuen-51	102	20	and	and	CCONJ
fuen-51	102	21	separating	separate	VERB
fuen-51	102	22	the	the	DET
fuen-51	102	23	foreground	foreground	NOUN
fuen-51	102	24	and	and	CCONJ
fuen-51	102	25	background	background	NOUN
fuen-51	102	26	.	.	PUNCT
fuen-51	103	1	the	the	DET
fuen-51	103	2	change	change	NOUN
fuen-51	103	3	of	of	ADP
fuen-51	103	4	flame	flame	NOUN
fuen-51	103	5	shape	shape	NOUN
fuen-51	103	6	with	with	ADP
fuen-51	103	7	airflow	airflow	NOUN
fuen-51	103	8	rate	rate	NOUN
fuen-51	103	9	at	at	ADP
fuen-51	103	10	a	a	DET
fuen-51	103	11	given	give	VERB
fuen-51	103	12	fuel	fuel	NOUN
fuen-51	103	13	flow	flow	NOUN
fuen-51	103	14	rate	rate	NOUN
fuen-51	103	15	of	of	ADP
fuen-51	103	16	0.200	0.200	NUM
fuen-51	103	17	slpm	slpm	NOUN
fuen-51	103	18	for	for	ADP
fuen-51	103	19	a	a	DET
fuen-51	103	20	30	30	NUM
fuen-51	103	21	°	°	PROPN
fuen-51	103	22	vane	vane	NOUN
fuen-51	103	23	angle	angle	NOUN
fuen-51	103	24	swirler	swirler	NOUN
fuen-51	103	25	(	(	PUNCT
fuen-51	103	26	s_n=0.5	s_n=0.5	NOUN
fuen-51	103	27	)	)	PUNCT
fuen-51	103	28	is	be	AUX
fuen-51	103	29	shown	show	VERB
fuen-51	103	30	in	in	ADP
fuen-51	103	31	figure	figure	NOUN
fuen-51	103	32	6	6	NUM
fuen-51	103	33	(	(	PUNCT
fuen-51	103	34	single	single	ADJ
fuen-51	103	35	frames	frame	NOUN
fuen-51	103	36	from	from	ADP
fuen-51	103	37	2000	2000	NUM
fuen-51	103	38	frames	frame	NOUN
fuen-51	103	39	of	of	ADP
fuen-51	103	40	each	each	DET
fuen-51	103	41	operating	operate	VERB
fuen-51	103	42	condition	condition	NOUN
fuen-51	103	43	is	be	AUX
fuen-51	103	44	presented	present	VERB
fuen-51	103	45	only	only	ADV
fuen-51	103	46	)	)	PUNCT
fuen-51	103	47	.	.	PUNCT
fuen-51	104	1	the	the	DET
fuen-51	104	2	following	follow	VERB
fuen-51	104	3	observations	observation	NOUN
fuen-51	104	4	can	can	AUX
fuen-51	104	5	be	be	AUX
fuen-51	104	6	made	make	VERB
fuen-51	104	7	:	:	PUNCT
fuen-51	104	8	flame	flame	ADJ
fuen-51	104	9	lift	lift	NOUN
fuen-51	104	10	-	-	PUNCT
fuen-51	104	11	off	off	NOUN
fuen-51	104	12	reveals	reveal	VERB
fuen-51	104	13	an	an	DET
fuen-51	104	14	increasing	increase	VERB
fuen-51	104	15	-	-	PUNCT
fuen-51	104	16	decreasing	decrease	VERB
fuen-51	104	17	trend	trend	NOUN
fuen-51	104	18	with	with	ADP
fuen-51	104	19	an	an	DET
fuen-51	104	20	increment	increment	NOUN
fuen-51	104	21	in	in	ADP
fuen-51	104	22	the	the	DET
fuen-51	104	23	airflow	airflow	NOUN
fuen-51	104	24	rate	rate	NOUN
fuen-51	104	25	,	,	PUNCT
fuen-51	104	26	and	and	CCONJ
fuen-51	104	27	the	the	DET
fuen-51	104	28	decreasing	decrease	VERB
fuen-51	104	29	section	section	NOUN
fuen-51	104	30	corresponds	correspond	VERB
fuen-51	104	31	to	to	ADP
fuen-51	104	32	improved	improved	ADJ
fuen-51	104	33	mixing	mixing	NOUN
fuen-51	104	34	of	of	ADP
fuen-51	104	35	fuel	fuel	NOUN
fuen-51	104	36	and	and	CCONJ
fuen-51	104	37	air	air	NOUN
fuen-51	104	38	because	because	SCONJ
fuen-51	104	39	swirl	swirl	NOUN
fuen-51	104	40	has	have	AUX
fuen-51	104	41	shown	show	VERB
fuen-51	104	42	its	its	PRON
fuen-51	104	43	effect	effect	NOUN
fuen-51	104	44	.	.	PUNCT
fuen-51	105	1	flame	flame	NOUN
fuen-51	105	2	length	length	NOUN
fuen-51	105	3	is	be	AUX
fuen-51	105	4	affected	affect	VERB
fuen-51	105	5	by	by	ADP
fuen-51	105	6	the	the	DET
fuen-51	105	7	airflow	airflow	NOUN
fuen-51	105	8	rate	rate	NOUN
fuen-51	105	9	increase	increase	NOUN
fuen-51	105	10	,	,	PUNCT
fuen-51	105	11	and	and	CCONJ
fuen-51	105	12	it	it	PRON
fuen-51	105	13	decreases	decrease	VERB
fuen-51	105	14	as	as	ADP
fuen-51	105	15	the	the	DET
fuen-51	105	16	airflow	airflow	NOUN
fuen-51	105	17	rate	rate	NOUN
fuen-51	105	18	increases	increase	NOUN
fuen-51	105	19	.	.	PUNCT
fuen-51	106	1	this	this	PRON
fuen-51	106	2	is	be	AUX
fuen-51	106	3	consistent	consistent	ADJ
fuen-51	106	4	with	with	ADP
fuen-51	106	5	the	the	DET
fuen-51	106	6	findings	finding	NOUN
fuen-51	106	7	in	in	ADP
fuen-51	106	8	[	[	X
fuen-51	106	9	26	26	NUM
fuen-51	106	10	]	]	PUNCT
fuen-51	106	11	.	.	PUNCT
fuen-51	107	1	for	for	ADP
fuen-51	107	2	swirling	swirl	VERB
fuen-51	107	3	flames	flame	NOUN
fuen-51	107	4	,	,	PUNCT
fuen-51	107	5	this	this	DET
fuen-51	107	6	tendency	tendency	NOUN
fuen-51	107	7	is	be	AUX
fuen-51	107	8	the	the	DET
fuen-51	107	9	consequence	consequence	NOUN
fuen-51	107	10	of	of	ADP
fuen-51	107	11	an	an	DET
fuen-51	107	12	increase	increase	NOUN
fuen-51	107	13	in	in	ADP
fuen-51	107	14	turbulence	turbulence	NOUN
fuen-51	107	15	intensity	intensity	NOUN
fuen-51	107	16	with	with	ADP
fuen-51	107	17	an	an	DET
fuen-51	107	18	increase	increase	NOUN
fuen-51	107	19	in	in	ADP
fuen-51	107	20	airflow	airflow	NOUN
fuen-51	107	21	rate	rate	NOUN
fuen-51	107	22	,	,	PUNCT
fuen-51	107	23	which	which	PRON
fuen-51	107	24	enhances	enhance	VERB
fuen-51	107	25	fuel	fuel	NOUN
fuen-51	107	26	-	-	PUNCT
fuen-51	107	27	air	air	NOUN
fuen-51	107	28	mixing	mixing	NOUN
fuen-51	107	29	and	and	CCONJ
fuen-51	107	30	reduces	reduce	VERB
fuen-51	107	31	flame	flame	NOUN
fuen-51	107	32	length	length	NOUN
fuen-51	107	33	.	.	PUNCT
fuen-51	108	1	at	at	ADP
fuen-51	108	2	airflow	airflow	NOUN
fuen-51	108	3	rates	rate	NOUN
fuen-51	108	4	,	,	PUNCT
fuen-51	108	5	when	when	SCONJ
fuen-51	108	6	flame	flame	NOUN
fuen-51	108	7	lift	lift	NOUN
fuen-51	108	8	-	-	PUNCT
fuen-51	108	9	off	off	NOUN
fuen-51	108	10	has	have	VERB
fuen-51	108	11	a	a	DET
fuen-51	108	12	declining	decline	VERB
fuen-51	108	13	trend	trend	NOUN
fuen-51	108	14	,	,	PUNCT
fuen-51	108	15	flame	flame	NOUN
fuen-51	108	16	width	width	NOUN
fuen-51	108	17	reduces	reduce	VERB
fuen-51	108	18	as	as	ADP
fuen-51	108	19	airflow	airflow	NOUN
fuen-51	108	20	rate	rate	NOUN
fuen-51	108	21	increases	increase	NOUN
fuen-51	108	22	.	.	PUNCT
fuen-51	109	1	this	this	PRON
fuen-51	109	2	may	may	AUX
fuen-51	109	3	be	be	AUX
fuen-51	109	4	described	describe	VERB
fuen-51	109	5	as	as	SCONJ
fuen-51	109	6	follows	follow	VERB
fuen-51	109	7	:	:	PUNCT
fuen-51	109	8	when	when	SCONJ
fuen-51	109	9	the	the	DET
fuen-51	109	10	swirl	swirl	NOUN
fuen-51	109	11	exerts	exert	VERB
fuen-51	109	12	its	its	PRON
fuen-51	109	13	impact	impact	NOUN
fuen-51	109	14	,	,	PUNCT
fuen-51	109	15	a	a	DET
fuen-51	109	16	recirculation	recirculation	NOUN
fuen-51	109	17	zone	zone	NOUN
fuen-51	109	18	is	be	AUX
fuen-51	109	19	created	create	VERB
fuen-51	109	20	,	,	PUNCT
fuen-51	109	21	which	which	PRON
fuen-51	109	22	recirculates	recirculate	VERB
fuen-51	109	23	fuel	fuel	NOUN
fuen-51	109	24	and	and	CCONJ
fuen-51	109	25	air	air	NOUN
fuen-51	109	26	,	,	PUNCT
fuen-51	109	27	so	so	ADV
fuen-51	109	28	decreasing	decrease	VERB
fuen-51	109	29	the	the	DET
fuen-51	109	30	flame	flame	NOUN
fuen-51	109	31	width	width	NOUN
fuen-51	109	32	.	.	PUNCT
fuen-51	110	1	these	these	DET
fuen-51	110	2	findings	finding	NOUN
fuen-51	110	3	are	be	AUX
fuen-51	110	4	similar	similar	ADJ
fuen-51	110	5	to	to	ADP
fuen-51	110	6	other	other	ADJ
fuen-51	110	7	swirl	swirl	ADJ
fuen-51	110	8	numbers	number	NOUN
fuen-51	110	9	and	and	CCONJ
fuen-51	110	10	operating	operating	NOUN
fuen-51	110	11	conditions	condition	NOUN
fuen-51	110	12	investigated	investigate	VERB
fuen-51	110	13	in	in	ADP
fuen-51	110	14	this	this	DET
fuen-51	110	15	research	research	NOUN
fuen-51	110	16	(	(	PUNCT
fuen-51	110	17	table	table	NOUN
fuen-51	110	18	2	2	NUM
fuen-51	110	19	)	)	PUNCT
fuen-51	110	20	.	.	PUNCT
fuen-51	111	1	in	in	ADP
fuen-51	111	2	this	this	DET
fuen-51	111	3	investigation	investigation	NOUN
fuen-51	111	4	,	,	PUNCT
fuen-51	111	5	the	the	DET
fuen-51	111	6	flame	flame	NOUN
fuen-51	111	7	's	's	PART
fuen-51	111	8	center	center	NOUN
fuen-51	111	9	of	of	ADP
fuen-51	111	10	gravity	gravity	NOUN
fuen-51	111	11	as	as	ADV
fuen-51	111	12	well	well	ADV
fuen-51	111	13	as	as	ADP
fuen-51	111	14	its	its	PRON
fuen-51	111	15	length	length	NOUN
fuen-51	111	16	and	and	CCONJ
fuen-51	111	17	width	width	NOUN
fuen-51	111	18	,	,	PUNCT
fuen-51	111	19	are	be	AUX
fuen-51	111	20	used	use	VERB
fuen-51	111	21	to	to	PART
fuen-51	111	22	examine	examine	VERB
fuen-51	111	23	flame	flame	NOUN
fuen-51	111	24	fluctuations	fluctuation	NOUN
fuen-51	111	25	(	(	PUNCT
fuen-51	111	26	pulsating	pulsate	VERB
fuen-51	111	27	displacements	displacement	NOUN
fuen-51	111	28	)	)	PUNCT
fuen-51	111	29	.	.	PUNCT
fuen-51	112	1	the	the	DET
fuen-51	112	2	flame	flame	PROPN
fuen-51	112	3	center	center	NOUN
fuen-51	112	4	is	be	AUX
fuen-51	112	5	used	use	VERB
fuen-51	112	6	to	to	PART
fuen-51	112	7	determine	determine	VERB
fuen-51	112	8	the	the	DET
fuen-51	112	9	position	position	NOUN
fuen-51	112	10	of	of	ADP
fuen-51	112	11	the	the	DET
fuen-51	112	12	flame	flame	NOUN
fuen-51	112	13	as	as	ADP
fuen-51	112	14	a	a	DET
fuen-51	112	15	point	point	NOUN
fuen-51	112	16	utilizing	utilize	VERB
fuen-51	112	17	the	the	DET
fuen-51	112	18	center	center	NOUN
fuen-51	112	19	of	of	ADP
fuen-51	112	20	gravity	gravity	NOUN
fuen-51	112	21	concept	concept	NOUN
fuen-51	112	22	(	(	PUNCT
fuen-51	112	23	mass	mass	ADJ
fuen-51	112	24	center	center	NOUN
fuen-51	112	25	in	in	ADP
fuen-51	112	26	this	this	DET
fuen-51	112	27	case	case	NOUN
fuen-51	112	28	)	)	PUNCT
fuen-51	112	29	.	.	PUNCT
fuen-51	113	1	each	each	DET
fuen-51	113	2	pixel	pixel	PROPN
fuen-51	113	3	serves	serve	VERB
fuen-51	113	4	as	as	ADP
fuen-51	113	5	a	a	DET
fuen-51	113	6	local	local	ADJ
fuen-51	113	7	point	point	NOUN
fuen-51	113	8	for	for	ADP
fuen-51	113	9	calculating	calculate	VERB
fuen-51	113	10	the	the	DET
fuen-51	113	11	mass	mass	ADJ
fuen-51	113	12	center	center	NOUN
fuen-51	113	13	,	,	PUNCT
fuen-51	113	14	and	and	CCONJ
fuen-51	113	15	the	the	DET
fuen-51	113	16	intensity	intensity	NOUN
fuen-51	113	17	of	of	ADP
fuen-51	113	18	each	each	DET
fuen-51	113	19	pixel	pixel	NOUN
fuen-51	113	20	represents	represent	VERB
fuen-51	113	21	its	its	PRON
fuen-51	113	22	mass	mass	NOUN
fuen-51	113	23	[	[	X
fuen-51	113	24	27	27	NUM
fuen-51	113	25	]	]	PUNCT
fuen-51	113	26	.	.	PUNCT
fuen-51	114	1	to	to	PART
fuen-51	114	2	obtain	obtain	VERB
fuen-51	114	3	flame	flame	NOUN
fuen-51	114	4	fluctuations	fluctuation	NOUN
fuen-51	114	5	,	,	PUNCT
fuen-51	114	6	the	the	DET
fuen-51	114	7	otsu	otsu	NOUN
fuen-51	114	8	threshold	threshold	NOUN
fuen-51	114	9	is	be	AUX
fuen-51	114	10	used	use	VERB
fuen-51	114	11	to	to	PART
fuen-51	114	12	generate	generate	VERB
fuen-51	114	13	binarized	binarized	ADJ
fuen-51	114	14	images	image	NOUN
fuen-51	114	15	of	of	ADP
fuen-51	114	16	2000	2000	NUM
fuen-51	114	17	frames	frame	NOUN
fuen-51	114	18	for	for	ADP
fuen-51	114	19	each	each	DET
fuen-51	114	20	operating	operate	VERB
fuen-51	114	21	condition	condition	NOUN
fuen-51	114	22	(	(	PUNCT
fuen-51	114	23	boundaries	boundary	NOUN
fuen-51	114	24	of	of	ADP
fuen-51	114	25	all	all	DET
fuen-51	114	26	2000	2000	NUM
fuen-51	114	27	frames	frame	NOUN
fuen-51	114	28	are	be	AUX
fuen-51	114	29	shown	show	VERB
fuen-51	114	30	simultaneously	simultaneously	ADV
fuen-51	114	31	in	in	ADP
fuen-51	114	32	figure	figure	NOUN
fuen-51	114	33	7	7	NUM
fuen-51	114	34	for	for	ADP
fuen-51	114	35	methane	methane	NOUN
fuen-51	114	36	and	and	CCONJ
fuen-51	114	37	airflow	airflow	NOUN
fuen-51	114	38	rates	rate	NOUN
fuen-51	114	39	of	of	ADP
fuen-51	114	40	0.200	0.200	NUM
fuen-51	114	41	and	and	CCONJ
fuen-51	114	42	3	3	NUM
fuen-51	114	43	𝑠𝑙𝑝𝑚	𝑠𝑙𝑝𝑚	NOUN
fuen-51	114	44	,	,	PUNCT
fuen-51	114	45	respectively	respectively	ADV
fuen-51	114	46	)	)	PUNCT
fuen-51	114	47	.	.	PUNCT
fuen-51	115	1	the	the	DET
fuen-51	115	2	mean	mean	ADJ
fuen-51	115	3	center	center	NOUN
fuen-51	115	4	of	of	ADP
fuen-51	115	5	gravity	gravity	NOUN
fuen-51	115	6	(	(	PUNCT
fuen-51	115	7	𝑥𝐶𝐺,𝑚𝑒𝑎𝑛	𝑥𝐶𝐺,𝑚𝑒𝑎𝑛	PROPN
fuen-51	115	8	,	,	PUNCT
fuen-51	115	9	𝑦𝐶𝐺,𝑚𝑒𝑎𝑛	𝑦𝐶𝐺,𝑚𝑒𝑎𝑛	PROPN
fuen-51	115	10	)	)	PUNCT
fuen-51	115	11	,	,	PUNCT
fuen-51	115	12	length	length	NOUN
fuen-51	115	13	(	(	PUNCT
fuen-51	115	14	𝐿𝑚𝑒𝑎𝑛	𝐿𝑚𝑒𝑎𝑛	PROPN
fuen-51	115	15	)	)	PUNCT
fuen-51	115	16	,	,	PUNCT
fuen-51	115	17	and	and	CCONJ
fuen-51	115	18	width	width	ADJ
fuen-51	115	19	(	(	PUNCT
fuen-51	115	20	𝑊𝑚𝑒𝑎𝑛	𝑊𝑚𝑒𝑎𝑛	PROPN
fuen-51	115	21	)	)	PUNCT
fuen-51	115	22	are	be	AUX
fuen-51	115	23	determined	determine	VERB
fuen-51	115	24	;	;	PUNCT
fuen-51	115	25	then	then	ADV
fuen-51	115	26	,	,	PUNCT
fuen-51	115	27	the	the	DET
fuen-51	115	28	standard	standard	ADJ
fuen-51	115	29	deviation	deviation	NOUN
fuen-51	115	30	is	be	AUX
fuen-51	115	31	then	then	ADV
fuen-51	115	32	used	use	VERB
fuen-51	115	33	to	to	PART
fuen-51	115	34	calculate	calculate	VERB
fuen-51	115	35	the	the	DET
fuen-51	115	36	flame	flame	NOUN
fuen-51	115	37	's	's	PART
fuen-51	115	38	pulsating	pulsate	VERB
fuen-51	115	39	displacement	displacement	NOUN
fuen-51	115	40	in	in	ADP
fuen-51	115	41	terms	term	NOUN
fuen-51	115	42	of	of	ADP
fuen-51	115	43	the	the	DET
fuen-51	115	44	flame	flame	NOUN
fuen-51	115	45	's	's	PART
fuen-51	115	46	center	center	NOUN
fuen-51	115	47	of	of	ADP
fuen-51	115	48	gravity	gravity	NOUN
fuen-51	115	49	,	,	PUNCT
fuen-51	115	50	length	length	NOUN
fuen-51	115	51	,	,	PUNCT
fuen-51	115	52	and	and	CCONJ
fuen-51	115	53	width	width	VERB
fuen-51	115	54	[	[	X
fuen-51	115	55	28	28	NUM
fuen-51	115	56	]	]	X
fuen-51	115	57	:	:	PUNCT
fuen-51	116	1	𝛿𝐶𝐺	𝛿𝐶𝐺	PROPN
fuen-51	116	2	=	=	PUNCT
fuen-51	116	3	√	√	INTJ
fuen-51	116	4	∑	∑	PROPN
fuen-51	116	5	[	[	X
fuen-51	116	6	(	(	PUNCT
fuen-51	116	7	𝑥𝐶𝐺,𝑖−𝑥𝐶𝐺,𝑚𝑒𝑎𝑛	𝑥𝐶𝐺,𝑖−𝑥𝐶𝐺,𝑚𝑒𝑎𝑛	NOUN
fuen-51	116	8	)	)	PUNCT
fuen-51	116	9	2	2	NUM
fuen-51	116	10	+	+	ADJ
fuen-51	116	11	(	(	PUNCT
fuen-51	116	12	𝑦𝐶𝐺,𝑖−𝑥𝐶𝐺,𝑚𝑒𝑎𝑛	𝑦𝐶𝐺,𝑖−𝑥𝐶𝐺,𝑚𝑒𝑎𝑛	NOUN
fuen-51	116	13	)	)	PUNCT
fuen-51	116	14	2	2	NUM
fuen-51	116	15	]	]	SYM
fuen-51	116	16	2000	2000	NUM
fuen-51	116	17	𝑖=	𝑖=	NOUN
fuen-51	116	18	1	1	NUM
fuen-51	116	19	2000	2000	NUM
fuen-51	116	20	(	(	PUNCT
fuen-51	116	21	3	3	X
fuen-51	116	22	)	)	PUNCT
fuen-51	116	23	figure	figure	NOUN
fuen-51	116	24	3	3	NUM
fuen-51	116	25	.	.	PUNCT
fuen-51	116	26	definitions	definition	NOUN
fuen-51	116	27	of	of	ADP
fuen-51	116	28	flame	flame	NOUN
fuen-51	116	29	length	length	NOUN
fuen-51	116	30	,	,	PUNCT
fuen-51	116	31	lift	lift	NOUN
fuen-51	116	32	-	-	PUNCT
fuen-51	116	33	off	off	ADP
fuen-51	116	34	height	height	NOUN
fuen-51	116	35	,	,	PUNCT
fuen-51	116	36	maximum	maximum	ADJ
fuen-51	116	37	width	width	NOUN
fuen-51	116	38	,	,	PUNCT
fuen-51	116	39	and	and	CCONJ
fuen-51	116	40	angle	angle	NOUN
fuen-51	116	41	s.	s.	PROPN
fuen-51	116	42	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	116	43	/	/	SYM
fuen-51	116	44	future	future	ADJ
fuen-51	116	45	energy	energy	NOUN
fuen-51	116	46	february	february	PROPN
fuen-51	116	47	2023|	2023|	NUM
fuen-51	116	48	volume	volume	NOUN
fuen-51	116	49	02	02	NUM
fuen-51	116	50	|	|	NOUN
fuen-51	116	51	issue	issue	NOUN
fuen-51	116	52	01	01	NUM
fuen-51	117	1	|	|	NOUN
fuen-51	117	2	pages	page	VERB
fuen-51	117	3	27	27	NUM
fuen-51	117	4	-	-	SYM
fuen-51	117	5	37	37	NUM
fuen-51	117	6	32	32	NUM
fuen-51	117	7	(	(	PUNCT
fuen-51	117	8	a	a	NOUN
fuen-51	117	9	)	)	PUNCT
fuen-51	117	10	(	(	PUNCT
fuen-51	117	11	b	b	X
fuen-51	117	12	)	)	PUNCT
fuen-51	117	13	(	(	PUNCT
fuen-51	117	14	c	c	X
fuen-51	117	15	)	)	PUNCT
fuen-51	117	16	(	(	PUNCT
fuen-51	117	17	d	d	X
fuen-51	117	18	)	)	PUNCT
fuen-51	117	19	figure	figure	NOUN
fuen-51	117	20	4	4	NUM
fuen-51	117	21	.	.	PUNCT
fuen-51	117	22	normalized	normalize	VERB
fuen-51	117	23	(	(	PUNCT
fuen-51	117	24	a	a	X
fuen-51	117	25	)	)	PUNCT
fuen-51	117	26	flame	flame	NOUN
fuen-51	117	27	length	length	NOUN
fuen-51	117	28	,	,	PUNCT
fuen-51	117	29	(	(	PUNCT
fuen-51	117	30	b	b	X
fuen-51	117	31	)	)	PUNCT
fuen-51	117	32	lift	lift	NOUN
fuen-51	117	33	-	-	PUNCT
fuen-51	117	34	off	off	NOUN
fuen-51	117	35	,	,	PUNCT
fuen-51	117	36	(	(	PUNCT
fuen-51	117	37	c	c	NOUN
fuen-51	117	38	)	)	PUNCT
fuen-51	117	39	width	width	NOUN
fuen-51	117	40	,	,	PUNCT
fuen-51	117	41	(	(	PUNCT
fuen-51	117	42	d	d	X
fuen-51	117	43	)	)	PUNCT
fuen-51	117	44	angle	angle	NOUN
fuen-51	117	45	as	as	ADP
fuen-51	117	46	a	a	DET
fuen-51	117	47	function	function	NOUN
fuen-51	117	48	of	of	ADP
fuen-51	117	49	swirl	swirl	ADJ
fuen-51	117	50	number	number	NOUN
fuen-51	117	51	𝛿𝐿	𝛿𝐿	NOUN
fuen-51	117	52	=	=	PUNCT
fuen-51	117	53	√	√	PROPN
fuen-51	117	54	∑	∑	PROPN
fuen-51	117	55	(	(	PUNCT
fuen-51	117	56	𝐿𝑖−𝐿𝑚𝑒𝑎𝑛)22000	𝐿𝑖−𝐿𝑚𝑒𝑎𝑛)22000	PROPN
fuen-51	117	57	𝑖=	𝑖=	NOUN
fuen-51	117	58	1	1	NUM
fuen-51	117	59	2000	2000	NUM
fuen-51	117	60	(	(	PUNCT
fuen-51	117	61	4	4	X
fuen-51	117	62	)	)	PUNCT
fuen-51	117	63	𝛿𝑊	𝛿𝑊	NOUN
fuen-51	118	1	=	=	PUNCT
fuen-51	118	2	√	√	INTJ
fuen-51	118	3	∑	∑	INTJ
fuen-51	118	4	(	(	PUNCT
fuen-51	118	5	𝑊𝑖−𝑊𝑚𝑒𝑎𝑛)22000	𝑊𝑖−𝑊𝑚𝑒𝑎𝑛)22000	PROPN
fuen-51	118	6	𝑖=	𝑖=	NOUN
fuen-51	118	7	1	1	NUM
fuen-51	118	8	2000	2000	NUM
fuen-51	118	9	(	(	PUNCT
fuen-51	118	10	5	5	NUM
fuen-51	118	11	)	)	PUNCT
fuen-51	118	12	where	where	SCONJ
fuen-51	118	13	𝐿𝑖	𝐿𝑖	NOUN
fuen-51	118	14	and	and	CCONJ
fuen-51	118	15	𝑊𝑖	𝑊𝑖	PROPN
fuen-51	118	16	stand	stand	VERB
fuen-51	118	17	for	for	ADP
fuen-51	118	18	the	the	DET
fuen-51	118	19	length	length	NOUN
fuen-51	118	20	and	and	CCONJ
fuen-51	118	21	maximum	maximum	ADJ
fuen-51	118	22	width	width	NOUN
fuen-51	118	23	of	of	ADP
fuen-51	118	24	the	the	DET
fuen-51	118	25	𝑖𝑡ℎ	𝑖𝑡ℎ	NOUN
fuen-51	118	26	frame	frame	NOUN
fuen-51	118	27	,	,	PUNCT
fuen-51	118	28	respectively	respectively	ADV
fuen-51	118	29	and	and	CCONJ
fuen-51	118	30	𝑥𝐶𝐺,𝑖	𝑥𝐶𝐺,𝑖	PRON
fuen-51	118	31	and	and	CCONJ
fuen-51	118	32	𝑦𝐶𝐺,𝑖	𝑦𝐶𝐺,𝑖	PROPN
fuen-51	118	33	are	be	AUX
fuen-51	118	34	the	the	DET
fuen-51	118	35	𝑥	𝑥	PROPN
fuen-51	118	36	and	and	CCONJ
fuen-51	118	37	𝑦	𝑦	NOUN
fuen-51	118	38	coordinates	coordinate	NOUN
fuen-51	118	39	of	of	ADP
fuen-51	118	40	the	the	DET
fuen-51	118	41	𝑖𝑡ℎ	𝑖𝑡ℎ	NOUN
fuen-51	118	42	frame	frame	NOUN
fuen-51	118	43	’s	’s	PART
fuen-51	118	44	center	center	NOUN
fuen-51	118	45	of	of	ADP
fuen-51	118	46	gravity	gravity	NOUN
fuen-51	118	47	.	.	PUNCT
fuen-51	119	1	figure	figure	NOUN
fuen-51	119	2	5	5	NUM
fuen-51	119	3	.	.	PUNCT
fuen-51	120	1	flame	flame	PROPN
fuen-51	120	2	existence	existence	NOUN
fuen-51	120	3	probability	probability	NOUN
fuen-51	120	4	,	,	PUNCT
fuen-51	120	5	mean	mean	ADJ
fuen-51	120	6	flame	flame	NOUN
fuen-51	120	7	,	,	PUNCT
fuen-51	120	8	its	its	PRON
fuen-51	120	9	normalized	normalize	VERB
fuen-51	120	10	intensity	intensity	NOUN
fuen-51	120	11	map	map	NOUN
fuen-51	120	12	,	,	PUNCT
fuen-51	120	13	and	and	CCONJ
fuen-51	120	14	its	its	PRON
fuen-51	120	15	otsu	otsu	ADJ
fuen-51	120	16	threshold	threshold	NOUN
fuen-51	120	17	versus	versus	ADP
fuen-51	120	18	swirl	swirl	ADJ
fuen-51	120	19	number	number	NOUN
fuen-51	120	20	at	at	ADP
fuen-51	120	21	fuel	fuel	NOUN
fuen-51	120	22	and	and	CCONJ
fuen-51	120	23	airflow	airflow	NOUN
fuen-51	120	24	rates	rate	NOUN
fuen-51	120	25	of	of	ADP
fuen-51	120	26	0.200	0.200	NUM
fuen-51	120	27	and	and	CCONJ
fuen-51	120	28	3	3	NUM
fuen-51	120	29	slpm	slpm	NOUN
fuen-51	120	30	,	,	PUNCT
fuen-51	120	31	respectively	respectively	ADV
fuen-51	120	32	figure	figure	VERB
fuen-51	120	33	6	6	NUM
fuen-51	120	34	.	.	PUNCT
fuen-51	121	1	the	the	DET
fuen-51	121	2	change	change	NOUN
fuen-51	121	3	of	of	ADP
fuen-51	121	4	flame	flame	NOUN
fuen-51	121	5	shape	shape	NOUN
fuen-51	121	6	with	with	ADP
fuen-51	121	7	airflow	airflow	NOUN
fuen-51	121	8	rate	rate	NOUN
fuen-51	121	9	at	at	ADP
fuen-51	121	10	a	a	DET
fuen-51	121	11	given	give	VERB
fuen-51	121	12	fuel	fuel	NOUN
fuen-51	121	13	flow	flow	NOUN
fuen-51	121	14	rate	rate	NOUN
fuen-51	121	15	of	of	ADP
fuen-51	121	16	0.200	0.200	NUM
fuen-51	121	17	slpm	slpm	NOUN
fuen-51	121	18	for	for	ADP
fuen-51	121	19	a	a	DET
fuen-51	121	20	30	30	NUM
fuen-51	121	21	°	°	PROPN
fuen-51	121	22	vane	vane	NOUN
fuen-51	121	23	angle	angle	NOUN
fuen-51	121	24	swirler	swirler	NOUN
fuen-51	121	25	(	(	PUNCT
fuen-51	121	26	sn	sn	NOUN
fuen-51	121	27	=	=	NUM
fuen-51	121	28	0.5	0.5	NUM
fuen-51	121	29	)	)	PUNCT
fuen-51	121	30	s.	s.	PROPN
fuen-51	121	31	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	121	32	/	/	SYM
fuen-51	121	33	future	future	ADJ
fuen-51	121	34	energy	energy	NOUN
fuen-51	121	35	february	february	PROPN
fuen-51	121	36	2023|	2023|	NUM
fuen-51	121	37	volume	volume	NOUN
fuen-51	121	38	02	02	NUM
fuen-51	121	39	|	|	NOUN
fuen-51	121	40	issue	issue	NOUN
fuen-51	121	41	01	01	NUM
fuen-51	122	1	|	|	NOUN
fuen-51	122	2	pages	page	VERB
fuen-51	122	3	27	27	NUM
fuen-51	122	4	-	-	SYM
fuen-51	122	5	37	37	NUM
fuen-51	122	6	33	33	NUM
fuen-51	122	7	figure	figure	NOUN
fuen-51	122	8	7	7	NUM
fuen-51	122	9	.	.	PUNCT
fuen-51	122	10	fluctuations	fluctuation	NOUN
fuen-51	122	11	of	of	ADP
fuen-51	122	12	flame	flame	NOUN
fuen-51	122	13	boundary	boundary	ADJ
fuen-51	122	14	for	for	ADP
fuen-51	122	15	methane	methane	NOUN
fuen-51	122	16	and	and	CCONJ
fuen-51	122	17	airflow	airflow	NOUN
fuen-51	122	18	rates	rate	NOUN
fuen-51	122	19	of	of	ADP
fuen-51	122	20	0.200	0.200	NUM
fuen-51	122	21	and	and	CCONJ
fuen-51	122	22	3	3	NUM
fuen-51	122	23	slpm	slpm	NOUN
fuen-51	122	24	under	under	ADP
fuen-51	122	25	three	three	NUM
fuen-51	122	26	swirl	swirl	ADJ
fuen-51	122	27	numbers	number	NOUN
fuen-51	122	28	(	(	PUNCT
fuen-51	122	29	obtained	obtain	VERB
fuen-51	122	30	from	from	ADP
fuen-51	122	31	2000	2000	NUM
fuen-51	122	32	frames	frame	NOUN
fuen-51	122	33	for	for	ADP
fuen-51	122	34	each	each	DET
fuen-51	122	35	experimental	experimental	ADJ
fuen-51	122	36	condition	condition	NOUN
fuen-51	122	37	)	)	PUNCT
fuen-51	122	38	figure	figure	NOUN
fuen-51	122	39	1	1	NUM
fuen-51	122	40	in	in	ADP
fuen-51	122	41	appendix	appendix	NOUN
fuen-51	122	42	i	i	PRON
fuen-51	122	43	shows	show	VERB
fuen-51	122	44	the	the	DET
fuen-51	122	45	flame	flame	NOUN
fuen-51	122	46	length	length	NOUN
fuen-51	122	47	and	and	CCONJ
fuen-51	122	48	width	width	ADJ
fuen-51	122	49	difference	difference	NOUN
fuen-51	122	50	(	(	PUNCT
fuen-51	122	51	𝐿𝑑𝑖𝑓𝑓	𝐿𝑑𝑖𝑓𝑓	PROPN
fuen-51	122	52	=	=	SYM
fuen-51	122	53	|𝐿𝑖	|𝐿𝑖	PROPN
fuen-51	122	54	−	−	PROPN
fuen-51	122	55	𝐿𝑚𝑒𝑎𝑛|	𝐿𝑚𝑒𝑎𝑛|	NOUN
fuen-51	122	56	,	,	PUNCT
fuen-51	122	57	𝑊𝑑𝑖𝑓𝑓	𝑊𝑑𝑖𝑓𝑓	PROPN
fuen-51	122	58	=	=	SYM
fuen-51	122	59	|𝑊𝑖	|𝑊𝑖	VERB
fuen-51	122	60	−	−	NOUN
fuen-51	122	61	𝑊𝑚𝑒𝑎𝑛|	𝑊𝑚𝑒𝑎𝑛|	ADV
fuen-51	122	62	)	)	PUNCT
fuen-51	122	63	over	over	ADP
fuen-51	122	64	time	time	NOUN
fuen-51	122	65	spanning	span	VERB
fuen-51	122	66	from	from	ADP
fuen-51	122	67	0	0	NUM
fuen-51	122	68	to	to	PART
fuen-51	122	69	5	5	NUM
fuen-51	122	70	𝑠.	𝑠.	NOUN
fuen-51	122	71	observations	observation	NOUN
fuen-51	122	72	reveal	reveal	VERB
fuen-51	122	73	that	that	SCONJ
fuen-51	122	74	when	when	SCONJ
fuen-51	122	75	the	the	DET
fuen-51	122	76	swirl	swirl	ADJ
fuen-51	122	77	number	number	NOUN
fuen-51	122	78	rises	rise	VERB
fuen-51	122	79	,	,	PUNCT
fuen-51	122	80	the	the	DET
fuen-51	122	81	peak	peak	NOUN
fuen-51	122	82	values	value	NOUN
fuen-51	122	83	for	for	ADP
fuen-51	122	84	flame	flame	NOUN
fuen-51	122	85	length	length	NOUN
fuen-51	122	86	and	and	CCONJ
fuen-51	122	87	width	width	ADJ
fuen-51	122	88	differences	difference	NOUN
fuen-51	122	89	shift	shift	VERB
fuen-51	122	90	to	to	ADP
fuen-51	122	91	lower	low	ADJ
fuen-51	122	92	and	and	CCONJ
fuen-51	122	93	higher	high	ADJ
fuen-51	122	94	values	value	NOUN
fuen-51	122	95	,	,	PUNCT
fuen-51	122	96	respectively	respectively	ADV
fuen-51	122	97	.	.	PUNCT
fuen-51	123	1	on	on	ADP
fuen-51	123	2	each	each	DET
fuen-51	123	3	figure	figure	NOUN
fuen-51	123	4	,	,	PUNCT
fuen-51	123	5	the	the	DET
fuen-51	123	6	mean	mean	ADJ
fuen-51	123	7	values	value	NOUN
fuen-51	123	8	of	of	ADP
fuen-51	123	9	these	these	DET
fuen-51	123	10	differences	difference	NOUN
fuen-51	123	11	are	be	AUX
fuen-51	123	12	also	also	ADV
fuen-51	123	13	displayed	display	VERB
fuen-51	123	14	(	(	PUNCT
fuen-51	123	15	𝐿𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	𝐿𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	NOUN
fuen-51	123	16	and	and	CCONJ
fuen-51	123	17	𝑊𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	𝑊𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	NOUN
fuen-51	123	18	)	)	PUNCT
fuen-51	123	19	.	.	PUNCT
fuen-51	124	1	it	it	PRON
fuen-51	124	2	is	be	AUX
fuen-51	124	3	observed	observe	VERB
fuen-51	124	4	that	that	SCONJ
fuen-51	124	5	as	as	SCONJ
fuen-51	124	6	the	the	DET
fuen-51	124	7	swirl	swirl	ADJ
fuen-51	124	8	number	number	NOUN
fuen-51	124	9	is	be	AUX
fuen-51	124	10	increased	increase	VERB
fuen-51	124	11	,	,	PUNCT
fuen-51	124	12	𝐿𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	𝐿𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	PROPN
fuen-51	124	13	and	and	CCONJ
fuen-51	124	14	𝑊𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	𝑊𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	VERB
fuen-51	124	15	show	show	VERB
fuen-51	124	16	a	a	DET
fuen-51	124	17	decreasing	decrease	VERB
fuen-51	124	18	and	and	CCONJ
fuen-51	124	19	increasing	increase	VERB
fuen-51	124	20	trend	trend	NOUN
fuen-51	124	21	,	,	PUNCT
fuen-51	124	22	respectively	respectively	ADV
fuen-51	124	23	.	.	PUNCT
fuen-51	125	1	this	this	PRON
fuen-51	125	2	is	be	AUX
fuen-51	125	3	presented	present	VERB
fuen-51	125	4	quantitatively	quantitatively	ADV
fuen-51	125	5	in	in	ADP
fuen-51	125	6	figure	figure	NOUN
fuen-51	125	7	2	2	NUM
fuen-51	125	8	in	in	ADP
fuen-51	125	9	appendix	appendix	ADJ
fuen-51	125	10	i.	i.	NOUN
fuen-51	125	11	it	it	PRON
fuen-51	125	12	is	be	AUX
fuen-51	125	13	also	also	ADV
fuen-51	125	14	noted	note	VERB
fuen-51	125	15	from	from	ADP
fuen-51	125	16	figure	figure	NOUN
fuen-51	125	17	2	2	NUM
fuen-51	125	18	in	in	ADP
fuen-51	125	19	appendix	appendix	NOUN
fuen-51	125	20	i	i	PRON
fuen-51	125	21	that	that	SCONJ
fuen-51	125	22	these	these	DET
fuen-51	125	23	values	value	NOUN
fuen-51	125	24	(	(	PUNCT
fuen-51	125	25	𝐿𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	𝐿𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	NOUN
fuen-51	125	26	and	and	CCONJ
fuen-51	125	27	𝑊𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	𝑊𝑑𝑖𝑓𝑓,𝑚𝑒𝑎𝑛	NOUN
fuen-51	125	28	)	)	PUNCT
fuen-51	125	29	rise	rise	VERB
fuen-51	125	30	when	when	SCONJ
fuen-51	125	31	the	the	DET
fuen-51	125	32	fuel	fuel	NOUN
fuen-51	125	33	flow	flow	NOUN
fuen-51	125	34	rate	rate	NOUN
fuen-51	125	35	increases	increase	NOUN
fuen-51	125	36	.	.	PUNCT
fuen-51	126	1	the	the	DET
fuen-51	126	2	changes	change	NOUN
fuen-51	126	3	of	of	ADP
fuen-51	126	4	𝛿𝐶𝐺	𝛿𝐶𝐺	PROPN
fuen-51	126	5	,	,	PUNCT
fuen-51	126	6	𝛿𝐿	𝛿𝐿	NOUN
fuen-51	126	7	,	,	PUNCT
fuen-51	126	8	and	and	CCONJ
fuen-51	126	9	𝛿𝑊	𝛿𝑊	NOUN
fuen-51	126	10	with	with	ADP
fuen-51	126	11	the	the	DET
fuen-51	126	12	swirl	swirl	ADJ
fuen-51	126	13	number	number	NOUN
fuen-51	126	14	at	at	ADP
fuen-51	126	15	three	three	NUM
fuen-51	126	16	fuel	fuel	NOUN
fuen-51	126	17	flow	flow	NOUN
fuen-51	126	18	rates	rate	NOUN
fuen-51	126	19	are	be	AUX
fuen-51	126	20	determined	determine	VERB
fuen-51	126	21	and	and	CCONJ
fuen-51	126	22	depicted	depict	VERB
fuen-51	126	23	in	in	ADP
fuen-51	126	24	figure	figure	NOUN
fuen-51	126	25	3	3	NUM
fuen-51	126	26	in	in	ADP
fuen-51	126	27	appendix	appendix	NOUN
fuen-51	126	28	i	i	PRON
fuen-51	126	29	based	base	VERB
fuen-51	126	30	on	on	ADP
fuen-51	126	31	the	the	DET
fuen-51	126	32	above	above	ADV
fuen-51	126	33	-	-	PUNCT
fuen-51	126	34	mentioned	mention	VERB
fuen-51	126	35	formulae	formulae	NOUN
fuen-51	126	36	for	for	ADP
fuen-51	126	37	quantifying	quantify	VERB
fuen-51	126	38	flame	flame	NOUN
fuen-51	126	39	fluctuations	fluctuation	NOUN
fuen-51	126	40	.	.	PUNCT
fuen-51	127	1	it	it	PRON
fuen-51	127	2	is	be	AUX
fuen-51	127	3	noticed	notice	VERB
fuen-51	127	4	that	that	SCONJ
fuen-51	127	5	flame	flame	NOUN
fuen-51	127	6	pulsating	pulsate	VERB
fuen-51	127	7	displacements	displacement	NOUN
fuen-51	127	8	in	in	ADP
fuen-51	127	9	terms	term	NOUN
fuen-51	127	10	of	of	ADP
fuen-51	127	11	center	center	NOUN
fuen-51	127	12	of	of	ADP
fuen-51	127	13	gravity	gravity	NOUN
fuen-51	127	14	(	(	PUNCT
fuen-51	127	15	𝛿𝐶𝐺	𝛿𝐶𝐺	PROPN
fuen-51	127	16	)	)	PUNCT
fuen-51	127	17	,	,	PUNCT
fuen-51	127	18	length	length	NOUN
fuen-51	127	19	(	(	PUNCT
fuen-51	127	20	𝛿𝐿	𝛿𝐿	NOUN
fuen-51	127	21	)	)	PUNCT
fuen-51	127	22	,	,	PUNCT
fuen-51	127	23	and	and	CCONJ
fuen-51	127	24	width	width	ADJ
fuen-51	127	25	(	(	PUNCT
fuen-51	127	26	𝛿𝑊	𝛿𝑊	NOUN
fuen-51	127	27	)	)	PUNCT
fuen-51	127	28	increases	increase	NOUN
fuen-51	127	29	with	with	ADP
fuen-51	127	30	an	an	DET
fuen-51	127	31	increase	increase	NOUN
fuen-51	127	32	in	in	ADP
fuen-51	127	33	the	the	DET
fuen-51	127	34	fuel	fuel	NOUN
fuen-51	127	35	flow	flow	NOUN
fuen-51	127	36	rate	rate	NOUN
fuen-51	127	37	;	;	PUNCT
fuen-51	127	38	although	although	SCONJ
fuen-51	127	39	the	the	DET
fuen-51	127	40	increase	increase	NOUN
fuen-51	127	41	in	in	ADP
fuen-51	127	42	𝛿𝐶𝐺	𝛿𝐶𝐺	PROPN
fuen-51	127	43	from	from	ADP
fuen-51	127	44	0.6	0.6	NUM
fuen-51	127	45	swirl	swirl	ADJ
fuen-51	127	46	number	number	NOUN
fuen-51	127	47	to	to	ADP
fuen-51	127	48	0.7	0.7	NUM
fuen-51	127	49	swirl	swirl	ADJ
fuen-51	127	50	number	number	NOUN
fuen-51	127	51	is	be	AUX
fuen-51	127	52	negligible	negligible	ADJ
fuen-51	127	53	.	.	PUNCT
fuen-51	128	1	additionally	additionally	ADV
fuen-51	128	2	,	,	PUNCT
fuen-51	128	3	it	it	PRON
fuen-51	128	4	has	have	AUX
fuen-51	128	5	been	be	AUX
fuen-51	128	6	shown	show	VERB
fuen-51	128	7	that	that	SCONJ
fuen-51	128	8	as	as	SCONJ
fuen-51	128	9	the	the	DET
fuen-51	128	10	swirl	swirl	ADJ
fuen-51	128	11	number	number	NOUN
fuen-51	128	12	is	be	AUX
fuen-51	128	13	increased	increase	VERB
fuen-51	128	14	,	,	PUNCT
fuen-51	128	15	𝛿𝐶𝐺	𝛿𝐶𝐺	NOUN
fuen-51	128	16	and	and	CCONJ
fuen-51	128	17	𝛿𝐿	𝛿𝐿	NOUN
fuen-51	128	18	lessens	lessen	NOUN
fuen-51	128	19	,	,	PUNCT
fuen-51	128	20	while	while	SCONJ
fuen-51	128	21	𝛿𝑊	𝛿𝑊	NOUN
fuen-51	128	22	increases	increase	NOUN
fuen-51	128	23	.	.	PUNCT
fuen-51	129	1	4	4	X
fuen-51	129	2	.	.	X
fuen-51	129	3	conclusion	conclusion	NOUN
fuen-51	129	4	the	the	PRON
fuen-51	129	5	in	in	ADP
fuen-51	129	6	this	this	DET
fuen-51	129	7	work	work	NOUN
fuen-51	129	8	,	,	PUNCT
fuen-51	129	9	turbulent	turbulent	ADJ
fuen-51	129	10	non	non	ADJ
fuen-51	129	11	-	-	ADJ
fuen-51	129	12	premixed	premixed	ADJ
fuen-51	129	13	methane	methane	NOUN
fuen-51	129	14	/	/	SYM
fuen-51	129	15	air	air	NOUN
fuen-51	129	16	flame	flame	NOUN
fuen-51	129	17	dynamics	dynamic	NOUN
fuen-51	129	18	,	,	PUNCT
fuen-51	129	19	and	and	CCONJ
fuen-51	129	20	properties	property	NOUN
fuen-51	129	21	in	in	ADP
fuen-51	129	22	a	a	DET
fuen-51	129	23	miniature	miniature	ADJ
fuen-51	129	24	-	-	PUNCT
fuen-51	129	25	scale	scale	NOUN
fuen-51	129	26	swirl	swirl	NOUN
fuen-51	129	27	burner	burner	NOUN
fuen-51	129	28	were	be	AUX
fuen-51	129	29	investigated	investigate	VERB
fuen-51	129	30	under	under	ADP
fuen-51	129	31	three	three	NUM
fuen-51	129	32	different	different	ADJ
fuen-51	129	33	swirl	swirl	ADJ
fuen-51	129	34	numbers	number	NOUN
fuen-51	129	35	using	use	VERB
fuen-51	129	36	high	high	ADJ
fuen-51	129	37	-	-	PUNCT
fuen-51	129	38	speed	speed	NOUN
fuen-51	129	39	video	video	NOUN
fuen-51	129	40	recordings	recording	NOUN
fuen-51	129	41	of	of	ADP
fuen-51	129	42	swirling	swirl	VERB
fuen-51	129	43	flames	flame	NOUN
fuen-51	129	44	.	.	PUNCT
fuen-51	130	1	for	for	ADP
fuen-51	130	2	the	the	DET
fuen-51	130	3	measurement	measurement	NOUN
fuen-51	130	4	of	of	ADP
fuen-51	130	5	flame	flame	NOUN
fuen-51	130	6	length	length	NOUN
fuen-51	130	7	,	,	PUNCT
fuen-51	130	8	lift	lift	NOUN
fuen-51	130	9	-	-	PUNCT
fuen-51	130	10	off	off	ADP
fuen-51	130	11	height	height	NOUN
fuen-51	130	12	,	,	PUNCT
fuen-51	130	13	maximum	maximum	ADJ
fuen-51	130	14	width	width	NOUN
fuen-51	130	15	,	,	PUNCT
fuen-51	130	16	and	and	CCONJ
fuen-51	130	17	angle	angle	NOUN
fuen-51	130	18	,	,	PUNCT
fuen-51	130	19	an	an	DET
fuen-51	130	20	intermittency	intermittency	NOUN
fuen-51	130	21	distribution	distribution	NOUN
fuen-51	130	22	approach	approach	NOUN
fuen-51	130	23	based	base	VERB
fuen-51	130	24	on	on	ADP
fuen-51	130	25	the	the	DET
fuen-51	130	26	otsu	otsu	NOUN
fuen-51	130	27	threshold	threshold	NOUN
fuen-51	130	28	method	method	NOUN
fuen-51	130	29	for	for	ADP
fuen-51	130	30	image	image	NOUN
fuen-51	130	31	segmentation	segmentation	NOUN
fuen-51	130	32	was	be	AUX
fuen-51	130	33	used	use	VERB
fuen-51	130	34	.	.	PUNCT
fuen-51	131	1	furthermore	furthermore	ADV
fuen-51	131	2	,	,	PUNCT
fuen-51	131	3	the	the	DET
fuen-51	131	4	flame	flame	NOUN
fuen-51	131	5	's	's	PART
fuen-51	131	6	center	center	NOUN
fuen-51	131	7	of	of	ADP
fuen-51	131	8	gravity	gravity	NOUN
fuen-51	131	9	as	as	ADV
fuen-51	131	10	well	well	ADV
fuen-51	131	11	as	as	ADP
fuen-51	131	12	its	its	PRON
fuen-51	131	13	length	length	NOUN
fuen-51	131	14	and	and	CCONJ
fuen-51	131	15	width	width	NOUN
fuen-51	131	16	,	,	PUNCT
fuen-51	131	17	are	be	AUX
fuen-51	131	18	used	use	VERB
fuen-51	131	19	to	to	PART
fuen-51	131	20	examine	examine	VERB
fuen-51	131	21	flame	flame	NOUN
fuen-51	131	22	fluctuations	fluctuation	NOUN
fuen-51	131	23	(	(	PUNCT
fuen-51	131	24	pulsating	pulsate	VERB
fuen-51	131	25	displacements	displacement	NOUN
fuen-51	131	26	)	)	PUNCT
fuen-51	131	27	.	.	PUNCT
fuen-51	132	1	the	the	DET
fuen-51	132	2	following	follow	VERB
fuen-51	132	3	are	be	AUX
fuen-51	132	4	the	the	DET
fuen-51	132	5	main	main	ADJ
fuen-51	132	6	conclusions	conclusion	NOUN
fuen-51	132	7	:	:	PUNCT
fuen-51	132	8	•	•	ADP
fuen-51	132	9	increasing	increase	VERB
fuen-51	132	10	the	the	DET
fuen-51	132	11	swirl	swirl	ADJ
fuen-51	132	12	number	number	NOUN
fuen-51	132	13	from	from	ADP
fuen-51	132	14	0.5	0.5	NUM
fuen-51	132	15	to	to	ADP
fuen-51	132	16	0.7	0.7	NUM
fuen-51	132	17	has	have	VERB
fuen-51	132	18	an	an	DET
fuen-51	132	19	unfavorable	unfavorable	ADJ
fuen-51	132	20	effect	effect	NOUN
fuen-51	132	21	on	on	ADP
fuen-51	132	22	the	the	DET
fuen-51	132	23	lean	lean	ADJ
fuen-51	132	24	blowout	blowout	NOUN
fuen-51	132	25	(	(	PUNCT
fuen-51	132	26	lbo	lbo	PROPN
fuen-51	132	27	)	)	PUNCT
fuen-51	132	28	at	at	ADP
fuen-51	132	29	a	a	DET
fuen-51	132	30	given	give	VERB
fuen-51	132	31	fuel	fuel	NOUN
fuen-51	132	32	flow	flow	NOUN
fuen-51	132	33	rate	rate	NOUN
fuen-51	132	34	(	(	PUNCT
fuen-51	132	35	the	the	DET
fuen-51	132	36	flame	flame	NOUN
fuen-51	132	37	blows	blow	VERB
fuen-51	132	38	out	out	ADP
fuen-51	132	39	at	at	ADP
fuen-51	132	40	lower	low	ADJ
fuen-51	132	41	airflow	airflow	NOUN
fuen-51	132	42	rates	rate	NOUN
fuen-51	132	43	or	or	CCONJ
fuen-51	132	44	higher	high	ADJ
fuen-51	132	45	equivalence	equivalence	NOUN
fuen-51	132	46	ratio	ratio	NOUN
fuen-51	132	47	)	)	PUNCT
fuen-51	132	48	.	.	PUNCT
fuen-51	133	1	this	this	PRON
fuen-51	133	2	can	can	AUX
fuen-51	133	3	be	be	AUX
fuen-51	133	4	attributed	attribute	VERB
fuen-51	133	5	to	to	ADP
fuen-51	133	6	the	the	DET
fuen-51	133	7	interaction	interaction	NOUN
fuen-51	133	8	between	between	ADP
fuen-51	133	9	flame	flame	NOUN
fuen-51	133	10	base	base	NOUN
fuen-51	133	11	and	and	CCONJ
fuen-51	133	12	fuel	fuel	NOUN
fuen-51	133	13	nozzle	nozzle	NOUN
fuen-51	133	14	due	due	ADP
fuen-51	133	15	to	to	ADP
fuen-51	133	16	an	an	DET
fuen-51	133	17	increase	increase	NOUN
fuen-51	133	18	in	in	ADP
fuen-51	133	19	the	the	DET
fuen-51	133	20	recirculation	recirculation	NOUN
fuen-51	133	21	zone	zone	NOUN
fuen-51	133	22	,	,	PUNCT
fuen-51	133	23	entrainment	entrainment	NOUN
fuen-51	133	24	of	of	ADP
fuen-51	133	25	cold	cold	ADJ
fuen-51	133	26	outside	outside	ADJ
fuen-51	133	27	air	air	NOUN
fuen-51	133	28	due	due	ADP
fuen-51	133	29	to	to	ADP
fuen-51	133	30	the	the	DET
fuen-51	133	31	recirculation	recirculation	NOUN
fuen-51	133	32	zone	zone	NOUN
fuen-51	133	33	,	,	PUNCT
fuen-51	133	34	and	and	CCONJ
fuen-51	133	35	flame	flame	NOUN
fuen-51	133	36	cooling	cooling	NOUN
fuen-51	133	37	due	due	ADP
fuen-51	133	38	to	to	ADP
fuen-51	133	39	an	an	DET
fuen-51	133	40	increase	increase	NOUN
fuen-51	133	41	in	in	ADP
fuen-51	133	42	the	the	DET
fuen-51	133	43	rate	rate	NOUN
fuen-51	133	44	of	of	ADP
fuen-51	133	45	strain	strain	NOUN
fuen-51	133	46	on	on	ADP
fuen-51	133	47	the	the	DET
fuen-51	133	48	flame	flame	NOUN
fuen-51	133	49	with	with	ADP
fuen-51	133	50	increasing	increase	VERB
fuen-51	133	51	swirl	swirl	ADJ
fuen-51	133	52	strength	strength	NOUN
fuen-51	133	53	.	.	PUNCT
fuen-51	134	1	additionally	additionally	ADV
fuen-51	134	2	,	,	PUNCT
fuen-51	134	3	for	for	ADP
fuen-51	134	4	flames	flame	NOUN
fuen-51	134	5	under	under	ADP
fuen-51	134	6	35	35	NUM
fuen-51	134	7	°	°	NOUN
fuen-51	134	8	(	(	PUNCT
fuen-51	134	9	0.6	0.6	NUM
fuen-51	134	10	swirl	swirl	ADJ
fuen-51	134	11	number	number	NOUN
fuen-51	134	12	)	)	PUNCT
fuen-51	134	13	and	and	CCONJ
fuen-51	134	14	40	40	NUM
fuen-51	134	15	°	°	NOUN
fuen-51	134	16	(	(	PUNCT
fuen-51	134	17	0.7	0.7	NUM
fuen-51	134	18	swirl	swirl	ADJ
fuen-51	134	19	number	number	NOUN
fuen-51	134	20	)	)	PUNCT
fuen-51	134	21	swirlers	swirler	NOUN
fuen-51	134	22	,	,	PUNCT
fuen-51	134	23	the	the	DET
fuen-51	134	24	lbo	lbo	PROPN
fuen-51	134	25	has	have	AUX
fuen-51	134	26	decreased	decrease	VERB
fuen-51	134	27	up	up	ADP
fuen-51	134	28	to	to	ADP
fuen-51	134	29	about	about	ADP
fuen-51	134	30	15	15	NUM
fuen-51	134	31	%	%	NOUN
fuen-51	134	32	and	and	CCONJ
fuen-51	134	33	40	40	NUM
fuen-51	134	34	%	%	NOUN
fuen-51	134	35	,	,	PUNCT
fuen-51	134	36	respectively	respectively	ADV
fuen-51	134	37	,	,	PUNCT
fuen-51	134	38	when	when	SCONJ
fuen-51	134	39	compared	compare	VERB
fuen-51	134	40	with	with	ADP
fuen-51	134	41	the	the	DET
fuen-51	134	42	30	30	NUM
fuen-51	134	43	°	°	NOUN
fuen-51	134	44	swirler	swirler	NOUN
fuen-51	134	45	(	(	PUNCT
fuen-51	134	46	0.5	0.5	NUM
fuen-51	134	47	swirl	swirl	ADJ
fuen-51	134	48	number	number	NOUN
fuen-51	134	49	)	)	PUNCT
fuen-51	134	50	.	.	PUNCT
fuen-51	135	1	•	•	NUM
fuen-51	135	2	observations	observation	NOUN
fuen-51	135	3	indicate	indicate	VERB
fuen-51	135	4	that	that	SCONJ
fuen-51	135	5	the	the	DET
fuen-51	135	6	flame	flame	NOUN
fuen-51	135	7	length	length	NOUN
fuen-51	135	8	(	(	PUNCT
fuen-51	135	9	l	l	NOUN
fuen-51	135	10	)	)	PUNCT
fuen-51	135	11	and	and	CCONJ
fuen-51	135	12	lift	lift	NOUN
fuen-51	135	13	-	-	PUNCT
fuen-51	135	14	off	off	ADP
fuen-51	135	15	height	height	NOUN
fuen-51	135	16	(	(	PUNCT
fuen-51	135	17	lo	lo	NOUN
fuen-51	135	18	)	)	PUNCT
fuen-51	135	19	drop	drop	NOUN
fuen-51	135	20	as	as	SCONJ
fuen-51	135	21	the	the	DET
fuen-51	135	22	swirl	swirl	ADJ
fuen-51	135	23	number	number	NOUN
fuen-51	135	24	rises	rise	VERB
fuen-51	135	25	,	,	PUNCT
fuen-51	135	26	although	although	SCONJ
fuen-51	135	27	the	the	DET
fuen-51	135	28	flame	flame	NOUN
fuen-51	135	29	width	width	NOUN
fuen-51	135	30	(	(	PUNCT
fuen-51	135	31	w	w	NOUN
fuen-51	135	32	)	)	PUNCT
fuen-51	135	33	and	and	CCONJ
fuen-51	135	34	angle	angle	NOUN
fuen-51	135	35	(	(	PUNCT
fuen-51	135	36	α	α	NOUN
fuen-51	135	37	)	)	PUNCT
fuen-51	135	38	show	show	VERB
fuen-51	135	39	an	an	DET
fuen-51	135	40	ascending	ascend	VERB
fuen-51	135	41	tendency	tendency	NOUN
fuen-51	135	42	.	.	PUNCT
fuen-51	136	1	additionally	additionally	ADV
fuen-51	136	2	,	,	PUNCT
fuen-51	136	3	it	it	PRON
fuen-51	136	4	has	have	AUX
fuen-51	136	5	been	be	AUX
fuen-51	136	6	shown	show	VERB
fuen-51	136	7	that	that	SCONJ
fuen-51	136	8	raising	raise	VERB
fuen-51	136	9	the	the	DET
fuen-51	136	10	methane	methane	NOUN
fuen-51	136	11	flow	flow	NOUN
fuen-51	136	12	rates	rate	NOUN
fuen-51	136	13	causes	cause	VERB
fuen-51	136	14	an	an	DET
fuen-51	136	15	increase	increase	NOUN
fuen-51	136	16	in	in	ADP
fuen-51	136	17	these	these	DET
fuen-51	136	18	variables	variable	NOUN
fuen-51	136	19	except	except	SCONJ
fuen-51	136	20	for	for	ADP
fuen-51	136	21	the	the	DET
fuen-51	136	22	flame	flame	PROPN
fuen-51	136	23	angle	angle	NOUN
fuen-51	136	24	.	.	PUNCT
fuen-51	137	1	additionally	additionally	ADV
fuen-51	137	2	,	,	PUNCT
fuen-51	137	3	flame	flame	NOUN
fuen-51	137	4	lift	lift	NOUN
fuen-51	137	5	-	-	PUNCT
fuen-51	137	6	off	off	NOUN
fuen-51	137	7	reveals	reveal	VERB
fuen-51	137	8	an	an	DET
fuen-51	137	9	increasing	increase	VERB
fuen-51	137	10	-	-	PUNCT
fuen-51	137	11	decreasing	decrease	VERB
fuen-51	137	12	trend	trend	NOUN
fuen-51	137	13	with	with	ADP
fuen-51	137	14	an	an	DET
fuen-51	137	15	increment	increment	NOUN
fuen-51	137	16	in	in	ADP
fuen-51	137	17	the	the	DET
fuen-51	137	18	airflow	airflow	NOUN
fuen-51	137	19	rate	rate	NOUN
fuen-51	137	20	at	at	ADP
fuen-51	137	21	a	a	DET
fuen-51	137	22	specified	specify	VERB
fuen-51	137	23	methane	methane	NOUN
fuen-51	137	24	flow	flow	NOUN
fuen-51	137	25	rate	rate	NOUN
fuen-51	137	26	,	,	PUNCT
fuen-51	137	27	and	and	CCONJ
fuen-51	137	28	the	the	DET
fuen-51	137	29	decreasing	decrease	VERB
fuen-51	137	30	section	section	NOUN
fuen-51	137	31	corresponds	correspond	VERB
fuen-51	137	32	to	to	ADP
fuen-51	137	33	improved	improved	ADJ
fuen-51	137	34	mixing	mixing	NOUN
fuen-51	137	35	of	of	ADP
fuen-51	137	36	fuel	fuel	NOUN
fuen-51	137	37	and	and	CCONJ
fuen-51	137	38	air	air	NOUN
fuen-51	137	39	because	because	SCONJ
fuen-51	137	40	swirl	swirl	NOUN
fuen-51	137	41	has	have	AUX
fuen-51	137	42	shown	show	VERB
fuen-51	137	43	its	its	PRON
fuen-51	137	44	effect	effect	NOUN
fuen-51	137	45	.	.	PUNCT
fuen-51	138	1	besides	besides	SCONJ
fuen-51	138	2	,	,	PUNCT
fuen-51	138	3	flame	flame	NOUN
fuen-51	138	4	length	length	NOUN
fuen-51	138	5	is	be	AUX
fuen-51	138	6	affected	affect	VERB
fuen-51	138	7	by	by	ADP
fuen-51	138	8	the	the	DET
fuen-51	138	9	airflow	airflow	NOUN
fuen-51	138	10	rate	rate	NOUN
fuen-51	138	11	increase	increase	NOUN
fuen-51	138	12	,	,	PUNCT
fuen-51	138	13	and	and	CCONJ
fuen-51	138	14	it	it	PRON
fuen-51	138	15	decreases	decrease	VERB
fuen-51	138	16	as	as	ADP
fuen-51	138	17	the	the	DET
fuen-51	138	18	airflow	airflow	NOUN
fuen-51	138	19	rate	rate	NOUN
fuen-51	138	20	increases	increase	NOUN
fuen-51	138	21	.	.	PUNCT
fuen-51	139	1	for	for	ADP
fuen-51	139	2	swirling	swirling	ADJ
fuen-51	139	3	flames	flame	NOUN
fuen-51	139	4	,	,	PUNCT
fuen-51	139	5	this	this	DET
fuen-51	139	6	tendency	tendency	NOUN
fuen-51	139	7	is	be	AUX
fuen-51	139	8	the	the	DET
fuen-51	139	9	consequence	consequence	NOUN
fuen-51	139	10	of	of	ADP
fuen-51	139	11	an	an	DET
fuen-51	139	12	increase	increase	NOUN
fuen-51	139	13	in	in	ADP
fuen-51	139	14	turbulence	turbulence	NOUN
fuen-51	139	15	intensity	intensity	NOUN
fuen-51	139	16	with	with	ADP
fuen-51	139	17	an	an	DET
fuen-51	139	18	increase	increase	NOUN
fuen-51	139	19	in	in	ADP
fuen-51	139	20	airflow	airflow	NOUN
fuen-51	139	21	rate	rate	NOUN
fuen-51	139	22	,	,	PUNCT
fuen-51	139	23	which	which	PRON
fuen-51	139	24	enhances	enhance	VERB
fuen-51	139	25	fuel	fuel	NOUN
fuen-51	139	26	-	-	PUNCT
fuen-51	139	27	air	air	NOUN
fuen-51	139	28	mixing	mixing	NOUN
fuen-51	139	29	and	and	CCONJ
fuen-51	139	30	reduces	reduce	VERB
fuen-51	139	31	flame	flame	ADJ
fuen-51	139	32	length	length	NOUN
fuen-51	139	33	.	.	PUNCT
fuen-51	140	1	•	•	NUM
fuen-51	140	2	flame	flame	NOUN
fuen-51	140	3	pulsating	pulsate	VERB
fuen-51	140	4	displacements	displacement	NOUN
fuen-51	140	5	in	in	ADP
fuen-51	140	6	terms	term	NOUN
fuen-51	140	7	of	of	ADP
fuen-51	140	8	center	center	NOUN
fuen-51	140	9	of	of	ADP
fuen-51	140	10	gravity	gravity	NOUN
fuen-51	140	11	(	(	PUNCT
fuen-51	140	12	δ_cg	δ_cg	PROPN
fuen-51	140	13	)	)	PUNCT
fuen-51	140	14	,	,	PUNCT
fuen-51	140	15	length	length	NOUN
fuen-51	140	16	(	(	PUNCT
fuen-51	140	17	δ_l	δ_l	NUM
fuen-51	140	18	)	)	PUNCT
fuen-51	140	19	,	,	PUNCT
fuen-51	140	20	and	and	CCONJ
fuen-51	140	21	width	width	ADJ
fuen-51	140	22	(	(	PUNCT
fuen-51	140	23	δ_w	δ_w	NUM
fuen-51	140	24	)	)	PUNCT
fuen-51	140	25	increases	increase	VERB
fuen-51	140	26	with	with	ADP
fuen-51	140	27	an	an	DET
fuen-51	140	28	increase	increase	NOUN
fuen-51	140	29	in	in	ADP
fuen-51	140	30	the	the	DET
fuen-51	140	31	fuel	fuel	NOUN
fuen-51	140	32	flow	flow	NOUN
fuen-51	140	33	rate	rate	NOUN
fuen-51	140	34	;	;	PUNCT
fuen-51	140	35	although	although	SCONJ
fuen-51	140	36	the	the	DET
fuen-51	140	37	increase	increase	NOUN
fuen-51	140	38	in	in	ADP
fuen-51	140	39	δ_cg	δ_cg	PROPN
fuen-51	140	40	from	from	ADP
fuen-51	140	41	0.6	0.6	NUM
fuen-51	140	42	swirl	swirl	ADJ
fuen-51	140	43	number	number	NOUN
fuen-51	140	44	to	to	ADP
fuen-51	140	45	0.7	0.7	NUM
fuen-51	140	46	swirl	swirl	ADJ
fuen-51	140	47	number	number	NOUN
fuen-51	140	48	is	be	AUX
fuen-51	140	49	negligible	negligible	ADJ
fuen-51	140	50	.	.	PUNCT
fuen-51	141	1	additionally	additionally	ADV
fuen-51	141	2	,	,	PUNCT
fuen-51	141	3	it	it	PRON
fuen-51	141	4	has	have	AUX
fuen-51	141	5	been	be	AUX
fuen-51	141	6	shown	show	VERB
fuen-51	141	7	that	that	SCONJ
fuen-51	141	8	as	as	SCONJ
fuen-51	141	9	the	the	DET
fuen-51	141	10	swirl	swirl	ADJ
fuen-51	141	11	number	number	NOUN
fuen-51	141	12	is	be	AUX
fuen-51	141	13	increased	increase	VERB
fuen-51	141	14	,	,	PUNCT
fuen-51	141	15	δ_cg	δ_cg	PROPN
fuen-51	141	16	and	and	CCONJ
fuen-51	141	17	δ_l	δ_l	PUNCT
fuen-51	141	18	lessens	lessen	NOUN
fuen-51	141	19	,	,	PUNCT
fuen-51	141	20	while	while	SCONJ
fuen-51	141	21	δ_w	δ_w	PROPN
fuen-51	141	22	increases	increase	VERB
fuen-51	141	23	.	.	PUNCT
fuen-51	142	1	ethical	ethical	ADJ
fuen-51	142	2	issue	issue	NOUN
fuen-51	142	3	the	the	DET
fuen-51	142	4	author	author	NOUN
fuen-51	142	5	is	be	AUX
fuen-51	142	6	aware	aware	ADJ
fuen-51	142	7	of	of	ADP
fuen-51	142	8	and	and	CCONJ
fuen-51	142	9	complies	complie	NOUN
fuen-51	142	10	with	with	ADP
fuen-51	142	11	best	good	ADJ
fuen-51	142	12	practices	practice	NOUN
fuen-51	142	13	in	in	ADP
fuen-51	142	14	publication	publication	NOUN
fuen-51	142	15	ethics	ethic	NOUN
fuen-51	142	16	,	,	PUNCT
fuen-51	142	17	specifically	specifically	ADV
fuen-51	142	18	with	with	ADP
fuen-51	142	19	regard	regard	NOUN
fuen-51	142	20	to	to	ADP
fuen-51	142	21	authorship	authorship	NOUN
fuen-51	142	22	(	(	PUNCT
fuen-51	142	23	avoidance	avoidance	NOUN
fuen-51	142	24	of	of	ADP
fuen-51	142	25	guest	guest	NOUN
fuen-51	142	26	authorship	authorship	NOUN
fuen-51	142	27	)	)	PUNCT
fuen-51	142	28	,	,	PUNCT
fuen-51	142	29	dual	dual	ADJ
fuen-51	142	30	submission	submission	NOUN
fuen-51	142	31	,	,	PUNCT
fuen-51	142	32	manipulation	manipulation	NOUN
fuen-51	142	33	of	of	ADP
fuen-51	142	34	figures	figure	NOUN
fuen-51	142	35	,	,	PUNCT
fuen-51	142	36	competing	compete	VERB
fuen-51	142	37	interests	interest	NOUN
fuen-51	142	38	,	,	PUNCT
fuen-51	142	39	and	and	CCONJ
fuen-51	142	40	compliance	compliance	NOUN
fuen-51	142	41	with	with	ADP
fuen-51	142	42	policies	policy	NOUN
fuen-51	142	43	on	on	ADP
fuen-51	142	44	research	research	NOUN
fuen-51	142	45	ethics	ethic	NOUN
fuen-51	142	46	.	.	PUNCT
fuen-51	143	1	the	the	DET
fuen-51	143	2	author	author	NOUN
fuen-51	143	3	adheres	adhere	VERB
fuen-51	143	4	to	to	ADP
fuen-51	143	5	publication	publication	NOUN
fuen-51	143	6	requirements	requirement	NOUN
fuen-51	143	7	that	that	SCONJ
fuen-51	143	8	the	the	DET
fuen-51	143	9	submitted	submit	VERB
fuen-51	143	10	work	work	NOUN
fuen-51	143	11	is	be	AUX
fuen-51	143	12	original	original	ADJ
fuen-51	143	13	and	and	CCONJ
fuen-51	143	14	has	have	AUX
fuen-51	143	15	not	not	PART
fuen-51	143	16	been	be	AUX
fuen-51	143	17	published	publish	VERB
fuen-51	143	18	elsewhere	elsewhere	ADV
fuen-51	143	19	in	in	ADP
fuen-51	143	20	any	any	DET
fuen-51	143	21	language	language	NOUN
fuen-51	143	22	.	.	PUNCT
fuen-51	144	1	data	datum	NOUN
fuen-51	144	2	availability	availability	NOUN
fuen-51	144	3	statement	statement	NOUN
fuen-51	144	4	all	all	DET
fuen-51	144	5	data	datum	NOUN
fuen-51	144	6	that	that	PRON
fuen-51	144	7	support	support	VERB
fuen-51	144	8	the	the	DET
fuen-51	144	9	findings	finding	NOUN
fuen-51	144	10	of	of	ADP
fuen-51	144	11	this	this	DET
fuen-51	144	12	study	study	NOUN
fuen-51	144	13	are	be	AUX
fuen-51	144	14	included	include	VERB
fuen-51	144	15	within	within	ADP
fuen-51	144	16	the	the	DET
fuen-51	144	17	article	article	NOUN
fuen-51	144	18	(	(	PUNCT
fuen-51	144	19	and	and	CCONJ
fuen-51	144	20	any	any	DET
fuen-51	144	21	supplementary	supplementary	ADJ
fuen-51	144	22	files	file	NOUN
fuen-51	144	23	)	)	PUNCT
fuen-51	144	24	.	.	PUNCT
fuen-51	145	1	conflict	conflict	NOUN
fuen-51	145	2	of	of	ADP
fuen-51	145	3	interest	interest	NOUN
fuen-51	145	4	the	the	DET
fuen-51	145	5	authors	author	NOUN
fuen-51	145	6	declare	declare	VERB
fuen-51	145	7	no	no	DET
fuen-51	145	8	potential	potential	ADJ
fuen-51	145	9	conflict	conflict	NOUN
fuen-51	145	10	of	of	ADP
fuen-51	145	11	interest	interest	NOUN
fuen-51	145	12	.	.	PUNCT
fuen-51	146	1	references	reference	NOUN
fuen-51	146	2	[	[	X
fuen-51	146	3	1	1	X
fuen-51	146	4	]	]	PUNCT
fuen-51	146	5	houssein	houssein	NOUN
fuen-51	146	6	eh	eh	INTJ
fuen-51	146	7	,	,	PUNCT
fuen-51	146	8	el	el	PROPN
fuen-51	146	9	-	-	PUNCT
fuen-51	146	10	din	din	VERB
fuen-51	146	11	helmy	helmy	ADJ
fuen-51	146	12	b	b	NOUN
fuen-51	146	13	,	,	PUNCT
fuen-51	146	14	oliva	oliva	PROPN
fuen-51	146	15	d	d	PROPN
fuen-51	146	16	,	,	PUNCT
fuen-51	146	17	elngar	elngar	NOUN
fuen-51	146	18	aa	aa	NOUN
fuen-51	146	19	,	,	PUNCT
fuen-51	146	20	shaban	shaban	PROPN
fuen-51	146	21	h.	h.	PROPN
fuen-51	146	22	multi	multi	ADJ
fuen-51	146	23	-	-	ADJ
fuen-51	146	24	level	level	ADJ
fuen-51	146	25	thresholding	thresholde	VERB
fuen-51	146	26	image	image	NOUN
fuen-51	146	27	segmentation	segmentation	NOUN
fuen-51	146	28	based	base	VERB
fuen-51	146	29	on	on	ADP
fuen-51	146	30	nature	nature	NOUN
fuen-51	146	31	-	-	PUNCT
fuen-51	146	32	inspired	inspire	VERB
fuen-51	146	33	optimization	optimization	NOUN
fuen-51	146	34	algorithms	algorithm	NOUN
fuen-51	146	35	:	:	PUNCT
fuen-51	146	36	a	a	DET
fuen-51	146	37	comprehensive	comprehensive	ADJ
fuen-51	146	38	review	review	NOUN
fuen-51	146	39	.	.	PUNCT
fuen-51	147	1	in	in	ADP
fuen-51	147	2	:	:	PUNCT
fuen-51	147	3	oliva	oliva	PROPN
fuen-51	147	4	d	d	PROPN
fuen-51	147	5	,	,	PUNCT
fuen-51	147	6	houssein	houssein	VERB
fuen-51	147	7	eh	eh	INTJ
fuen-51	147	8	,	,	PUNCT
fuen-51	147	9	hinojosa	hinojosa	PROPN
fuen-51	147	10	s	s	PROPN
fuen-51	147	11	,	,	PUNCT
fuen-51	147	12	editors	editor	NOUN
fuen-51	147	13	.	.	PUNCT
fuen-51	148	1	metaheuristics	metaheuristic	NOUN
fuen-51	148	2	in	in	ADP
fuen-51	148	3	machine	machine	NOUN
fuen-51	148	4	learning	learning	NOUN
fuen-51	148	5	:	:	PUNCT
fuen-51	148	6	theory	theory	NOUN
fuen-51	148	7	and	and	CCONJ
fuen-51	148	8	applications	application	NOUN
fuen-51	148	9	.	.	PUNCT
fuen-51	149	1	cham	cham	PROPN
fuen-51	149	2	:	:	PUNCT
fuen-51	149	3	springer	springer	NOUN
fuen-51	149	4	international	international	ADJ
fuen-51	149	5	publishing	publishing	NOUN
fuen-51	149	6	;	;	PUNCT
fuen-51	149	7	2021	2021	NUM
fuen-51	149	8	.	.	PUNCT
fuen-51	150	1	p.	p.	NOUN
fuen-51	150	2	239	239	NUM
fuen-51	150	3	-	-	SYM
fuen-51	150	4	65	65	NUM
fuen-51	150	5	.	.	PUNCT
fuen-51	151	1	[	[	X
fuen-51	151	2	2	2	NUM
fuen-51	151	3	]	]	X
fuen-51	151	4	oliva	oliva	PROPN
fuen-51	151	5	d	d	PROPN
fuen-51	151	6	,	,	PUNCT
fuen-51	151	7	cuevas	cuevas	PROPN
fuen-51	151	8	e.	e.	PROPN
fuen-51	151	9	digital	digital	PROPN
fuen-51	151	10	image	image	NOUN
fuen-51	151	11	segmentation	segmentation	NOUN
fuen-51	151	12	as	as	ADP
fuen-51	151	13	an	an	DET
fuen-51	151	14	optimization	optimization	NOUN
fuen-51	151	15	problem	problem	NOUN
fuen-51	151	16	.	.	PUNCT
fuen-51	152	1	in	in	ADP
fuen-51	152	2	:	:	PUNCT
fuen-51	152	3	oliva	oliva	PROPN
fuen-51	152	4	d	d	PROPN
fuen-51	152	5	,	,	PUNCT
fuen-51	152	6	cuevas	cuevas	PROPN
fuen-51	152	7	e	e	PROPN
fuen-51	152	8	,	,	PUNCT
fuen-51	152	9	editors	editor	NOUN
fuen-51	152	10	.	.	PUNCT
fuen-51	153	1	advances	advance	NOUN
fuen-51	153	2	and	and	CCONJ
fuen-51	153	3	applications	application	NOUN
fuen-51	153	4	of	of	ADP
fuen-51	153	5	optimised	optimise	VERB
fuen-51	153	6	algorithms	algorithm	NOUN
fuen-51	153	7	in	in	ADP
fuen-51	153	8	image	image	NOUN
fuen-51	153	9	processing	processing	NOUN
fuen-51	153	10	.	.	PUNCT
fuen-51	154	1	cham	cham	PROPN
fuen-51	154	2	:	:	PUNCT
fuen-51	154	3	springer	springer	NOUN
fuen-51	154	4	international	international	ADJ
fuen-51	154	5	publishing	publishing	NOUN
fuen-51	154	6	;	;	PUNCT
fuen-51	154	7	2017	2017	NUM
fuen-51	154	8	.	.	PUNCT
fuen-51	155	1	p.	p.	NOUN
fuen-51	155	2	43	43	NUM
fuen-51	155	3	-	-	SYM
fuen-51	155	4	91	91	NUM
fuen-51	155	5	.	.	PUNCT
fuen-51	156	1	[	[	X
fuen-51	156	2	3	3	X
fuen-51	156	3	]	]	PUNCT
fuen-51	156	4	xi	xi	X
fuen-51	156	5	z	z	PROPN
fuen-51	156	6	,	,	PUNCT
fuen-51	156	7	fu	fu	PROPN
fuen-51	156	8	z	z	PROPN
fuen-51	156	9	,	,	PUNCT
fuen-51	156	10	hu	hu	PROPN
fuen-51	156	11	x	x	PROPN
fuen-51	156	12	,	,	PUNCT
fuen-51	156	13	sabir	sabir	PROPN
fuen-51	156	14	sw	sw	PROPN
fuen-51	156	15	,	,	PUNCT
fuen-51	156	16	jiang	jiang	PROPN
fuen-51	156	17	y.	y.	PROPN
fuen-51	156	18	an	an	DET
fuen-51	156	19	investigation	investigation	NOUN
fuen-51	156	20	on	on	ADP
fuen-51	156	21	flame	flame	NOUN
fuen-51	156	22	shape	shape	NOUN
fuen-51	156	23	and	and	CCONJ
fuen-51	156	24	size	size	NOUN
fuen-51	156	25	for	for	ADP
fuen-51	156	26	a	a	DET
fuen-51	156	27	high	high	ADJ
fuen-51	156	28	-	-	PUNCT
fuen-51	156	29	pressure	pressure	NOUN
fuen-51	156	30	turbulent	turbulent	ADJ
fuen-51	156	31	non	non	ADJ
fuen-51	156	32	-	-	ADJ
fuen-51	156	33	premixed	premixed	ADJ
fuen-51	156	34	swirl	swirl	NOUN
fuen-51	156	35	combustion	combustion	NOUN
fuen-51	156	36	.	.	PUNCT
fuen-51	157	1	energies	energy	NOUN
fuen-51	157	2	.	.	PUNCT
fuen-51	158	1	2018;11(4	2018;11(4	NUM
fuen-51	158	2	)	)	PUNCT
fuen-51	158	3	.	.	PUNCT
fuen-51	159	1	doi	doi	NOUN
fuen-51	159	2	:	:	PUNCT
fuen-51	159	3	10.3390	10.3390	NUM
fuen-51	159	4	/	/	SYM
fuen-51	159	5	en11040930	en11040930	NOUN
fuen-51	159	6	.	.	PUNCT
fuen-51	160	1	[	[	X
fuen-51	160	2	4	4	X
fuen-51	160	3	]	]	X
fuen-51	160	4	huang	huang	PROPN
fuen-51	160	5	l	l	PROPN
fuen-51	160	6	,	,	PUNCT
fuen-51	160	7	liu	liu	PROPN
fuen-51	160	8	c	c	PROPN
fuen-51	160	9	,	,	PUNCT
fuen-51	160	10	deng	deng	PROPN
fuen-51	160	11	t	t	PROPN
fuen-51	160	12	,	,	PUNCT
fuen-51	160	13	jiang	jiang	PROPN
fuen-51	160	14	h	h	PROPN
fuen-51	160	15	,	,	PUNCT
fuen-51	160	16	wu	wu	PROPN
fuen-51	160	17	p.	p.	PROPN
fuen-51	160	18	experimental	experimental	ADJ
fuen-51	160	19	investigation	investigation	NOUN
fuen-51	160	20	on	on	ADP
fuen-51	160	21	the	the	DET
fuen-51	160	22	influence	influence	NOUN
fuen-51	160	23	of	of	ADP
fuen-51	160	24	central	central	ADJ
fuen-51	160	25	airflow	airflow	NOUN
fuen-51	160	26	on	on	ADP
fuen-51	160	27	swirl	swirl	ADJ
fuen-51	160	28	combustion	combustion	NOUN
fuen-51	160	29	stability	stability	NOUN
fuen-51	160	30	and	and	CCONJ
fuen-51	160	31	flame	flame	NOUN
fuen-51	160	32	shape	shape	NOUN
fuen-51	160	33	.	.	PUNCT
fuen-51	161	1	journal	journal	NOUN
fuen-51	161	2	of	of	ADP
fuen-51	161	3	thermal	thermal	ADJ
fuen-51	161	4	analysis	analysis	NOUN
fuen-51	161	5	and	and	CCONJ
fuen-51	161	6	calorimetry	calorimetry	NOUN
fuen-51	161	7	.	.	PUNCT
fuen-51	162	1	2021;144(2):50314	2021;144(2):50314	NUM
fuen-51	162	2	.	.	PUNCT
fuen-51	162	3	doi	doi	NOUN
fuen-51	162	4	:	:	PUNCT
fuen-51	162	5	10.1007	10.1007	NUM
fuen-51	162	6	/	/	SYM
fuen-51	162	7	s10973	s10973	NOUN
fuen-51	162	8	-	-	PUNCT
fuen-51	162	9	020	020	NUM
fuen-51	162	10	-	-	PUNCT
fuen-51	162	11	10399	10399	NUM
fuen-51	162	12	-	-	SYM
fuen-51	162	13	2	2	NUM
fuen-51	162	14	.	.	PUNCT
fuen-51	163	1	s.	s.	PROPN
fuen-51	163	2	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	163	3	/	/	SYM
fuen-51	163	4	future	future	ADJ
fuen-51	163	5	energy	energy	NOUN
fuen-51	163	6	february	february	PROPN
fuen-51	163	7	2023|	2023|	NUM
fuen-51	163	8	volume	volume	NOUN
fuen-51	163	9	02	02	NUM
fuen-51	164	1	|	|	NOUN
fuen-51	164	2	issue	issue	NOUN
fuen-51	164	3	01	01	NUM
fuen-51	165	1	|	|	NOUN
fuen-51	165	2	pages	page	VERB
fuen-51	165	3	27	27	NUM
fuen-51	165	4	-	-	SYM
fuen-51	165	5	37	37	NUM
fuen-51	165	6	34	34	NUM
fuen-51	166	1	[	[	X
fuen-51	166	2	5	5	NUM
fuen-51	166	3	]	]	PUNCT
fuen-51	166	4	zhang	zhang	PROPN
fuen-51	166	5	s	s	PROPN
fuen-51	166	6	,	,	PUNCT
fuen-51	166	7	cheng	cheng	PROPN
fuen-51	166	8	x	x	PROPN
fuen-51	166	9	,	,	PUNCT
fuen-51	166	10	zhu	zhu	PROPN
fuen-51	166	11	k	k	PROPN
fuen-51	166	12	,	,	PUNCT
fuen-51	166	13	yao	yao	PROPN
fuen-51	166	14	y	y	PROPN
fuen-51	166	15	,	,	PUNCT
fuen-51	166	16	shi	shi	PROPN
fuen-51	166	17	l	l	PROPN
fuen-51	166	18	,	,	PUNCT
fuen-51	166	19	zhang	zhang	PROPN
fuen-51	166	20	h.	h.	PROPN
fuen-51	166	21	experimental	experimental	PROPN
fuen-51	166	22	study	study	NOUN
fuen-51	166	23	on	on	ADP
fuen-51	166	24	curved	curved	ADJ
fuen-51	166	25	flame	flame	NOUN
fuen-51	166	26	characteristics	characteristic	NOUN
fuen-51	166	27	under	under	ADP
fuen-51	166	28	longitudinal	longitudinal	ADJ
fuen-51	166	29	ventilation	ventilation	NOUN
fuen-51	166	30	in	in	ADP
fuen-51	166	31	a	a	DET
fuen-51	166	32	subway	subway	NOUN
fuen-51	166	33	tunnel	tunnel	NOUN
fuen-51	166	34	.	.	PUNCT
fuen-51	167	1	applied	apply	VERB
fuen-51	167	2	thermal	thermal	ADJ
fuen-51	167	3	engineering	engineering	NOUN
fuen-51	167	4	.	.	PUNCT
fuen-51	168	1	2017;114:733	2017;114:733	X
fuen-51	168	2	-	-	SYM
fuen-51	168	3	43	43	NUM
fuen-51	168	4	.	.	PUNCT
fuen-51	169	1	doi	doi	NOUN
fuen-51	169	2	:	:	PUNCT
fuen-51	169	3	https://doi.org/10.1016/j.applthermaleng.2016.12.02	https://doi.org/10.1016/j.applthermaleng.2016.12.02	PROPN
fuen-51	169	4	3	3	NUM
fuen-51	169	5	.	.	PUNCT
fuen-51	170	1	[	[	X
fuen-51	170	2	6	6	NUM
fuen-51	170	3	]	]	X
fuen-51	170	4	gao	gao	PROPN
fuen-51	170	5	w	w	PROPN
fuen-51	170	6	,	,	PUNCT
fuen-51	170	7	liu	liu	PROPN
fuen-51	170	8	n	n	PROPN
fuen-51	170	9	,	,	PUNCT
fuen-51	170	10	jiao	jiao	PROPN
fuen-51	170	11	y	y	PROPN
fuen-51	170	12	,	,	PUNCT
fuen-51	170	13	xie	xie	PROPN
fuen-51	170	14	x	x	PROPN
fuen-51	170	15	,	,	PUNCT
fuen-51	170	16	pan	pan	PROPN
fuen-51	170	17	y	y	PROPN
fuen-51	170	18	,	,	PUNCT
fuen-51	170	19	li	li	PROPN
fuen-51	170	20	z	z	PROPN
fuen-51	170	21	,	,	PUNCT
fuen-51	170	22	et	et	PROPN
fuen-51	170	23	al	al	PROPN
fuen-51	170	24	.	.	PROPN
fuen-51	171	1	flame	flame	PROPN
fuen-51	171	2	length	length	NOUN
fuen-51	171	3	of	of	ADP
fuen-51	171	4	non	non	ADJ
fuen-51	171	5	-	-	ADJ
fuen-51	171	6	buoyant	buoyant	ADJ
fuen-51	171	7	turbulent	turbulent	ADJ
fuen-51	171	8	slot	slot	NOUN
fuen-51	171	9	flame	flame	NOUN
fuen-51	171	10	.	.	PUNCT
fuen-51	172	1	proceedings	proceeding	NOUN
fuen-51	172	2	of	of	ADP
fuen-51	172	3	the	the	DET
fuen-51	172	4	combustion	combustion	NOUN
fuen-51	172	5	institute	institute	NOUN
fuen-51	172	6	.	.	PUNCT
fuen-51	173	1	2019;37(3):3843	2019;37(3):3843	NUM
fuen-51	173	2	-	-	SYM
fuen-51	173	3	50	50	NUM
fuen-51	173	4	.	.	PUNCT
fuen-51	174	1	doi	doi	NOUN
fuen-51	174	2	:	:	PUNCT
fuen-51	174	3	https://doi.org/10.1016/j.proci.2018.05.152	https://doi.org/10.1016/j.proci.2018.05.152	NUM
fuen-51	174	4	.	.	PUNCT
fuen-51	175	1	[	[	X
fuen-51	175	2	7	7	X
fuen-51	175	3	]	]	X
fuen-51	175	4	sun	sun	NOUN
fuen-51	175	5	x	x	X
fuen-51	175	6	,	,	PUNCT
fuen-51	175	7	hu	hu	PROPN
fuen-51	175	8	l	l	PROPN
fuen-51	175	9	,	,	PUNCT
fuen-51	175	10	ren	ren	PROPN
fuen-51	175	11	f	f	PROPN
fuen-51	175	12	,	,	PUNCT
fuen-51	175	13	hu	hu	PROPN
fuen-51	175	14	k.	k.	PROPN
fuen-51	175	15	flame	flame	PROPN
fuen-51	175	16	height	height	NOUN
fuen-51	175	17	and	and	CCONJ
fuen-51	175	18	temperature	temperature	NOUN
fuen-51	175	19	profile	profile	NOUN
fuen-51	175	20	of	of	ADP
fuen-51	175	21	window	window	NOUN
fuen-51	175	22	ejected	eject	VERB
fuen-51	175	23	thermal	thermal	ADJ
fuen-51	175	24	plume	plume	NOUN
fuen-51	175	25	from	from	ADP
fuen-51	175	26	compartment	compartment	NOUN
fuen-51	175	27	fire	fire	NOUN
fuen-51	175	28	without	without	ADP
fuen-51	175	29	facade	facade	NOUN
fuen-51	175	30	wall	wall	NOUN
fuen-51	175	31	.	.	PUNCT
fuen-51	176	1	international	international	ADJ
fuen-51	176	2	journal	journal	PROPN
fuen-51	176	3	of	of	ADP
fuen-51	176	4	thermal	thermal	ADJ
fuen-51	176	5	sciences	science	NOUN
fuen-51	176	6	.	.	PUNCT
fuen-51	177	1	2018;127:53	2018;127:53	NOUN
fuen-51	177	2	-	-	SYM
fuen-51	177	3	60	60	NUM
fuen-51	177	4	.	.	PUNCT
fuen-51	178	1	doi	doi	NOUN
fuen-51	178	2	:	:	PUNCT
fuen-51	178	3	https://doi.org/10.1016/j.ijthermalsci.2018.01.015	https://doi.org/10.1016/j.ijthermalsci.2018.01.015	PROPN
fuen-51	178	4	.	.	PUNCT
fuen-51	179	1	[	[	X
fuen-51	179	2	8	8	NUM
fuen-51	179	3	]	]	PUNCT
fuen-51	179	4	xie	xie	PROPN
fuen-51	179	5	k	k	PROPN
fuen-51	179	6	,	,	PUNCT
fuen-51	179	7	cui	cui	PROPN
fuen-51	179	8	y	y	PROPN
fuen-51	179	9	,	,	PUNCT
fuen-51	179	10	wang	wang	PROPN
fuen-51	179	11	c	c	AUX
fuen-51	179	12	,	,	PUNCT
fuen-51	179	13	cui	cui	VERB
fuen-51	179	14	g	g	PROPN
fuen-51	179	15	,	,	PUNCT
fuen-51	179	16	wang	wang	PROPN
fuen-51	179	17	g	g	PROPN
fuen-51	179	18	,	,	PUNCT
fuen-51	179	19	qiu	qiu	PROPN
fuen-51	179	20	x	x	SYM
fuen-51	179	21	,	,	PUNCT
fuen-51	179	22	et	et	PROPN
fuen-51	179	23	al	al	PROPN
fuen-51	179	24	.	.	PROPN
fuen-51	179	25	study	study	NOUN
fuen-51	179	26	on	on	ADP
fuen-51	179	27	threshold	threshold	NOUN
fuen-51	179	28	selection	selection	NOUN
fuen-51	179	29	method	method	NOUN
fuen-51	179	30	of	of	ADP
fuen-51	179	31	continuous	continuous	ADJ
fuen-51	179	32	flame	flame	NOUN
fuen-51	179	33	images	image	NOUN
fuen-51	179	34	of	of	ADP
fuen-51	179	35	spray	spray	NOUN
fuen-51	179	36	combustion	combustion	NOUN
fuen-51	179	37	in	in	ADP
fuen-51	179	38	the	the	DET
fuen-51	179	39	low	low	ADJ
fuen-51	179	40	-	-	PUNCT
fuen-51	179	41	pressure	pressure	NOUN
fuen-51	179	42	chamber	chamber	NOUN
fuen-51	179	43	.	.	PUNCT
fuen-51	180	1	case	case	NOUN
fuen-51	180	2	studies	study	NOUN
fuen-51	180	3	in	in	ADP
fuen-51	180	4	thermal	thermal	ADJ
fuen-51	180	5	engineering	engineering	NOUN
fuen-51	180	6	.	.	PUNCT
fuen-51	181	1	2021;26:101195	2021;26:101195	NUM
fuen-51	181	2	.	.	X
fuen-51	181	3	doi	doi	NOUN
fuen-51	181	4	:	:	PUNCT
fuen-51	181	5	https://doi.org/10.1016/j.csite.2021.101195	https://doi.org/10.1016/j.csite.2021.101195	ADJ
fuen-51	181	6	.	.	PUNCT
fuen-51	182	1	[	[	X
fuen-51	182	2	9	9	NUM
fuen-51	182	3	]	]	X
fuen-51	182	4	tao	tao	PROPN
fuen-51	182	5	c	c	PROPN
fuen-51	182	6	,	,	PUNCT
fuen-51	182	7	liu	liu	PROPN
fuen-51	182	8	b	b	PROPN
fuen-51	182	9	,	,	PUNCT
fuen-51	182	10	dou	dou	PROPN
fuen-51	182	11	y	y	PROPN
fuen-51	182	12	,	,	PUNCT
fuen-51	182	13	qian	qian	PROPN
fuen-51	182	14	y	y	PROPN
fuen-51	182	15	,	,	PUNCT
fuen-51	182	16	zhang	zhang	PROPN
fuen-51	182	17	y	y	PROPN
fuen-51	182	18	,	,	PUNCT
fuen-51	182	19	meng	meng	PROPN
fuen-51	182	20	s.	s.	PROPN
fuen-51	182	21	the	the	DET
fuen-51	182	22	experimental	experimental	ADJ
fuen-51	182	23	study	study	NOUN
fuen-51	182	24	of	of	ADP
fuen-51	182	25	flame	flame	NOUN
fuen-51	182	26	height	height	NOUN
fuen-51	182	27	and	and	CCONJ
fuen-51	182	28	lift	lift	NOUN
fuen-51	182	29	-	-	PUNCT
fuen-51	182	30	off	off	ADP
fuen-51	182	31	height	height	NOUN
fuen-51	182	32	of	of	ADP
fuen-51	182	33	propane	propane	NOUN
fuen-51	182	34	diffusion	diffusion	NOUN
fuen-51	182	35	flames	flame	NOUN
fuen-51	182	36	diluted	dilute	VERB
fuen-51	182	37	by	by	ADP
fuen-51	182	38	carbon	carbon	NOUN
fuen-51	182	39	dioxide	dioxide	NOUN
fuen-51	182	40	.	.	PUNCT
fuen-51	183	1	fuel	fuel	NOUN
fuen-51	183	2	.	.	PUNCT
fuen-51	184	1	2021;290:119958	2021;290:119958	NUM
fuen-51	184	2	.	.	PUNCT
fuen-51	185	1	doi	doi	NOUN
fuen-51	185	2	:	:	PUNCT
fuen-51	185	3	https://doi.org/10.1016/j.fuel.2020.119958	https://doi.org/10.1016/j.fuel.2020.119958	PROPN
fuen-51	185	4	.	.	PUNCT
fuen-51	186	1	[	[	X
fuen-51	186	2	10	10	NUM
fuen-51	186	3	]	]	X
fuen-51	186	4	zhou	zhou	PROPN
fuen-51	186	5	z	z	PROPN
fuen-51	186	6	,	,	PUNCT
fuen-51	186	7	chen	chen	PROPN
fuen-51	186	8	g	g	PROPN
fuen-51	186	9	,	,	PUNCT
fuen-51	186	10	zhou	zhou	PROPN
fuen-51	186	11	c	c	PROPN
fuen-51	186	12	,	,	PUNCT
fuen-51	186	13	hu	hu	PROPN
fuen-51	187	1	k	k	PROPN
fuen-51	187	2	,	,	PUNCT
fuen-51	187	3	zhang	zhang	PROPN
fuen-51	187	4	q.	q.	PROPN
fuen-51	187	5	experimental	experimental	ADJ
fuen-51	187	6	study	study	NOUN
fuen-51	187	7	on	on	ADP
fuen-51	187	8	determination	determination	NOUN
fuen-51	187	9	of	of	ADP
fuen-51	187	10	flame	flame	NOUN
fuen-51	187	11	height	height	NOUN
fuen-51	187	12	and	and	CCONJ
fuen-51	187	13	lift	lift	NOUN
fuen-51	187	14	-	-	PUNCT
fuen-51	187	15	off	off	NOUN
fuen-51	187	16	distance	distance	NOUN
fuen-51	187	17	of	of	ADP
fuen-51	187	18	rectangular	rectangular	ADJ
fuen-51	187	19	source	source	NOUN
fuen-51	187	20	fuel	fuel	NOUN
fuen-51	187	21	jet	jet	NOUN
fuen-51	187	22	fires	fire	NOUN
fuen-51	187	23	.	.	PUNCT
fuen-51	188	1	applied	apply	VERB
fuen-51	188	2	thermal	thermal	ADJ
fuen-51	188	3	engineering	engineering	NOUN
fuen-51	188	4	.	.	PUNCT
fuen-51	189	1	2019;152:430	2019;152:430	NUM
fuen-51	189	2	-	-	SYM
fuen-51	189	3	6	6	NUM
fuen-51	189	4	.	.	PUNCT
fuen-51	190	1	doi	doi	NOUN
fuen-51	190	2	:	:	PUNCT
fuen-51	190	3	https://doi.org/10.1016/j.applthermaleng.2019.02.09	https://doi.org/10.1016/j.applthermaleng.2019.02.09	PROPN
fuen-51	190	4	4	4	NUM
fuen-51	190	5	.	.	PUNCT
fuen-51	191	1	[	[	X
fuen-51	191	2	11	11	NUM
fuen-51	191	3	]	]	PUNCT
fuen-51	191	4	maynard	maynard	NOUN
fuen-51	191	5	tb	tb	PROPN
fuen-51	191	6	,	,	PUNCT
fuen-51	191	7	butta	butta	NOUN
fuen-51	191	8	jw	jw	PROPN
fuen-51	191	9	.	.	PROPN
fuen-51	192	1	a	a	DET
fuen-51	192	2	physical	physical	ADJ
fuen-51	192	3	model	model	NOUN
fuen-51	192	4	for	for	ADP
fuen-51	192	5	flame	flame	ADJ
fuen-51	192	6	height	height	NOUN
fuen-51	192	7	intermittency	intermittency	NOUN
fuen-51	192	8	.	.	PUNCT
fuen-51	193	1	fire	fire	NOUN
fuen-51	193	2	technology	technology	NOUN
fuen-51	193	3	.	.	PUNCT
fuen-51	194	1	2018;54(1):135	2018;54(1):135	NUM
fuen-51	194	2	-	-	SYM
fuen-51	194	3	61	61	NUM
fuen-51	194	4	.	.	PUNCT
fuen-51	195	1	doi	doi	NOUN
fuen-51	195	2	:	:	PUNCT
fuen-51	195	3	10.1007	10.1007	NUM
fuen-51	195	4	/	/	SYM
fuen-51	195	5	s10694	s10694	NOUN
fuen-51	195	6	-	-	PUNCT
fuen-51	195	7	017	017	NUM
fuen-51	195	8	-	-	PUNCT
fuen-51	195	9	0678	0678	NUM
fuen-51	195	10	-	-	SYM
fuen-51	195	11	7	7	NUM
fuen-51	195	12	.	.	PUNCT
fuen-51	196	1	[	[	X
fuen-51	196	2	12	12	NUM
fuen-51	196	3	]	]	X
fuen-51	196	4	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	196	5	s	s	PROPN
fuen-51	196	6	,	,	PUNCT
fuen-51	196	7	robati	robati	PROPN
fuen-51	196	8	sm	sm	PROPN
fuen-51	196	9	.	.	PUNCT
fuen-51	196	10	effects	effect	NOUN
fuen-51	196	11	of	of	ADP
fuen-51	196	12	coaxial	coaxial	ADJ
fuen-51	196	13	airflow	airflow	ADJ
fuen-51	196	14	swirl	swirl	NOUN
fuen-51	196	15	number	number	NOUN
fuen-51	196	16	on	on	ADP
fuen-51	196	17	combustion	combustion	NOUN
fuen-51	196	18	and	and	CCONJ
fuen-51	196	19	flame	flame	NOUN
fuen-51	196	20	characteristics	characteristic	NOUN
fuen-51	196	21	of	of	ADP
fuen-51	196	22	methane	methane	NOUN
fuen-51	196	23	/	/	SYM
fuen-51	196	24	air	air	NOUN
fuen-51	196	25	and	and	CCONJ
fuen-51	196	26	n	n	CCONJ
fuen-51	196	27	-	-	PUNCT
fuen-51	196	28	butane	butane	NOUN
fuen-51	196	29	/	/	SYM
fuen-51	196	30	air	air	NOUN
fuen-51	196	31	flames	flame	NOUN
fuen-51	196	32	in	in	ADP
fuen-51	196	33	a	a	DET
fuen-51	196	34	miniature	miniature	ADJ
fuen-51	196	35	-	-	PUNCT
fuen-51	196	36	scale	scale	NOUN
fuen-51	196	37	swirl	swirl	NOUN
fuen-51	196	38	burner	burner	NOUN
fuen-51	196	39	.	.	PUNCT
fuen-51	197	1	engineering	engineering	NOUN
fuen-51	197	2	research	research	NOUN
fuen-51	197	3	express	express	NOUN
fuen-51	197	4	.	.	PUNCT
fuen-51	198	1	2022;4(2):025045	2022;4(2):025045	NUM
fuen-51	198	2	.	.	X
fuen-51	199	1	doi	doi	NOUN
fuen-51	199	2	:	:	PUNCT
fuen-51	199	3	http://dx.doi.org/10.1088/2631-8695/ac77dc	http://dx.doi.org/10.1088/2631-8695/ac77dc	X
fuen-51	199	4	.	.	PUNCT
fuen-51	200	1	[	[	X
fuen-51	200	2	13	13	NUM
fuen-51	200	3	]	]	X
fuen-51	200	4	gao	gao	PROPN
fuen-51	200	5	w	w	PROPN
fuen-51	200	6	,	,	PUNCT
fuen-51	200	7	liu	liu	PROPN
fuen-51	200	8	n	n	PROPN
fuen-51	200	9	,	,	PUNCT
fuen-51	200	10	jiao	jiao	PROPN
fuen-51	200	11	y	y	PROPN
fuen-51	200	12	,	,	PUNCT
fuen-51	200	13	xie	xie	PROPN
fuen-51	200	14	x	x	PROPN
fuen-51	200	15	,	,	PUNCT
fuen-51	200	16	pan	pan	PROPN
fuen-51	200	17	y	y	PROPN
fuen-51	200	18	,	,	PUNCT
fuen-51	200	19	li	li	PROPN
fuen-51	200	20	z	z	PROPN
fuen-51	200	21	,	,	PUNCT
fuen-51	200	22	et	et	PROPN
fuen-51	200	23	al	al	PROPN
fuen-51	200	24	.	.	PROPN
fuen-51	201	1	flame	flame	PROPN
fuen-51	201	2	length	length	NOUN
fuen-51	201	3	of	of	ADP
fuen-51	201	4	buoyant	buoyant	ADJ
fuen-51	201	5	turbulent	turbulent	ADJ
fuen-51	201	6	slot	slot	NOUN
fuen-51	201	7	flame	flame	NOUN
fuen-51	201	8	.	.	PUNCT
fuen-51	202	1	proceedings	proceeding	NOUN
fuen-51	202	2	of	of	ADP
fuen-51	202	3	the	the	DET
fuen-51	202	4	combustion	combustion	NOUN
fuen-51	202	5	institute	institute	NOUN
fuen-51	202	6	.	.	PUNCT
fuen-51	203	1	2019;37(3):3851	2019;37(3):3851	PROPN
fuen-51	203	2	-	-	SYM
fuen-51	203	3	8	8	NUM
fuen-51	203	4	.	.	PUNCT
fuen-51	204	1	doi	doi	NOUN
fuen-51	204	2	:	:	PUNCT
fuen-51	204	3	https://doi.org/10.1016/j.proci.2018.05.153	https://doi.org/10.1016/j.proci.2018.05.153	PROPN
fuen-51	204	4	.	.	PUNCT
fuen-51	205	1	[	[	X
fuen-51	205	2	14	14	NUM
fuen-51	205	3	]	]	X
fuen-51	205	4	zheng	zheng	PROPN
fuen-51	205	5	l	l	PROPN
fuen-51	205	6	,	,	PUNCT
fuen-51	205	7	yu	yu	PROPN
fuen-51	205	8	m	m	PROPN
fuen-51	205	9	,	,	PUNCT
fuen-51	205	10	yu	yu	PROPN
fuen-51	205	11	s	s	PROPN
fuen-51	205	12	,	,	PUNCT
fuen-51	205	13	lu	lu	PROPN
fuen-51	205	14	c.	c.	PROPN
fuen-51	205	15	measurement	measurement	PROPN
fuen-51	205	16	of	of	ADP
fuen-51	205	17	flame	flame	NOUN
fuen-51	205	18	height	height	NOUN
fuen-51	205	19	by	by	ADP
fuen-51	205	20	image	image	NOUN
fuen-51	205	21	processing	processing	NOUN
fuen-51	205	22	method	method	NOUN
fuen-51	205	23	.	.	PUNCT
fuen-51	206	1	advanced	advanced	ADJ
fuen-51	206	2	materials	material	NOUN
fuen-51	206	3	research	research	NOUN
fuen-51	206	4	.	.	PUNCT
fuen-51	207	1	2011;301	2011;301	NUM
fuen-51	207	2	-	-	PUNCT
fuen-51	207	3	303:983	303:983	NOUN
fuen-51	207	4	-	-	PUNCT
fuen-51	207	5	8	8	NUM
fuen-51	207	6	.	.	PUNCT
fuen-51	208	1	doi	doi	NOUN
fuen-51	208	2	:	:	PUNCT
fuen-51	208	3	10.4028	10.4028	NUM
fuen-51	208	4	/	/	SYM
fuen-51	208	5	www.scientific.net	www.scientific.net	NOUN
fuen-51	208	6	/	/	SYM
fuen-51	208	7	amr.301	amr.301	PROPN
fuen-51	208	8	-	-	PUNCT
fuen-51	208	9	303.983	303.983	NUM
fuen-51	208	10	.	.	PUNCT
fuen-51	209	1	[	[	X
fuen-51	209	2	15	15	NUM
fuen-51	209	3	]	]	X
fuen-51	209	4	liu	liu	PROPN
fuen-51	209	5	t	t	PROPN
fuen-51	209	6	,	,	PUNCT
fuen-51	209	7	bai	bai	PROPN
fuen-51	209	8	f	f	PROPN
fuen-51	209	9	,	,	PUNCT
fuen-51	209	10	zhao	zhao	PROPN
fuen-51	209	11	z	z	PROPN
fuen-51	209	12	,	,	PUNCT
fuen-51	209	13	lin	lin	PROPN
fuen-51	209	14	y	y	PROPN
fuen-51	209	15	,	,	PUNCT
fuen-51	209	16	du	du	PROPN
fuen-51	209	17	q	q	PROPN
fuen-51	209	18	,	,	PUNCT
fuen-51	209	19	peng	peng	PROPN
fuen-51	209	20	z.	z.	PROPN
fuen-51	209	21	large	large	ADJ
fuen-51	209	22	eddy	eddy	PROPN
fuen-51	209	23	simulation	simulation	NOUN
fuen-51	209	24	analysis	analysis	NOUN
fuen-51	209	25	on	on	ADP
fuen-51	209	26	confined	confine	VERB
fuen-51	209	27	swirling	swirling	ADJ
fuen-51	209	28	flows	flow	NOUN
fuen-51	209	29	in	in	ADP
fuen-51	209	30	a	a	DET
fuen-51	209	31	gas	gas	NOUN
fuen-51	209	32	turbine	turbine	NOUN
fuen-51	209	33	swirl	swirl	NOUN
fuen-51	209	34	burner	burner	NOUN
fuen-51	209	35	.	.	PUNCT
fuen-51	210	1	energies	energy	NOUN
fuen-51	210	2	.	.	PUNCT
fuen-51	211	1	2017;10(12	2017;10(12	NUM
fuen-51	211	2	)	)	PUNCT
fuen-51	211	3	.	.	PUNCT
fuen-51	212	1	doi	doi	NOUN
fuen-51	212	2	:	:	PUNCT
fuen-51	212	3	10.3390	10.3390	NUM
fuen-51	212	4	/	/	SYM
fuen-51	212	5	en10122081	en10122081	NOUN
fuen-51	212	6	.	.	PUNCT
fuen-51	213	1	[	[	X
fuen-51	213	2	16	16	NUM
fuen-51	213	3	]	]	X
fuen-51	213	4	o'connor	o'connor	PROPN
fuen-51	213	5	j	j	PROPN
fuen-51	213	6	,	,	PUNCT
fuen-51	213	7	lieuwen	lieuwen	ADJ
fuen-51	213	8	t.	t.	NOUN
fuen-51	213	9	recirculation	recirculation	NOUN
fuen-51	213	10	zone	zone	NOUN
fuen-51	213	11	dynamics	dynamic	NOUN
fuen-51	213	12	of	of	ADP
fuen-51	213	13	a	a	DET
fuen-51	213	14	transversely	transversely	ADV
fuen-51	213	15	excited	excite	VERB
fuen-51	213	16	swirl	swirl	ADJ
fuen-51	213	17	flow	flow	NOUN
fuen-51	213	18	and	and	CCONJ
fuen-51	213	19	flame	flame	NOUN
fuen-51	213	20	.	.	PUNCT
fuen-51	214	1	physics	physics	PROPN
fuen-51	214	2	of	of	ADP
fuen-51	214	3	fluids	fluid	NOUN
fuen-51	214	4	.	.	PUNCT
fuen-51	215	1	2012;24	2012;24	X
fuen-51	215	2	.	.	PUNCT
fuen-51	216	1	doi	doi	NOUN
fuen-51	216	2	:	:	PUNCT
fuen-51	216	3	10.1063/1.4731300	10.1063/1.4731300	NUM
fuen-51	216	4	.	.	PUNCT
fuen-51	217	1	[	[	X
fuen-51	217	2	17	17	NUM
fuen-51	217	3	]	]	SYM
fuen-51	217	4	feikema	feikema	NOUN
fuen-51	217	5	d	d	PROPN
fuen-51	217	6	,	,	PUNCT
fuen-51	217	7	chen	chen	PROPN
fuen-51	217	8	r	r	PROPN
fuen-51	217	9	-	-	PUNCT
fuen-51	217	10	h	h	NOUN
fuen-51	217	11	,	,	PUNCT
fuen-51	217	12	driscoll	driscoll	PROPN
fuen-51	217	13	jf	jf	PROPN
fuen-51	217	14	.	.	PROPN
fuen-51	217	15	enhancement	enhancement	NOUN
fuen-51	217	16	of	of	ADP
fuen-51	217	17	flame	flame	NOUN
fuen-51	217	18	blowout	blowout	NOUN
fuen-51	217	19	limits	limit	NOUN
fuen-51	217	20	by	by	ADP
fuen-51	217	21	the	the	DET
fuen-51	217	22	use	use	NOUN
fuen-51	217	23	of	of	ADP
fuen-51	217	24	swirl	swirl	NOUN
fuen-51	217	25	.	.	PUNCT
fuen-51	218	1	combustion	combustion	NOUN
fuen-51	218	2	and	and	CCONJ
fuen-51	218	3	flame	flame	NOUN
fuen-51	218	4	.	.	PUNCT
fuen-51	219	1	1990;80(2):183	1990;80(2):183	NUM
fuen-51	219	2	-	-	PUNCT
fuen-51	219	3	95	95	NUM
fuen-51	219	4	.	.	PUNCT
fuen-51	220	1	doi	doi	NOUN
fuen-51	220	2	:	:	PUNCT
fuen-51	220	3	https://doi.org/10.1016/0010-2180(90)90126-c	https://doi.org/10.1016/0010-2180(90)90126-c	ADJ
fuen-51	220	4	.	.	PUNCT
fuen-51	221	1	[	[	X
fuen-51	221	2	18	18	NUM
fuen-51	221	3	]	]	X
fuen-51	221	4	fernandez	fernandez	NOUN
fuen-51	221	5	-	-	PUNCT
fuen-51	221	6	pello	pello	PROPN
fuen-51	221	7	ac	ac	PROPN
fuen-51	221	8	.	.	PUNCT
fuen-51	222	1	micropower	micropower	NOUN
fuen-51	222	2	generation	generation	NOUN
fuen-51	222	3	using	use	VERB
fuen-51	222	4	combustion	combustion	NOUN
fuen-51	222	5	:	:	PUNCT
fuen-51	222	6	issues	issue	NOUN
fuen-51	222	7	and	and	CCONJ
fuen-51	222	8	approaches	approach	NOUN
fuen-51	222	9	.	.	PUNCT
fuen-51	223	1	proceedings	proceeding	NOUN
fuen-51	223	2	of	of	ADP
fuen-51	223	3	the	the	DET
fuen-51	223	4	combustion	combustion	NOUN
fuen-51	223	5	institute	institute	NOUN
fuen-51	223	6	.	.	PUNCT
fuen-51	224	1	2002;29(1):883	2002;29(1):883	NUM
fuen-51	224	2	-	-	SYM
fuen-51	224	3	99	99	NUM
fuen-51	224	4	.	.	PUNCT
fuen-51	225	1	doi	doi	NOUN
fuen-51	225	2	:	:	PUNCT
fuen-51	225	3	https://doi.org/10.1016/s1540-7489(02)80113-4	https://doi.org/10.1016/s1540-7489(02)80113-4	NOUN
fuen-51	225	4	.	.	PUNCT
fuen-51	226	1	[	[	X
fuen-51	226	2	19	19	NUM
fuen-51	226	3	]	]	SYM
fuen-51	226	4	ju	ju	PROPN
fuen-51	226	5	y	y	PROPN
fuen-51	226	6	,	,	PUNCT
fuen-51	226	7	cadou	cadou	NOUN
fuen-51	226	8	c	c	NOUN
fuen-51	226	9	,	,	PUNCT
fuen-51	226	10	maruta	maruta	PROPN
fuen-51	226	11	k.	k.	PROPN
fuen-51	226	12	microscale	microscale	PROPN
fuen-51	226	13	combustion	combustion	NOUN
fuen-51	226	14	and	and	CCONJ
fuen-51	226	15	power	power	NOUN
fuen-51	226	16	generation	generation	NOUN
fuen-51	226	17	.	.	PUNCT
fuen-51	227	1	momentum	momentum	NOUN
fuen-51	227	2	press	press	NOUN
fuen-51	227	3	;	;	PUNCT
fuen-51	227	4	2014	2014	NUM
fuen-51	227	5	.	.	PUNCT
fuen-51	228	1	[	[	X
fuen-51	228	2	20	20	NUM
fuen-51	228	3	]	]	PUNCT
fuen-51	228	4	kyritsis	kyritsis	PROPN
fuen-51	228	5	dc	dc	PROPN
fuen-51	228	6	,	,	PUNCT
fuen-51	228	7	roychoudhury	roychoudhury	PROPN
fuen-51	228	8	s	s	PART
fuen-51	228	9	,	,	PUNCT
fuen-51	228	10	mcenally	mcenally	ADV
fuen-51	228	11	cs	cs	ADJ
fuen-51	228	12	,	,	PUNCT
fuen-51	228	13	pfefferle	pfefferle	NOUN
fuen-51	228	14	ld	ld	PROPN
fuen-51	228	15	,	,	PUNCT
fuen-51	228	16	gomez	gomez	PROPN
fuen-51	228	17	a.	a.	PROPN
fuen-51	228	18	mesoscale	mesoscale	PROPN
fuen-51	228	19	combustion	combustion	NOUN
fuen-51	228	20	:	:	PUNCT
fuen-51	228	21	a	a	DET
fuen-51	228	22	first	first	ADJ
fuen-51	228	23	step	step	NOUN
fuen-51	228	24	towards	towards	ADP
fuen-51	228	25	liquid	liquid	ADJ
fuen-51	228	26	fueled	fuel	VERB
fuen-51	228	27	batteries	battery	NOUN
fuen-51	228	28	.	.	PUNCT
fuen-51	229	1	experimental	experimental	ADJ
fuen-51	229	2	thermal	thermal	ADJ
fuen-51	229	3	and	and	CCONJ
fuen-51	229	4	fluid	fluid	ADJ
fuen-51	229	5	science	science	NOUN
fuen-51	229	6	.	.	PUNCT
fuen-51	230	1	2004;28(7):763	2004;28(7):763	NUM
fuen-51	230	2	-	-	PUNCT
fuen-51	230	3	70	70	NUM
fuen-51	230	4	.	.	PUNCT
fuen-51	231	1	doi	doi	NOUN
fuen-51	231	2	:	:	PUNCT
fuen-51	231	3	https://doi.org/10.1016/j.expthermflusci.2003.12.014	https://doi.org/10.1016/j.expthermflusci.2003.12.014	PROPN
fuen-51	232	1	[	[	X
fuen-51	232	2	21	21	NUM
fuen-51	232	3	]	]	X
fuen-51	232	4	maruta	maruta	PROPN
fuen-51	232	5	k.	k.	PROPN
fuen-51	232	6	micro	micro	PROPN
fuen-51	232	7	and	and	CCONJ
fuen-51	232	8	mesoscale	mesoscale	ADJ
fuen-51	232	9	combustion	combustion	NOUN
fuen-51	232	10	.	.	PUNCT
fuen-51	233	1	proceedings	proceeding	NOUN
fuen-51	233	2	of	of	ADP
fuen-51	233	3	the	the	DET
fuen-51	233	4	combustion	combustion	NOUN
fuen-51	233	5	institute	institute	NOUN
fuen-51	233	6	.	.	PUNCT
fuen-51	234	1	2011;33(1):125	2011;33(1):125	NUM
fuen-51	234	2	-	-	PUNCT
fuen-51	234	3	50	50	NUM
fuen-51	234	4	.	.	PUNCT
fuen-51	235	1	doi	doi	NOUN
fuen-51	235	2	:	:	PUNCT
fuen-51	235	3	https://doi.org/10.1016/j.proci.2010.09.005	https://doi.org/10.1016/j.proci.2010.09.005	VERB
fuen-51	235	4	.	.	PUNCT
fuen-51	236	1	[	[	X
fuen-51	236	2	22	22	NUM
fuen-51	236	3	]	]	X
fuen-51	236	4	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	236	5	s	s	PROPN
fuen-51	236	6	,	,	PUNCT
fuen-51	236	7	robati	robati	PROPN
fuen-51	236	8	sm	sm	PROPN
fuen-51	236	9	.	.	PUNCT
fuen-51	236	10	development	development	NOUN
fuen-51	236	11	of	of	ADP
fuen-51	236	12	a	a	DET
fuen-51	236	13	small	small	ADJ
fuen-51	236	14	power	power	NOUN
fuen-51	236	15	generation	generation	NOUN
fuen-51	236	16	system	system	NOUN
fuen-51	236	17	with	with	ADP
fuen-51	236	18	a	a	DET
fuen-51	236	19	miniature	miniature	ADJ
fuen-51	236	20	-	-	PUNCT
fuen-51	236	21	scale	scale	NOUN
fuen-51	236	22	swirl	swirl	NOUN
fuen-51	236	23	burner	burner	NOUN
fuen-51	236	24	,	,	PUNCT
fuen-51	236	25	controlled	control	VERB
fuen-51	236	26	heat	heat	NOUN
fuen-51	236	27	transfer	transfer	NOUN
fuen-51	236	28	,	,	PUNCT
fuen-51	236	29	and	and	CCONJ
fuen-51	236	30	thermoelectric	thermoelectric	ADJ
fuen-51	236	31	generators	generator	NOUN
fuen-51	236	32	.	.	PUNCT
fuen-51	237	1	engineering	engineering	NOUN
fuen-51	237	2	research	research	NOUN
fuen-51	237	3	express	express	NOUN
fuen-51	237	4	.	.	PUNCT
fuen-51	238	1	2022;4(2):025006	2022;4(2):025006	X
fuen-51	238	2	.	.	X
fuen-51	238	3	doi	doi	NOUN
fuen-51	238	4	:	:	PUNCT
fuen-51	238	5	https://doi.org/10.1088/2631-8695/ac6281	https://doi.org/10.1088/2631-8695/ac6281	X
fuen-51	238	6	.	.	PUNCT
fuen-51	239	1	[	[	X
fuen-51	239	2	23	23	NUM
fuen-51	239	3	]	]	X
fuen-51	239	4	lefebvre	lefebvre	PROPN
fuen-51	239	5	ah	ah	INTJ
fuen-51	239	6	,	,	PUNCT
fuen-51	239	7	ballal	ballal	PROPN
fuen-51	239	8	dr	dr	PROPN
fuen-51	239	9	.	.	PROPN
fuen-51	239	10	gas	gas	NOUN
fuen-51	239	11	turbine	turbine	NOUN
fuen-51	239	12	combustion	combustion	NOUN
fuen-51	239	13	:	:	PUNCT
fuen-51	239	14	alternative	alternative	ADJ
fuen-51	239	15	fuels	fuel	NOUN
fuen-51	239	16	and	and	CCONJ
fuen-51	239	17	emissions	emission	NOUN
fuen-51	239	18	,	,	PUNCT
fuen-51	239	19	third	third	ADJ
fuen-51	239	20	edition	edition	NOUN
fuen-51	239	21	.	.	PUNCT
fuen-51	240	1	taylor	taylor	PROPN
fuen-51	240	2	&	&	CCONJ
fuen-51	240	3	francis	francis	PROPN
fuen-51	240	4	;	;	PUNCT
fuen-51	240	5	2010	2010	NUM
fuen-51	240	6	.	.	PUNCT
fuen-51	241	1	[	[	X
fuen-51	241	2	24	24	NUM
fuen-51	241	3	]	]	PUNCT
fuen-51	241	4	alsulami	alsulami	NOUN
fuen-51	241	5	r	r	NOUN
fuen-51	241	6	,	,	PUNCT
fuen-51	241	7	windom	windom	PROPN
fuen-51	241	8	b.	b.	PROPN
fuen-51	241	9	liquid	liquid	ADJ
fuen-51	241	10	jet	jet	NOUN
fuen-51	241	11	fuel	fuel	NOUN
fuen-51	241	12	property	property	NOUN
fuen-51	241	13	impacts	impact	NOUN
fuen-51	241	14	on	on	ADP
fuen-51	241	15	combustion	combustion	NOUN
fuen-51	241	16	performance	performance	NOUN
fuen-51	241	17	.	.	PUNCT
fuen-51	242	1	journal	journal	NOUN
fuen-51	242	2	of	of	ADP
fuen-51	242	3	propulsion	propulsion	NOUN
fuen-51	242	4	and	and	CCONJ
fuen-51	242	5	power	power	NOUN
fuen-51	242	6	.	.	PUNCT
fuen-51	243	1	2020;37	2020;37	X
fuen-51	243	2	.	.	PUNCT
fuen-51	244	1	doi	doi	NOUN
fuen-51	244	2	:	:	PUNCT
fuen-51	244	3	10.2514/1.b38209	10.2514/1.b38209	NUM
fuen-51	244	4	.	.	PUNCT
fuen-51	245	1	[	[	X
fuen-51	245	2	25	25	NUM
fuen-51	245	3	]	]	X
fuen-51	245	4	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	245	5	s	s	PROPN
fuen-51	245	6	,	,	PUNCT
fuen-51	245	7	karami	karami	PROPN
fuen-51	245	8	s.	s.	PROPN
fuen-51	245	9	comparative	comparative	PROPN
fuen-51	245	10	study	study	NOUN
fuen-51	245	11	on	on	ADP
fuen-51	245	12	threshold	threshold	NOUN
fuen-51	245	13	selection	selection	NOUN
fuen-51	245	14	for	for	ADP
fuen-51	245	15	measuring	measure	VERB
fuen-51	245	16	characteristics	characteristic	NOUN
fuen-51	245	17	of	of	ADP
fuen-51	245	18	turbulent	turbulent	ADJ
fuen-51	245	19	swirling	swirling	ADJ
fuen-51	245	20	flames	flame	NOUN
fuen-51	245	21	in	in	ADP
fuen-51	245	22	a	a	DET
fuen-51	245	23	miniature	miniature	ADJ
fuen-51	245	24	-	-	PUNCT
fuen-51	245	25	scale	scale	NOUN
fuen-51	245	26	swirl	swirl	NOUN
fuen-51	245	27	burner	burner	NOUN
fuen-51	245	28	.	.	PUNCT
fuen-51	245	29	signal	signal	NOUN
fuen-51	245	30	,	,	PUNCT
fuen-51	245	31	image	image	NOUN
fuen-51	245	32	and	and	CCONJ
fuen-51	245	33	video	video	NOUN
fuen-51	245	34	processing	processing	NOUN
fuen-51	245	35	.	.	PUNCT
fuen-51	246	1	2022	2022	NUM
fuen-51	246	2	.	.	PUNCT
fuen-51	247	1	doi	doi	NOUN
fuen-51	247	2	:	:	PUNCT
fuen-51	247	3	10.1007	10.1007	NUM
fuen-51	247	4	/	/	SYM
fuen-51	247	5	s11760	s11760	NOUN
fuen-51	247	6	-	-	PUNCT
fuen-51	247	7	022	022	NUM
fuen-51	247	8	-	-	PUNCT
fuen-51	247	9	02344	02344	NUM
fuen-51	247	10	-	-	SYM
fuen-51	247	11	7	7	NUM
fuen-51	247	12	.	.	PUNCT
fuen-51	248	1	[	[	X
fuen-51	248	2	26	26	NUM
fuen-51	248	3	]	]	PUNCT
fuen-51	248	4	patel	patel	PROPN
fuen-51	248	5	v	v	PROPN
fuen-51	248	6	,	,	PUNCT
fuen-51	248	7	shah	shah	PROPN
fuen-51	248	8	r.	r.	PROPN
fuen-51	248	9	experimental	experimental	PROPN
fuen-51	248	10	investigation	investigation	NOUN
fuen-51	248	11	on	on	ADP
fuen-51	248	12	flame	flame	ADJ
fuen-51	248	13	appearance	appearance	NOUN
fuen-51	248	14	and	and	CCONJ
fuen-51	248	15	emission	emission	NOUN
fuen-51	248	16	characteristics	characteristic	NOUN
fuen-51	248	17	of	of	ADP
fuen-51	248	18	lpg	lpg	NOUN
fuen-51	248	19	inverse	inverse	NOUN
fuen-51	248	20	diffusion	diffusion	NOUN
fuen-51	248	21	flame	flame	NOUN
fuen-51	248	22	with	with	ADP
fuen-51	248	23	swirl	swirl	NOUN
fuen-51	248	24	.	.	PUNCT
fuen-51	249	1	applied	apply	VERB
fuen-51	249	2	thermal	thermal	ADJ
fuen-51	249	3	engineering	engineering	NOUN
fuen-51	249	4	.	.	PUNCT
fuen-51	250	1	2018;137:377	2018;137:377	X
fuen-51	250	2	-	-	SYM
fuen-51	250	3	85	85	NUM
fuen-51	250	4	.	.	PUNCT
fuen-51	251	1	doi	doi	NOUN
fuen-51	251	2	:	:	PUNCT
fuen-51	251	3	https://doi.org/10.1016/j.applthermaleng.2018.03.10	https://doi.org/10.1016/j.applthermaleng.2018.03.10	PROPN
fuen-51	251	4	5	5	NUM
fuen-51	251	5	.	.	PUNCT
fuen-51	252	1	[	[	X
fuen-51	252	2	27	27	NUM
fuen-51	252	3	]	]	X
fuen-51	252	4	yoon	yoon	PROPN
fuen-51	252	5	j	j	PROPN
fuen-51	252	6	,	,	PUNCT
fuen-51	252	7	kim	kim	PROPN
fuen-51	252	8	m	m	PROPN
fuen-51	252	9	-	-	PROPN
fuen-51	252	10	k	k	PROPN
fuen-51	252	11	,	,	PUNCT
fuen-51	252	12	hwang	hwang	PROPN
fuen-51	252	13	j	j	PROPN
fuen-51	252	14	,	,	PUNCT
fuen-51	252	15	lee	lee	PROPN
fuen-51	252	16	j	j	PROPN
fuen-51	252	17	,	,	PUNCT
fuen-51	252	18	yoon	yoon	PROPN
fuen-51	252	19	y.	y.	PROPN
fuen-51	252	20	effect	effect	NOUN
fuen-51	252	21	of	of	ADP
fuen-51	252	22	fuel	fuel	NOUN
fuen-51	252	23	–	–	PUNCT
fuen-51	252	24	air	air	NOUN
fuen-51	252	25	mixture	mixture	NOUN
fuen-51	252	26	velocity	velocity	NOUN
fuen-51	252	27	on	on	ADP
fuen-51	252	28	combustion	combustion	NOUN
fuen-51	252	29	instability	instability	NOUN
fuen-51	252	30	of	of	ADP
fuen-51	252	31	a	a	DET
fuen-51	252	32	model	model	NOUN
fuen-51	252	33	gas	gas	NOUN
fuen-51	252	34	turbine	turbine	NOUN
fuen-51	252	35	combustor	combustor	NOUN
fuen-51	252	36	.	.	PUNCT
fuen-51	253	1	applied	apply	VERB
fuen-51	253	2	thermal	thermal	ADJ
fuen-51	253	3	engineering	engineering	NOUN
fuen-51	253	4	.	.	PUNCT
fuen-51	254	1	2013;54(1):92	2013;54(1):92	NUM
fuen-51	254	2	-	-	SYM
fuen-51	254	3	101	101	NUM
fuen-51	254	4	.	.	PUNCT
fuen-51	255	1	doi	doi	NOUN
fuen-51	255	2	:	:	PUNCT
fuen-51	255	3	https://doi.org/10.1016/j.applthermaleng.2013.01.03	https://doi.org/10.1016/j.applthermaleng.2013.01.03	PROPN
fuen-51	255	4	2	2	NUM
fuen-51	255	5	.	.	PUNCT
fuen-51	256	1	[	[	X
fuen-51	256	2	28	28	NUM
fuen-51	256	3	]	]	X
fuen-51	256	4	xiong	xiong	PROPN
fuen-51	256	5	c	c	X
fuen-51	256	6	,	,	PUNCT
fuen-51	256	7	liu	liu	PROPN
fuen-51	256	8	y	y	PROPN
fuen-51	256	9	,	,	PUNCT
fuen-51	256	10	fan	fan	PROPN
fuen-51	256	11	h	h	PROPN
fuen-51	256	12	,	,	PUNCT
fuen-51	256	13	huang	huang	PROPN
fuen-51	256	14	x	x	PROPN
fuen-51	256	15	,	,	PUNCT
fuen-51	256	16	nakamura	nakamura	PROPN
fuen-51	256	17	y.	y.	PROPN
fuen-51	256	18	fluctuation	fluctuation	PROPN
fuen-51	256	19	and	and	CCONJ
fuen-51	256	20	extinction	extinction	NOUN
fuen-51	256	21	of	of	ADP
fuen-51	256	22	laminar	laminar	ADJ
fuen-51	256	23	diffusion	diffusion	NOUN
fuen-51	256	24	flame	flame	NOUN
fuen-51	256	25	induced	induce	VERB
fuen-51	256	26	by	by	ADP
fuen-51	256	27	external	external	ADJ
fuen-51	256	28	acoustic	acoustic	ADJ
fuen-51	256	29	wave	wave	NOUN
fuen-51	256	30	and	and	CCONJ
fuen-51	256	31	source	source	NOUN
fuen-51	256	32	.	.	PUNCT
fuen-51	257	1	scientific	scientific	ADJ
fuen-51	257	2	reports	report	NOUN
fuen-51	257	3	.	.	PUNCT
fuen-51	258	1	2021;11(1):14402	2021;11(1):14402	NUM
fuen-51	258	2	.	.	PUNCT
fuen-51	259	1	doi	doi	NOUN
fuen-51	259	2	:	:	PUNCT
fuen-51	259	3	https://doi.org/10.1038/s41598-021-93648-0	https://doi.org/10.1038/s41598-021-93648-0	NUM
fuen-51	259	4	.	.	PUNCT
fuen-51	260	1	https://doi.org/10.1038/s41598-021-93648-0	https://doi.org/10.1038/s41598-021-93648-0	NUM
fuen-51	260	2	s.	s.	PROPN
fuen-51	260	3	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	260	4	/	/	SYM
fuen-51	260	5	future	future	ADJ
fuen-51	260	6	energy	energy	NOUN
fuen-51	260	7	february	february	PROPN
fuen-51	260	8	2023|	2023|	NUM
fuen-51	260	9	volume	volume	NOUN
fuen-51	260	10	02	02	NUM
fuen-51	261	1	|	|	NOUN
fuen-51	261	2	issue	issue	NOUN
fuen-51	261	3	01	01	NUM
fuen-51	262	1	|	|	NOUN
fuen-51	262	2	pages	page	VERB
fuen-51	262	3	27	27	NUM
fuen-51	262	4	-	-	SYM
fuen-51	262	5	37	37	NUM
fuen-51	262	6	35	35	NUM
fuen-51	262	7	appendix	appendix	NOUN
fuen-51	263	1	i	i	PRON
fuen-51	263	2	(	(	PUNCT
fuen-51	263	3	a	a	NOUN
fuen-51	263	4	)	)	PUNCT
fuen-51	263	5	(	(	PUNCT
fuen-51	263	6	b	b	X
fuen-51	263	7	)	)	PUNCT
fuen-51	263	8	(	(	PUNCT
fuen-51	263	9	c	c	X
fuen-51	263	10	)	)	PUNCT
fuen-51	263	11	figure	figure	NOUN
fuen-51	263	12	1	1	NUM
fuen-51	263	13	.	.	PUNCT
fuen-51	263	14	fluctuations	fluctuation	NOUN
fuen-51	263	15	of	of	ADP
fuen-51	263	16	flame	flame	NOUN
fuen-51	263	17	length	length	NOUN
fuen-51	263	18	and	and	CCONJ
fuen-51	263	19	width	width	VERB
fuen-51	263	20	differences	difference	NOUN
fuen-51	263	21	with	with	ADP
fuen-51	263	22	time	time	NOUN
fuen-51	263	23	(	(	PUNCT
fuen-51	263	24	2000	2000	NUM
fuen-51	263	25	frames	frame	NOUN
fuen-51	263	26	in	in	ADP
fuen-51	263	27	5	5	NUM
fuen-51	263	28	seconds	second	NOUN
fuen-51	263	29	)	)	PUNCT
fuen-51	263	30	for	for	ADP
fuen-51	263	31	methane	methane	NOUN
fuen-51	263	32	and	and	CCONJ
fuen-51	263	33	airflow	airflow	NOUN
fuen-51	263	34	rates	rate	NOUN
fuen-51	263	35	of	of	ADP
fuen-51	263	36	0.200	0.200	NUM
fuen-51	263	37	and	and	CCONJ
fuen-51	263	38	3	3	NUM
fuen-51	263	39	slpm	slpm	NOUN
fuen-51	263	40	under	under	ADP
fuen-51	263	41	three	three	NUM
fuen-51	263	42	swirl	swirl	ADJ
fuen-51	263	43	numbers	number	NOUN
fuen-51	263	44	:	:	PUNCT
fuen-51	263	45	(	(	PUNCT
fuen-51	263	46	a	a	X
fuen-51	263	47	)	)	PUNCT
fuen-51	263	48	30	30	NUM
fuen-51	263	49	°	°	NUM
fuen-51	263	50	;	;	PUNCT
fuen-51	263	51	(	(	PUNCT
fuen-51	263	52	b	b	X
fuen-51	263	53	)	)	PUNCT
fuen-51	263	54	35	35	NUM
fuen-51	263	55	°	°	NUM
fuen-51	263	56	;	;	PUNCT
fuen-51	263	57	(	(	PUNCT
fuen-51	263	58	c	c	X
fuen-51	263	59	)	)	PUNCT
fuen-51	263	60	40	40	NUM
fuen-51	263	61	°	°	PROPN
fuen-51	263	62	.	.	PUNCT
fuen-51	264	1	s.	s.	PROPN
fuen-51	264	2	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	264	3	/	/	SYM
fuen-51	264	4	future	future	ADJ
fuen-51	264	5	energy	energy	NOUN
fuen-51	264	6	february	february	PROPN
fuen-51	264	7	2023|	2023|	NUM
fuen-51	264	8	volume	volume	NOUN
fuen-51	264	9	02	02	NUM
fuen-51	264	10	|	|	NOUN
fuen-51	264	11	issue	issue	NOUN
fuen-51	264	12	01	01	NUM
fuen-51	265	1	|	|	NOUN
fuen-51	265	2	pages	page	VERB
fuen-51	265	3	27	27	NUM
fuen-51	265	4	-	-	SYM
fuen-51	265	5	37	37	NUM
fuen-51	265	6	36	36	NUM
fuen-51	265	7	(	(	PUNCT
fuen-51	265	8	a	a	NOUN
fuen-51	265	9	)	)	PUNCT
fuen-51	265	10	(	(	PUNCT
fuen-51	265	11	b	b	X
fuen-51	265	12	)	)	PUNCT
fuen-51	265	13	figure	figure	NOUN
fuen-51	265	14	2	2	NUM
fuen-51	265	15	.	.	PUNCT
fuen-51	266	1	(	(	PUNCT
fuen-51	266	2	a	a	X
fuen-51	266	3	)	)	PUNCT
fuen-51	266	4	ldiff	ldiff	ADJ
fuen-51	266	5	,	,	PUNCT
fuen-51	266	6	mean	mean	VERB
fuen-51	266	7	and	and	CCONJ
fuen-51	266	8	(	(	PUNCT
fuen-51	266	9	b	b	NOUN
fuen-51	266	10	)	)	PUNCT
fuen-51	266	11	wdiff	wdiff	NOUN
fuen-51	266	12	,	,	PUNCT
fuen-51	266	13	mean	mean	VERB
fuen-51	266	14	as	as	ADP
fuen-51	266	15	a	a	DET
fuen-51	266	16	function	function	NOUN
fuen-51	266	17	of	of	ADP
fuen-51	266	18	swirl	swirl	ADJ
fuen-51	266	19	number	number	NOUN
fuen-51	266	20	at	at	ADP
fuen-51	266	21	three	three	NUM
fuen-51	266	22	fuel	fuel	NOUN
fuen-51	266	23	flow	flow	NOUN
fuen-51	266	24	rates	rate	NOUN
fuen-51	266	25	of	of	ADP
fuen-51	266	26	0.100	0.100	NUM
fuen-51	266	27	,	,	PUNCT
fuen-51	266	28	0.150	0.150	NUM
fuen-51	266	29	,	,	PUNCT
fuen-51	266	30	and	and	CCONJ
fuen-51	266	31	0.200	0.200	NUM
fuen-51	266	32	slpm	slpm	NOUN
fuen-51	266	33	at	at	ADP
fuen-51	266	34	the	the	DET
fuen-51	266	35	airflow	airflow	NOUN
fuen-51	266	36	rate	rate	NOUN
fuen-51	266	37	of	of	ADP
fuen-51	266	38	3	3	NUM
fuen-51	266	39	slpm	slpm	PROPN
fuen-51	266	40	s.	s.	PROPN
fuen-51	266	41	sheykhbaglou	sheykhbaglou	PROPN
fuen-51	266	42	/	/	SYM
fuen-51	266	43	future	future	ADJ
fuen-51	266	44	energy	energy	NOUN
fuen-51	266	45	february	february	PROPN
fuen-51	266	46	2023|	2023|	NUM
fuen-51	266	47	volume	volume	NOUN
fuen-51	266	48	02	02	NUM
fuen-51	266	49	|	|	NOUN
fuen-51	266	50	issue	issue	NOUN
fuen-51	266	51	01	01	NUM
fuen-51	267	1	|	|	NOUN
fuen-51	267	2	pages	page	VERB
fuen-51	267	3	27	27	NUM
fuen-51	267	4	-	-	SYM
fuen-51	267	5	37	37	NUM
fuen-51	267	6	37	37	NUM
fuen-51	267	7	(	(	PUNCT
fuen-51	267	8	a	a	NOUN
fuen-51	267	9	)	)	PUNCT
fuen-51	267	10	(	(	PUNCT
fuen-51	267	11	b	b	X
fuen-51	267	12	)	)	PUNCT
fuen-51	267	13	(	(	PUNCT
fuen-51	267	14	c	c	X
fuen-51	267	15	)	)	PUNCT
fuen-51	267	16	figure	figure	NOUN
fuen-51	267	17	3	3	NUM
fuen-51	267	18	.	.	PUNCT
fuen-51	268	1	flame	flame	NOUN
fuen-51	268	2	pulsating	pulsate	VERB
fuen-51	268	3	displacements	displacement	NOUN
fuen-51	268	4	in	in	ADP
fuen-51	268	5	terms	term	NOUN
fuen-51	268	6	of	of	ADP
fuen-51	268	7	(	(	PUNCT
fuen-51	268	8	a	a	PRON
fuen-51	268	9	)	)	PUNCT
fuen-51	268	10	center	center	NOUN
fuen-51	268	11	of	of	ADP
fuen-51	268	12	gravity	gravity	NOUN
fuen-51	268	13	,	,	PUNCT
fuen-51	268	14	(	(	PUNCT
fuen-51	268	15	b	b	NOUN
fuen-51	268	16	)	)	PUNCT
fuen-51	268	17	length	length	NOUN
fuen-51	268	18	,	,	PUNCT
fuen-51	268	19	and	and	CCONJ
fuen-51	268	20	(	(	PUNCT
fuen-51	268	21	c	c	NOUN
fuen-51	268	22	)	)	PUNCT
fuen-51	268	23	width	width	NOUN
fuen-51	268	24	as	as	ADP
fuen-51	268	25	a	a	DET
fuen-51	268	26	function	function	NOUN
fuen-51	268	27	of	of	ADP
fuen-51	268	28	swirl	swirl	ADJ
fuen-51	268	29	number	number	NOUN
fuen-51	268	30	at	at	ADP
fuen-51	268	31	three	three	NUM
fuen-51	268	32	fuel	fuel	NOUN
fuen-51	268	33	flow	flow	NOUN
fuen-51	268	34	rates	rate	NOUN
fuen-51	268	35	of	of	ADP
fuen-51	268	36	0.100	0.100	NUM
fuen-51	268	37	,	,	PUNCT
fuen-51	268	38	0.150	0.150	NUM
fuen-51	268	39	,	,	PUNCT
fuen-51	268	40	and	and	CCONJ
fuen-51	268	41	0.200	0.200	NUM
fuen-51	268	42	slpm	slpm	NOUN
fuen-51	268	43	and	and	CCONJ
fuen-51	268	44	at	at	ADP
fuen-51	268	45	the	the	DET
fuen-51	268	46	airflow	airflow	NOUN
fuen-51	268	47	rate	rate	NOUN
fuen-51	268	48	of	of	ADP
fuen-51	268	49	3	3	NUM
fuen-51	268	50	slpm	slpm	NOUN