id	sid	tid	token	lemma	pos
ap-8331	1	1	acta	acta	PROPN
ap-8331	1	2	polytechnica	polytechnica	PROPN
ap-8331	1	3	https://doi.org/10.14311/ap.2023.63.0065	https://doi.org/10.14311/ap.2023.63.0065	PROPN
ap-8331	1	4	acta	acta	PROPN
ap-8331	1	5	polytechnica	polytechnica	PROPN
ap-8331	1	6	63(1):65–74	63(1):65–74	PROPN
ap-8331	1	7	,	,	PUNCT
ap-8331	1	8	2023	2023	NUM
ap-8331	1	9	©	©	ADP
ap-8331	1	10	2023	2023	NUM
ap-8331	1	11	the	the	DET
ap-8331	1	12	author(s	author(s	NOUN
ap-8331	1	13	)	)	PUNCT
ap-8331	1	14	.	.	PUNCT
ap-8331	2	1	licensed	license	VERB
ap-8331	2	2	under	under	ADP
ap-8331	2	3	a	a	DET
ap-8331	2	4	cc	cc	NOUN
ap-8331	2	5	-	-	PUNCT
ap-8331	2	6	by	by	ADP
ap-8331	2	7	4.0	4.0	NUM
ap-8331	2	8	licence	licence	NOUN
ap-8331	2	9	published	publish	VERB
ap-8331	2	10	by	by	ADP
ap-8331	2	11	the	the	DET
ap-8331	2	12	czech	czech	PROPN
ap-8331	2	13	technical	technical	PROPN
ap-8331	2	14	university	university	PROPN
ap-8331	2	15	in	in	ADP
ap-8331	2	16	prague	prague	NOUN
ap-8331	2	17	heat	heat	NOUN
ap-8331	2	18	transfer	transfer	NOUN
ap-8331	2	19	characteristics	characteristic	NOUN
ap-8331	2	20	of	of	ADP
ap-8331	2	21	double	double	ADJ
ap-8331	2	22	pipe	pipe	NOUN
ap-8331	2	23	heat	heat	NOUN
ap-8331	2	24	exchanger	exchanger	NOUN
ap-8331	2	25	having	having	AUX
ap-8331	2	26	externally	externally	ADV
ap-8331	2	27	enhanced	enhance	VERB
ap-8331	2	28	inner	inner	ADJ
ap-8331	2	29	pipe	pipe	NOUN
ap-8331	2	30	balasubramanian	balasubramanian	ADJ
ap-8331	2	31	vijayaragavan	vijayaragavan	NOUN
ap-8331	2	32	,	,	PUNCT
ap-8331	2	33	suyambu	suyambu	NOUN
ap-8331	2	34	pandian	pandian	ADJ
ap-8331	2	35	asok	asok	NOUN
ap-8331	2	36	,	,	PUNCT
ap-8331	2	37	chandrasekar	chandrasekar	PROPN
ap-8331	2	38	ramalekshmi	ramalekshmi	VERB
ap-8331	2	39	shakthi	shakthi	PROPN
ap-8331	2	40	ganesh∗	ganesh∗	PROPN
ap-8331	2	41	mepco	mepco	PROPN
ap-8331	2	42	schlenk	schlenk	PROPN
ap-8331	2	43	engineering	engineering	PROPN
ap-8331	2	44	college	college	PROPN
ap-8331	2	45	,	,	PUNCT
ap-8331	2	46	department	department	NOUN
ap-8331	2	47	of	of	ADP
ap-8331	2	48	mechanical	mechanical	ADJ
ap-8331	2	49	engineering	engineering	NOUN
ap-8331	2	50	,	,	PUNCT
ap-8331	2	51	sivakasi	sivakasi	NOUN
ap-8331	2	52	,	,	PUNCT
ap-8331	2	53	virudhunagar	virudhunagar	NOUN
ap-8331	2	54	district626005	district626005	PROPN
ap-8331	2	55	,	,	PUNCT
ap-8331	2	56	tamilnadu	tamilnadu	NOUN
ap-8331	2	57	,	,	PUNCT
ap-8331	2	58	india	india	PROPN
ap-8331	2	59	∗	∗	NOUN
ap-8331	2	60	corresponding	correspond	VERB
ap-8331	2	61	author	author	NOUN
ap-8331	2	62	:	:	PUNCT
ap-8331	2	63	shakthi.jan25@gmail.com	shakthi.jan25@gmail.com	X
ap-8331	2	64	abstract	abstract	PROPN
ap-8331	2	65	.	.	PUNCT
ap-8331	3	1	an	an	DET
ap-8331	3	2	investigation	investigation	NOUN
ap-8331	3	3	on	on	ADP
ap-8331	3	4	enhancement	enhancement	NOUN
ap-8331	3	5	of	of	ADP
ap-8331	3	6	heat	heat	NOUN
ap-8331	3	7	transfer	transfer	NOUN
ap-8331	3	8	is	be	AUX
ap-8331	3	9	carried	carry	VERB
ap-8331	3	10	out	out	ADP
ap-8331	3	11	for	for	ADP
ap-8331	3	12	a	a	DET
ap-8331	3	13	double	double	ADJ
ap-8331	3	14	pipe	pipe	NOUN
ap-8331	3	15	heat	heat	NOUN
ap-8331	3	16	exchanger	exchanger	NOUN
ap-8331	3	17	in	in	ADP
ap-8331	3	18	which	which	PRON
ap-8331	3	19	the	the	DET
ap-8331	3	20	outer	outer	ADJ
ap-8331	3	21	wall	wall	NOUN
ap-8331	3	22	of	of	ADP
ap-8331	3	23	the	the	DET
ap-8331	3	24	inner	inner	ADJ
ap-8331	3	25	pipe	pipe	NOUN
ap-8331	3	26	is	be	AUX
ap-8331	3	27	provided	provide	VERB
ap-8331	3	28	with	with	ADP
ap-8331	3	29	circumferential	circumferential	ADJ
ap-8331	3	30	labyrinth	labyrinth	ADJ
ap-8331	3	31	passages	passage	NOUN
ap-8331	3	32	.	.	PUNCT
ap-8331	4	1	rectangular	rectangular	ADJ
ap-8331	4	2	and	and	CCONJ
ap-8331	4	3	triangular	triangular	VERB
ap-8331	4	4	cavities	cavity	NOUN
ap-8331	4	5	with	with	ADP
ap-8331	4	6	fixed	fix	VERB
ap-8331	4	7	labyrinth	labyrinth	ADJ
ap-8331	4	8	tooth	tooth	NOUN
ap-8331	4	9	thickness	thickness	NOUN
ap-8331	4	10	,	,	PUNCT
ap-8331	4	11	height	height	NOUN
ap-8331	4	12	,	,	PUNCT
ap-8331	4	13	and	and	CCONJ
ap-8331	4	14	pitch	pitch	NOUN
ap-8331	4	15	are	be	AUX
ap-8331	4	16	considered	consider	VERB
ap-8331	4	17	and	and	CCONJ
ap-8331	4	18	the	the	DET
ap-8331	4	19	effect	effect	NOUN
ap-8331	4	20	of	of	ADP
ap-8331	4	21	added	add	VERB
ap-8331	4	22	labyrinth	labyrinth	ADJ
ap-8331	4	23	structures	structure	NOUN
ap-8331	4	24	on	on	ADP
ap-8331	4	25	the	the	DET
ap-8331	4	26	heat	heat	NOUN
ap-8331	4	27	transfer	transfer	NOUN
ap-8331	4	28	characteristics	characteristic	NOUN
ap-8331	4	29	is	be	AUX
ap-8331	4	30	discussed	discuss	VERB
ap-8331	4	31	.	.	PUNCT
ap-8331	5	1	a	a	DET
ap-8331	5	2	two	two	NUM
ap-8331	5	3	-	-	PUNCT
ap-8331	5	4	dimensional	dimensional	ADJ
ap-8331	5	5	steady	steady	ADJ
ap-8331	5	6	numerical	numerical	ADJ
ap-8331	5	7	simulation	simulation	NOUN
ap-8331	5	8	is	be	AUX
ap-8331	5	9	carried	carry	VERB
ap-8331	5	10	out	out	ADP
ap-8331	5	11	using	use	VERB
ap-8331	5	12	ansys	ansys	PROPN
ap-8331	5	13	-	-	PUNCT
ap-8331	5	14	fluent	fluent	ADJ
ap-8331	5	15	software	software	NOUN
ap-8331	5	16	.	.	PUNCT
ap-8331	6	1	the	the	DET
ap-8331	6	2	flow	flow	NOUN
ap-8331	6	3	reynolds	reynolds	PROPN
ap-8331	6	4	number	number	NOUN
ap-8331	6	5	equals	equal	VERB
ap-8331	6	6	to	to	ADP
ap-8331	6	7	20	20	NUM
ap-8331	6	8	000	000	NUM
ap-8331	6	9	and	and	CCONJ
ap-8331	6	10	43	43	NUM
ap-8331	6	11	000	000	NUM
ap-8331	6	12	for	for	ADP
ap-8331	6	13	the	the	DET
ap-8331	6	14	hot	hot	ADJ
ap-8331	6	15	and	and	CCONJ
ap-8331	6	16	cold	cold	ADJ
ap-8331	6	17	fluids	fluid	NOUN
ap-8331	6	18	,	,	PUNCT
ap-8331	6	19	respectively	respectively	ADV
ap-8331	6	20	,	,	PUNCT
ap-8331	6	21	while	while	SCONJ
ap-8331	6	22	other	other	ADJ
ap-8331	6	23	fluid	fluid	ADJ
ap-8331	6	24	properties	property	NOUN
ap-8331	6	25	are	be	AUX
ap-8331	6	26	constant	constant	ADJ
ap-8331	6	27	.	.	PUNCT
ap-8331	7	1	from	from	ADP
ap-8331	7	2	the	the	DET
ap-8331	7	3	numerical	numerical	ADJ
ap-8331	7	4	analysis	analysis	NOUN
ap-8331	7	5	carried	carry	VERB
ap-8331	7	6	out	out	ADP
ap-8331	7	7	in	in	ADP
ap-8331	7	8	this	this	DET
ap-8331	7	9	work	work	NOUN
ap-8331	7	10	,	,	PUNCT
ap-8331	7	11	it	it	PRON
ap-8331	7	12	is	be	AUX
ap-8331	7	13	identified	identify	VERB
ap-8331	7	14	that	that	SCONJ
ap-8331	7	15	the	the	DET
ap-8331	7	16	added	add	VERB
ap-8331	7	17	labyrinth	labyrinth	ADJ
ap-8331	7	18	passages	passage	NOUN
ap-8331	7	19	in	in	ADP
ap-8331	7	20	the	the	DET
ap-8331	7	21	heat	heat	NOUN
ap-8331	7	22	exchange	exchange	NOUN
ap-8331	7	23	surface	surface	NOUN
ap-8331	7	24	improve	improve	VERB
ap-8331	7	25	the	the	DET
ap-8331	7	26	heat	heat	NOUN
ap-8331	7	27	transfer	transfer	NOUN
ap-8331	7	28	rate	rate	NOUN
ap-8331	7	29	and	and	CCONJ
ap-8331	7	30	can	can	AUX
ap-8331	7	31	reduce	reduce	VERB
ap-8331	7	32	the	the	DET
ap-8331	7	33	length	length	NOUN
ap-8331	7	34	of	of	ADP
ap-8331	7	35	the	the	DET
ap-8331	7	36	heat	heat	NOUN
ap-8331	7	37	exchanger	exchanger	NOUN
ap-8331	7	38	.	.	PUNCT
ap-8331	8	1	numerical	numerical	ADJ
ap-8331	8	2	predictions	prediction	NOUN
ap-8331	8	3	agree	agree	VERB
ap-8331	8	4	well	well	ADV
ap-8331	8	5	with	with	ADP
ap-8331	8	6	the	the	DET
ap-8331	8	7	results	result	NOUN
ap-8331	8	8	obtained	obtain	VERB
ap-8331	8	9	from	from	ADP
ap-8331	8	10	the	the	DET
ap-8331	8	11	experiment	experiment	NOUN
ap-8331	8	12	conducted	conduct	VERB
ap-8331	8	13	.	.	PUNCT
ap-8331	9	1	keywords	keyword	NOUN
ap-8331	9	2	:	:	PUNCT
ap-8331	9	3	double	double	ADJ
ap-8331	9	4	pipe	pipe	NOUN
ap-8331	9	5	heat	heat	NOUN
ap-8331	9	6	exchanger	exchanger	NOUN
ap-8331	9	7	,	,	PUNCT
ap-8331	9	8	heat	heat	NOUN
ap-8331	9	9	transfer	transfer	NOUN
ap-8331	9	10	,	,	PUNCT
ap-8331	9	11	numerical	numerical	ADJ
ap-8331	9	12	analysis	analysis	NOUN
ap-8331	9	13	,	,	PUNCT
ap-8331	9	14	rectangular	rectangular	ADJ
ap-8331	9	15	cavity	cavity	NOUN
ap-8331	9	16	.	.	PUNCT
ap-8331	10	1	1	1	X
ap-8331	10	2	.	.	X
ap-8331	10	3	introduction	introduction	NOUN
ap-8331	10	4	heat	heat	NOUN
ap-8331	10	5	exchange	exchange	NOUN
ap-8331	10	6	between	between	ADP
ap-8331	10	7	hot	hot	ADJ
ap-8331	10	8	and	and	CCONJ
ap-8331	10	9	cold	cold	ADJ
ap-8331	10	10	fluid	fluid	NOUN
ap-8331	10	11	plays	play	VERB
ap-8331	10	12	a	a	DET
ap-8331	10	13	significant	significant	ADJ
ap-8331	10	14	role	role	NOUN
ap-8331	10	15	in	in	ADP
ap-8331	10	16	many	many	ADJ
ap-8331	10	17	applications	application	NOUN
ap-8331	10	18	.	.	PUNCT
ap-8331	11	1	heat	heat	NOUN
ap-8331	11	2	transfer	transfer	NOUN
ap-8331	11	3	enhancement	enhancement	NOUN
ap-8331	11	4	techniques	technique	NOUN
ap-8331	11	5	implemented	implement	VERB
ap-8331	11	6	in	in	ADP
ap-8331	11	7	heat	heat	NOUN
ap-8331	11	8	exchangers	exchanger	NOUN
ap-8331	11	9	reduce	reduce	VERB
ap-8331	11	10	the	the	DET
ap-8331	11	11	running	running	NOUN
ap-8331	11	12	costs	cost	NOUN
ap-8331	11	13	of	of	ADP
ap-8331	11	14	the	the	DET
ap-8331	11	15	device	device	NOUN
ap-8331	11	16	by	by	ADP
ap-8331	11	17	saving	save	VERB
ap-8331	11	18	energy	energy	NOUN
ap-8331	11	19	.	.	PUNCT
ap-8331	12	1	out	out	ADP
ap-8331	12	2	of	of	ADP
ap-8331	12	3	the	the	DET
ap-8331	12	4	various	various	ADJ
ap-8331	12	5	types	type	NOUN
ap-8331	12	6	of	of	ADP
ap-8331	12	7	heat	heat	NOUN
ap-8331	12	8	exchangers	exchanger	NOUN
ap-8331	12	9	available	available	ADJ
ap-8331	12	10	,	,	PUNCT
ap-8331	12	11	the	the	DET
ap-8331	12	12	double	double	ADJ
ap-8331	12	13	pipe	pipe	NOUN
ap-8331	12	14	heat	heat	NOUN
ap-8331	12	15	exchanger	exchanger	NOUN
ap-8331	12	16	shown	show	VERB
ap-8331	12	17	in	in	ADP
ap-8331	12	18	figure	figure	NOUN
ap-8331	12	19	1	1	NUM
ap-8331	12	20	is	be	AUX
ap-8331	12	21	a	a	DET
ap-8331	12	22	simple	simple	ADJ
ap-8331	12	23	design	design	NOUN
ap-8331	12	24	with	with	ADP
ap-8331	12	25	two	two	NUM
ap-8331	12	26	concentric	concentric	ADJ
ap-8331	12	27	pipes	pipe	NOUN
ap-8331	12	28	,	,	PUNCT
ap-8331	12	29	whose	whose	DET
ap-8331	12	30	performance	performance	NOUN
ap-8331	12	31	can	can	AUX
ap-8331	12	32	be	be	AUX
ap-8331	12	33	substantially	substantially	ADV
ap-8331	12	34	improved	improve	VERB
ap-8331	12	35	by	by	ADP
ap-8331	12	36	various	various	ADJ
ap-8331	12	37	enhancements	enhancement	NOUN
ap-8331	12	38	.	.	PUNCT
ap-8331	13	1	it	it	PRON
ap-8331	13	2	is	be	AUX
ap-8331	13	3	also	also	ADV
ap-8331	13	4	suitable	suitable	ADJ
ap-8331	13	5	for	for	ADP
ap-8331	13	6	high	high	ADJ
ap-8331	13	7	temperature	temperature	NOUN
ap-8331	13	8	and	and	CCONJ
ap-8331	13	9	high	high	ADJ
ap-8331	13	10	pressure	pressure	NOUN
ap-8331	13	11	applications	application	NOUN
ap-8331	13	12	due	due	ADP
ap-8331	13	13	to	to	ADP
ap-8331	13	14	its	its	PRON
ap-8331	13	15	small	small	ADJ
ap-8331	13	16	diameters	diameter	NOUN
ap-8331	13	17	.	.	PUNCT
ap-8331	14	1	the	the	DET
ap-8331	14	2	literatures	literature	NOUN
ap-8331	14	3	regarding	regard	VERB
ap-8331	14	4	these	these	DET
ap-8331	14	5	enhancements	enhancement	NOUN
ap-8331	14	6	are	be	AUX
ap-8331	14	7	primarily	primarily	ADV
ap-8331	14	8	experimental	experimental	ADJ
ap-8331	14	9	in	in	ADP
ap-8331	14	10	nature	nature	NOUN
ap-8331	14	11	,	,	PUNCT
ap-8331	14	12	with	with	ADP
ap-8331	14	13	gases	gas	NOUN
ap-8331	14	14	as	as	ADP
ap-8331	14	15	working	working	NOUN
ap-8331	14	16	fluids	fluid	NOUN
ap-8331	14	17	[	[	X
ap-8331	14	18	1	1	NUM
ap-8331	14	19	,	,	PUNCT
ap-8331	14	20	2	2	NUM
ap-8331	14	21	]	]	PUNCT
ap-8331	14	22	.	.	PUNCT
ap-8331	15	1	the	the	DET
ap-8331	15	2	heat	heat	NOUN
ap-8331	15	3	transfer	transfer	NOUN
ap-8331	15	4	enhancement	enhancement	NOUN
ap-8331	15	5	techniques	technique	NOUN
ap-8331	15	6	in	in	ADP
ap-8331	15	7	a	a	DET
ap-8331	15	8	double	double	ADJ
ap-8331	15	9	pipe	pipe	NOUN
ap-8331	15	10	heat	heat	NOUN
ap-8331	15	11	exchanger	exchanger	NOUN
ap-8331	15	12	are	be	AUX
ap-8331	15	13	classified	classify	VERB
ap-8331	15	14	into	into	ADP
ap-8331	15	15	passive	passive	ADJ
ap-8331	15	16	and	and	CCONJ
ap-8331	15	17	active	active	ADJ
ap-8331	15	18	techniques	technique	NOUN
ap-8331	15	19	.	.	PUNCT
ap-8331	16	1	passive	passive	ADJ
ap-8331	16	2	methods	method	NOUN
ap-8331	16	3	can	can	AUX
ap-8331	16	4	work	work	VERB
ap-8331	16	5	without	without	ADP
ap-8331	16	6	any	any	DET
ap-8331	16	7	external	external	ADJ
ap-8331	16	8	aids	aid	NOUN
ap-8331	16	9	by	by	ADP
ap-8331	16	10	a	a	DET
ap-8331	16	11	geometric	geometric	ADJ
ap-8331	16	12	modification	modification	NOUN
ap-8331	16	13	such	such	ADJ
ap-8331	16	14	as	as	ADP
ap-8331	16	15	varying	vary	VERB
ap-8331	16	16	the	the	DET
ap-8331	16	17	cross	cross	NOUN
ap-8331	16	18	section	section	NOUN
ap-8331	16	19	of	of	ADP
ap-8331	16	20	the	the	DET
ap-8331	16	21	inner	inner	ADJ
ap-8331	16	22	pipe	pipe	NOUN
ap-8331	17	1	[	[	X
ap-8331	17	2	2–8	2–8	NUM
ap-8331	17	3	]	]	PUNCT
ap-8331	17	4	.	.	PUNCT
ap-8331	18	1	active	active	ADJ
ap-8331	18	2	methods	method	NOUN
ap-8331	18	3	require	require	VERB
ap-8331	18	4	external	external	ADJ
ap-8331	18	5	stimulation	stimulation	NOUN
ap-8331	18	6	such	such	ADJ
ap-8331	18	7	as	as	ADP
ap-8331	18	8	vortex	vortex	NOUN
ap-8331	18	9	creation	creation	NOUN
ap-8331	18	10	by	by	ADP
ap-8331	18	11	rotating	rotate	VERB
ap-8331	18	12	the	the	DET
ap-8331	18	13	inner	inner	ADJ
ap-8331	18	14	pipe	pipe	NOUN
ap-8331	18	15	[	[	X
ap-8331	18	16	9	9	NUM
ap-8331	18	17	]	]	PUNCT
ap-8331	18	18	.	.	PUNCT
ap-8331	19	1	the	the	DET
ap-8331	19	2	helically	helically	ADV
ap-8331	19	3	corrugated	corrugate	VERB
ap-8331	19	4	inner	inner	ADJ
ap-8331	19	5	pipe	pipe	NOUN
ap-8331	19	6	with	with	ADP
ap-8331	19	7	alternating	alternate	VERB
ap-8331	19	8	ridges	ridge	NOUN
ap-8331	19	9	and	and	CCONJ
ap-8331	19	10	grooves	groove	VERB
ap-8331	19	11	in	in	ADP
ap-8331	19	12	a	a	DET
ap-8331	19	13	double	double	ADJ
ap-8331	19	14	pipe	pipe	NOUN
ap-8331	19	15	heat	heat	NOUN
ap-8331	19	16	exchanger	exchanger	NOUN
ap-8331	19	17	was	be	AUX
ap-8331	19	18	investigated	investigate	VERB
ap-8331	19	19	using	use	VERB
ap-8331	19	20	steady	steady	ADJ
ap-8331	19	21	numerical	numerical	ADJ
ap-8331	19	22	simulations	simulation	NOUN
ap-8331	19	23	[	[	X
ap-8331	19	24	2	2	NUM
ap-8331	19	25	]	]	PUNCT
ap-8331	19	26	.	.	PUNCT
ap-8331	20	1	the	the	DET
ap-8331	20	2	new	new	ADJ
ap-8331	20	3	design	design	NOUN
ap-8331	20	4	improved	improve	VERB
ap-8331	20	5	the	the	DET
ap-8331	20	6	heat	heat	NOUN
ap-8331	20	7	transfer	transfer	NOUN
ap-8331	20	8	by	by	ADP
ap-8331	20	9	a	a	DET
ap-8331	20	10	factor	factor	NOUN
ap-8331	20	11	of	of	ADP
ap-8331	20	12	three	three	NUM
ap-8331	20	13	as	as	SCONJ
ap-8331	20	14	compared	compare	VERB
ap-8331	20	15	to	to	ADP
ap-8331	20	16	the	the	DET
ap-8331	20	17	smooth	smooth	ADJ
ap-8331	20	18	-	-	PUNCT
ap-8331	20	19	walled	wall	VERB
ap-8331	20	20	inner	inner	ADJ
ap-8331	20	21	pipe	pipe	NOUN
ap-8331	20	22	.	.	PUNCT
ap-8331	21	1	the	the	DET
ap-8331	21	2	heat	heat	NOUN
ap-8331	21	3	transfer	transfer	NOUN
ap-8331	21	4	characteristics	characteristic	NOUN
ap-8331	21	5	of	of	ADP
ap-8331	21	6	blossom	blossom	NOUN
ap-8331	21	7	shaped	shape	VERB
ap-8331	21	8	fins	fin	NOUN
ap-8331	21	9	on	on	ADP
ap-8331	21	10	the	the	DET
ap-8331	21	11	inner	inner	ADJ
ap-8331	21	12	tube	tube	NOUN
ap-8331	21	13	were	be	AUX
ap-8331	21	14	investigated	investigate	VERB
ap-8331	21	15	experimentally	experimentally	ADV
ap-8331	21	16	and	and	CCONJ
ap-8331	21	17	numerically	numerically	ADV
ap-8331	21	18	at	at	ADP
ap-8331	21	19	a	a	DET
ap-8331	21	20	constant	constant	ADJ
ap-8331	21	21	air	air	NOUN
ap-8331	21	22	inlet	inlet	NOUN
ap-8331	21	23	temperature	temperature	NOUN
ap-8331	21	24	[	[	X
ap-8331	21	25	3	3	NUM
ap-8331	21	26	]	]	PUNCT
ap-8331	21	27	.	.	PUNCT
ap-8331	22	1	the	the	DET
ap-8331	22	2	increase	increase	NOUN
ap-8331	22	3	in	in	ADP
ap-8331	22	4	the	the	DET
ap-8331	22	5	number	number	NOUN
ap-8331	22	6	of	of	ADP
ap-8331	22	7	fins	fin	NOUN
ap-8331	22	8	resulted	result	VERB
ap-8331	22	9	in	in	ADP
ap-8331	22	10	a	a	DET
ap-8331	22	11	more	more	ADV
ap-8331	22	12	uniform	uniform	ADJ
ap-8331	22	13	distribution	distribution	NOUN
ap-8331	22	14	of	of	ADP
ap-8331	22	15	the	the	DET
ap-8331	22	16	temperature	temperature	NOUN
ap-8331	22	17	field	field	NOUN
ap-8331	22	18	.	.	PUNCT
ap-8331	23	1	the	the	DET
ap-8331	23	2	reasons	reason	NOUN
ap-8331	23	3	for	for	ADP
ap-8331	23	4	the	the	DET
ap-8331	23	5	performance	performance	NOUN
ap-8331	23	6	improvement	improvement	NOUN
ap-8331	23	7	of	of	ADP
ap-8331	23	8	the	the	DET
ap-8331	23	9	double	double	ADJ
ap-8331	23	10	pipe	pipe	NOUN
ap-8331	23	11	heat	heat	NOUN
ap-8331	23	12	exchanger	exchanger	NOUN
ap-8331	23	13	with	with	ADP
ap-8331	23	14	helical	helical	ADJ
ap-8331	23	15	fins	fin	NOUN
ap-8331	23	16	and	and	CCONJ
ap-8331	23	17	vortex	vortex	NOUN
ap-8331	23	18	generator	generator	NOUN
ap-8331	23	19	were	be	AUX
ap-8331	23	20	found	find	VERB
ap-8331	23	21	to	to	PART
ap-8331	23	22	be	be	AUX
ap-8331	23	23	the	the	DET
ap-8331	23	24	increase	increase	NOUN
ap-8331	23	25	in	in	ADP
ap-8331	23	26	heat	heat	NOUN
ap-8331	23	27	transfer	transfer	NOUN
ap-8331	23	28	surface	surface	NOUN
ap-8331	23	29	,	,	PUNCT
ap-8331	23	30	reduction	reduction	NOUN
ap-8331	23	31	of	of	ADP
ap-8331	23	32	hydraulic	hydraulic	ADJ
ap-8331	23	33	diameter	diameter	NOUN
ap-8331	23	34	,	,	PUNCT
ap-8331	23	35	secondary	secondary	ADJ
ap-8331	23	36	flow	flow	NOUN
ap-8331	23	37	caused	cause	VERB
ap-8331	23	38	by	by	ADP
ap-8331	23	39	the	the	DET
ap-8331	23	40	helical	helical	ADJ
ap-8331	23	41	channel	channel	NOUN
ap-8331	23	42	and	and	CCONJ
ap-8331	23	43	the	the	DET
ap-8331	23	44	vortices	vortex	NOUN
ap-8331	23	45	,	,	PUNCT
ap-8331	23	46	destabilisation	destabilisation	NOUN
ap-8331	23	47	of	of	ADP
ap-8331	23	48	fluid	fluid	ADJ
ap-8331	23	49	flow	flow	NOUN
ap-8331	23	50	and	and	CCONJ
ap-8331	23	51	intensification	intensification	NOUN
ap-8331	23	52	of	of	ADP
ap-8331	23	53	turbulence	turbulence	NOUN
ap-8331	23	54	induced	induce	VERB
ap-8331	23	55	by	by	ADP
ap-8331	23	56	the	the	DET
ap-8331	23	57	vortex	vortex	NOUN
ap-8331	23	58	generators	generator	NOUN
ap-8331	23	59	[	[	X
ap-8331	23	60	4	4	NUM
ap-8331	23	61	]	]	PUNCT
ap-8331	23	62	.	.	PUNCT
ap-8331	24	1	the	the	DET
ap-8331	24	2	inner	inner	ADJ
ap-8331	24	3	twisted	twisted	ADJ
ap-8331	24	4	square	square	ADJ
ap-8331	24	5	duct	duct	NOUN
ap-8331	24	6	with	with	ADP
ap-8331	24	7	air	air	NOUN
ap-8331	24	8	as	as	ADP
ap-8331	24	9	working	working	NOUN
ap-8331	24	10	fluid	fluid	NOUN
ap-8331	24	11	showed	show	VERB
ap-8331	24	12	a	a	DET
ap-8331	24	13	considerable	considerable	ADJ
ap-8331	24	14	enhancement	enhancement	NOUN
ap-8331	24	15	in	in	ADP
ap-8331	24	16	the	the	DET
ap-8331	24	17	heat	heat	NOUN
ap-8331	24	18	transfer	transfer	NOUN
ap-8331	24	19	in	in	ADP
ap-8331	24	20	both	both	CCONJ
ap-8331	24	21	the	the	DET
ap-8331	24	22	laminar	laminar	ADJ
ap-8331	24	23	and	and	CCONJ
ap-8331	24	24	turbulent	turbulent	ADJ
ap-8331	24	25	regimes	regime	NOUN
ap-8331	24	26	[	[	X
ap-8331	24	27	5	5	NUM
ap-8331	24	28	]	]	PUNCT
ap-8331	24	29	.	.	PUNCT
ap-8331	25	1	experimental	experimental	ADJ
ap-8331	25	2	investigations	investigation	NOUN
ap-8331	25	3	of	of	ADP
ap-8331	25	4	a	a	DET
ap-8331	25	5	double	double	ADJ
ap-8331	25	6	pipe	pipe	NOUN
ap-8331	25	7	helical	helical	ADJ
ap-8331	25	8	heat	heat	NOUN
ap-8331	25	9	exchanger	exchanger	NOUN
ap-8331	25	10	with	with	ADP
ap-8331	25	11	a	a	DET
ap-8331	25	12	copper	copper	NOUN
ap-8331	25	13	fin	fin	NOUN
ap-8331	25	14	in	in	ADP
ap-8331	25	15	the	the	DET
ap-8331	25	16	annulus	annulus	NOUN
ap-8331	25	17	section	section	NOUN
ap-8331	25	18	showed	show	VERB
ap-8331	25	19	an	an	DET
ap-8331	25	20	improvement	improvement	NOUN
ap-8331	25	21	in	in	ADP
ap-8331	25	22	the	the	DET
ap-8331	25	23	overall	overall	ADJ
ap-8331	25	24	heat	heat	NOUN
ap-8331	25	25	transfer	transfer	NOUN
ap-8331	25	26	coefficient	coefficient	NOUN
ap-8331	25	27	calculated	calculate	VERB
ap-8331	25	28	by	by	ADP
ap-8331	25	29	replacing	replace	VERB
ap-8331	25	30	the	the	DET
ap-8331	25	31	hydraulic	hydraulic	ADJ
ap-8331	25	32	diameter	diameter	NOUN
ap-8331	25	33	with	with	ADP
ap-8331	25	34	an	an	DET
ap-8331	25	35	equivalent	equivalent	ADJ
ap-8331	25	36	diameter	diameter	NOUN
ap-8331	26	1	[	[	X
ap-8331	26	2	6	6	NUM
ap-8331	26	3	]	]	PUNCT
ap-8331	26	4	.	.	PUNCT
ap-8331	27	1	in	in	ADP
ap-8331	27	2	the	the	DET
ap-8331	27	3	present	present	ADJ
ap-8331	27	4	study	study	NOUN
ap-8331	27	5	,	,	PUNCT
ap-8331	27	6	an	an	DET
ap-8331	27	7	improvement	improvement	NOUN
ap-8331	27	8	in	in	ADP
ap-8331	27	9	the	the	DET
ap-8331	27	10	performance	performance	NOUN
ap-8331	27	11	of	of	ADP
ap-8331	27	12	a	a	DET
ap-8331	27	13	double	double	ADJ
ap-8331	27	14	pipe	pipe	NOUN
ap-8331	27	15	heat	heat	NOUN
ap-8331	27	16	exchanger	exchanger	NOUN
ap-8331	27	17	is	be	AUX
ap-8331	27	18	achieved	achieve	VERB
ap-8331	27	19	by	by	ADP
ap-8331	27	20	incorporating	incorporate	VERB
ap-8331	27	21	a	a	DET
ap-8331	27	22	labyrinth	labyrinth	ADJ
ap-8331	27	23	path	path	NOUN
ap-8331	27	24	in	in	ADP
ap-8331	27	25	the	the	DET
ap-8331	27	26	annular	annular	ADJ
ap-8331	27	27	region	region	NOUN
ap-8331	27	28	,	,	PUNCT
ap-8331	27	29	which	which	PRON
ap-8331	27	30	enhances	enhance	VERB
ap-8331	27	31	the	the	DET
ap-8331	27	32	surface	surface	NOUN
ap-8331	27	33	area	area	NOUN
ap-8331	27	34	of	of	ADP
ap-8331	27	35	the	the	DET
ap-8331	27	36	inner	inner	ADJ
ap-8331	27	37	tube	tube	NOUN
ap-8331	27	38	externally	externally	ADV
ap-8331	27	39	.	.	PUNCT
ap-8331	28	1	thus	thus	ADV
ap-8331	28	2	,	,	PUNCT
ap-8331	28	3	the	the	DET
ap-8331	28	4	labyrinth	labyrinth	ADJ
ap-8331	28	5	structure	structure	NOUN
ap-8331	28	6	increases	increase	VERB
ap-8331	28	7	the	the	DET
ap-8331	28	8	surface	surface	NOUN
ap-8331	28	9	area	area	NOUN
ap-8331	28	10	of	of	ADP
ap-8331	28	11	heat	heat	NOUN
ap-8331	28	12	transfer	transfer	NOUN
ap-8331	28	13	.	.	PUNCT
ap-8331	29	1	during	during	ADP
ap-8331	29	2	the	the	DET
ap-8331	29	3	flow	flow	NOUN
ap-8331	29	4	through	through	ADP
ap-8331	29	5	this	this	DET
ap-8331	29	6	enhanced	enhance	VERB
ap-8331	29	7	structure	structure	NOUN
ap-8331	29	8	,	,	PUNCT
ap-8331	29	9	the	the	DET
ap-8331	29	10	fluid	fluid	NOUN
ap-8331	29	11	is	be	AUX
ap-8331	29	12	made	make	VERB
ap-8331	29	13	to	to	PART
ap-8331	29	14	pass	pass	VERB
ap-8331	29	15	through	through	ADP
ap-8331	29	16	cavities	cavity	NOUN
ap-8331	29	17	and	and	CCONJ
ap-8331	29	18	the	the	DET
ap-8331	29	19	corresponding	corresponding	ADJ
ap-8331	29	20	land	land	NOUN
ap-8331	29	21	,	,	PUNCT
ap-8331	29	22	resulting	result	VERB
ap-8331	29	23	in	in	ADP
ap-8331	29	24	vortex	vortex	NOUN
ap-8331	29	25	generation	generation	NOUN
ap-8331	29	26	in	in	ADP
ap-8331	29	27	each	each	DET
ap-8331	29	28	cavity	cavity	NOUN
ap-8331	29	29	.	.	PUNCT
ap-8331	30	1	the	the	DET
ap-8331	30	2	recirculation	recirculation	NOUN
ap-8331	30	3	caused	cause	VERB
ap-8331	30	4	by	by	ADP
ap-8331	30	5	the	the	DET
ap-8331	30	6	vortex	vortex	NOUN
ap-8331	30	7	increases	increase	VERB
ap-8331	30	8	the	the	DET
ap-8331	30	9	heat	heat	NOUN
ap-8331	30	10	transfer	transfer	NOUN
ap-8331	30	11	rate	rate	NOUN
ap-8331	30	12	of	of	ADP
ap-8331	30	13	the	the	DET
ap-8331	30	14	hot	hot	ADJ
ap-8331	30	15	fluid	fluid	NOUN
ap-8331	30	16	by	by	ADP
ap-8331	30	17	increasing	increase	VERB
ap-8331	30	18	the	the	DET
ap-8331	30	19	number	number	NOUN
ap-8331	30	20	of	of	ADP
ap-8331	30	21	restrictions	restriction	NOUN
ap-8331	30	22	[	[	X
ap-8331	30	23	10	10	NUM
ap-8331	30	24	]	]	PUNCT
ap-8331	30	25	.	.	PUNCT
ap-8331	31	1	the	the	DET
ap-8331	31	2	labyrinth	labyrinth	ADJ
ap-8331	31	3	structure	structure	NOUN
ap-8331	31	4	introduced	introduce	VERB
ap-8331	31	5	in	in	ADP
ap-8331	31	6	the	the	DET
ap-8331	31	7	outer	outer	ADJ
ap-8331	31	8	surface	surface	NOUN
ap-8331	31	9	of	of	ADP
ap-8331	31	10	the	the	DET
ap-8331	31	11	inner	inner	ADJ
ap-8331	31	12	pipe	pipe	NOUN
ap-8331	31	13	is	be	AUX
ap-8331	31	14	shown	show	VERB
ap-8331	31	15	in	in	ADP
ap-8331	31	16	figure	figure	NOUN
ap-8331	31	17	2	2	NUM
ap-8331	31	18	.	.	PUNCT
ap-8331	32	1	in	in	ADP
ap-8331	32	2	the	the	DET
ap-8331	32	3	conventional	conventional	ADJ
ap-8331	32	4	double	double	ADJ
ap-8331	32	5	pipe	pipe	NOUN
ap-8331	32	6	heat	heat	NOUN
ap-8331	32	7	exchangers	exchanger	NOUN
ap-8331	32	8	,	,	PUNCT
ap-8331	32	9	the	the	DET
ap-8331	32	10	annular	annular	ADJ
ap-8331	32	11	area	area	NOUN
ap-8331	32	12	is	be	AUX
ap-8331	32	13	kept	keep	VERB
ap-8331	32	14	larger	large	ADJ
ap-8331	32	15	to	to	PART
ap-8331	32	16	allow	allow	VERB
ap-8331	32	17	the	the	DET
ap-8331	32	18	cold	cold	ADJ
ap-8331	32	19	fluid	fluid	NOUN
ap-8331	32	20	flow	flow	NOUN
ap-8331	32	21	to	to	PART
ap-8331	32	22	gain	gain	VERB
ap-8331	32	23	heat	heat	NOUN
ap-8331	32	24	from	from	ADP
ap-8331	32	25	the	the	DET
ap-8331	32	26	hot	hot	ADJ
ap-8331	32	27	fluid	fluid	NOUN
ap-8331	32	28	flowing	flow	VERB
ap-8331	32	29	in	in	ADP
ap-8331	32	30	the	the	DET
ap-8331	32	31	inner	inner	ADJ
ap-8331	32	32	pipe	pipe	NOUN
ap-8331	32	33	.	.	PUNCT
ap-8331	33	1	the	the	DET
ap-8331	33	2	innovation	innovation	NOUN
ap-8331	33	3	in	in	ADP
ap-8331	33	4	the	the	DET
ap-8331	33	5	present	present	ADJ
ap-8331	33	6	study	study	NOUN
ap-8331	33	7	is	be	AUX
ap-8331	33	8	the	the	DET
ap-8331	33	9	improvement	improvement	NOUN
ap-8331	33	10	in	in	ADP
ap-8331	33	11	heat	heat	NOUN
ap-8331	33	12	transfer	transfer	NOUN
ap-8331	33	13	by	by	ADP
ap-8331	33	14	enhancing	enhance	VERB
ap-8331	33	15	the	the	DET
ap-8331	33	16	annular	annular	ADJ
ap-8331	33	17	flow	flow	NOUN
ap-8331	33	18	path	path	NOUN
ap-8331	33	19	with	with	ADP
ap-8331	33	20	the	the	DET
ap-8331	33	21	annular	annular	ADJ
ap-8331	33	22	flow	flow	NOUN
ap-8331	33	23	area	area	NOUN
ap-8331	33	24	much	much	ADV
ap-8331	33	25	lesser	less	ADJ
ap-8331	33	26	than	than	ADP
ap-8331	33	27	the	the	DET
ap-8331	33	28	pipe	pipe	NOUN
ap-8331	33	29	flow	flow	NOUN
ap-8331	33	30	area	area	NOUN
ap-8331	33	31	and	and	CCONJ
ap-8331	33	32	leaving	leave	VERB
ap-8331	33	33	the	the	DET
ap-8331	33	34	pipe	pipe	NOUN
ap-8331	33	35	flow	flow	NOUN
ap-8331	33	36	undisturbed	undisturbed	ADJ
ap-8331	33	37	.	.	PUNCT
ap-8331	34	1	even	even	ADV
ap-8331	34	2	a	a	DET
ap-8331	34	3	small	small	ADJ
ap-8331	34	4	amount	amount	NOUN
ap-8331	34	5	of	of	ADP
ap-8331	34	6	increase	increase	NOUN
ap-8331	34	7	in	in	ADP
ap-8331	34	8	65	65	NUM
ap-8331	34	9	https://doi.org/10.14311/ap.2023.63.0065	https://doi.org/10.14311/ap.2023.63.0065	PROPN
ap-8331	34	10	https://creativecommons.org/licenses/by/4.0/	https://creativecommons.org/licenses/by/4.0/	PROPN
ap-8331	34	11	https://www.cvut.cz/en	https://www.cvut.cz/en	PROPN
ap-8331	34	12	b.	b.	PROPN
ap-8331	34	13	vijayaragavan	vijayaragavan	PROPN
ap-8331	34	14	,	,	PUNCT
ap-8331	34	15	s.	s.	PROPN
ap-8331	34	16	p.	p.	PROPN
ap-8331	34	17	asok	asok	PROPN
ap-8331	34	18	,	,	PUNCT
ap-8331	34	19	c.	c.	PROPN
ap-8331	34	20	r.	r.	PROPN
ap-8331	34	21	shakthi	shakthi	PROPN
ap-8331	34	22	ganesh	ganesh	PROPN
ap-8331	34	23	acta	acta	PROPN
ap-8331	34	24	polytechnica	polytechnica	PROPN
ap-8331	34	25	figure	figure	NOUN
ap-8331	34	26	1	1	NUM
ap-8331	34	27	.	.	PUNCT
ap-8331	34	28	schematic	schematic	ADJ
ap-8331	34	29	of	of	ADP
ap-8331	34	30	the	the	DET
ap-8331	34	31	double	double	ADJ
ap-8331	34	32	pipe	pipe	NOUN
ap-8331	34	33	heat	heat	NOUN
ap-8331	34	34	exchanger	exchanger	NOUN
ap-8331	34	35	.	.	PUNCT
ap-8331	35	1	figure	figure	NOUN
ap-8331	35	2	2	2	NUM
ap-8331	35	3	.	.	PUNCT
ap-8331	35	4	heat	heat	NOUN
ap-8331	35	5	exchanger	exchanger	NOUN
ap-8331	35	6	with	with	ADP
ap-8331	35	7	labyrinth	labyrinth	NOUN
ap-8331	35	8	.	.	PUNCT
ap-8331	36	1	the	the	DET
ap-8331	36	2	rate	rate	NOUN
ap-8331	36	3	of	of	ADP
ap-8331	36	4	the	the	DET
ap-8331	36	5	heat	heat	NOUN
ap-8331	36	6	transfer	transfer	NOUN
ap-8331	36	7	by	by	ADP
ap-8331	36	8	surface	surface	NOUN
ap-8331	36	9	modification	modification	NOUN
ap-8331	36	10	can	can	AUX
ap-8331	36	11	result	result	VERB
ap-8331	36	12	in	in	ADP
ap-8331	36	13	a	a	DET
ap-8331	36	14	considerable	considerable	ADJ
ap-8331	36	15	improvement	improvement	NOUN
ap-8331	36	16	in	in	ADP
ap-8331	36	17	process	process	NOUN
ap-8331	36	18	efficiency	efficiency	NOUN
ap-8331	36	19	and	and	CCONJ
ap-8331	36	20	economy	economy	NOUN
ap-8331	36	21	.	.	PUNCT
ap-8331	37	1	the	the	DET
ap-8331	37	2	dimensions	dimension	NOUN
ap-8331	37	3	of	of	ADP
ap-8331	37	4	the	the	DET
ap-8331	37	5	heat	heat	NOUN
ap-8331	37	6	exchanger	exchanger	NOUN
ap-8331	37	7	before	before	ADP
ap-8331	37	8	modification	modification	NOUN
ap-8331	37	9	are	be	AUX
ap-8331	37	10	given	give	VERB
ap-8331	37	11	in	in	ADP
ap-8331	37	12	figure	figure	NOUN
ap-8331	37	13	3	3	NUM
ap-8331	37	14	.	.	PUNCT
ap-8331	37	15	by	by	ADP
ap-8331	37	16	incorporating	incorporate	VERB
ap-8331	37	17	the	the	DET
ap-8331	37	18	enhanced	enhanced	ADJ
ap-8331	37	19	structure	structure	NOUN
ap-8331	37	20	on	on	ADP
ap-8331	37	21	the	the	DET
ap-8331	37	22	outer	outer	ADJ
ap-8331	37	23	surface	surface	NOUN
ap-8331	37	24	of	of	ADP
ap-8331	37	25	the	the	DET
ap-8331	37	26	inner	inner	ADJ
ap-8331	37	27	tube	tube	NOUN
ap-8331	37	28	,	,	PUNCT
ap-8331	37	29	the	the	DET
ap-8331	37	30	heat	heat	NOUN
ap-8331	37	31	transfer	transfer	NOUN
ap-8331	37	32	by	by	ADP
ap-8331	37	33	the	the	DET
ap-8331	37	34	fluid	fluid	NOUN
ap-8331	37	35	flowing	flow	VERB
ap-8331	37	36	in	in	ADP
ap-8331	37	37	the	the	DET
ap-8331	37	38	annular	annular	ADJ
ap-8331	37	39	region	region	NOUN
ap-8331	37	40	is	be	AUX
ap-8331	37	41	improved	improve	VERB
ap-8331	37	42	[	[	PUNCT
ap-8331	37	43	11	11	NUM
ap-8331	37	44	–	–	PUNCT
ap-8331	37	45	13	13	NUM
ap-8331	37	46	]	]	PUNCT
ap-8331	37	47	.	.	PUNCT
ap-8331	38	1	the	the	DET
ap-8331	38	2	enhancement	enhancement	NOUN
ap-8331	38	3	with	with	ADP
ap-8331	38	4	a	a	DET
ap-8331	38	5	triangular	triangular	NOUN
ap-8331	38	6	geometry	geometry	NOUN
ap-8331	38	7	can	can	AUX
ap-8331	38	8	provide	provide	VERB
ap-8331	38	9	a	a	DET
ap-8331	38	10	stable	stable	ADJ
ap-8331	38	11	flow	flow	NOUN
ap-8331	38	12	recirculation	recirculation	NOUN
ap-8331	38	13	in	in	ADP
ap-8331	38	14	the	the	DET
ap-8331	38	15	cavity	cavity	NOUN
ap-8331	38	16	[	[	X
ap-8331	38	17	14	14	NUM
ap-8331	38	18	]	]	PUNCT
ap-8331	38	19	.	.	PUNCT
ap-8331	39	1	hence	hence	ADV
ap-8331	39	2	,	,	PUNCT
ap-8331	39	3	the	the	DET
ap-8331	39	4	triangular	triangular	NOUN
ap-8331	39	5	cavity	cavity	NOUN
ap-8331	39	6	can	can	AUX
ap-8331	39	7	be	be	AUX
ap-8331	39	8	a	a	DET
ap-8331	39	9	good	good	ADJ
ap-8331	39	10	option	option	NOUN
ap-8331	39	11	for	for	ADP
ap-8331	39	12	heat	heat	NOUN
ap-8331	39	13	transfer	transfer	NOUN
ap-8331	39	14	studies	study	NOUN
ap-8331	39	15	in	in	ADP
ap-8331	39	16	addition	addition	NOUN
ap-8331	39	17	to	to	ADP
ap-8331	39	18	the	the	DET
ap-8331	39	19	rectangular	rectangular	ADJ
ap-8331	39	20	cavity	cavity	NOUN
ap-8331	39	21	,	,	PUNCT
ap-8331	39	22	which	which	PRON
ap-8331	39	23	is	be	AUX
ap-8331	39	24	popularly	popularly	ADV
ap-8331	39	25	used	use	VERB
ap-8331	39	26	.	.	PUNCT
ap-8331	40	1	the	the	DET
ap-8331	40	2	details	detail	NOUN
ap-8331	40	3	of	of	ADP
ap-8331	40	4	the	the	DET
ap-8331	40	5	rectangular	rectangular	ADJ
ap-8331	40	6	and	and	CCONJ
ap-8331	40	7	triangular	triangular	NOUN
ap-8331	40	8	cavity	cavity	NOUN
ap-8331	40	9	structures	structure	NOUN
ap-8331	40	10	incorporated	incorporate	VERB
ap-8331	40	11	in	in	ADP
ap-8331	40	12	the	the	DET
ap-8331	40	13	outer	outer	ADJ
ap-8331	40	14	surface	surface	NOUN
ap-8331	40	15	of	of	ADP
ap-8331	40	16	the	the	DET
ap-8331	40	17	inner	inner	ADJ
ap-8331	40	18	tube	tube	NOUN
ap-8331	40	19	are	be	AUX
ap-8331	40	20	shown	show	VERB
ap-8331	40	21	in	in	ADP
ap-8331	40	22	figure	figure	NOUN
ap-8331	40	23	4	4	NUM
ap-8331	40	24	and	and	CCONJ
ap-8331	40	25	figure	figure	VERB
ap-8331	40	26	5	5	NUM
ap-8331	40	27	,	,	PUNCT
ap-8331	40	28	respectively	respectively	ADV
ap-8331	40	29	.	.	PUNCT
ap-8331	41	1	the	the	DET
ap-8331	41	2	surface	surface	NOUN
ap-8331	41	3	enhancers	enhancer	NOUN
ap-8331	41	4	efficiently	efficiently	ADV
ap-8331	41	5	augment	augment	VERB
ap-8331	41	6	the	the	DET
ap-8331	41	7	heat	heat	NOUN
ap-8331	41	8	transfer	transfer	NOUN
ap-8331	41	9	rate	rate	NOUN
ap-8331	41	10	due	due	ADP
ap-8331	41	11	to	to	ADP
ap-8331	41	12	the	the	DET
ap-8331	41	13	induced	induced	ADJ
ap-8331	41	14	turbulence	turbulence	NOUN
ap-8331	41	15	intensity	intensity	NOUN
ap-8331	41	16	[	[	X
ap-8331	41	17	15	15	NUM
ap-8331	41	18	]	]	PUNCT
ap-8331	41	19	.	.	PUNCT
ap-8331	42	1	heat	heat	NOUN
ap-8331	42	2	transfer	transfer	NOUN
ap-8331	42	3	decreases	decrease	NOUN
ap-8331	42	4	with	with	ADP
ap-8331	42	5	the	the	DET
ap-8331	42	6	increase	increase	NOUN
ap-8331	42	7	in	in	ADP
ap-8331	42	8	the	the	DET
ap-8331	42	9	thickness	thickness	NOUN
ap-8331	42	10	and	and	CCONJ
ap-8331	42	11	pitch	pitch	NOUN
ap-8331	42	12	of	of	ADP
ap-8331	42	13	the	the	DET
ap-8331	42	14	external	external	ADJ
ap-8331	42	15	surface	surface	NOUN
ap-8331	42	16	enhancers	enhancer	NOUN
ap-8331	42	17	to	to	PART
ap-8331	42	18	be	be	AUX
ap-8331	42	19	introduced	introduce	VERB
ap-8331	42	20	in	in	ADP
ap-8331	42	21	the	the	DET
ap-8331	42	22	heat	heat	NOUN
ap-8331	42	23	exchangers	exchanger	NOUN
ap-8331	42	24	[	[	X
ap-8331	42	25	11	11	NUM
ap-8331	42	26	]	]	PUNCT
ap-8331	42	27	.	.	PUNCT
ap-8331	43	1	hence	hence	ADV
ap-8331	43	2	,	,	PUNCT
ap-8331	43	3	the	the	DET
ap-8331	43	4	thickness	thickness	NOUN
ap-8331	43	5	and	and	CCONJ
ap-8331	43	6	pitch	pitch	NOUN
ap-8331	43	7	of	of	ADP
ap-8331	43	8	the	the	DET
ap-8331	43	9	tooth	tooth	NOUN
ap-8331	43	10	surface	surface	NOUN
ap-8331	43	11	to	to	PART
ap-8331	43	12	be	be	AUX
ap-8331	43	13	machined	machine	VERB
ap-8331	43	14	are	be	AUX
ap-8331	43	15	fixed	fix	VERB
ap-8331	43	16	as	as	ADP
ap-8331	43	17	4	4	NUM
ap-8331	43	18	mm	mm	NUM
ap-8331	43	19	and	and	CCONJ
ap-8331	43	20	8	8	NUM
ap-8331	43	21	mm	mm	NOUN
ap-8331	43	22	,	,	PUNCT
ap-8331	43	23	respectively	respectively	ADV
ap-8331	43	24	.	.	PUNCT
ap-8331	44	1	in	in	ADP
ap-8331	44	2	the	the	DET
ap-8331	44	3	present	present	ADJ
ap-8331	44	4	work	work	NOUN
ap-8331	44	5	,	,	PUNCT
ap-8331	44	6	water	water	NOUN
ap-8331	44	7	is	be	AUX
ap-8331	44	8	selected	select	VERB
ap-8331	44	9	as	as	SCONJ
ap-8331	44	10	the	the	DET
ap-8331	44	11	working	working	NOUN
ap-8331	44	12	fluid	fluid	NOUN
ap-8331	44	13	and	and	CCONJ
ap-8331	44	14	a	a	DET
ap-8331	44	15	twodimensional	twodimensional	ADJ
ap-8331	44	16	numerical	numerical	ADJ
ap-8331	44	17	analysis	analysis	NOUN
ap-8331	44	18	is	be	AUX
ap-8331	44	19	carried	carry	VERB
ap-8331	44	20	out	out	ADP
ap-8331	44	21	.	.	PUNCT
ap-8331	45	1	the	the	DET
ap-8331	45	2	investigation	investigation	NOUN
ap-8331	45	3	on	on	ADP
ap-8331	45	4	the	the	DET
ap-8331	45	5	heat	heat	NOUN
ap-8331	45	6	transfer	transfer	NOUN
ap-8331	45	7	characteristics	characteristic	NOUN
ap-8331	45	8	of	of	ADP
ap-8331	45	9	the	the	DET
ap-8331	45	10	double	double	ADJ
ap-8331	45	11	pipe	pipe	NOUN
ap-8331	45	12	heat	heat	NOUN
ap-8331	45	13	exchanger	exchanger	NOUN
ap-8331	45	14	is	be	AUX
ap-8331	45	15	carried	carry	VERB
ap-8331	45	16	out	out	ADP
ap-8331	45	17	both	both	CCONJ
ap-8331	45	18	numerically	numerically	ADV
ap-8331	45	19	and	and	CCONJ
ap-8331	45	20	experimentally	experimentally	ADV
ap-8331	45	21	with	with	ADP
ap-8331	45	22	reynolds	reynolds	PROPN
ap-8331	45	23	number	number	NOUN
ap-8331	45	24	values	value	VERB
ap-8331	45	25	up	up	ADP
ap-8331	45	26	to	to	PART
ap-8331	45	27	43	43	NUM
ap-8331	45	28	000	000	NUM
ap-8331	45	29	.	.	PUNCT
ap-8331	46	1	2	2	NUM
ap-8331	46	2	.	.	X
ap-8331	46	3	numerical	numerical	PROPN
ap-8331	46	4	simulation	simulation	PROPN
ap-8331	46	5	cfd	cfd	PROPN
ap-8331	46	6	software	software	NOUN
ap-8331	46	7	is	be	AUX
ap-8331	46	8	largely	largely	ADV
ap-8331	46	9	used	use	VERB
ap-8331	46	10	to	to	PART
ap-8331	46	11	study	study	VERB
ap-8331	46	12	the	the	DET
ap-8331	46	13	fluid	fluid	ADJ
ap-8331	46	14	flow	flow	NOUN
ap-8331	46	15	and	and	CCONJ
ap-8331	46	16	heat	heat	NOUN
ap-8331	46	17	transfer	transfer	NOUN
ap-8331	46	18	by	by	ADP
ap-8331	46	19	solving	solve	VERB
ap-8331	46	20	the	the	DET
ap-8331	46	21	mathematical	mathematical	ADJ
ap-8331	46	22	equations	equation	NOUN
ap-8331	46	23	with	with	ADP
ap-8331	46	24	the	the	DET
ap-8331	46	25	help	help	NOUN
ap-8331	46	26	of	of	ADP
ap-8331	46	27	a	a	DET
ap-8331	46	28	numerical	numerical	ADJ
ap-8331	46	29	analysis	analysis	NOUN
ap-8331	46	30	.	.	PUNCT
ap-8331	47	1	it	it	PRON
ap-8331	47	2	is	be	AUX
ap-8331	47	3	equally	equally	ADV
ap-8331	47	4	helpful	helpful	ADJ
ap-8331	47	5	in	in	ADP
ap-8331	47	6	designing	design	VERB
ap-8331	47	7	a	a	DET
ap-8331	47	8	heat	heat	NOUN
ap-8331	47	9	exchanger	exchanger	NOUN
ap-8331	47	10	system	system	NOUN
ap-8331	47	11	as	as	ADV
ap-8331	47	12	well	well	ADV
ap-8331	47	13	as	as	ADP
ap-8331	47	14	in	in	ADP
ap-8331	47	15	troubleshooting	troubleshooting	NOUN
ap-8331	47	16	by	by	ADP
ap-8331	47	17	suggesting	suggest	VERB
ap-8331	47	18	design	design	NOUN
ap-8331	47	19	modifications	modification	NOUN
ap-8331	47	20	[	[	X
ap-8331	47	21	16	16	NUM
ap-8331	47	22	]	]	PUNCT
ap-8331	47	23	.	.	PUNCT
ap-8331	48	1	the	the	DET
ap-8331	48	2	two	two	NUM
ap-8331	48	3	-	-	PUNCT
ap-8331	48	4	dimensional	dimensional	ADJ
ap-8331	48	5	geometric	geometric	ADJ
ap-8331	48	6	model	model	NOUN
ap-8331	48	7	of	of	ADP
ap-8331	48	8	the	the	DET
ap-8331	48	9	double	double	ADJ
ap-8331	48	10	pipe	pipe	NOUN
ap-8331	48	11	heat	heat	NOUN
ap-8331	48	12	exchanger	exchanger	NOUN
ap-8331	48	13	is	be	AUX
ap-8331	48	14	developed	develop	VERB
ap-8331	48	15	in	in	ADP
ap-8331	48	16	solidworks	solidworks	NOUN
ap-8331	48	17	designing	design	VERB
ap-8331	48	18	tool	tool	NOUN
ap-8331	48	19	and	and	CCONJ
ap-8331	48	20	imported	import	VERB
ap-8331	48	21	into	into	ADP
ap-8331	48	22	the	the	DET
ap-8331	48	23	ansys	ansys	PROPN
ap-8331	48	24	fluent	fluent	PROPN
ap-8331	48	25	in	in	ADP
ap-8331	48	26	igs	igs	PROPN
ap-8331	48	27	format	format	NOUN
ap-8331	48	28	.	.	PUNCT
ap-8331	49	1	due	due	ADP
ap-8331	49	2	to	to	ADP
ap-8331	49	3	the	the	DET
ap-8331	49	4	symmetric	symmetric	ADJ
ap-8331	49	5	nature	nature	NOUN
ap-8331	49	6	of	of	ADP
ap-8331	49	7	the	the	DET
ap-8331	49	8	heat	heat	NOUN
ap-8331	49	9	exchanger	exchanger	NOUN
ap-8331	49	10	,	,	PUNCT
ap-8331	49	11	only	only	ADV
ap-8331	49	12	the	the	DET
ap-8331	49	13	top	top	ADJ
ap-8331	49	14	half	half	NOUN
ap-8331	49	15	of	of	ADP
ap-8331	49	16	the	the	DET
ap-8331	49	17	heat	heat	NOUN
ap-8331	49	18	exchanger	exchanger	NOUN
ap-8331	49	19	is	be	AUX
ap-8331	49	20	modelled	model	VERB
ap-8331	49	21	,	,	PUNCT
ap-8331	49	22	and	and	CCONJ
ap-8331	49	23	an	an	DET
ap-8331	49	24	axisymmetric	axisymmetric	ADJ
ap-8331	49	25	condition	condition	NOUN
ap-8331	49	26	is	be	AUX
ap-8331	49	27	applied	apply	VERB
ap-8331	49	28	in	in	ADP
ap-8331	49	29	the	the	DET
ap-8331	49	30	ansys	ansys	PROPN
ap-8331	49	31	fluent	fluent	PROPN
ap-8331	49	32	solver	solver	PROPN
ap-8331	49	33	.	.	PUNCT
ap-8331	50	1	the	the	DET
ap-8331	50	2	existing	exist	VERB
ap-8331	50	3	problem	problem	NOUN
ap-8331	50	4	is	be	AUX
ap-8331	50	5	thus	thus	ADV
ap-8331	50	6	simulated	simulate	VERB
ap-8331	50	7	by	by	ADP
ap-8331	50	8	using	use	VERB
ap-8331	50	9	a	a	DET
ap-8331	50	10	twodimensional	twodimensional	ADJ
ap-8331	50	11	heat	heat	NOUN
ap-8331	50	12	transfer	transfer	NOUN
ap-8331	50	13	analysis	analysis	NOUN
ap-8331	50	14	[	[	X
ap-8331	50	15	17–19	17–19	NUM
ap-8331	50	16	]	]	PUNCT
ap-8331	50	17	.	.	PUNCT
ap-8331	51	1	triangle	triangle	NOUN
ap-8331	51	2	elements	element	NOUN
ap-8331	51	3	are	be	AUX
ap-8331	51	4	applied	apply	VERB
ap-8331	51	5	for	for	ADP
ap-8331	51	6	all	all	DET
ap-8331	51	7	the	the	DET
ap-8331	51	8	three	three	NUM
ap-8331	51	9	regions	region	NOUN
ap-8331	51	10	.	.	PUNCT
ap-8331	52	1	the	the	DET
ap-8331	52	2	axisymmetric	axisymmetric	ADJ
ap-8331	52	3	heat	heat	NOUN
ap-8331	52	4	exchanger	exchanger	NOUN
ap-8331	52	5	models	model	NOUN
ap-8331	52	6	for	for	ADP
ap-8331	52	7	plain	plain	ADJ
ap-8331	52	8	profile	profile	NOUN
ap-8331	52	9	,	,	PUNCT
ap-8331	52	10	profile	profile	NOUN
ap-8331	52	11	with	with	ADP
ap-8331	52	12	rectangular	rectangular	ADJ
ap-8331	52	13	,	,	PUNCT
ap-8331	52	14	and	and	CCONJ
ap-8331	52	15	triangular	triangular	NOUN
ap-8331	52	16	labyrinths	labyrinth	NOUN
ap-8331	52	17	,	,	PUNCT
ap-8331	52	18	whose	whose	DET
ap-8331	52	19	meshes	mesh	NOUN
ap-8331	52	20	are	be	AUX
ap-8331	52	21	shown	show	VERB
ap-8331	52	22	in	in	ADP
ap-8331	52	23	figure	figure	NOUN
ap-8331	52	24	6	6	NUM
ap-8331	52	25	,	,	PUNCT
ap-8331	52	26	7	7	NUM
ap-8331	52	27	and	and	CCONJ
ap-8331	52	28	8	8	NUM
ap-8331	52	29	,	,	PUNCT
ap-8331	52	30	respectively	respectively	ADV
ap-8331	52	31	,	,	PUNCT
ap-8331	52	32	are	be	AUX
ap-8331	52	33	developed	develop	VERB
ap-8331	52	34	.	.	PUNCT
ap-8331	53	1	region	region	NOUN
ap-8331	53	2	1	1	NUM
ap-8331	53	3	represents	represent	VERB
ap-8331	53	4	the	the	DET
ap-8331	53	5	hot	hot	ADJ
ap-8331	53	6	fluid	fluid	ADJ
ap-8331	53	7	domain	domain	NOUN
ap-8331	53	8	;	;	PUNCT
ap-8331	53	9	region	region	NOUN
ap-8331	53	10	2	2	NUM
ap-8331	53	11	represents	represent	VERB
ap-8331	53	12	the	the	DET
ap-8331	53	13	copper	copper	NOUN
ap-8331	53	14	solid	solid	ADJ
ap-8331	53	15	domain	domain	NOUN
ap-8331	53	16	and	and	CCONJ
ap-8331	53	17	region	region	NOUN
ap-8331	53	18	3	3	NUM
ap-8331	53	19	represents	represent	VERB
ap-8331	53	20	the	the	DET
ap-8331	53	21	cold	cold	ADJ
ap-8331	53	22	fluid	fluid	ADJ
ap-8331	53	23	domain	domain	NOUN
ap-8331	53	24	.	.	PUNCT
ap-8331	54	1	the	the	DET
ap-8331	54	2	body	body	NOUN
ap-8331	54	3	sizing	sizing	NOUN
ap-8331	54	4	and	and	CCONJ
ap-8331	54	5	refinement	refinement	NOUN
ap-8331	54	6	conditions	condition	NOUN
ap-8331	54	7	differ	differ	VERB
ap-8331	54	8	for	for	ADP
ap-8331	54	9	each	each	DET
ap-8331	54	10	region	region	NOUN
ap-8331	54	11	.	.	PUNCT
ap-8331	55	1	zero	zero	NUM
ap-8331	55	2	heat	heat	NOUN
ap-8331	55	3	flux	flux	NOUN
ap-8331	55	4	boundary	boundary	ADJ
ap-8331	55	5	condition	condition	NOUN
ap-8331	55	6	is	be	AUX
ap-8331	55	7	applied	apply	VERB
ap-8331	55	8	to	to	ADP
ap-8331	55	9	the	the	DET
ap-8331	55	10	outer	outer	ADJ
ap-8331	55	11	wall	wall	NOUN
ap-8331	55	12	and	and	CCONJ
ap-8331	55	13	solid	solid	ADJ
ap-8331	55	14	side	side	ADJ
ap-8331	55	15	walls	wall	NOUN
ap-8331	55	16	,	,	PUNCT
ap-8331	55	17	assuming	assume	VERB
ap-8331	55	18	to	to	PART
ap-8331	55	19	be	be	AUX
ap-8331	55	20	perfectly	perfectly	ADV
ap-8331	55	21	insulated	insulate	VERB
ap-8331	55	22	[	[	PUNCT
ap-8331	55	23	10	10	NUM
ap-8331	55	24	]	]	PUNCT
ap-8331	55	25	.	.	PUNCT
ap-8331	56	1	the	the	DET
ap-8331	56	2	solid	solid	ADJ
ap-8331	56	3	fluid	fluid	ADJ
ap-8331	56	4	interfaces	interface	NOUN
ap-8331	56	5	are	be	AUX
ap-8331	56	6	no	no	DET
ap-8331	56	7	-	-	PUNCT
ap-8331	56	8	slip	slip	NOUN
ap-8331	56	9	walls	wall	NOUN
ap-8331	56	10	where	where	SCONJ
ap-8331	56	11	the	the	DET
ap-8331	56	12	heat	heat	NOUN
ap-8331	56	13	flux	flux	NOUN
ap-8331	56	14	and	and	CCONJ
ap-8331	56	15	the	the	DET
ap-8331	56	16	temperature	temperature	NOUN
ap-8331	56	17	are	be	AUX
ap-8331	56	18	continuous	continuous	ADJ
ap-8331	56	19	across	across	ADP
ap-8331	56	20	the	the	DET
ap-8331	56	21	boundary	boundary	ADJ
ap-8331	56	22	line	line	NOUN
ap-8331	57	1	[	[	X
ap-8331	57	2	1	1	NUM
ap-8331	57	3	,	,	PUNCT
ap-8331	57	4	3	3	NUM
ap-8331	57	5	]	]	PUNCT
ap-8331	57	6	.	.	PUNCT
ap-8331	58	1	a	a	DET
ap-8331	58	2	grid	grid	ADJ
ap-8331	58	3	independent	independent	ADJ
ap-8331	58	4	test	test	NOUN
ap-8331	58	5	was	be	AUX
ap-8331	58	6	conducted	conduct	VERB
ap-8331	58	7	to	to	PART
ap-8331	58	8	check	check	VERB
ap-8331	58	9	the	the	DET
ap-8331	58	10	dependence	dependence	NOUN
ap-8331	58	11	of	of	ADP
ap-8331	58	12	the	the	DET
ap-8331	58	13	solution	solution	NOUN
ap-8331	58	14	on	on	ADP
ap-8331	58	15	the	the	DET
ap-8331	58	16	quality	quality	NOUN
ap-8331	58	17	of	of	ADP
ap-8331	58	18	the	the	DET
ap-8331	58	19	mesh	mesh	NOUN
ap-8331	58	20	.	.	PUNCT
ap-8331	59	1	pressure	pressure	NOUN
ap-8331	59	2	-	-	PUNCT
ap-8331	59	3	based	base	VERB
ap-8331	59	4	solver	solver	NOUN
ap-8331	59	5	and	and	CCONJ
ap-8331	59	6	k	k	ADJ
ap-8331	59	7	-	-	PUNCT
ap-8331	59	8	epsilon	epsilon	PROPN
ap-8331	59	9	turbulence	turbulence	NOUN
ap-8331	59	10	model	model	NOUN
ap-8331	59	11	are	be	AUX
ap-8331	59	12	chosen	choose	VERB
ap-8331	59	13	for	for	ADP
ap-8331	59	14	the	the	DET
ap-8331	59	15	study	study	NOUN
ap-8331	59	16	[	[	X
ap-8331	59	17	17	17	NUM
ap-8331	59	18	,	,	PUNCT
ap-8331	59	19	20	20	NUM
ap-8331	59	20	]	]	PUNCT
ap-8331	59	21	.	.	PUNCT
ap-8331	60	1	the	the	DET
ap-8331	60	2	k	k	PROPN
ap-8331	60	3	-	-	PUNCT
ap-8331	60	4	epsilon	epsilon	PROPN
ap-8331	60	5	models	model	NOUN
ap-8331	60	6	are	be	AUX
ap-8331	60	7	categorised	categorise	VERB
ap-8331	60	8	in	in	ADP
ap-8331	60	9	two	two	NUM
ap-8331	60	10	equation	equation	NOUN
ap-8331	60	11	models	model	NOUN
ap-8331	60	12	in	in	ADP
ap-8331	60	13	which	which	PRON
ap-8331	60	14	both	both	CCONJ
ap-8331	60	15	the	the	DET
ap-8331	60	16	turbulent	turbulent	ADJ
ap-8331	60	17	length	length	NOUN
ap-8331	60	18	and	and	CCONJ
ap-8331	60	19	the	the	DET
ap-8331	60	20	time	time	NOUN
ap-8331	60	21	scale	scale	NOUN
ap-8331	60	22	are	be	AUX
ap-8331	60	23	determined	determine	VERB
ap-8331	60	24	by	by	ADP
ap-8331	60	25	solving	solve	VERB
ap-8331	60	26	two	two	NUM
ap-8331	60	27	separate	separate	ADJ
ap-8331	60	28	transport	transport	NOUN
ap-8331	60	29	equations	equation	NOUN
ap-8331	60	30	.	.	PUNCT
ap-8331	61	1	out	out	ADP
ap-8331	61	2	of	of	ADP
ap-8331	61	3	the	the	DET
ap-8331	61	4	three	three	NUM
ap-8331	61	5	different	different	ADJ
ap-8331	61	6	k	k	ADJ
ap-8331	61	7	-	-	PUNCT
ap-8331	61	8	epsilon	epsilon	PROPN
ap-8331	61	9	models	model	NOUN
ap-8331	61	10	in	in	ADP
ap-8331	61	11	ansys	ansys	PROPN
ap-8331	61	12	fluent	fluent	PROPN
ap-8331	61	13	,	,	PUNCT
ap-8331	61	14	the	the	DET
ap-8331	61	15	standard	standard	ADJ
ap-8331	61	16	k	k	PROPN
ap-8331	61	17	-	-	PUNCT
ap-8331	61	18	epsilon	epsilon	PROPN
ap-8331	61	19	model	model	NOUN
ap-8331	61	20	is	be	AUX
ap-8331	61	21	the	the	DET
ap-8331	61	22	most	most	ADV
ap-8331	61	23	commonly	commonly	ADV
ap-8331	61	24	used	use	VERB
ap-8331	61	25	model	model	NOUN
ap-8331	61	26	for	for	ADP
ap-8331	61	27	simulating	simulate	VERB
ap-8331	61	28	a	a	DET
ap-8331	61	29	turbulent	turbulent	ADJ
ap-8331	61	30	flow	flow	NOUN
ap-8331	61	31	[	[	X
ap-8331	61	32	21	21	NUM
ap-8331	61	33	]	]	PUNCT
ap-8331	61	34	.	.	PUNCT
ap-8331	62	1	the	the	DET
ap-8331	62	2	inlet	inlet	ADJ
ap-8331	62	3	temperature	temperature	NOUN
ap-8331	62	4	and	and	CCONJ
ap-8331	62	5	mass	mass	NOUN
ap-8331	62	6	flow	flow	NOUN
ap-8331	62	7	rate	rate	NOUN
ap-8331	62	8	of	of	ADP
ap-8331	62	9	the	the	DET
ap-8331	62	10	cold	cold	ADJ
ap-8331	62	11	and	and	CCONJ
ap-8331	62	12	hot	hot	ADJ
ap-8331	62	13	fluids	fluid	NOUN
ap-8331	62	14	are	be	AUX
ap-8331	62	15	specified	specify	VERB
ap-8331	62	16	.	.	PUNCT
ap-8331	63	1	at	at	ADP
ap-8331	63	2	the	the	DET
ap-8331	63	3	outlet	outlet	NOUN
ap-8331	63	4	,	,	PUNCT
ap-8331	63	5	the	the	DET
ap-8331	63	6	mass	mass	PROPN
ap-8331	63	7	flow	flow	NOUN
ap-8331	63	8	outlet	outlet	NOUN
ap-8331	63	9	condition	condition	NOUN
ap-8331	63	10	is	be	AUX
ap-8331	63	11	specified	specify	VERB
ap-8331	63	12	for	for	ADP
ap-8331	63	13	both	both	CCONJ
ap-8331	63	14	the	the	DET
ap-8331	63	15	hot	hot	ADJ
ap-8331	63	16	and	and	CCONJ
ap-8331	63	17	cold	cold	ADJ
ap-8331	63	18	fluids	fluid	NOUN
ap-8331	63	19	.	.	PUNCT
ap-8331	64	1	table	table	NOUN
ap-8331	64	2	1	1	NUM
ap-8331	64	3	gives	give	VERB
ap-8331	64	4	the	the	DET
ap-8331	64	5	details	detail	NOUN
ap-8331	64	6	of	of	ADP
ap-8331	64	7	the	the	DET
ap-8331	64	8	solution	solution	NOUN
ap-8331	64	9	methods	method	NOUN
ap-8331	64	10	used	use	VERB
ap-8331	64	11	.	.	PUNCT
ap-8331	65	1	an	an	DET
ap-8331	65	2	important	important	ADJ
ap-8331	65	3	aspect	aspect	NOUN
ap-8331	65	4	in	in	ADP
ap-8331	65	5	the	the	DET
ap-8331	65	6	numerical	numerical	ADJ
ap-8331	65	7	analysis	analysis	NOUN
ap-8331	65	8	is	be	AUX
ap-8331	65	9	to	to	PART
ap-8331	65	10	arrive	arrive	VERB
ap-8331	65	11	at	at	ADP
ap-8331	65	12	a	a	DET
ap-8331	65	13	convergence	convergence	NOUN
ap-8331	65	14	of	of	ADP
ap-8331	65	15	the	the	DET
ap-8331	65	16	solution	solution	NOUN
ap-8331	65	17	.	.	PUNCT
ap-8331	66	1	the	the	DET
ap-8331	66	2	convergence	convergence	NOUN
ap-8331	66	3	criterion	criterion	NOUN
ap-8331	66	4	for	for	ADP
ap-8331	66	5	continuity	continuity	NOUN
ap-8331	66	6	,	,	PUNCT
ap-8331	66	7	velocity	velocity	NOUN
ap-8331	66	8	,	,	PUNCT
ap-8331	66	9	and	and	CCONJ
ap-8331	66	10	k	k	X
ap-8331	66	11	-	-	PUNCT
ap-8331	66	12	epsilon	epsilon	PROPN
ap-8331	66	13	equations	equation	NOUN
ap-8331	66	14	are	be	AUX
ap-8331	66	15	reduced	reduce	VERB
ap-8331	66	16	to	to	ADP
ap-8331	66	17	0.001	0.001	NUM
ap-8331	66	18	,	,	PUNCT
ap-8331	66	19	and	and	CCONJ
ap-8331	66	20	for	for	ADP
ap-8331	66	21	the	the	DET
ap-8331	66	22	energy	energy	NOUN
ap-8331	66	23	equation	equation	NOUN
ap-8331	66	24	,	,	PUNCT
ap-8331	66	25	the	the	DET
ap-8331	66	26	value	value	NOUN
ap-8331	66	27	is	be	AUX
ap-8331	66	28	set	set	VERB
ap-8331	66	29	to	to	ADP
ap-8331	66	30	0.0001	0.0001	NUM
ap-8331	66	31	.	.	PUNCT
ap-8331	67	1	the	the	DET
ap-8331	67	2	differential	differential	ADJ
ap-8331	67	3	equations	equation	NOUN
ap-8331	67	4	constituting	constitute	VERB
ap-8331	67	5	the	the	DET
ap-8331	67	6	mathematical	mathematical	ADJ
ap-8331	67	7	model	model	NOUN
ap-8331	67	8	for	for	ADP
ap-8331	67	9	the	the	DET
ap-8331	67	10	physical	physical	ADJ
ap-8331	67	11	problem	problem	NOUN
ap-8331	67	12	under	under	ADP
ap-8331	67	13	study	study	NOUN
ap-8331	67	14	is	be	AUX
ap-8331	67	15	given	give	VERB
ap-8331	67	16	below	below	ADV
ap-8331	67	17	.	.	PUNCT
ap-8331	68	1	66	66	NUM
ap-8331	68	2	vol	vol	NOUN
ap-8331	68	3	.	.	PUNCT
ap-8331	68	4	63	63	NUM
ap-8331	68	5	no	no	NOUN
ap-8331	68	6	.	.	PUNCT
ap-8331	69	1	1/2023	1/2023	NUM
ap-8331	69	2	heat	heat	NOUN
ap-8331	69	3	transfer	transfer	NOUN
ap-8331	69	4	characteristics	characteristic	NOUN
ap-8331	69	5	of	of	ADP
ap-8331	69	6	double	double	ADJ
ap-8331	69	7	pipe	pipe	NOUN
ap-8331	69	8	heat	heat	NOUN
ap-8331	69	9	exchanger	exchanger	NOUN
ap-8331	69	10	.	.	PUNCT
ap-8331	69	11	.	.	PUNCT
ap-8331	69	12	.	.	PUNCT
ap-8331	70	1	figure	figure	VERB
ap-8331	70	2	3	3	NUM
ap-8331	70	3	.	.	PUNCT
ap-8331	71	1	dimensions	dimension	NOUN
ap-8331	71	2	of	of	ADP
ap-8331	71	3	the	the	DET
ap-8331	71	4	plain	plain	ADJ
ap-8331	71	5	heat	heat	NOUN
ap-8331	71	6	exchanger	exchanger	NOUN
ap-8331	71	7	.	.	PUNCT
ap-8331	72	1	figure	figure	NOUN
ap-8331	72	2	4	4	NUM
ap-8331	72	3	.	.	PUNCT
ap-8331	73	1	dimensions	dimension	NOUN
ap-8331	73	2	of	of	ADP
ap-8331	73	3	rectangular	rectangular	ADJ
ap-8331	73	4	labyrinth	labyrinth	ADJ
ap-8331	73	5	heat	heat	NOUN
ap-8331	73	6	exchanger	exchanger	NOUN
ap-8331	73	7	.	.	PUNCT
ap-8331	74	1	figure	figure	NOUN
ap-8331	74	2	5	5	NUM
ap-8331	74	3	.	.	PUNCT
ap-8331	75	1	dimensions	dimension	NOUN
ap-8331	75	2	of	of	ADP
ap-8331	75	3	the	the	DET
ap-8331	75	4	triangular	triangular	ADJ
ap-8331	75	5	labyrinth	labyrinth	ADJ
ap-8331	75	6	heat	heat	NOUN
ap-8331	75	7	exchanger	exchanger	NOUN
ap-8331	75	8	.	.	PUNCT
ap-8331	76	1	67	67	NUM
ap-8331	76	2	b.	b.	PROPN
ap-8331	76	3	vijayaragavan	vijayaragavan	NOUN
ap-8331	76	4	,	,	PUNCT
ap-8331	76	5	s.	s.	PROPN
ap-8331	76	6	p.	p.	PROPN
ap-8331	76	7	asok	asok	PROPN
ap-8331	76	8	,	,	PUNCT
ap-8331	76	9	c.	c.	PROPN
ap-8331	76	10	r.	r.	PROPN
ap-8331	76	11	shakthi	shakthi	PROPN
ap-8331	76	12	ganesh	ganesh	PROPN
ap-8331	76	13	acta	acta	PROPN
ap-8331	76	14	polytechnica	polytechnica	PROPN
ap-8331	76	15	figure	figure	NOUN
ap-8331	76	16	6	6	NUM
ap-8331	76	17	.	.	PUNCT
ap-8331	76	18	mesh	mesh	NOUN
ap-8331	76	19	picture	picture	NOUN
ap-8331	76	20	for	for	ADP
ap-8331	76	21	plain	plain	ADJ
ap-8331	76	22	heat	heat	NOUN
ap-8331	76	23	exchanger	exchanger	NOUN
ap-8331	76	24	model	model	NOUN
ap-8331	76	25	.	.	PUNCT
ap-8331	77	1	figure	figure	VERB
ap-8331	77	2	7	7	NUM
ap-8331	77	3	.	.	PUNCT
ap-8331	77	4	mesh	mesh	NOUN
ap-8331	77	5	picture	picture	NOUN
ap-8331	77	6	for	for	ADP
ap-8331	77	7	heat	heat	NOUN
ap-8331	77	8	exchanger	exchanger	NOUN
ap-8331	77	9	with	with	ADP
ap-8331	77	10	rectangular	rectangular	ADJ
ap-8331	77	11	labyrinth	labyrinth	NOUN
ap-8331	77	12	.	.	PUNCT
ap-8331	78	1	conservation	conservation	NOUN
ap-8331	78	2	of	of	ADP
ap-8331	78	3	mass	mass	NOUN
ap-8331	78	4	:	:	PUNCT
ap-8331	78	5	∂ρ	∂ρ	PROPN
ap-8331	78	6	∂t	∂t	PROPN
ap-8331	78	7	+	+	CCONJ
ap-8331	78	8	∂(ρuj	∂(ρuj	NOUN
ap-8331	78	9	)	)	PUNCT
ap-8331	78	10	∂xj	∂xj	NOUN
ap-8331	78	11	=	=	SYM
ap-8331	78	12	0	0	NUM
ap-8331	78	13	.	.	PUNCT
ap-8331	79	1	(	(	PUNCT
ap-8331	79	2	1	1	X
ap-8331	79	3	)	)	PUNCT
ap-8331	79	4	conservation	conservation	NOUN
ap-8331	79	5	of	of	ADP
ap-8331	79	6	momentum	momentum	NOUN
ap-8331	79	7	:	:	PUNCT
ap-8331	79	8	∂(ρuj	∂(ρuj	X
ap-8331	79	9	)	)	PUNCT
ap-8331	80	1	∂t	∂t	PROPN
ap-8331	80	2	+	+	NUM
ap-8331	80	3	∂(ρujui	∂(ρujui	NOUN
ap-8331	80	4	)	)	PUNCT
ap-8331	80	5	∂xj	∂xj	NOUN
ap-8331	80	6	=	=	SYM
ap-8331	80	7	ρfi	ρfi	NOUN
ap-8331	80	8	+	+	CCONJ
ap-8331	80	9	∂σji	∂σji	NOUN
ap-8331	80	10	∂xj	∂xj	NOUN
ap-8331	80	11	.	.	PUNCT
ap-8331	81	1	(	(	PUNCT
ap-8331	81	2	2	2	X
ap-8331	81	3	)	)	PUNCT
ap-8331	81	4	conservation	conservation	NOUN
ap-8331	81	5	of	of	ADP
ap-8331	81	6	energy	energy	NOUN
ap-8331	81	7	:	:	PUNCT
ap-8331	81	8	∂(ρe	∂(ρe	NOUN
ap-8331	81	9	)	)	PUNCT
ap-8331	82	1	∂t	∂t	PROPN
ap-8331	82	2	+	+	NUM
ap-8331	82	3	∂(ρeuj	∂(ρeuj	NOUN
ap-8331	82	4	)	)	PUNCT
ap-8331	82	5	∂xj	∂xj	NOUN
ap-8331	82	6	=	=	PUNCT
ap-8331	83	1	−ρfiui	−ρfiui	PROPN
ap-8331	84	1	+	+	CCONJ
ap-8331	84	2	∂(σjiui	∂(σjiui	NOUN
ap-8331	84	3	)	)	PUNCT
ap-8331	84	4	∂xj	∂xj	NOUN
ap-8331	84	5	−	−	PROPN
ap-8331	84	6	∂qj	∂qj	PROPN
ap-8331	84	7	∂xj	∂xj	PROPN
ap-8331	84	8	(	(	PUNCT
ap-8331	84	9	3	3	X
ap-8331	84	10	)	)	PUNCT
ap-8331	84	11	the	the	DET
ap-8331	84	12	established	establish	VERB
ap-8331	84	13	mathematical	mathematical	ADJ
ap-8331	84	14	model	model	NOUN
ap-8331	84	15	is	be	AUX
ap-8331	84	16	solved	solve	VERB
ap-8331	84	17	by	by	ADP
ap-8331	84	18	a	a	DET
ap-8331	84	19	finite	finite	ADJ
ap-8331	84	20	volume	volume	NOUN
ap-8331	84	21	method	method	NOUN
ap-8331	84	22	where	where	SCONJ
ap-8331	84	23	the	the	DET
ap-8331	84	24	computational	computational	ADJ
ap-8331	84	25	domain	domain	NOUN
ap-8331	84	26	is	be	AUX
ap-8331	84	27	divided	divide	VERB
ap-8331	84	28	into	into	ADP
ap-8331	84	29	small	small	ADJ
ap-8331	84	30	volumes	volume	NOUN
ap-8331	84	31	,	,	PUNCT
ap-8331	84	32	and	and	CCONJ
ap-8331	84	33	then	then	ADV
ap-8331	84	34	the	the	DET
ap-8331	84	35	discrete	discrete	ADJ
ap-8331	84	36	algebraic	algebraic	ADJ
ap-8331	84	37	equations	equation	NOUN
ap-8331	84	38	of	of	ADP
ap-8331	84	39	the	the	DET
ap-8331	84	40	above	above	ADJ
ap-8331	84	41	model	model	NOUN
ap-8331	84	42	are	be	AUX
ap-8331	84	43	solved	solve	VERB
ap-8331	84	44	by	by	ADP
ap-8331	84	45	iteration	iteration	NOUN
ap-8331	84	46	.	.	PUNCT
ap-8331	85	1	the	the	DET
ap-8331	85	2	residuals	residual	NOUN
ap-8331	85	3	of	of	ADP
ap-8331	85	4	the	the	DET
ap-8331	85	5	velocity	velocity	NOUN
ap-8331	85	6	,	,	PUNCT
ap-8331	85	7	energy	energy	NOUN
ap-8331	85	8	,	,	PUNCT
ap-8331	85	9	and	and	CCONJ
ap-8331	85	10	k	k	PROPN
ap-8331	85	11	-	-	PUNCT
ap-8331	85	12	epsilon	epsilon	PROPN
ap-8331	85	13	equations	equation	NOUN
ap-8331	85	14	are	be	AUX
ap-8331	85	15	small	small	ADJ
ap-8331	85	16	and	and	CCONJ
ap-8331	85	17	a	a	DET
ap-8331	85	18	sample	sample	NOUN
ap-8331	85	19	residual	residual	ADJ
ap-8331	85	20	convergence	convergence	NOUN
ap-8331	85	21	plot	plot	NOUN
ap-8331	85	22	for	for	ADP
ap-8331	85	23	the	the	DET
ap-8331	85	24	plain	plain	ADJ
ap-8331	85	25	double	double	ADJ
ap-8331	85	26	pipe	pipe	NOUN
ap-8331	85	27	heat	heat	NOUN
ap-8331	85	28	exchanger	exchanger	NOUN
ap-8331	85	29	is	be	AUX
ap-8331	85	30	shown	show	VERB
ap-8331	85	31	in	in	ADP
ap-8331	85	32	figure	figure	NOUN
ap-8331	85	33	9	9	NUM
ap-8331	85	34	.	.	NOUN
ap-8331	86	1	3	3	X
ap-8331	86	2	.	.	X
ap-8331	86	3	equations	equation	NOUN
ap-8331	86	4	used	use	VERB
ap-8331	86	5	in	in	ADP
ap-8331	86	6	theoretical	theoretical	ADJ
ap-8331	86	7	calculation	calculation	NOUN
ap-8331	86	8	reynolds	reynold	NOUN
ap-8331	86	9	number	number	NOUN
ap-8331	86	10	is	be	AUX
ap-8331	86	11	given	give	VERB
ap-8331	86	12	by	by	ADP
ap-8331	86	13	the	the	DET
ap-8331	86	14	relation	relation	NOUN
ap-8331	86	15	,	,	PUNCT
ap-8331	86	16	re	re	ADP
ap-8331	86	17	=	=	NOUN
ap-8331	86	18	udh	udh	PROPN
ap-8331	86	19	υ	υ	PROPN
ap-8331	86	20	(	(	PUNCT
ap-8331	86	21	4	4	NUM
ap-8331	86	22	)	)	PUNCT
ap-8331	86	23	and	and	CCONJ
ap-8331	86	24	the	the	DET
ap-8331	86	25	hydraulic	hydraulic	ADJ
ap-8331	86	26	diameter	diameter	NOUN
ap-8331	86	27	dh	dh	PROPN
ap-8331	86	28	is	be	AUX
ap-8331	86	29	given	give	VERB
ap-8331	86	30	by	by	ADP
ap-8331	86	31	the	the	DET
ap-8331	86	32	difference	difference	NOUN
ap-8331	86	33	between	between	ADP
ap-8331	86	34	the	the	DET
ap-8331	86	35	inner	inner	ADJ
ap-8331	86	36	diameter	diameter	NOUN
ap-8331	86	37	of	of	ADP
ap-8331	86	38	the	the	DET
ap-8331	86	39	outer	outer	ADJ
ap-8331	86	40	tube	tube	NOUN
ap-8331	86	41	figure	figure	NOUN
ap-8331	86	42	8	8	NUM
ap-8331	86	43	.	.	PUNCT
ap-8331	86	44	mesh	mesh	NOUN
ap-8331	86	45	picture	picture	NOUN
ap-8331	86	46	for	for	ADP
ap-8331	86	47	heat	heat	NOUN
ap-8331	86	48	exchanger	exchanger	NOUN
ap-8331	86	49	with	with	ADP
ap-8331	86	50	triangular	triangular	ADJ
ap-8331	86	51	labyrinth	labyrinth	ADJ
ap-8331	86	52	.	.	PUNCT
ap-8331	87	1	item	item	NOUN
ap-8331	87	2	condition	condition	NOUN
ap-8331	87	3	taken	take	VERB
ap-8331	87	4	solution	solution	NOUN
ap-8331	87	5	method	method	NOUN
ap-8331	87	6	pressure	pressure	NOUN
ap-8331	87	7	-	-	PUNCT
ap-8331	87	8	velocity	velocity	NOUN
ap-8331	87	9	coupling	couple	VERB
ap-8331	87	10	scheme	scheme	NOUN
ap-8331	87	11	coupled	couple	VERB
ap-8331	87	12	gradient	gradient	NOUN
ap-8331	87	13	least	least	ADJ
ap-8331	87	14	squares	square	NOUN
ap-8331	87	15	cell	cell	NOUN
ap-8331	87	16	based	base	VERB
ap-8331	87	17	pressure	pressure	NOUN
ap-8331	87	18	second	second	ADJ
ap-8331	87	19	order	order	NOUN
ap-8331	87	20	momentum	momentum	NOUN
ap-8331	87	21	second	second	ADJ
ap-8331	87	22	order	order	NOUN
ap-8331	87	23	upwind	upwind	VERB
ap-8331	87	24	turbulent	turbulent	ADJ
ap-8331	87	25	kinetic	kinetic	ADJ
ap-8331	87	26	energy	energy	NOUN
ap-8331	87	27	first	first	ADJ
ap-8331	87	28	order	order	NOUN
ap-8331	87	29	upwind	upwind	VERB
ap-8331	87	30	specific	specific	ADJ
ap-8331	87	31	dissipation	dissipation	NOUN
ap-8331	87	32	rate	rate	NOUN
ap-8331	87	33	first	first	ADJ
ap-8331	87	34	order	order	NOUN
ap-8331	87	35	upwind	upwind	VERB
ap-8331	87	36	energy	energy	NOUN
ap-8331	87	37	second	second	ADJ
ap-8331	87	38	order	order	NOUN
ap-8331	87	39	upwind	upwind	NOUN
ap-8331	87	40	table	table	NOUN
ap-8331	87	41	1	1	NUM
ap-8331	87	42	.	.	PUNCT
ap-8331	87	43	details	detail	NOUN
ap-8331	87	44	of	of	ADP
ap-8331	87	45	the	the	DET
ap-8331	87	46	solution	solution	NOUN
ap-8331	87	47	method	method	NOUN
ap-8331	87	48	.	.	PUNCT
ap-8331	88	1	and	and	CCONJ
ap-8331	88	2	the	the	DET
ap-8331	88	3	outer	outer	ADJ
ap-8331	88	4	diameter	diameter	NOUN
ap-8331	88	5	of	of	ADP
ap-8331	88	6	the	the	DET
ap-8331	88	7	inner	inner	ADJ
ap-8331	88	8	tube	tube	NOUN
ap-8331	88	9	[	[	X
ap-8331	88	10	4	4	NUM
ap-8331	88	11	]	]	PUNCT
ap-8331	88	12	.	.	PUNCT
ap-8331	89	1	for	for	ADP
ap-8331	89	2	the	the	DET
ap-8331	89	3	plain	plain	ADJ
ap-8331	89	4	profile	profile	NOUN
ap-8331	89	5	,	,	PUNCT
ap-8331	89	6	nusselt	nusselt	NOUN
ap-8331	89	7	number	number	NOUN
ap-8331	89	8	is	be	AUX
ap-8331	89	9	given	give	VERB
ap-8331	89	10	by	by	ADP
ap-8331	89	11	nu	nu	PROPN
ap-8331	89	12	=	=	PUNCT
ap-8331	89	13	hdh	hdh	PROPN
ap-8331	89	14	k	k	X
ap-8331	89	15	(	(	PUNCT
ap-8331	89	16	5	5	NUM
ap-8331	89	17	)	)	PUNCT
ap-8331	89	18	and	and	CCONJ
ap-8331	89	19	the	the	DET
ap-8331	89	20	heat	heat	NOUN
ap-8331	89	21	transfer	transfer	NOUN
ap-8331	89	22	coefficient	coefficient	NOUN
ap-8331	89	23	h	h	NOUN
ap-8331	89	24	=	=	NOUN
ap-8331	89	25	q	q	X
ap-8331	89	26	(	(	PUNCT
ap-8331	89	27	a	a	DET
ap-8331	89	28	·	·	PUNCT
ap-8331	89	29	∆thot	∆thot	NUM
ap-8331	89	30	)	)	PUNCT
ap-8331	89	31	.	.	PUNCT
ap-8331	90	1	(	(	PUNCT
ap-8331	90	2	6	6	NUM
ap-8331	90	3	)	)	PUNCT
ap-8331	90	4	for	for	ADP
ap-8331	90	5	the	the	DET
ap-8331	90	6	tooth	tooth	NOUN
ap-8331	90	7	profile	profile	NOUN
ap-8331	90	8	,	,	PUNCT
ap-8331	90	9	nusselt	nusselt	VERB
ap-8331	90	10	number	number	NOUN
ap-8331	90	11	[	[	X
ap-8331	90	12	3	3	NUM
ap-8331	90	13	]	]	PUNCT
ap-8331	90	14	is	be	AUX
ap-8331	90	15	given	give	VERB
ap-8331	90	16	by	by	ADP
ap-8331	90	17	nu	nu	PROPN
ap-8331	90	18	=	=	NOUN
ap-8331	90	19	0.0405re0.608hf	0.0405re0.608hf	PROPN
ap-8331	91	1	dh	dh	NOUN
ap-8331	91	2	−1.03wf	−1.03wf	PUNCT
ap-8331	91	3	dh	dh	NOUN
ap-8331	91	4	−0.908	−0.908	NOUN
ap-8331	91	5	.	.	PUNCT
ap-8331	92	1	(	(	PUNCT
ap-8331	92	2	7	7	X
ap-8331	92	3	)	)	PUNCT
ap-8331	92	4	the	the	DET
ap-8331	92	5	nusselt	nusselt	NOUN
ap-8331	92	6	number	number	NOUN
ap-8331	92	7	of	of	ADP
ap-8331	92	8	the	the	DET
ap-8331	92	9	plain	plain	ADJ
ap-8331	92	10	model	model	NOUN
ap-8331	92	11	is	be	AUX
ap-8331	92	12	in	in	ADP
ap-8331	92	13	the	the	DET
ap-8331	92	14	range	range	NOUN
ap-8331	92	15	of	of	ADP
ap-8331	92	16	0.5	0.5	NUM
ap-8331	92	17	,	,	PUNCT
ap-8331	92	18	whereas	whereas	SCONJ
ap-8331	92	19	the	the	DET
ap-8331	92	20	nusselt	nusselt	NOUN
ap-8331	92	21	number	number	NOUN
ap-8331	92	22	of	of	ADP
ap-8331	92	23	the	the	DET
ap-8331	92	24	tooth	tooth	NOUN
ap-8331	92	25	model	model	NOUN
ap-8331	92	26	is	be	AUX
ap-8331	92	27	about	about	ADV
ap-8331	92	28	6	6	NUM
ap-8331	92	29	times	time	NOUN
ap-8331	92	30	larger	large	ADJ
ap-8331	92	31	.	.	PUNCT
ap-8331	93	1	the	the	DET
ap-8331	93	2	lower	low	ADJ
ap-8331	93	3	nusselt	nusselt	NOUN
ap-8331	93	4	number	number	NOUN
ap-8331	93	5	for	for	ADP
ap-8331	93	6	the	the	DET
ap-8331	93	7	plain	plain	ADJ
ap-8331	93	8	model	model	NOUN
ap-8331	93	9	indicates	indicate	VERB
ap-8331	93	10	a	a	DET
ap-8331	93	11	laminar	laminar	ADJ
ap-8331	93	12	flow	flow	NOUN
ap-8331	93	13	with	with	ADP
ap-8331	93	14	the	the	DET
ap-8331	93	15	domination	domination	NOUN
ap-8331	93	16	by	by	ADP
ap-8331	93	17	conduction	conduction	NOUN
ap-8331	93	18	whereas	whereas	SCONJ
ap-8331	93	19	the	the	DET
ap-8331	93	20	higher	high	ADJ
ap-8331	93	21	nusselt	nusselt	NOUN
ap-8331	93	22	number	number	NOUN
ap-8331	93	23	for	for	ADP
ap-8331	93	24	the	the	DET
ap-8331	93	25	tooth	tooth	NOUN
ap-8331	93	26	model	model	NOUN
ap-8331	93	27	indicates	indicate	VERB
ap-8331	93	28	a	a	DET
ap-8331	93	29	transition	transition	NOUN
ap-8331	93	30	zone	zone	NOUN
ap-8331	93	31	in	in	ADP
ap-8331	93	32	the	the	DET
ap-8331	93	33	flow	flow	NOUN
ap-8331	93	34	path	path	NOUN
ap-8331	93	35	due	due	ADP
ap-8331	93	36	to	to	ADP
ap-8331	93	37	the	the	DET
ap-8331	93	38	presence	presence	NOUN
ap-8331	93	39	of	of	ADP
ap-8331	93	40	alternating	alternate	VERB
ap-8331	93	41	teeth	tooth	NOUN
ap-8331	93	42	and	and	CCONJ
ap-8331	93	43	cavities	cavity	NOUN
ap-8331	93	44	.	.	PUNCT
ap-8331	94	1	logarithmic	logarithmic	ADJ
ap-8331	94	2	mean	mean	NOUN
ap-8331	94	3	(	(	PUNCT
ap-8331	94	4	lmtd	lmtd	NOUN
ap-8331	94	5	)	)	PUNCT
ap-8331	94	6	of	of	ADP
ap-8331	94	7	the	the	DET
ap-8331	94	8	temperature	temperature	NOUN
ap-8331	94	9	difference	difference	NOUN
ap-8331	94	10	of	of	ADP
ap-8331	94	11	the	the	DET
ap-8331	94	12	inlet	inlet	NOUN
ap-8331	94	13	and	and	CCONJ
ap-8331	94	14	outlet	outlet	NOUN
ap-8331	94	15	is	be	AUX
ap-8331	94	16	calculated	calculate	VERB
ap-8331	94	17	both	both	CCONJ
ap-8331	94	18	for	for	ADP
ap-8331	94	19	the	the	DET
ap-8331	94	20	cfd	cfd	NOUN
ap-8331	94	21	and	and	CCONJ
ap-8331	94	22	experimental	experimental	ADJ
ap-8331	94	23	values	value	NOUN
ap-8331	94	24	.	.	PUNCT
ap-8331	95	1	the	the	DET
ap-8331	95	2	heat	heat	NOUN
ap-8331	95	3	transferred	transfer	VERB
ap-8331	95	4	based	base	VERB
ap-8331	95	5	on	on	ADP
ap-8331	95	6	the	the	DET
ap-8331	95	7	hot	hot	ADJ
ap-8331	95	8	and	and	CCONJ
ap-8331	95	9	cold	cold	ADJ
ap-8331	95	10	fluids	fluid	NOUN
ap-8331	95	11	is	be	AUX
ap-8331	95	12	calculated	calculate	VERB
ap-8331	95	13	and	and	CCONJ
ap-8331	95	14	the	the	DET
ap-8331	95	15	average	average	ADJ
ap-8331	95	16	heat	heat	NOUN
ap-8331	95	17	transfer	transfer	NOUN
ap-8331	95	18	rate	rate	NOUN
ap-8331	95	19	is	be	AUX
ap-8331	95	20	used	use	VERB
ap-8331	95	21	for	for	ADP
ap-8331	95	22	the	the	DET
ap-8331	95	23	calculation	calculation	NOUN
ap-8331	95	24	of	of	ADP
ap-8331	95	25	the	the	DET
ap-8331	95	26	overall	overall	ADJ
ap-8331	95	27	heat	heat	NOUN
ap-8331	95	28	transfer	transfer	NOUN
ap-8331	95	29	coefficient	coefficient	NOUN
ap-8331	96	1	[	[	X
ap-8331	96	2	6	6	NUM
ap-8331	96	3	,	,	PUNCT
ap-8331	96	4	16	16	NUM
ap-8331	96	5	]	]	PUNCT
ap-8331	96	6	.	.	PUNCT
ap-8331	97	1	the	the	DET
ap-8331	97	2	length	length	NOUN
ap-8331	97	3	of	of	ADP
ap-8331	97	4	the	the	DET
ap-8331	97	5	model	model	NOUN
ap-8331	97	6	is	be	AUX
ap-8331	97	7	kept	keep	VERB
ap-8331	97	8	constant	constant	ADJ
ap-8331	97	9	for	for	ADP
ap-8331	97	10	plain	plain	ADJ
ap-8331	97	11	,	,	PUNCT
ap-8331	97	12	rectangular	rectangular	ADJ
ap-8331	97	13	,	,	PUNCT
ap-8331	97	14	and	and	CCONJ
ap-8331	97	15	triangular	triangular	NOUN
ap-8331	97	16	profiles	profile	NOUN
ap-8331	97	17	.	.	PUNCT
ap-8331	98	1	the	the	DET
ap-8331	98	2	overall	overall	ADJ
ap-8331	98	3	heat	heat	NOUN
ap-8331	98	4	transfer	transfer	NOUN
ap-8331	98	5	coefficient	coefficient	NOUN
ap-8331	98	6	is	be	AUX
ap-8331	98	7	calculated	calculate	VERB
ap-8331	98	8	based	base	VERB
ap-8331	98	9	on	on	ADP
ap-8331	98	10	the	the	DET
ap-8331	98	11	temperature	temperature	NOUN
ap-8331	98	12	data	datum	NOUN
ap-8331	98	13	,	,	PUNCT
ap-8331	98	14	and	and	CCONJ
ap-8331	98	15	flow	flow	NOUN
ap-8331	98	16	rates	rate	NOUN
ap-8331	98	17	based	base	VERB
ap-8331	98	18	on	on	ADP
ap-8331	98	19	the	the	DET
ap-8331	98	20	following	follow	VERB
ap-8331	98	21	equation	equation	NOUN
ap-8331	98	22	[	[	X
ap-8331	98	23	22	22	NUM
ap-8331	98	24	]	]	PUNCT
ap-8331	98	25	.	.	PUNCT
ap-8331	99	1	u	u	NOUN
ap-8331	99	2	=	=	NOUN
ap-8331	99	3	q	q	X
ap-8331	99	4	(	(	PUNCT
ap-8331	99	5	a	a	DET
ap-8331	99	6	·	·	SYM
ap-8331	99	7	lmtd	lmtd	NOUN
ap-8331	99	8	)	)	PUNCT
ap-8331	99	9	(	(	PUNCT
ap-8331	99	10	8)	8)	NUM
ap-8331	99	11	68	68	NUM
ap-8331	99	12	vol	vol	NOUN
ap-8331	99	13	.	.	PUNCT
ap-8331	100	1	63	63	NUM
ap-8331	100	2	no	no	NOUN
ap-8331	100	3	.	.	PUNCT
ap-8331	101	1	1/2023	1/2023	NUM
ap-8331	101	2	heat	heat	NOUN
ap-8331	101	3	transfer	transfer	NOUN
ap-8331	101	4	characteristics	characteristic	NOUN
ap-8331	101	5	of	of	ADP
ap-8331	101	6	double	double	ADJ
ap-8331	101	7	pipe	pipe	NOUN
ap-8331	101	8	heat	heat	NOUN
ap-8331	101	9	exchanger	exchanger	NOUN
ap-8331	101	10	.	.	PUNCT
ap-8331	101	11	.	.	PUNCT
ap-8331	101	12	.	.	PUNCT
ap-8331	102	1	figure	figure	VERB
ap-8331	102	2	9	9	NUM
ap-8331	102	3	.	.	PUNCT
ap-8331	102	4	convergence	convergence	NOUN
ap-8331	102	5	plot	plot	NOUN
ap-8331	102	6	for	for	ADP
ap-8331	102	7	plain	plain	ADJ
ap-8331	102	8	heat	heat	NOUN
ap-8331	102	9	exchanger	exchanger	NOUN
ap-8331	102	10	.	.	PUNCT
ap-8331	103	1	s.no	s.no	NOUN
ap-8331	103	2	.	.	PUNCT
ap-8331	103	3	specifications	specification	NOUN
ap-8331	103	4	dimension	dimension	NOUN
ap-8331	104	1	[	[	X
ap-8331	104	2	mm	mm	X
ap-8331	104	3	]	]	X
ap-8331	104	4	1	1	NUM
ap-8331	104	5	inner	inner	ADJ
ap-8331	104	6	diameter	diameter	NOUN
ap-8331	104	7	of	of	ADP
ap-8331	104	8	the	the	DET
ap-8331	104	9	inner	inner	ADJ
ap-8331	104	10	tube	tube	NOUN
ap-8331	104	11	(	(	PUNCT
ap-8331	104	12	d	d	NOUN
ap-8331	104	13	)	)	PUNCT
ap-8331	104	14	23.5	23.5	NUM
ap-8331	104	15	2	2	NUM
ap-8331	104	16	thickness	thickness	NOUN
ap-8331	104	17	of	of	ADP
ap-8331	104	18	the	the	DET
ap-8331	104	19	inner	inner	ADJ
ap-8331	104	20	tube	tube	NOUN
ap-8331	104	21	(	(	PUNCT
ap-8331	104	22	ti	ti	NOUN
ap-8331	104	23	)	)	PUNCT
ap-8331	104	24	4	4	NUM
ap-8331	104	25	3	3	NUM
ap-8331	104	26	inner	inner	ADJ
ap-8331	104	27	diameter	diameter	NOUN
ap-8331	104	28	of	of	ADP
ap-8331	104	29	the	the	DET
ap-8331	104	30	outer	outer	ADJ
ap-8331	104	31	tube	tube	NOUN
ap-8331	104	32	(	(	PUNCT
ap-8331	104	33	d	d	NOUN
ap-8331	104	34	)	)	PUNCT
ap-8331	104	35	33.5	33.5	NUM
ap-8331	104	36	4	4	NUM
ap-8331	104	37	thickness	thickness	NOUN
ap-8331	104	38	of	of	ADP
ap-8331	104	39	the	the	DET
ap-8331	104	40	outer	outer	ADJ
ap-8331	104	41	tube	tube	NOUN
ap-8331	104	42	(	(	PUNCT
ap-8331	104	43	to	to	PART
ap-8331	104	44	)	)	PUNCT
ap-8331	104	45	2	2	NUM
ap-8331	104	46	5	5	NUM
ap-8331	104	47	length	length	NOUN
ap-8331	104	48	of	of	ADP
ap-8331	104	49	the	the	DET
ap-8331	104	50	heat	heat	NOUN
ap-8331	104	51	exchanger	exchanger	NOUN
ap-8331	104	52	(	(	PUNCT
ap-8331	104	53	l	l	NOUN
ap-8331	104	54	)	)	PUNCT
ap-8331	104	55	160	160	NUM
ap-8331	104	56	table	table	NOUN
ap-8331	104	57	2	2	NUM
ap-8331	104	58	.	.	PUNCT
ap-8331	105	1	dimensions	dimension	NOUN
ap-8331	105	2	of	of	ADP
ap-8331	105	3	the	the	DET
ap-8331	105	4	heat	heat	NOUN
ap-8331	105	5	exchanger	exchanger	NOUN
ap-8331	105	6	tubes	tube	NOUN
ap-8331	105	7	.	.	PUNCT
ap-8331	106	1	lmtd	lmtd	NOUN
ap-8331	106	2	=	=	PUNCT
ap-8331	107	1	(	(	PUNCT
ap-8331	107	2	∆t2	∆t2	VERB
ap-8331	107	3	−	−	PROPN
ap-8331	107	4	∆t1	∆t1	NOUN
ap-8331	107	5	)	)	PUNCT
ap-8331	107	6	ln	ln	NOUN
ap-8331	108	1	(	(	PUNCT
ap-8331	108	2	∆t2	∆t2	PROPN
ap-8331	108	3	∆t1	∆t1	NOUN
ap-8331	108	4	)	)	PUNCT
ap-8331	109	1	(	(	PUNCT
ap-8331	109	2	9	9	X
ap-8331	109	3	)	)	SYM
ap-8331	109	4	4	4	NUM
ap-8331	109	5	.	.	PUNCT
ap-8331	109	6	experiment	experiment	NOUN
ap-8331	109	7	details	detail	NOUN
ap-8331	109	8	experiments	experiment	NOUN
ap-8331	109	9	are	be	AUX
ap-8331	109	10	conducted	conduct	VERB
ap-8331	109	11	for	for	ADP
ap-8331	109	12	the	the	DET
ap-8331	109	13	parallel	parallel	ADJ
ap-8331	109	14	flow	flow	NOUN
ap-8331	109	15	arrangement	arrangement	NOUN
ap-8331	109	16	maintaining	maintain	VERB
ap-8331	109	17	the	the	DET
ap-8331	109	18	mass	mass	NOUN
ap-8331	109	19	flow	flow	NOUN
ap-8331	109	20	rate	rate	NOUN
ap-8331	109	21	of	of	ADP
ap-8331	109	22	hot	hot	ADJ
ap-8331	109	23	water	water	NOUN
ap-8331	109	24	at	at	ADP
ap-8331	109	25	0.4	0.4	NUM
ap-8331	109	26	kg	kg	NOUN
ap-8331	109	27	s−1	s−1	PROPN
ap-8331	109	28	in	in	ADP
ap-8331	109	29	the	the	DET
ap-8331	109	30	annular	annular	ADJ
ap-8331	109	31	region	region	NOUN
ap-8331	109	32	and	and	CCONJ
ap-8331	109	33	the	the	DET
ap-8331	109	34	mass	mass	NOUN
ap-8331	109	35	flow	flow	NOUN
ap-8331	109	36	rate	rate	NOUN
ap-8331	109	37	of	of	ADP
ap-8331	109	38	cold	cold	ADJ
ap-8331	109	39	water	water	NOUN
ap-8331	109	40	at	at	ADP
ap-8331	109	41	0.8	0.8	NUM
ap-8331	109	42	kg	kg	NOUN
ap-8331	109	43	s−1	s−1	PROPN
ap-8331	109	44	in	in	ADP
ap-8331	109	45	the	the	DET
ap-8331	109	46	inner	inner	ADJ
ap-8331	109	47	pipe	pipe	NOUN
ap-8331	109	48	.	.	PUNCT
ap-8331	110	1	this	this	PRON
ap-8331	110	2	corresponds	correspond	VERB
ap-8331	110	3	to	to	ADP
ap-8331	110	4	a	a	DET
ap-8331	110	5	reynolds	reynold	NOUN
ap-8331	110	6	number	number	NOUN
ap-8331	110	7	of	of	ADP
ap-8331	110	8	20	20	NUM
ap-8331	110	9	000	000	NUM
ap-8331	110	10	and	and	CCONJ
ap-8331	110	11	43	43	NUM
ap-8331	110	12	000	000	NUM
ap-8331	110	13	,	,	PUNCT
ap-8331	110	14	respectively	respectively	ADV
ap-8331	110	15	,	,	PUNCT
ap-8331	110	16	when	when	SCONJ
ap-8331	110	17	calculated	calculate	VERB
ap-8331	110	18	based	base	VERB
ap-8331	110	19	on	on	ADP
ap-8331	110	20	the	the	DET
ap-8331	110	21	inlet	inlet	ADJ
ap-8331	110	22	velocity	velocity	NOUN
ap-8331	110	23	and	and	CCONJ
ap-8331	110	24	the	the	DET
ap-8331	110	25	tube	tube	NOUN
ap-8331	110	26	diameter	diameter	NOUN
ap-8331	111	1	[	[	X
ap-8331	111	2	1	1	NUM
ap-8331	111	3	]	]	PUNCT
ap-8331	111	4	.	.	PUNCT
ap-8331	112	1	the	the	DET
ap-8331	112	2	experiment	experiment	NOUN
ap-8331	112	3	setup	setup	NOUN
ap-8331	112	4	consists	consist	VERB
ap-8331	112	5	of	of	ADP
ap-8331	112	6	an	an	DET
ap-8331	112	7	inner	inner	ADJ
ap-8331	112	8	tube	tube	NOUN
ap-8331	112	9	made	make	VERB
ap-8331	112	10	of	of	ADP
ap-8331	112	11	copper	copper	NOUN
ap-8331	112	12	where	where	SCONJ
ap-8331	112	13	cold	cold	ADJ
ap-8331	112	14	water	water	NOUN
ap-8331	112	15	is	be	AUX
ap-8331	112	16	pumped	pump	VERB
ap-8331	112	17	from	from	ADP
ap-8331	112	18	a	a	DET
ap-8331	112	19	storage	storage	NOUN
ap-8331	112	20	tank	tank	NOUN
ap-8331	112	21	.	.	PUNCT
ap-8331	113	1	the	the	DET
ap-8331	113	2	outer	outer	ADJ
ap-8331	113	3	tube	tube	NOUN
ap-8331	113	4	is	be	AUX
ap-8331	113	5	made	make	VERB
ap-8331	113	6	of	of	ADP
ap-8331	113	7	galvanized	galvanized	ADJ
ap-8331	113	8	iron	iron	NOUN
ap-8331	113	9	(	(	PUNCT
ap-8331	113	10	gi	gi	NOUN
ap-8331	113	11	)	)	PUNCT
ap-8331	113	12	which	which	PRON
ap-8331	113	13	has	have	VERB
ap-8331	113	14	provision	provision	NOUN
ap-8331	113	15	for	for	ADP
ap-8331	113	16	hot	hot	ADJ
ap-8331	113	17	water	water	NOUN
ap-8331	113	18	entry	entry	NOUN
ap-8331	113	19	and	and	CCONJ
ap-8331	113	20	exit	exit	NOUN
ap-8331	113	21	.	.	PUNCT
ap-8331	114	1	the	the	DET
ap-8331	114	2	hot	hot	ADJ
ap-8331	114	3	water	water	NOUN
ap-8331	114	4	flows	flow	VERB
ap-8331	114	5	through	through	ADP
ap-8331	114	6	the	the	DET
ap-8331	114	7	narrow	narrow	ADJ
ap-8331	114	8	annular	annular	ADJ
ap-8331	114	9	gap	gap	NOUN
ap-8331	114	10	between	between	ADP
ap-8331	114	11	the	the	DET
ap-8331	114	12	inner	inner	ADJ
ap-8331	114	13	copper	copper	NOUN
ap-8331	114	14	pipe	pipe	NOUN
ap-8331	114	15	and	and	CCONJ
ap-8331	114	16	the	the	DET
ap-8331	114	17	outer	outer	ADJ
ap-8331	114	18	gi	gi	NOUN
ap-8331	114	19	pipe	pipe	NOUN
ap-8331	114	20	.	.	PUNCT
ap-8331	115	1	the	the	DET
ap-8331	115	2	dimensions	dimension	NOUN
ap-8331	115	3	of	of	ADP
ap-8331	115	4	the	the	DET
ap-8331	115	5	heat	heat	NOUN
ap-8331	115	6	exchanger	exchanger	NOUN
ap-8331	115	7	tubes	tube	NOUN
ap-8331	115	8	are	be	AUX
ap-8331	115	9	stated	state	VERB
ap-8331	115	10	in	in	ADP
ap-8331	115	11	table	table	NOUN
ap-8331	115	12	2	2	NUM
ap-8331	115	13	.	.	PUNCT
ap-8331	116	1	temperatures	temperature	NOUN
ap-8331	116	2	are	be	AUX
ap-8331	116	3	measured	measure	VERB
ap-8331	116	4	at	at	ADP
ap-8331	116	5	the	the	DET
ap-8331	116	6	entry	entry	NOUN
ap-8331	116	7	and	and	CCONJ
ap-8331	116	8	exit	exit	NOUN
ap-8331	116	9	points	point	NOUN
ap-8331	116	10	of	of	ADP
ap-8331	116	11	hot	hot	ADJ
ap-8331	116	12	and	and	CCONJ
ap-8331	116	13	cold	cold	ADJ
ap-8331	116	14	fluids	fluid	NOUN
ap-8331	116	15	with	with	ADP
ap-8331	116	16	the	the	DET
ap-8331	116	17	help	help	NOUN
ap-8331	116	18	of	of	ADP
ap-8331	116	19	sensors	sensor	NOUN
ap-8331	116	20	and	and	CCONJ
ap-8331	116	21	their	their	PRON
ap-8331	116	22	output	output	NOUN
ap-8331	116	23	signals	signal	NOUN
ap-8331	116	24	are	be	AUX
ap-8331	116	25	fed	feed	VERB
ap-8331	116	26	to	to	ADP
ap-8331	116	27	the	the	DET
ap-8331	116	28	system	system	NOUN
ap-8331	116	29	through	through	ADP
ap-8331	116	30	arduino	arduino	NOUN
ap-8331	116	31	.	.	PUNCT
ap-8331	117	1	the	the	DET
ap-8331	117	2	flow	flow	NOUN
ap-8331	117	3	rates	rate	NOUN
ap-8331	117	4	of	of	ADP
ap-8331	117	5	the	the	DET
ap-8331	117	6	hot	hot	ADJ
ap-8331	117	7	and	and	CCONJ
ap-8331	117	8	cold	cold	ADJ
ap-8331	117	9	fluids	fluid	NOUN
ap-8331	117	10	are	be	AUX
ap-8331	117	11	measured	measure	VERB
ap-8331	117	12	by	by	ADP
ap-8331	117	13	water	water	NOUN
ap-8331	117	14	flow	flow	NOUN
ap-8331	117	15	sensors	sensor	NOUN
ap-8331	117	16	and	and	CCONJ
ap-8331	117	17	their	their	PRON
ap-8331	117	18	output	output	NOUN
ap-8331	117	19	signals	signal	NOUN
ap-8331	117	20	are	be	AUX
ap-8331	117	21	also	also	ADV
ap-8331	117	22	logged	log	VERB
ap-8331	117	23	by	by	ADP
ap-8331	117	24	arduino	arduino	NOUN
ap-8331	117	25	codes	code	NOUN
ap-8331	117	26	.	.	PUNCT
ap-8331	118	1	the	the	DET
ap-8331	118	2	inlet	inlet	ADJ
ap-8331	118	3	temperature	temperature	NOUN
ap-8331	118	4	of	of	ADP
ap-8331	118	5	the	the	DET
ap-8331	118	6	hot	hot	ADJ
ap-8331	118	7	fluid	fluid	NOUN
ap-8331	118	8	is	be	AUX
ap-8331	118	9	maintained	maintain	VERB
ap-8331	118	10	at	at	ADP
ap-8331	118	11	350k	350k	NUM
ap-8331	118	12	and	and	CCONJ
ap-8331	118	13	the	the	DET
ap-8331	118	14	inlet	inlet	ADJ
ap-8331	118	15	temperature	temperature	NOUN
ap-8331	118	16	of	of	ADP
ap-8331	118	17	the	the	DET
ap-8331	118	18	cold	cold	ADJ
ap-8331	118	19	fluid	fluid	NOUN
ap-8331	118	20	is	be	AUX
ap-8331	118	21	maintained	maintain	VERB
ap-8331	118	22	at	at	ADP
ap-8331	118	23	295k	295k	PROPN
ap-8331	118	24	.	.	PUNCT
ap-8331	119	1	the	the	DET
ap-8331	119	2	final	final	ADJ
ap-8331	119	3	assembly	assembly	NOUN
ap-8331	119	4	of	of	ADP
ap-8331	119	5	the	the	DET
ap-8331	119	6	double	double	ADJ
ap-8331	119	7	pipe	pipe	NOUN
ap-8331	119	8	heat	heat	NOUN
ap-8331	119	9	exchanger	exchanger	NOUN
ap-8331	119	10	is	be	AUX
ap-8331	119	11	shown	show	VERB
ap-8331	119	12	in	in	ADP
ap-8331	119	13	figure	figure	NOUN
ap-8331	119	14	10	10	NUM
ap-8331	119	15	.	.	PUNCT
ap-8331	120	1	figure	figure	NOUN
ap-8331	120	2	10	10	NUM
ap-8331	120	3	.	.	PUNCT
ap-8331	121	1	assembly	assembly	NOUN
ap-8331	121	2	of	of	ADP
ap-8331	121	3	the	the	DET
ap-8331	121	4	inner	inner	ADJ
ap-8331	121	5	and	and	CCONJ
ap-8331	121	6	outer	outer	ADJ
ap-8331	121	7	pipe	pipe	NOUN
ap-8331	121	8	.	.	PUNCT
ap-8331	122	1	applications	application	NOUN
ap-8331	122	2	with	with	ADP
ap-8331	122	3	low	low	ADJ
ap-8331	122	4	mass	mass	NOUN
ap-8331	122	5	flow	flow	NOUN
ap-8331	122	6	rates	rate	NOUN
ap-8331	122	7	give	give	VERB
ap-8331	122	8	rise	rise	NOUN
ap-8331	122	9	to	to	ADP
ap-8331	122	10	a	a	DET
ap-8331	122	11	mixed	mixed	ADJ
ap-8331	122	12	condition	condition	NOUN
ap-8331	122	13	in	in	ADP
ap-8331	122	14	which	which	PRON
ap-8331	122	15	the	the	DET
ap-8331	122	16	effect	effect	NOUN
ap-8331	122	17	of	of	ADP
ap-8331	122	18	forced	force	VERB
ap-8331	122	19	convection	convection	NOUN
ap-8331	122	20	and	and	CCONJ
ap-8331	122	21	free	free	ADJ
ap-8331	122	22	convection	convection	NOUN
ap-8331	122	23	are	be	AUX
ap-8331	122	24	of	of	ADP
ap-8331	122	25	an	an	DET
ap-8331	122	26	equal	equal	ADJ
ap-8331	122	27	importance	importance	NOUN
ap-8331	122	28	[	[	X
ap-8331	122	29	23	23	NUM
ap-8331	122	30	]	]	PUNCT
ap-8331	122	31	.	.	PUNCT
ap-8331	123	1	the	the	DET
ap-8331	123	2	flow	flow	NOUN
ap-8331	123	3	rate	rate	NOUN
ap-8331	123	4	in	in	ADP
ap-8331	123	5	the	the	DET
ap-8331	123	6	annular	annular	ADJ
ap-8331	123	7	region	region	NOUN
ap-8331	123	8	is	be	AUX
ap-8331	123	9	kept	keep	VERB
ap-8331	123	10	small	small	ADJ
ap-8331	123	11	in	in	ADP
ap-8331	123	12	order	order	NOUN
ap-8331	123	13	to	to	PART
ap-8331	123	14	initiate	initiate	VERB
ap-8331	123	15	the	the	DET
ap-8331	123	16	mixed	mixed	ADJ
ap-8331	123	17	convection	convection	NOUN
ap-8331	123	18	to	to	PART
ap-8331	123	19	achieve	achieve	VERB
ap-8331	123	20	a	a	DET
ap-8331	123	21	better	well	ADJ
ap-8331	123	22	heat	heat	NOUN
ap-8331	123	23	transfer	transfer	NOUN
ap-8331	123	24	.	.	PUNCT
ap-8331	124	1	as	as	SCONJ
ap-8331	124	2	the	the	DET
ap-8331	124	3	rectangular	rectangular	ADJ
ap-8331	124	4	cavities	cavity	NOUN
ap-8331	124	5	show	show	VERB
ap-8331	124	6	a	a	DET
ap-8331	124	7	better	well	ADJ
ap-8331	124	8	performance	performance	NOUN
ap-8331	124	9	in	in	ADP
ap-8331	124	10	the	the	DET
ap-8331	124	11	numerical	numerical	ADJ
ap-8331	124	12	analysis	analysis	NOUN
ap-8331	124	13	,	,	PUNCT
ap-8331	124	14	the	the	DET
ap-8331	124	15	annular	annular	ADJ
ap-8331	124	16	flow	flow	NOUN
ap-8331	124	17	path	path	NOUN
ap-8331	124	18	in	in	ADP
ap-8331	124	19	the	the	DET
ap-8331	124	20	heat	heat	NOUN
ap-8331	124	21	exchanger	exchanger	NOUN
ap-8331	124	22	is	be	AUX
ap-8331	124	23	modified	modify	VERB
ap-8331	124	24	by	by	ADP
ap-8331	124	25	machining	machine	VERB
ap-8331	124	26	rectangular	rectangular	ADJ
ap-8331	124	27	grooves	groove	NOUN
ap-8331	124	28	in	in	ADP
ap-8331	124	29	the	the	DET
ap-8331	124	30	inner	inner	ADJ
ap-8331	124	31	copper	copper	NOUN
ap-8331	124	32	tube	tube	NOUN
ap-8331	124	33	to	to	PART
ap-8331	124	34	investigate	investigate	VERB
ap-8331	124	35	the	the	DET
ap-8331	124	36	improvement	improvement	NOUN
ap-8331	124	37	in	in	ADP
ap-8331	124	38	the	the	DET
ap-8331	124	39	heat	heat	NOUN
ap-8331	124	40	transfer	transfer	NOUN
ap-8331	124	41	coefficient	coefficient	NOUN
ap-8331	125	1	[	[	X
ap-8331	125	2	6	6	NUM
ap-8331	125	3	]	]	PUNCT
ap-8331	125	4	.	.	PUNCT
ap-8331	126	1	the	the	DET
ap-8331	126	2	outer	outer	ADJ
ap-8331	126	3	surface	surface	NOUN
ap-8331	126	4	of	of	ADP
ap-8331	126	5	the	the	DET
ap-8331	126	6	inner	inner	ADJ
ap-8331	126	7	tube	tube	NOUN
ap-8331	126	8	becomes	become	VERB
ap-8331	126	9	geometrically	geometrically	ADV
ap-8331	126	10	unique	unique	ADJ
ap-8331	126	11	with	with	ADP
ap-8331	126	12	alternating	alternate	VERB
ap-8331	126	13	ridges	ridge	NOUN
ap-8331	126	14	and	and	CCONJ
ap-8331	126	15	grooves	groove	NOUN
ap-8331	126	16	.	.	PUNCT
ap-8331	127	1	the	the	DET
ap-8331	127	2	experiments	experiment	NOUN
ap-8331	127	3	are	be	AUX
ap-8331	127	4	repeated	repeat	VERB
ap-8331	127	5	with	with	ADP
ap-8331	127	6	the	the	DET
ap-8331	127	7	same	same	ADJ
ap-8331	127	8	conditions	condition	NOUN
ap-8331	127	9	for	for	ADP
ap-8331	127	10	the	the	DET
ap-8331	127	11	plain	plain	ADJ
ap-8331	127	12	profile	profile	NOUN
ap-8331	127	13	and	and	CCONJ
ap-8331	127	14	the	the	DET
ap-8331	127	15	rectangular	rectangular	ADJ
ap-8331	127	16	cavity	cavity	NOUN
ap-8331	127	17	profile	profile	NOUN
ap-8331	127	18	,	,	PUNCT
ap-8331	127	19	which	which	PRON
ap-8331	127	20	are	be	AUX
ap-8331	127	21	shown	show	VERB
ap-8331	127	22	in	in	ADP
ap-8331	127	23	figure	figure	NOUN
ap-8331	127	24	11	11	NUM
ap-8331	127	25	and	and	CCONJ
ap-8331	127	26	figure	figure	NOUN
ap-8331	127	27	12	12	NUM
ap-8331	127	28	,	,	PUNCT
ap-8331	127	29	respectively	respectively	ADV
ap-8331	127	30	.	.	PUNCT
ap-8331	128	1	69	69	NUM
ap-8331	128	2	b.	b.	PROPN
ap-8331	128	3	vijayaragavan	vijayaragavan	NOUN
ap-8331	128	4	,	,	PUNCT
ap-8331	128	5	s.	s.	PROPN
ap-8331	128	6	p.	p.	PROPN
ap-8331	128	7	asok	asok	PROPN
ap-8331	128	8	,	,	PUNCT
ap-8331	128	9	c.	c.	PROPN
ap-8331	128	10	r.	r.	PROPN
ap-8331	128	11	shakthi	shakthi	PROPN
ap-8331	128	12	ganesh	ganesh	PROPN
ap-8331	128	13	acta	acta	PROPN
ap-8331	128	14	polytechnica	polytechnica	PROPN
ap-8331	128	15	figure	figure	NOUN
ap-8331	128	16	11	11	NUM
ap-8331	128	17	.	.	PUNCT
ap-8331	129	1	outer	outer	ADJ
ap-8331	129	2	surface	surface	NOUN
ap-8331	129	3	of	of	ADP
ap-8331	129	4	the	the	DET
ap-8331	129	5	inner	inner	ADJ
ap-8331	129	6	pipe	pipe	NOUN
ap-8331	129	7	with	with	ADP
ap-8331	129	8	plain	plain	ADJ
ap-8331	129	9	profile	profile	NOUN
ap-8331	129	10	.	.	PUNCT
ap-8331	130	1	figure	figure	NOUN
ap-8331	130	2	12	12	NUM
ap-8331	130	3	.	.	PUNCT
ap-8331	131	1	outer	outer	ADJ
ap-8331	131	2	surface	surface	NOUN
ap-8331	131	3	of	of	ADP
ap-8331	131	4	the	the	DET
ap-8331	131	5	inner	inner	ADJ
ap-8331	131	6	pipe	pipe	NOUN
ap-8331	131	7	with	with	ADP
ap-8331	131	8	rectangular	rectangular	ADJ
ap-8331	131	9	profile	profile	NOUN
ap-8331	131	10	.	.	PUNCT
ap-8331	132	1	5	5	X
ap-8331	132	2	.	.	X
ap-8331	132	3	results	result	NOUN
ap-8331	132	4	and	and	CCONJ
ap-8331	132	5	discussion	discussion	VERB
ap-8331	132	6	the	the	DET
ap-8331	132	7	heat	heat	NOUN
ap-8331	132	8	exchanger	exchanger	NOUN
ap-8331	132	9	performance	performance	NOUN
ap-8331	132	10	can	can	AUX
ap-8331	132	11	be	be	AUX
ap-8331	132	12	improved	improve	VERB
ap-8331	132	13	by	by	ADP
ap-8331	132	14	making	make	VERB
ap-8331	132	15	the	the	DET
ap-8331	132	16	surface	surface	NOUN
ap-8331	132	17	area	area	NOUN
ap-8331	132	18	larger	large	ADJ
ap-8331	132	19	,	,	PUNCT
ap-8331	132	20	which	which	PRON
ap-8331	132	21	is	be	AUX
ap-8331	132	22	possible	possible	ADJ
ap-8331	132	23	by	by	ADP
ap-8331	132	24	increasing	increase	VERB
ap-8331	132	25	the	the	DET
ap-8331	132	26	diameter	diameter	NOUN
ap-8331	132	27	or	or	CCONJ
ap-8331	132	28	the	the	DET
ap-8331	132	29	length	length	NOUN
ap-8331	132	30	of	of	ADP
ap-8331	132	31	the	the	DET
ap-8331	132	32	heat	heat	NOUN
ap-8331	132	33	exchanger	exchanger	NOUN
ap-8331	132	34	.	.	PUNCT
ap-8331	133	1	in	in	ADP
ap-8331	133	2	this	this	DET
ap-8331	133	3	work	work	NOUN
ap-8331	133	4	,	,	PUNCT
ap-8331	133	5	the	the	DET
ap-8331	133	6	heat	heat	NOUN
ap-8331	133	7	exchanger	exchanger	NOUN
ap-8331	133	8	length	length	NOUN
ap-8331	133	9	is	be	AUX
ap-8331	133	10	increased	increase	VERB
ap-8331	133	11	and	and	CCONJ
ap-8331	133	12	the	the	DET
ap-8331	133	13	effect	effect	NOUN
ap-8331	133	14	on	on	ADP
ap-8331	133	15	heat	heat	NOUN
ap-8331	133	16	transfer	transfer	NOUN
ap-8331	133	17	characteristics	characteristic	NOUN
ap-8331	133	18	is	be	AUX
ap-8331	133	19	analysed	analyse	VERB
ap-8331	133	20	.	.	PUNCT
ap-8331	134	1	the	the	DET
ap-8331	134	2	initial	initial	ADJ
ap-8331	134	3	condition	condition	NOUN
ap-8331	134	4	considered	consider	VERB
ap-8331	134	5	is	be	AUX
ap-8331	134	6	the	the	DET
ap-8331	134	7	hot	hot	ADJ
ap-8331	134	8	fluid	fluid	NOUN
ap-8331	134	9	in	in	ADP
ap-8331	134	10	the	the	DET
ap-8331	134	11	annulus	annulus	NOUN
ap-8331	134	12	at	at	ADP
ap-8331	134	13	0.4	0.4	NUM
ap-8331	134	14	kg	kg	NOUN
ap-8331	134	15	s−1	s−1	PROPN
ap-8331	134	16	and	and	CCONJ
ap-8331	134	17	cold	cold	ADJ
ap-8331	134	18	fluid	fluid	NOUN
ap-8331	134	19	in	in	ADP
ap-8331	134	20	the	the	DET
ap-8331	134	21	inner	inner	ADJ
ap-8331	134	22	pipe	pipe	NOUN
ap-8331	134	23	at	at	ADP
ap-8331	134	24	0.8	0.8	NUM
ap-8331	134	25	kg	kg	NUM
ap-8331	134	26	s−1	s−1	PROPN
ap-8331	134	27	.	.	PUNCT
ap-8331	135	1	at	at	ADP
ap-8331	135	2	the	the	DET
ap-8331	135	3	reduced	reduced	ADJ
ap-8331	135	4	length	length	NOUN
ap-8331	135	5	of	of	ADP
ap-8331	135	6	0.16	0.16	NUM
ap-8331	135	7	m	m	NOUN
ap-8331	135	8	,	,	PUNCT
ap-8331	135	9	the	the	DET
ap-8331	135	10	temperature	temperature	NOUN
ap-8331	135	11	drop	drop	NOUN
ap-8331	135	12	of	of	ADP
ap-8331	135	13	the	the	DET
ap-8331	135	14	hot	hot	ADJ
ap-8331	135	15	fluid	fluid	NOUN
ap-8331	135	16	is	be	AUX
ap-8331	135	17	equal	equal	ADJ
ap-8331	135	18	to	to	ADP
ap-8331	135	19	the	the	DET
ap-8331	135	20	temperature	temperature	NOUN
ap-8331	135	21	rise	rise	NOUN
ap-8331	135	22	of	of	ADP
ap-8331	135	23	the	the	DET
ap-8331	135	24	cold	cold	ADJ
ap-8331	135	25	fluid	fluid	NOUN
ap-8331	135	26	(	(	PUNCT
ap-8331	135	27	figure	figure	NOUN
ap-8331	135	28	13	13	NUM
ap-8331	135	29	)	)	PUNCT
ap-8331	135	30	.	.	PUNCT
ap-8331	136	1	the	the	DET
ap-8331	136	2	length	length	NOUN
ap-8331	136	3	is	be	AUX
ap-8331	136	4	increased	increase	VERB
ap-8331	136	5	to	to	ADP
ap-8331	136	6	0.5	0.5	NUM
ap-8331	136	7	m	m	NOUN
ap-8331	136	8	and	and	CCONJ
ap-8331	136	9	then	then	ADV
ap-8331	136	10	to	to	ADP
ap-8331	136	11	1.5	1.5	NUM
ap-8331	136	12	m.	m.	NOUN
ap-8331	136	13	when	when	SCONJ
ap-8331	136	14	the	the	DET
ap-8331	136	15	length	length	NOUN
ap-8331	136	16	of	of	ADP
ap-8331	136	17	the	the	DET
ap-8331	136	18	heat	heat	NOUN
ap-8331	136	19	exchanger	exchanger	NOUN
ap-8331	136	20	increases	increase	NOUN
ap-8331	136	21	,	,	PUNCT
ap-8331	136	22	the	the	DET
ap-8331	136	23	temperature	temperature	NOUN
ap-8331	136	24	drop	drop	NOUN
ap-8331	136	25	of	of	ADP
ap-8331	136	26	the	the	DET
ap-8331	136	27	hot	hot	ADJ
ap-8331	136	28	fluid	fluid	NOUN
ap-8331	136	29	is	be	AUX
ap-8331	136	30	higher	high	ADJ
ap-8331	136	31	than	than	ADP
ap-8331	136	32	the	the	DET
ap-8331	136	33	temperature	temperature	NOUN
ap-8331	136	34	rise	rise	NOUN
ap-8331	136	35	of	of	ADP
ap-8331	136	36	the	the	DET
ap-8331	136	37	cold	cold	ADJ
ap-8331	136	38	fluid	fluid	NOUN
ap-8331	136	39	though	though	SCONJ
ap-8331	136	40	the	the	DET
ap-8331	136	41	flow	flow	NOUN
ap-8331	136	42	rate	rate	NOUN
ap-8331	136	43	of	of	ADP
ap-8331	136	44	the	the	DET
ap-8331	136	45	cold	cold	ADJ
ap-8331	136	46	fluid	fluid	NOUN
ap-8331	136	47	is	be	AUX
ap-8331	136	48	higher	high	ADJ
ap-8331	136	49	.	.	PUNCT
ap-8331	137	1	the	the	DET
ap-8331	137	2	annular	annular	ADJ
ap-8331	137	3	fluid	fluid	NOUN
ap-8331	137	4	is	be	AUX
ap-8331	137	5	now	now	ADV
ap-8331	137	6	changed	change	VERB
ap-8331	137	7	to	to	PART
ap-8331	137	8	cold	cold	VERB
ap-8331	137	9	at	at	ADP
ap-8331	137	10	0.8	0.8	NUM
ap-8331	137	11	kg	kg	NOUN
ap-8331	137	12	s−1	s−1	PROPN
ap-8331	137	13	flow	flow	NOUN
ap-8331	137	14	rate	rate	NOUN
ap-8331	137	15	and	and	CCONJ
ap-8331	137	16	pipe	pipe	NOUN
ap-8331	137	17	fluid	fluid	NOUN
ap-8331	137	18	to	to	PART
ap-8331	137	19	hot	hot	ADJ
ap-8331	137	20	at	at	ADP
ap-8331	137	21	0.4	0.4	NUM
ap-8331	137	22	kg	kg	NOUN
ap-8331	137	23	s−1	s−1	PROPN
ap-8331	137	24	(	(	PUNCT
ap-8331	137	25	figure	figure	NOUN
ap-8331	137	26	14	14	NUM
ap-8331	137	27	)	)	PUNCT
ap-8331	137	28	.	.	PUNCT
ap-8331	138	1	even	even	ADV
ap-8331	138	2	now	now	ADV
ap-8331	138	3	,	,	PUNCT
ap-8331	138	4	the	the	DET
ap-8331	138	5	temperature	temperature	NOUN
ap-8331	138	6	drop	drop	NOUN
ap-8331	138	7	of	of	ADP
ap-8331	138	8	the	the	DET
ap-8331	138	9	hot	hot	ADJ
ap-8331	138	10	fluid	fluid	NOUN
ap-8331	138	11	is	be	AUX
ap-8331	138	12	higher	high	ADJ
ap-8331	138	13	than	than	ADP
ap-8331	138	14	the	the	DET
ap-8331	138	15	temperature	temperature	NOUN
ap-8331	138	16	rise	rise	NOUN
ap-8331	138	17	of	of	ADP
ap-8331	138	18	the	the	DET
ap-8331	138	19	cold	cold	ADJ
ap-8331	138	20	fluid	fluid	NOUN
ap-8331	138	21	,	,	PUNCT
ap-8331	138	22	and	and	CCONJ
ap-8331	138	23	the	the	DET
ap-8331	138	24	difference	difference	NOUN
ap-8331	138	25	further	further	ADJ
ap-8331	138	26	increases	increase	NOUN
ap-8331	138	27	with	with	ADP
ap-8331	138	28	increased	increase	VERB
ap-8331	138	29	length	length	NOUN
ap-8331	138	30	.	.	PUNCT
ap-8331	139	1	when	when	SCONJ
ap-8331	139	2	the	the	DET
ap-8331	139	3	flow	flow	NOUN
ap-8331	139	4	rate	rate	NOUN
ap-8331	139	5	of	of	ADP
ap-8331	139	6	the	the	DET
ap-8331	139	7	hot	hot	ADJ
ap-8331	139	8	and	and	CCONJ
ap-8331	139	9	cold	cold	ADJ
ap-8331	139	10	fluids	fluid	NOUN
ap-8331	139	11	is	be	AUX
ap-8331	139	12	interchanged	interchange	VERB
ap-8331	139	13	,	,	PUNCT
ap-8331	139	14	the	the	DET
ap-8331	139	15	temperature	temperature	NOUN
ap-8331	139	16	rise	rise	NOUN
ap-8331	139	17	of	of	ADP
ap-8331	139	18	the	the	DET
ap-8331	139	19	cold	cold	ADJ
ap-8331	139	20	fluid	fluid	NOUN
ap-8331	139	21	is	be	AUX
ap-8331	139	22	higher	high	ADJ
ap-8331	139	23	than	than	ADP
ap-8331	139	24	the	the	DET
ap-8331	139	25	temperature	temperature	NOUN
ap-8331	139	26	drop	drop	NOUN
ap-8331	139	27	of	of	ADP
ap-8331	139	28	the	the	DET
ap-8331	139	29	hot	hot	ADJ
ap-8331	139	30	fluid	fluid	NOUN
ap-8331	139	31	(	(	PUNCT
ap-8331	139	32	figure	figure	NOUN
ap-8331	139	33	15	15	NUM
ap-8331	139	34	)	)	PUNCT
ap-8331	139	35	.	.	PUNCT
ap-8331	140	1	the	the	DET
ap-8331	140	2	above	above	ADJ
ap-8331	140	3	results	result	NOUN
ap-8331	140	4	confirm	confirm	VERB
ap-8331	140	5	that	that	SCONJ
ap-8331	140	6	the	the	DET
ap-8331	140	7	heat	heat	NOUN
ap-8331	140	8	exchange	exchange	NOUN
ap-8331	140	9	by	by	ADP
ap-8331	140	10	the	the	DET
ap-8331	140	11	annular	annular	ADJ
ap-8331	140	12	fluid	fluid	NOUN
ap-8331	140	13	is	be	AUX
ap-8331	140	14	higher	high	ADJ
ap-8331	140	15	when	when	SCONJ
ap-8331	140	16	the	the	DET
ap-8331	140	17	annular	annular	ADJ
ap-8331	140	18	flow	flow	NOUN
ap-8331	140	19	area	area	NOUN
ap-8331	140	20	is	be	AUX
ap-8331	140	21	reduced	reduce	VERB
ap-8331	140	22	in	in	ADP
ap-8331	140	23	the	the	DET
ap-8331	140	24	manifold	manifold	NOUN
ap-8331	140	25	as	as	ADP
ap-8331	140	26	compared	compare	VERB
ap-8331	140	27	to	to	ADP
ap-8331	140	28	the	the	DET
ap-8331	140	29	inner	inner	ADJ
ap-8331	140	30	pipe	pipe	NOUN
ap-8331	140	31	area	area	NOUN
ap-8331	140	32	.	.	PUNCT
ap-8331	141	1	hence	hence	ADV
ap-8331	141	2	,	,	PUNCT
ap-8331	141	3	the	the	DET
ap-8331	141	4	annular	annular	ADJ
ap-8331	141	5	fluid	fluid	NOUN
ap-8331	141	6	is	be	AUX
ap-8331	141	7	fixed	fix	VERB
ap-8331	141	8	as	as	ADP
ap-8331	141	9	hot	hot	ADJ
ap-8331	141	10	water	water	NOUN
ap-8331	141	11	with	with	ADP
ap-8331	141	12	a	a	DET
ap-8331	141	13	flow	flow	NOUN
ap-8331	141	14	rate	rate	NOUN
ap-8331	141	15	of	of	ADP
ap-8331	141	16	0.4	0.4	NUM
ap-8331	141	17	kg	kg	NOUN
ap-8331	141	18	s−1	s−1	PROPN
ap-8331	141	19	and	and	CCONJ
ap-8331	141	20	the	the	DET
ap-8331	141	21	pipe	pipe	NOUN
ap-8331	141	22	fluid	fluid	NOUN
ap-8331	141	23	is	be	AUX
ap-8331	141	24	fixed	fix	VERB
ap-8331	141	25	as	as	ADP
ap-8331	141	26	cold	cold	ADJ
ap-8331	141	27	water	water	NOUN
ap-8331	141	28	with	with	ADP
ap-8331	141	29	a	a	DET
ap-8331	141	30	flow	flow	NOUN
ap-8331	141	31	rate	rate	NOUN
ap-8331	141	32	of	of	ADP
ap-8331	141	33	0.8	0.8	NUM
ap-8331	141	34	kg	kg	NOUN
ap-8331	141	35	s−1	s−1	PROPN
ap-8331	141	36	with	with	ADP
ap-8331	141	37	the	the	DET
ap-8331	141	38	length	length	NOUN
ap-8331	141	39	of	of	ADP
ap-8331	141	40	the	the	DET
ap-8331	141	41	heat	heat	NOUN
ap-8331	141	42	exchanger	exchanger	NOUN
ap-8331	141	43	fixed	fix	VERB
ap-8331	141	44	at	at	ADP
ap-8331	141	45	0.16	0.16	NUM
ap-8331	141	46	m	m	NOUN
ap-8331	141	47	to	to	PART
ap-8331	141	48	achieve	achieve	VERB
ap-8331	141	49	a	a	DET
ap-8331	141	50	better	well	ADJ
ap-8331	141	51	heat	heat	NOUN
ap-8331	141	52	transfer	transfer	NOUN
ap-8331	141	53	.	.	PUNCT
ap-8331	142	1	the	the	DET
ap-8331	142	2	calculation	calculation	NOUN
ap-8331	142	3	of	of	ADP
ap-8331	142	4	the	the	DET
ap-8331	142	5	overall	overall	ADJ
ap-8331	142	6	heat	heat	NOUN
ap-8331	142	7	transfer	transfer	NOUN
ap-8331	142	8	coefficient	coefficient	NOUN
ap-8331	142	9	is	be	AUX
ap-8331	142	10	based	base	VERB
ap-8331	142	11	on	on	ADP
ap-8331	142	12	the	the	DET
ap-8331	142	13	inner	inner	ADJ
ap-8331	142	14	surface	surface	NOUN
ap-8331	142	15	of	of	ADP
ap-8331	142	16	the	the	DET
ap-8331	142	17	tube	tube	NOUN
ap-8331	142	18	,	,	PUNCT
ap-8331	142	19	since	since	SCONJ
ap-8331	142	20	the	the	DET
ap-8331	142	21	calculation	calculation	NOUN
ap-8331	142	22	based	base	VERB
ap-8331	142	23	on	on	ADP
ap-8331	142	24	the	the	DET
ap-8331	142	25	outer	outer	ADJ
ap-8331	142	26	tube	tube	NOUN
ap-8331	142	27	area	area	NOUN
ap-8331	142	28	may	may	AUX
ap-8331	142	29	provide	provide	VERB
ap-8331	142	30	biased	biased	ADJ
ap-8331	142	31	results	result	NOUN
ap-8331	142	32	[	[	X
ap-8331	142	33	6	6	NUM
ap-8331	142	34	]	]	PUNCT
ap-8331	142	35	.	.	PUNCT
ap-8331	143	1	the	the	DET
ap-8331	143	2	comparison	comparison	NOUN
ap-8331	143	3	of	of	ADP
ap-8331	143	4	the	the	DET
ap-8331	143	5	overall	overall	ADJ
ap-8331	143	6	heat	heat	NOUN
ap-8331	143	7	transfer	transfer	NOUN
ap-8331	143	8	coefficient	coefficient	NOUN
ap-8331	143	9	obtained	obtain	VERB
ap-8331	143	10	from	from	ADP
ap-8331	143	11	the	the	DET
ap-8331	143	12	numerical	numerical	ADJ
ap-8331	143	13	analysis	analysis	NOUN
ap-8331	143	14	is	be	AUX
ap-8331	143	15	shown	show	VERB
ap-8331	143	16	in	in	ADP
ap-8331	143	17	figure	figure	NOUN
ap-8331	143	18	16	16	NUM
ap-8331	143	19	.	.	PUNCT
ap-8331	144	1	the	the	DET
ap-8331	144	2	overall	overall	ADJ
ap-8331	144	3	heat	heat	NOUN
ap-8331	144	4	transfer	transfer	NOUN
ap-8331	144	5	coefficient	coefficient	NOUN
ap-8331	144	6	of	of	ADP
ap-8331	144	7	the	the	DET
ap-8331	144	8	rectangular	rectangular	ADJ
ap-8331	144	9	labyrinth	labyrinth	ADJ
ap-8331	144	10	profile	profile	NOUN
ap-8331	144	11	is	be	AUX
ap-8331	144	12	twice	twice	ADV
ap-8331	144	13	than	than	ADP
ap-8331	144	14	that	that	PRON
ap-8331	144	15	of	of	ADP
ap-8331	144	16	the	the	DET
ap-8331	144	17	plain	plain	ADJ
ap-8331	144	18	profile	profile	NOUN
ap-8331	144	19	and	and	CCONJ
ap-8331	144	20	the	the	DET
ap-8331	144	21	value	value	NOUN
ap-8331	144	22	for	for	ADP
ap-8331	144	23	the	the	DET
ap-8331	144	24	triangular	triangular	ADJ
ap-8331	144	25	labyrinth	labyrinth	ADJ
ap-8331	144	26	profile	profile	NOUN
ap-8331	144	27	is	be	AUX
ap-8331	144	28	in	in	ADP
ap-8331	144	29	between	between	ADP
ap-8331	144	30	the	the	DET
ap-8331	144	31	rectangular	rectangular	ADJ
ap-8331	144	32	labyrinth	labyrinth	ADJ
ap-8331	144	33	and	and	CCONJ
ap-8331	144	34	plain	plain	ADJ
ap-8331	144	35	models	model	NOUN
ap-8331	144	36	.	.	PUNCT
ap-8331	145	1	hence	hence	ADV
ap-8331	145	2	,	,	PUNCT
ap-8331	145	3	only	only	ADV
ap-8331	145	4	the	the	DET
ap-8331	145	5	plain	plain	ADJ
ap-8331	145	6	and	and	CCONJ
ap-8331	145	7	rectangular	rectangular	ADJ
ap-8331	145	8	labyrinth	labyrinth	ADJ
ap-8331	145	9	profiles	profile	NOUN
ap-8331	145	10	are	be	AUX
ap-8331	145	11	considered	consider	VERB
ap-8331	145	12	for	for	ADP
ap-8331	145	13	experimental	experimental	ADJ
ap-8331	145	14	testing	testing	NOUN
ap-8331	145	15	.	.	PUNCT
ap-8331	146	1	the	the	DET
ap-8331	146	2	temperature	temperature	NOUN
ap-8331	146	3	plot	plot	NOUN
ap-8331	146	4	for	for	ADP
ap-8331	146	5	the	the	DET
ap-8331	146	6	plain	plain	ADJ
ap-8331	146	7	and	and	CCONJ
ap-8331	146	8	rectangular	rectangular	ADJ
ap-8331	146	9	profiles	profile	NOUN
ap-8331	146	10	is	be	AUX
ap-8331	146	11	shown	show	VERB
ap-8331	146	12	in	in	ADP
ap-8331	146	13	the	the	DET
ap-8331	146	14	figures	figure	NOUN
ap-8331	146	15	17	17	NUM
ap-8331	146	16	and	and	CCONJ
ap-8331	146	17	18	18	NUM
ap-8331	146	18	,	,	PUNCT
ap-8331	146	19	respectively	respectively	ADV
ap-8331	146	20	.	.	PUNCT
ap-8331	147	1	three	three	NUM
ap-8331	147	2	replicates	replicate	NOUN
ap-8331	147	3	of	of	ADP
ap-8331	147	4	testing	testing	NOUN
ap-8331	147	5	are	be	AUX
ap-8331	147	6	carried	carry	VERB
ap-8331	147	7	out	out	ADP
ap-8331	147	8	for	for	ADP
ap-8331	147	9	both	both	CCONJ
ap-8331	147	10	the	the	DET
ap-8331	147	11	plain	plain	ADJ
ap-8331	147	12	and	and	CCONJ
ap-8331	147	13	rectangular	rectangular	ADJ
ap-8331	147	14	cavity	cavity	NOUN
ap-8331	147	15	configurations	configuration	NOUN
ap-8331	147	16	.	.	PUNCT
ap-8331	148	1	temperature	temperature	NOUN
ap-8331	148	2	data	datum	NOUN
ap-8331	148	3	are	be	AUX
ap-8331	148	4	recorded	record	VERB
ap-8331	148	5	every	every	DET
ap-8331	148	6	10	10	NUM
ap-8331	148	7	seconds	second	NOUN
ap-8331	148	8	and	and	CCONJ
ap-8331	148	9	the	the	DET
ap-8331	148	10	temperature	temperature	NOUN
ap-8331	148	11	used	use	VERB
ap-8331	148	12	for	for	ADP
ap-8331	148	13	the	the	DET
ap-8331	148	14	comparison	comparison	NOUN
ap-8331	148	15	is	be	AUX
ap-8331	148	16	taken	take	VERB
ap-8331	148	17	at	at	ADP
ap-8331	148	18	a	a	DET
ap-8331	148	19	stable	stable	ADJ
ap-8331	148	20	condition	condition	NOUN
ap-8331	148	21	.	.	PUNCT
ap-8331	149	1	initially	initially	ADV
ap-8331	149	2	,	,	PUNCT
ap-8331	149	3	the	the	DET
ap-8331	149	4	plain	plain	ADJ
ap-8331	149	5	copper	copper	NOUN
ap-8331	149	6	tube	tube	NOUN
ap-8331	149	7	is	be	AUX
ap-8331	149	8	placed	place	VERB
ap-8331	149	9	inside	inside	ADP
ap-8331	149	10	the	the	DET
ap-8331	149	11	outer	outer	ADJ
ap-8331	149	12	gi	gi	NOUN
ap-8331	149	13	pipe	pipe	NOUN
ap-8331	149	14	and	and	CCONJ
ap-8331	149	15	the	the	DET
ap-8331	149	16	temperature	temperature	NOUN
ap-8331	149	17	sensors	sensor	NOUN
ap-8331	149	18	are	be	AUX
ap-8331	149	19	mounted	mount	VERB
ap-8331	149	20	on	on	ADP
ap-8331	149	21	the	the	DET
ap-8331	149	22	inlets	inlet	NOUN
ap-8331	149	23	and	and	CCONJ
ap-8331	149	24	outlets	outlet	NOUN
ap-8331	149	25	of	of	ADP
ap-8331	149	26	the	the	DET
ap-8331	149	27	hot	hot	ADJ
ap-8331	149	28	and	and	CCONJ
ap-8331	149	29	cold	cold	ADJ
ap-8331	149	30	pipes	pipe	NOUN
ap-8331	149	31	.	.	PUNCT
ap-8331	150	1	one	one	NUM
ap-8331	150	2	flow	flow	NOUN
ap-8331	150	3	sensor	sensor	NOUN
ap-8331	150	4	is	be	AUX
ap-8331	150	5	connected	connect	VERB
ap-8331	150	6	for	for	ADP
ap-8331	150	7	each	each	DET
ap-8331	150	8	hot	hot	ADJ
ap-8331	150	9	and	and	CCONJ
ap-8331	150	10	cold	cold	ADJ
ap-8331	150	11	pipes	pipe	NOUN
ap-8331	150	12	and	and	CCONJ
ap-8331	150	13	the	the	DET
ap-8331	150	14	output	output	NOUN
ap-8331	150	15	signals	signal	NOUN
ap-8331	150	16	of	of	ADP
ap-8331	150	17	all	all	DET
ap-8331	150	18	the	the	DET
ap-8331	150	19	sensors	sensor	NOUN
ap-8331	150	20	are	be	AUX
ap-8331	150	21	connected	connect	VERB
ap-8331	150	22	to	to	ADP
ap-8331	150	23	the	the	DET
ap-8331	150	24	arduino	arduino	NOUN
ap-8331	150	25	module	module	NOUN
ap-8331	150	26	.	.	PUNCT
ap-8331	151	1	the	the	DET
ap-8331	151	2	experiment	experiment	NOUN
ap-8331	151	3	results	result	VERB
ap-8331	151	4	support	support	VERB
ap-8331	151	5	the	the	DET
ap-8331	151	6	findings	finding	NOUN
ap-8331	151	7	from	from	ADP
ap-8331	151	8	the	the	DET
ap-8331	151	9	numerical	numerical	ADJ
ap-8331	151	10	analysis	analysis	NOUN
ap-8331	151	11	that	that	SCONJ
ap-8331	151	12	the	the	DET
ap-8331	151	13	tooth	tooth	NOUN
ap-8331	151	14	with	with	ADP
ap-8331	151	15	a	a	DET
ap-8331	151	16	rectangular	rectangular	ADJ
ap-8331	151	17	cavity	cavity	NOUN
ap-8331	151	18	labyrinth	labyrinth	ADJ
ap-8331	151	19	profile	profile	NOUN
ap-8331	151	20	is	be	AUX
ap-8331	151	21	having	have	VERB
ap-8331	151	22	better	well	ADJ
ap-8331	151	23	heat	heat	NOUN
ap-8331	151	24	transfer	transfer	NOUN
ap-8331	151	25	characteristics	characteristic	NOUN
ap-8331	151	26	as	as	SCONJ
ap-8331	151	27	compared	compare	VERB
ap-8331	151	28	to	to	ADP
ap-8331	151	29	the	the	DET
ap-8331	151	30	plain	plain	ADJ
ap-8331	151	31	profile	profile	NOUN
ap-8331	151	32	.	.	PUNCT
ap-8331	152	1	figure	figure	NOUN
ap-8331	152	2	19	19	NUM
ap-8331	152	3	provides	provide	VERB
ap-8331	152	4	the	the	DET
ap-8331	152	5	comparison	comparison	NOUN
ap-8331	152	6	of	of	ADP
ap-8331	152	7	numerical	numerical	ADJ
ap-8331	152	8	and	and	CCONJ
ap-8331	152	9	experiment	experiment	NOUN
ap-8331	152	10	results	result	NOUN
ap-8331	152	11	of	of	ADP
ap-8331	152	12	the	the	DET
ap-8331	152	13	plain	plain	ADJ
ap-8331	152	14	and	and	CCONJ
ap-8331	152	15	rectangular	rectangular	ADJ
ap-8331	152	16	labyrinth	labyrinth	ADJ
ap-8331	152	17	heat	heat	NOUN
ap-8331	152	18	exchangers	exchanger	NOUN
ap-8331	152	19	.	.	PUNCT
ap-8331	153	1	though	though	SCONJ
ap-8331	153	2	the	the	DET
ap-8331	153	3	overall	overall	ADJ
ap-8331	153	4	heat	heat	NOUN
ap-8331	153	5	transfer	transfer	NOUN
ap-8331	153	6	coefficient	coefficient	NOUN
ap-8331	153	7	is	be	AUX
ap-8331	153	8	underestimated	underestimate	VERB
ap-8331	153	9	by	by	ADP
ap-8331	153	10	the	the	DET
ap-8331	153	11	cfd	cfd	NOUN
ap-8331	153	12	analysis	analysis	NOUN
ap-8331	153	13	,	,	PUNCT
ap-8331	153	14	this	this	DET
ap-8331	153	15	approach	approach	NOUN
ap-8331	153	16	remains	remain	VERB
ap-8331	153	17	non	non	ADJ
ap-8331	153	18	-	-	ADJ
ap-8331	153	19	detrimental	detrimental	ADJ
ap-8331	153	20	as	as	SCONJ
ap-8331	153	21	the	the	DET
ap-8331	153	22	experimental	experimental	ADJ
ap-8331	153	23	testing	testing	NOUN
ap-8331	153	24	shows	show	VERB
ap-8331	153	25	a	a	DET
ap-8331	153	26	better	well	ADJ
ap-8331	153	27	exchanger	exchanger	NOUN
ap-8331	153	28	performance	performance	NOUN
ap-8331	153	29	than	than	SCONJ
ap-8331	153	30	predicted	predict	VERB
ap-8331	153	31	[	[	X
ap-8331	153	32	24	24	NUM
ap-8331	153	33	]	]	PUNCT
ap-8331	153	34	.	.	PUNCT
ap-8331	154	1	when	when	SCONJ
ap-8331	154	2	compared	compare	VERB
ap-8331	154	3	to	to	ADP
ap-8331	154	4	the	the	DET
ap-8331	154	5	conventional	conventional	ADJ
ap-8331	154	6	heat	heat	NOUN
ap-8331	154	7	exchanger	exchanger	NOUN
ap-8331	154	8	with	with	ADP
ap-8331	154	9	a	a	DET
ap-8331	154	10	finned	finned	ADJ
ap-8331	154	11	inner	inner	ADJ
ap-8331	154	12	tube	tube	NOUN
ap-8331	154	13	,	,	PUNCT
ap-8331	154	14	a	a	DET
ap-8331	154	15	significant	significant	ADJ
ap-8331	154	16	reduction	reduction	NOUN
ap-8331	154	17	in	in	ADP
ap-8331	154	18	pressure	pressure	NOUN
ap-8331	154	19	drop	drop	NOUN
ap-8331	154	20	is	be	AUX
ap-8331	154	21	achieved	achieve	VERB
ap-8331	154	22	without	without	ADP
ap-8331	154	23	affecting	affect	VERB
ap-8331	154	24	the	the	DET
ap-8331	154	25	heat	heat	NOUN
ap-8331	154	26	exchanger	exchanger	NOUN
ap-8331	154	27	performance	performance	NOUN
ap-8331	154	28	.	.	PUNCT
ap-8331	155	1	this	this	DET
ap-8331	155	2	result	result	NOUN
ap-8331	155	3	indicates	indicate	VERB
ap-8331	155	4	that	that	SCONJ
ap-8331	155	5	,	,	PUNCT
ap-8331	155	6	for	for	ADP
ap-8331	155	7	the	the	DET
ap-8331	155	8	double	double	ADJ
ap-8331	155	9	pipe	pipe	NOUN
ap-8331	155	10	heat	heat	NOUN
ap-8331	155	11	exchanger	exchanger	NOUN
ap-8331	155	12	model	model	NOUN
ap-8331	155	13	,	,	PUNCT
ap-8331	155	14	it	it	PRON
ap-8331	155	15	is	be	AUX
ap-8331	155	16	an	an	DET
ap-8331	155	17	innovative	innovative	ADJ
ap-8331	155	18	way	way	NOUN
ap-8331	155	19	to	to	PART
ap-8331	155	20	provide	provide	VERB
ap-8331	155	21	vortex	vortex	NOUN
ap-8331	155	22	generators	generator	NOUN
ap-8331	155	23	through	through	ADP
ap-8331	155	24	labyrinth	labyrinth	ADJ
ap-8331	155	25	structures	structure	NOUN
ap-8331	155	26	for	for	ADP
ap-8331	155	27	the	the	DET
ap-8331	155	28	improvement	improvement	NOUN
ap-8331	155	29	of	of	ADP
ap-8331	155	30	heat	heat	NOUN
ap-8331	155	31	transfer	transfer	NOUN
ap-8331	155	32	.	.	PUNCT
ap-8331	156	1	in	in	ADP
ap-8331	156	2	other	other	ADJ
ap-8331	156	3	words	word	NOUN
ap-8331	156	4	,	,	PUNCT
ap-8331	156	5	using	use	VERB
ap-8331	156	6	the	the	DET
ap-8331	156	7	heat	heat	NOUN
ap-8331	156	8	transfer	transfer	NOUN
ap-8331	156	9	enhancement	enhancement	NOUN
ap-8331	156	10	technique	technique	NOUN
ap-8331	156	11	presented	present	VERB
ap-8331	156	12	in	in	ADP
ap-8331	156	13	this	this	DET
ap-8331	156	14	paper	paper	NOUN
ap-8331	156	15	,	,	PUNCT
ap-8331	156	16	the	the	DET
ap-8331	156	17	modified	modified	ADJ
ap-8331	156	18	double	double	ADJ
ap-8331	156	19	pipe	pipe	NOUN
ap-8331	156	20	heat	heat	NOUN
ap-8331	156	21	exchanger	exchanger	NOUN
ap-8331	156	22	can	can	AUX
ap-8331	156	23	be	be	AUX
ap-8331	156	24	a	a	DET
ap-8331	156	25	good	good	ADJ
ap-8331	156	26	choice	choice	NOUN
ap-8331	156	27	for	for	ADP
ap-8331	156	28	a	a	DET
ap-8331	156	29	situation	situation	NOUN
ap-8331	156	30	that	that	PRON
ap-8331	156	31	requires	require	VERB
ap-8331	156	32	large	large	ADJ
ap-8331	156	33	quantity	quantity	NOUN
ap-8331	156	34	of	of	ADP
ap-8331	156	35	heat	heat	NOUN
ap-8331	156	36	to	to	PART
ap-8331	156	37	be	be	AUX
ap-8331	156	38	removed	remove	VERB
ap-8331	156	39	in	in	ADP
ap-8331	156	40	a	a	DET
ap-8331	156	41	limited	limited	ADJ
ap-8331	156	42	heat	heat	NOUN
ap-8331	156	43	exchanger	exchanger	NOUN
ap-8331	156	44	volume	volume	NOUN
ap-8331	156	45	.	.	PUNCT
ap-8331	157	1	6	6	X
ap-8331	157	2	.	.	X
ap-8331	157	3	conclusion	conclusion	NOUN
ap-8331	157	4	increased	increase	VERB
ap-8331	157	5	heat	heat	NOUN
ap-8331	157	6	exchange	exchange	NOUN
ap-8331	157	7	can	can	AUX
ap-8331	157	8	be	be	AUX
ap-8331	157	9	achieved	achieve	VERB
ap-8331	157	10	by	by	ADP
ap-8331	157	11	increasing	increase	VERB
ap-8331	157	12	the	the	DET
ap-8331	157	13	heat	heat	NOUN
ap-8331	157	14	transfer	transfer	NOUN
ap-8331	157	15	surface	surface	NOUN
ap-8331	157	16	area	area	NOUN
ap-8331	157	17	,	,	PUNCT
ap-8331	157	18	increasing	increase	VERB
ap-8331	157	19	the	the	DET
ap-8331	157	20	heat	heat	NOUN
ap-8331	157	21	transfer	transfer	NOUN
ap-8331	157	22	coefficient	coefficient	NOUN
ap-8331	157	23	,	,	PUNCT
ap-8331	157	24	or	or	CCONJ
ap-8331	157	25	creating	create	VERB
ap-8331	157	26	turbulence	turbulence	NOUN
ap-8331	157	27	in	in	ADP
ap-8331	157	28	the	the	DET
ap-8331	157	29	flow	flow	NOUN
ap-8331	157	30	of	of	ADP
ap-8331	157	31	hot	hot	ADJ
ap-8331	157	32	fluids	fluid	NOUN
ap-8331	157	33	.	.	PUNCT
ap-8331	158	1	the	the	DET
ap-8331	158	2	increase	increase	NOUN
ap-8331	158	3	in	in	ADP
ap-8331	158	4	the	the	DET
ap-8331	158	5	exchange	exchange	NOUN
ap-8331	158	6	surface	surface	NOUN
ap-8331	158	7	area	area	NOUN
ap-8331	158	8	by	by	ADP
ap-8331	158	9	increasing	increase	VERB
ap-8331	158	10	the	the	DET
ap-8331	158	11	heat	heat	NOUN
ap-8331	158	12	exchanger	exchanger	NOUN
ap-8331	158	13	size	size	NOUN
ap-8331	158	14	directly	directly	ADV
ap-8331	158	15	increases	increase	VERB
ap-8331	158	16	the	the	DET
ap-8331	158	17	cost	cost	NOUN
ap-8331	158	18	of	of	ADP
ap-8331	158	19	the	the	DET
ap-8331	158	20	fabrication	fabrication	NOUN
ap-8331	158	21	.	.	PUNCT
ap-8331	159	1	the	the	DET
ap-8331	159	2	increase	increase	NOUN
ap-8331	159	3	in	in	ADP
ap-8331	159	4	the	the	DET
ap-8331	159	5	heat	heat	NOUN
ap-8331	159	6	transfer	transfer	NOUN
ap-8331	159	7	coefficient	coefficient	NOUN
ap-8331	159	8	requires	require	VERB
ap-8331	159	9	increase	increase	NOUN
ap-8331	159	10	in	in	ADP
ap-8331	159	11	the	the	DET
ap-8331	159	12	flow	flow	NOUN
ap-8331	159	13	velocity	velocity	NOUN
ap-8331	159	14	and	and	CCONJ
ap-8331	159	15	reynolds	reynolds	PROPN
ap-8331	159	16	number	number	PROPN
ap-8331	159	17	,	,	PUNCT
ap-8331	159	18	which	which	PRON
ap-8331	159	19	needs	need	VERB
ap-8331	159	20	modification	modification	NOUN
ap-8331	159	21	in	in	ADP
ap-8331	159	22	the	the	DET
ap-8331	159	23	process	process	NOUN
ap-8331	159	24	parameters	parameter	NOUN
ap-8331	159	25	.	.	PUNCT
ap-8331	160	1	hence	hence	ADV
ap-8331	160	2	the	the	DET
ap-8331	160	3	improvement	improvement	NOUN
ap-8331	160	4	is	be	AUX
ap-8331	160	5	achieved	achieve	VERB
ap-8331	160	6	by	by	ADP
ap-8331	160	7	modifying	modify	VERB
ap-8331	160	8	the	the	DET
ap-8331	160	9	outer	outer	ADJ
ap-8331	160	10	surface	surface	NOUN
ap-8331	160	11	of	of	ADP
ap-8331	160	12	the	the	DET
ap-8331	160	13	inner	inner	ADJ
ap-8331	160	14	tube	tube	NOUN
ap-8331	160	15	by	by	ADP
ap-8331	160	16	creating	create	VERB
ap-8331	160	17	turbulence	turbulence	NOUN
ap-8331	160	18	in	in	ADP
ap-8331	160	19	the	the	DET
ap-8331	160	20	flow	flow	NOUN
ap-8331	160	21	.	.	PUNCT
ap-8331	161	1	in	in	ADP
ap-8331	161	2	the	the	DET
ap-8331	161	3	present	present	ADJ
ap-8331	161	4	work	work	NOUN
ap-8331	161	5	,	,	PUNCT
ap-8331	161	6	three	three	NUM
ap-8331	161	7	different	different	ADJ
ap-8331	161	8	lengths	length	NOUN
ap-8331	161	9	(	(	PUNCT
ap-8331	161	10	0.16	0.16	NUM
ap-8331	161	11	m	m	NOUN
ap-8331	161	12	,	,	PUNCT
ap-8331	161	13	0.5	0.5	NUM
ap-8331	161	14	m	m	NOUN
ap-8331	161	15	and	and	CCONJ
ap-8331	161	16	1.5	1.5	NUM
ap-8331	161	17	m	m	NOUN
ap-8331	161	18	)	)	PUNCT
ap-8331	161	19	are	be	AUX
ap-8331	161	20	considered	consider	VERB
ap-8331	161	21	for	for	ADP
ap-8331	161	22	cfd	cfd	NOUN
ap-8331	161	23	analysis	analysis	NOUN
ap-8331	161	24	in	in	ADP
ap-8331	161	25	order	order	NOUN
ap-8331	161	26	to	to	PART
ap-8331	161	27	understand	understand	VERB
ap-8331	161	28	the	the	DET
ap-8331	161	29	effect	effect	NOUN
ap-8331	161	30	of	of	ADP
ap-8331	161	31	length	length	NOUN
ap-8331	161	32	on	on	ADP
ap-8331	161	33	the	the	DET
ap-8331	161	34	heat	heat	NOUN
ap-8331	161	35	exchange	exchange	NOUN
ap-8331	161	36	by	by	ADP
ap-8331	161	37	annular	annular	ADJ
ap-8331	161	38	fluid	fluid	NOUN
ap-8331	161	39	.	.	PUNCT
ap-8331	162	1	experiments	experiment	NOUN
ap-8331	162	2	are	be	AUX
ap-8331	162	3	conducted	conduct	VERB
ap-8331	162	4	for	for	ADP
ap-8331	162	5	hot	hot	ADJ
ap-8331	162	6	fluid	fluid	ADJ
ap-8331	162	7	mass	mass	NOUN
ap-8331	162	8	flow	flow	NOUN
ap-8331	162	9	rate	rate	NOUN
ap-8331	162	10	of	of	ADP
ap-8331	162	11	0.4	0.4	NUM
ap-8331	162	12	kg	kg	NOUN
ap-8331	162	13	s−1	s−1	PROPN
ap-8331	162	14	in	in	ADP
ap-8331	162	15	the	the	DET
ap-8331	162	16	annular	annular	ADJ
ap-8331	162	17	region	region	NOUN
ap-8331	162	18	,	,	PUNCT
ap-8331	162	19	and	and	CCONJ
ap-8331	162	20	cold	cold	ADJ
ap-8331	162	21	fluid	fluid	NOUN
ap-8331	162	22	mass	mass	NOUN
ap-8331	162	23	flow	flow	NOUN
ap-8331	162	24	rate	rate	NOUN
ap-8331	162	25	of	of	ADP
ap-8331	162	26	0.8	0.8	NUM
ap-8331	162	27	kg	kg	NOUN
ap-8331	162	28	s−1	s−1	PROPN
ap-8331	162	29	in	in	ADP
ap-8331	162	30	the	the	DET
ap-8331	162	31	inner	inner	ADJ
ap-8331	162	32	70	70	NUM
ap-8331	162	33	vol	vol	NOUN
ap-8331	162	34	.	.	PUNCT
ap-8331	163	1	63	63	NUM
ap-8331	164	1	no	no	NOUN
ap-8331	164	2	.	.	PUNCT
ap-8331	165	1	1/2023	1/2023	NUM
ap-8331	165	2	heat	heat	NOUN
ap-8331	165	3	transfer	transfer	NOUN
ap-8331	165	4	characteristics	characteristic	NOUN
ap-8331	165	5	of	of	ADP
ap-8331	165	6	double	double	ADJ
ap-8331	165	7	pipe	pipe	NOUN
ap-8331	165	8	heat	heat	NOUN
ap-8331	165	9	exchanger	exchanger	NOUN
ap-8331	165	10	.	.	PUNCT
ap-8331	165	11	.	.	PUNCT
ap-8331	166	1	.	.	PUNCT
ap-8331	167	1	figure	figure	VERB
ap-8331	167	2	13	13	NUM
ap-8331	167	3	.	.	PUNCT
ap-8331	168	1	effect	effect	NOUN
ap-8331	168	2	of	of	ADP
ap-8331	168	3	increasing	increase	VERB
ap-8331	168	4	the	the	DET
ap-8331	168	5	heat	heat	NOUN
ap-8331	168	6	exchanger	exchanger	NOUN
ap-8331	168	7	length	length	NOUN
ap-8331	168	8	(	(	PUNCT
ap-8331	168	9	hot	hot	ADJ
ap-8331	168	10	fluid	fluid	NOUN
ap-8331	168	11	in	in	ADP
ap-8331	168	12	annulus	annulus	NOUN
ap-8331	168	13	at	at	ADP
ap-8331	168	14	0.4	0.4	NUM
ap-8331	168	15	kg	kg	NUM
ap-8331	168	16	s−1	s−1	PROPN
ap-8331	168	17	)	)	PUNCT
ap-8331	168	18	.	.	PUNCT
ap-8331	169	1	figure	figure	NOUN
ap-8331	169	2	14	14	NUM
ap-8331	169	3	.	.	PUNCT
ap-8331	170	1	effect	effect	NOUN
ap-8331	170	2	of	of	ADP
ap-8331	170	3	increasing	increase	VERB
ap-8331	170	4	the	the	DET
ap-8331	170	5	heat	heat	NOUN
ap-8331	170	6	exchanger	exchanger	NOUN
ap-8331	170	7	length	length	NOUN
ap-8331	170	8	(	(	PUNCT
ap-8331	170	9	hot	hot	ADJ
ap-8331	170	10	fluid	fluid	NOUN
ap-8331	170	11	in	in	ADP
ap-8331	170	12	inner	inner	ADJ
ap-8331	170	13	pipe	pipe	NOUN
ap-8331	170	14	at	at	ADP
ap-8331	170	15	0.4	0.4	NUM
ap-8331	170	16	kg	kg	NUM
ap-8331	170	17	s−1	s−1	PROPN
ap-8331	170	18	)	)	PUNCT
ap-8331	170	19	.	.	PUNCT
ap-8331	171	1	figure	figure	NOUN
ap-8331	171	2	15	15	NUM
ap-8331	171	3	.	.	PUNCT
ap-8331	172	1	effect	effect	NOUN
ap-8331	172	2	of	of	ADP
ap-8331	172	3	increasing	increase	VERB
ap-8331	172	4	the	the	DET
ap-8331	172	5	heat	heat	NOUN
ap-8331	172	6	exchanger	exchanger	NOUN
ap-8331	172	7	length	length	NOUN
ap-8331	172	8	(	(	PUNCT
ap-8331	172	9	hot	hot	ADJ
ap-8331	172	10	fluid	fluid	NOUN
ap-8331	172	11	in	in	ADP
ap-8331	172	12	inner	inner	ADJ
ap-8331	172	13	pipe	pipe	NOUN
ap-8331	172	14	at	at	ADP
ap-8331	172	15	0.8	0.8	NUM
ap-8331	172	16	kg	kg	NUM
ap-8331	172	17	s−1	s−1	PROPN
ap-8331	172	18	)	)	PUNCT
ap-8331	172	19	.	.	PUNCT
ap-8331	173	1	71	71	NUM
ap-8331	173	2	b.	b.	PROPN
ap-8331	173	3	vijayaragavan	vijayaragavan	NOUN
ap-8331	173	4	,	,	PUNCT
ap-8331	173	5	s.	s.	PROPN
ap-8331	173	6	p.	p.	PROPN
ap-8331	173	7	asok	asok	PROPN
ap-8331	173	8	,	,	PUNCT
ap-8331	173	9	c.	c.	PROPN
ap-8331	173	10	r.	r.	PROPN
ap-8331	173	11	shakthi	shakthi	PROPN
ap-8331	173	12	ganesh	ganesh	PROPN
ap-8331	173	13	acta	acta	PROPN
ap-8331	173	14	polytechnica	polytechnica	PROPN
ap-8331	173	15	figure	figure	NOUN
ap-8331	173	16	16	16	NUM
ap-8331	173	17	.	.	PUNCT
ap-8331	174	1	comparison	comparison	NOUN
ap-8331	174	2	of	of	ADP
ap-8331	174	3	overall	overall	ADJ
ap-8331	174	4	heat	heat	NOUN
ap-8331	174	5	transfer	transfer	NOUN
ap-8331	174	6	coefficient	coefficient	NOUN
ap-8331	174	7	for	for	ADP
ap-8331	174	8	cfd	cfd	NOUN
ap-8331	174	9	results	result	NOUN
ap-8331	174	10	.	.	PUNCT
ap-8331	175	1	figure	figure	VERB
ap-8331	175	2	17	17	NUM
ap-8331	175	3	.	.	PUNCT
ap-8331	176	1	temperature	temperature	NOUN
ap-8331	176	2	plot	plot	NOUN
ap-8331	176	3	for	for	ADP
ap-8331	176	4	plain	plain	ADJ
ap-8331	176	5	heat	heat	NOUN
ap-8331	176	6	exchanger	exchanger	NOUN
ap-8331	176	7	.	.	PUNCT
ap-8331	177	1	figure	figure	NOUN
ap-8331	177	2	18	18	NUM
ap-8331	177	3	.	.	PUNCT
ap-8331	178	1	temperature	temperature	NOUN
ap-8331	178	2	plot	plot	NOUN
ap-8331	178	3	for	for	ADP
ap-8331	178	4	rectangular	rectangular	ADJ
ap-8331	178	5	labyrinth	labyrinth	ADJ
ap-8331	178	6	heat	heat	NOUN
ap-8331	178	7	exchanger	exchanger	NOUN
ap-8331	178	8	.	.	PUNCT
ap-8331	179	1	72	72	NUM
ap-8331	179	2	vol	vol	NOUN
ap-8331	179	3	.	.	PUNCT
ap-8331	179	4	63	63	NUM
ap-8331	179	5	no	no	NOUN
ap-8331	179	6	.	.	PUNCT
ap-8331	180	1	1/2023	1/2023	NUM
ap-8331	180	2	heat	heat	NOUN
ap-8331	180	3	transfer	transfer	NOUN
ap-8331	180	4	characteristics	characteristic	NOUN
ap-8331	180	5	of	of	ADP
ap-8331	180	6	double	double	ADJ
ap-8331	180	7	pipe	pipe	NOUN
ap-8331	180	8	heat	heat	NOUN
ap-8331	180	9	exchanger	exchanger	NOUN
ap-8331	180	10	.	.	PUNCT
ap-8331	180	11	.	.	PUNCT
ap-8331	180	12	.	.	PUNCT
ap-8331	181	1	figure	figure	VERB
ap-8331	181	2	19	19	NUM
ap-8331	181	3	.	.	PUNCT
ap-8331	181	4	comparison	comparison	NOUN
ap-8331	181	5	of	of	ADP
ap-8331	181	6	experiment	experiment	NOUN
ap-8331	181	7	and	and	CCONJ
ap-8331	181	8	numerical	numerical	ADJ
ap-8331	181	9	results	result	NOUN
ap-8331	181	10	.	.	PUNCT
ap-8331	182	1	pipe	pipe	NOUN
ap-8331	182	2	,	,	PUNCT
ap-8331	182	3	with	with	ADP
ap-8331	182	4	a	a	DET
ap-8331	182	5	constant	constant	ADJ
ap-8331	182	6	length	length	NOUN
ap-8331	182	7	of	of	ADP
ap-8331	182	8	0.16	0.16	NUM
ap-8331	182	9	m.	m.	NOUN
ap-8331	182	10	it	it	PRON
ap-8331	182	11	is	be	AUX
ap-8331	182	12	observed	observe	VERB
ap-8331	182	13	that	that	SCONJ
ap-8331	182	14	heat	heat	NOUN
ap-8331	182	15	transfer	transfer	NOUN
ap-8331	182	16	rate	rate	NOUN
ap-8331	182	17	increases	increase	NOUN
ap-8331	182	18	with	with	ADP
ap-8331	182	19	reduced	reduced	ADJ
ap-8331	182	20	annular	annular	ADJ
ap-8331	182	21	flow	flow	NOUN
ap-8331	182	22	area	area	NOUN
ap-8331	182	23	.	.	PUNCT
ap-8331	183	1	this	this	DET
ap-8331	183	2	effect	effect	NOUN
ap-8331	183	3	is	be	AUX
ap-8331	183	4	predominant	predominant	ADJ
ap-8331	183	5	when	when	SCONJ
ap-8331	183	6	the	the	DET
ap-8331	183	7	flow	flow	NOUN
ap-8331	183	8	rate	rate	NOUN
ap-8331	183	9	of	of	ADP
ap-8331	183	10	the	the	DET
ap-8331	183	11	pipe	pipe	NOUN
ap-8331	183	12	fluid	fluid	NOUN
ap-8331	183	13	is	be	AUX
ap-8331	183	14	higher	high	ADJ
ap-8331	183	15	than	than	ADP
ap-8331	183	16	the	the	DET
ap-8331	183	17	flow	flow	NOUN
ap-8331	183	18	rate	rate	NOUN
ap-8331	183	19	of	of	ADP
ap-8331	183	20	the	the	DET
ap-8331	183	21	annular	annular	ADJ
ap-8331	183	22	fluid	fluid	NOUN
ap-8331	183	23	and	and	CCONJ
ap-8331	183	24	when	when	SCONJ
ap-8331	183	25	the	the	DET
ap-8331	183	26	length	length	NOUN
ap-8331	183	27	of	of	ADP
ap-8331	183	28	the	the	DET
ap-8331	183	29	heat	heat	NOUN
ap-8331	183	30	exchanger	exchanger	NOUN
ap-8331	183	31	increases	increase	NOUN
ap-8331	183	32	.	.	PUNCT
ap-8331	184	1	the	the	DET
ap-8331	184	2	heat	heat	NOUN
ap-8331	184	3	transfer	transfer	NOUN
ap-8331	184	4	further	far	ADV
ap-8331	184	5	improves	improve	VERB
ap-8331	184	6	when	when	SCONJ
ap-8331	184	7	the	the	DET
ap-8331	184	8	plain	plain	ADJ
ap-8331	184	9	annular	annular	ADJ
ap-8331	184	10	flow	flow	NOUN
ap-8331	184	11	path	path	NOUN
ap-8331	184	12	is	be	AUX
ap-8331	184	13	replaced	replace	VERB
ap-8331	184	14	with	with	ADP
ap-8331	184	15	labyrinth	labyrinth	ADJ
ap-8331	184	16	structures	structure	NOUN
ap-8331	184	17	and	and	CCONJ
ap-8331	184	18	rectangular	rectangular	ADJ
ap-8331	184	19	cavity	cavity	NOUN
ap-8331	184	20	labyrinths	labyrinth	NOUN
ap-8331	184	21	are	be	AUX
ap-8331	184	22	found	find	VERB
ap-8331	184	23	to	to	PART
ap-8331	184	24	be	be	AUX
ap-8331	184	25	better	well	ADV
ap-8331	184	26	performing	perform	VERB
ap-8331	184	27	than	than	ADP
ap-8331	184	28	the	the	DET
ap-8331	184	29	triangular	triangular	NOUN
ap-8331	184	30	cavity	cavity	NOUN
ap-8331	184	31	labyrinth	labyrinth	NOUN
ap-8331	184	32	.	.	PUNCT
ap-8331	185	1	a	a	DET
ap-8331	185	2	two	two	NUM
ap-8331	185	3	-	-	PUNCT
ap-8331	185	4	dimensional	dimensional	ADJ
ap-8331	185	5	axisymmetric	axisymmetric	ADJ
ap-8331	185	6	model	model	NOUN
ap-8331	185	7	was	be	AUX
ap-8331	185	8	analysed	analyse	VERB
ap-8331	185	9	using	use	VERB
ap-8331	185	10	ansys	ansys	PROPN
ap-8331	185	11	fluent	fluent	ADJ
ap-8331	185	12	software	software	NOUN
ap-8331	185	13	and	and	CCONJ
ap-8331	185	14	the	the	DET
ap-8331	185	15	results	result	NOUN
ap-8331	185	16	are	be	AUX
ap-8331	185	17	comparable	comparable	ADJ
ap-8331	185	18	with	with	ADP
ap-8331	185	19	the	the	DET
ap-8331	185	20	experiment	experiment	NOUN
ap-8331	185	21	results	result	NOUN
ap-8331	185	22	.	.	PUNCT
ap-8331	186	1	list	list	NOUN
ap-8331	186	2	of	of	ADP
ap-8331	186	3	symbols	symbol	NOUN
ap-8331	186	4	značka	značka	PROPN
ap-8331	186	5	popis	popis	PROPN
ap-8331	186	6	značky	značky	PROPN
ap-8331	187	1	[	[	X
ap-8331	187	2	jednotka	jednotka	X
ap-8331	187	3	]	]	X
ap-8331	187	4	ρ	ρ	NUM
ap-8331	187	5	density	density	NOUN
ap-8331	188	1	[	[	X
ap-8331	188	2	kg	kg	X
ap-8331	188	3	m−3	m−3	PROPN
ap-8331	188	4	]	]	X
ap-8331	188	5	u	u	NOUN
ap-8331	188	6	velocity	velocity	NOUN
ap-8331	188	7	[	[	X
ap-8331	188	8	m	m	NOUN
ap-8331	188	9	s−1	s−1	PROPN
ap-8331	188	10	]	]	X
ap-8331	188	11	dh	dh	PROPN
ap-8331	188	12	hydraulic	hydraulic	PROPN
ap-8331	188	13	diameter	diameter	NOUN
ap-8331	189	1	[	[	X
ap-8331	189	2	m	m	X
ap-8331	189	3	]	]	X
ap-8331	189	4	υ	υ	PRON
ap-8331	189	5	kinematic	kinematic	ADJ
ap-8331	189	6	viscosity	viscosity	NOUN
ap-8331	189	7	[	[	X
ap-8331	189	8	m2	m2	PROPN
ap-8331	189	9	s−1	s−1	PROPN
ap-8331	189	10	]	]	PUNCT
ap-8331	189	11	h	h	NOUN
ap-8331	189	12	heat	heat	NOUN
ap-8331	189	13	transfer	transfer	NOUN
ap-8331	189	14	co	co	ADJ
ap-8331	189	15	-	-	ADJ
ap-8331	189	16	efficient	efficient	ADJ
ap-8331	190	1	[	[	X
ap-8331	190	2	w	w	NOUN
ap-8331	190	3	m−2k−1	m−2k−1	NOUN
ap-8331	190	4	]	]	X
ap-8331	190	5	k	k	NOUN
ap-8331	190	6	thermal	thermal	ADJ
ap-8331	190	7	conductivity	conductivity	NOUN
ap-8331	190	8	[	[	X
ap-8331	190	9	w	w	NOUN
ap-8331	190	10	m−1k−1	m−1k−1	NOUN
ap-8331	190	11	]	]	X
ap-8331	190	12	q	q	ADJ
ap-8331	190	13	heat	heat	NOUN
ap-8331	190	14	transferred	transfer	VERB
ap-8331	190	15	[	[	X
ap-8331	190	16	w	w	X
ap-8331	190	17	]	]	X
ap-8331	190	18	a	a	DET
ap-8331	190	19	heat	heat	NOUN
ap-8331	190	20	exchanger	exchanger	NOUN
ap-8331	190	21	area	area	NOUN
ap-8331	191	1	[	[	X
ap-8331	191	2	m2	m2	X
ap-8331	191	3	]	]	X
ap-8331	191	4	hf	hf	ADJ
ap-8331	191	5	height	height	NOUN
ap-8331	191	6	of	of	ADP
ap-8331	191	7	the	the	DET
ap-8331	191	8	tooth	tooth	NOUN
ap-8331	191	9	[	[	X
ap-8331	191	10	m	m	X
ap-8331	191	11	]	]	X
ap-8331	191	12	wf	wf	PROPN
ap-8331	191	13	pitch	pitch	NOUN
ap-8331	191	14	of	of	ADP
ap-8331	191	15	the	the	DET
ap-8331	191	16	tooth	tooth	NOUN
ap-8331	191	17	[	[	X
ap-8331	191	18	m	m	X
ap-8331	191	19	]	]	X
ap-8331	191	20	u	u	ADJ
ap-8331	191	21	overall	overall	ADJ
ap-8331	191	22	heat	heat	NOUN
ap-8331	191	23	transfer	transfer	NOUN
ap-8331	191	24	coefficient	coefficient	NOUN
ap-8331	192	1	[	[	X
ap-8331	192	2	w	w	NOUN
ap-8331	192	3	m−2k−1	m−2k−1	NOUN
ap-8331	192	4	]	]	X
ap-8331	192	5	t	t	NOUN
ap-8331	192	6	temperature	temperature	NOUN
ap-8331	193	1	[	[	X
ap-8331	193	2	k	k	X
ap-8331	193	3	]	]	X
ap-8331	193	4	re	re	ADP
ap-8331	193	5	reynolds	reynolds	PROPN
ap-8331	193	6	number	number	NOUN
ap-8331	193	7	(	(	PUNCT
ap-8331	193	8	dimensionless	dimensionless	NOUN
ap-8331	193	9	)	)	PUNCT
ap-8331	193	10	nu	nu	NOUN
ap-8331	193	11	nusselt	nusselt	NOUN
ap-8331	193	12	number	number	NOUN
ap-8331	193	13	(	(	PUNCT
ap-8331	193	14	dimensionless	dimensionless	NOUN
ap-8331	193	15	)	)	PUNCT
ap-8331	193	16	∆t1	∆t1	NOUN
ap-8331	193	17	difference	difference	NOUN
ap-8331	193	18	between	between	ADP
ap-8331	193	19	hot	hot	ADJ
ap-8331	193	20	and	and	CCONJ
ap-8331	193	21	cold	cold	ADJ
ap-8331	193	22	fluid	fluid	ADJ
ap-8331	193	23	temperatures	temperature	NOUN
ap-8331	193	24	at	at	ADP
ap-8331	193	25	entry	entry	NOUN
ap-8331	193	26	∆t2	∆t2	NOUN
ap-8331	193	27	difference	difference	NOUN
ap-8331	193	28	between	between	ADP
ap-8331	193	29	hot	hot	ADJ
ap-8331	193	30	and	and	CCONJ
ap-8331	193	31	cold	cold	ADJ
ap-8331	193	32	fluid	fluid	ADJ
ap-8331	193	33	temperatures	temperature	NOUN
ap-8331	193	34	at	at	ADP
ap-8331	193	35	exit	exit	NOUN
ap-8331	193	36	lmtd	lmtd	NOUN
ap-8331	193	37	logarithmic	logarithmic	ADJ
ap-8331	193	38	mean	mean	NOUN
ap-8331	193	39	temperature	temperature	NOUN
ap-8331	193	40	difference	difference	NOUN
ap-8331	193	41	references	reference	NOUN
ap-8331	193	42	[	[	X
ap-8331	193	43	1	1	NUM
ap-8331	193	44	]	]	PUNCT
ap-8331	193	45	a.	a.	NOUN
ap-8331	193	46	lemouedda	lemouedda	NOUN
ap-8331	193	47	,	,	PUNCT
ap-8331	193	48	a.	a.	PROPN
ap-8331	193	49	schmid	schmid	PROPN
ap-8331	193	50	,	,	PUNCT
ap-8331	193	51	e.	e.	PROPN
ap-8331	193	52	franz	franz	PROPN
ap-8331	193	53	,	,	PUNCT
ap-8331	193	54	et	et	PROPN
ap-8331	193	55	al	al	PROPN
ap-8331	193	56	.	.	PROPN
ap-8331	193	57	numerical	numerical	ADJ
ap-8331	193	58	investigations	investigation	NOUN
ap-8331	193	59	for	for	ADP
ap-8331	193	60	the	the	DET
ap-8331	193	61	optimization	optimization	NOUN
ap-8331	193	62	of	of	ADP
ap-8331	193	63	serrated	serrate	VERB
ap-8331	193	64	finned	fin	VERB
ap-8331	193	65	-	-	PUNCT
ap-8331	193	66	tube	tube	NOUN
ap-8331	193	67	heat	heat	NOUN
ap-8331	193	68	exchangers	exchanger	NOUN
ap-8331	193	69	.	.	PUNCT
ap-8331	194	1	applied	apply	VERB
ap-8331	194	2	thermal	thermal	ADJ
ap-8331	194	3	engineering	engineering	NOUN
ap-8331	194	4	31(8	31(8	PROPN
ap-8331	194	5	-	-	NOUN
ap-8331	194	6	9):1393–1401	9):1393–1401	NOUN
ap-8331	194	7	,	,	PUNCT
ap-8331	194	8	2011	2011	NUM
ap-8331	194	9	.	.	PUNCT
ap-8331	195	1	https	https	NOUN
ap-8331	195	2	:	:	PUNCT
ap-8331	195	3	//doi.org/10.1016	//doi.org/10.1016	PROPN
ap-8331	195	4	/	/	SYM
ap-8331	195	5	j.applthermaleng.2010.12.035	j.applthermaleng.2010.12.035	PROPN
ap-8331	196	1	[	[	X
ap-8331	196	2	2	2	NUM
ap-8331	196	3	]	]	PUNCT
ap-8331	196	4	j.	j.	PROPN
ap-8331	196	5	m.	m.	PROPN
ap-8331	196	6	gorman	gorman	PROPN
ap-8331	196	7	,	,	PUNCT
ap-8331	196	8	k.	k.	PROPN
ap-8331	196	9	r.	r.	PROPN
ap-8331	196	10	krautbauer	krautbauer	PROPN
ap-8331	196	11	,	,	PUNCT
ap-8331	196	12	e.	e.	PROPN
ap-8331	196	13	m.	m.	PROPN
ap-8331	196	14	sparrow	sparrow	PROPN
ap-8331	196	15	.	.	PUNCT
ap-8331	197	1	thermal	thermal	ADJ
ap-8331	197	2	and	and	CCONJ
ap-8331	197	3	fluid	fluid	ADJ
ap-8331	197	4	flow	flow	NOUN
ap-8331	197	5	first	first	ADJ
ap-8331	197	6	-	-	PUNCT
ap-8331	197	7	principles	principle	NOUN
ap-8331	197	8	numerical	numerical	ADJ
ap-8331	197	9	design	design	NOUN
ap-8331	197	10	of	of	ADP
ap-8331	197	11	an	an	DET
ap-8331	197	12	enhanced	enhanced	ADJ
ap-8331	197	13	double	double	ADJ
ap-8331	197	14	pipe	pipe	NOUN
ap-8331	197	15	heat	heat	NOUN
ap-8331	197	16	exchanger	exchanger	NOUN
ap-8331	197	17	.	.	PUNCT
ap-8331	198	1	applied	apply	VERB
ap-8331	198	2	thermal	thermal	ADJ
ap-8331	198	3	engineering	engineering	NOUN
ap-8331	198	4	107:194–206	107:194–206	NUM
ap-8331	198	5	,	,	PUNCT
ap-8331	198	6	2016	2016	NUM
ap-8331	198	7	.	.	PUNCT
ap-8331	199	1	https	https	NOUN
ap-8331	199	2	:	:	PUNCT
ap-8331	199	3	//doi.org/10.1016	//doi.org/10.1016	PROPN
ap-8331	199	4	/	/	SYM
ap-8331	199	5	j.applthermaleng.2016.06.134	j.applthermaleng.2016.06.134	PROPN
ap-8331	200	1	[	[	X
ap-8331	200	2	3	3	NUM
ap-8331	200	3	]	]	X
ap-8331	200	4	l.	l.	PROPN
ap-8331	200	5	duan	duan	PROPN
ap-8331	200	6	,	,	PUNCT
ap-8331	200	7	x.	x.	PROPN
ap-8331	200	8	ling	ling	PROPN
ap-8331	200	9	,	,	PUNCT
ap-8331	200	10	h.	h.	PROPN
ap-8331	200	11	peng	peng	PROPN
ap-8331	200	12	.	.	PUNCT
ap-8331	201	1	flow	flow	VERB
ap-8331	201	2	and	and	CCONJ
ap-8331	201	3	heat	heat	NOUN
ap-8331	201	4	transfer	transfer	NOUN
ap-8331	201	5	characteristics	characteristic	NOUN
ap-8331	201	6	of	of	ADP
ap-8331	201	7	a	a	DET
ap-8331	201	8	double	double	ADJ
ap-8331	201	9	-	-	PUNCT
ap-8331	201	10	tube	tube	NOUN
ap-8331	201	11	structure	structure	NOUN
ap-8331	201	12	internal	internal	ADJ
ap-8331	201	13	finned	finned	ADJ
ap-8331	201	14	tube	tube	NOUN
ap-8331	201	15	with	with	ADP
ap-8331	201	16	blossom	blossom	NOUN
ap-8331	201	17	shape	shape	NOUN
ap-8331	201	18	internal	internal	ADJ
ap-8331	201	19	fins	fin	NOUN
ap-8331	201	20	.	.	PUNCT
ap-8331	202	1	applied	apply	VERB
ap-8331	202	2	thermal	thermal	ADJ
ap-8331	202	3	engineering	engineering	NOUN
ap-8331	202	4	128:1102–1115	128:1102–1115	NUM
ap-8331	202	5	,	,	PUNCT
ap-8331	202	6	2018	2018	NUM
ap-8331	202	7	.	.	PUNCT
ap-8331	203	1	https	https	NOUN
ap-8331	203	2	:	:	PUNCT
ap-8331	204	1	//doi.org/10.1016	//doi.org/10.1016	PROPN
ap-8331	204	2	/	/	SYM
ap-8331	204	3	j.applthermaleng.2017.09.026	j.applthermaleng.2017.09.026	PROPN
ap-8331	205	1	[	[	X
ap-8331	205	2	4	4	X
ap-8331	205	3	]	]	PUNCT
ap-8331	205	4	l.	l.	PROPN
ap-8331	205	5	zhang	zhang	PROPN
ap-8331	205	6	,	,	PUNCT
ap-8331	205	7	h.	h.	PROPN
ap-8331	205	8	guo	guo	PROPN
ap-8331	205	9	,	,	PUNCT
ap-8331	205	10	j.	j.	PROPN
ap-8331	205	11	wu	wu	PROPN
ap-8331	205	12	,	,	PUNCT
ap-8331	205	13	w.	w.	PROPN
ap-8331	205	14	du	du	PROPN
ap-8331	205	15	.	.	PROPN
ap-8331	205	16	compound	compound	NOUN
ap-8331	205	17	heat	heat	NOUN
ap-8331	205	18	transfer	transfer	NOUN
ap-8331	205	19	enhancement	enhancement	NOUN
ap-8331	205	20	for	for	ADP
ap-8331	205	21	shell	shell	ADJ
ap-8331	205	22	side	side	NOUN
ap-8331	205	23	of	of	ADP
ap-8331	205	24	double	double	ADJ
ap-8331	205	25	-	-	PUNCT
ap-8331	205	26	pipe	pipe	NOUN
ap-8331	205	27	heat	heat	NOUN
ap-8331	205	28	exchanger	exchanger	NOUN
ap-8331	205	29	by	by	ADP
ap-8331	205	30	helical	helical	ADJ
ap-8331	205	31	fins	fin	NOUN
ap-8331	205	32	and	and	CCONJ
ap-8331	205	33	vortex	vortex	NOUN
ap-8331	205	34	generators	generator	NOUN
ap-8331	205	35	.	.	PUNCT
ap-8331	206	1	heat	heat	NOUN
ap-8331	206	2	and	and	CCONJ
ap-8331	206	3	mass	mass	NOUN
ap-8331	206	4	transfer	transfer	NOUN
ap-8331	206	5	48:1113–1124	48:1113–1124	NUM
ap-8331	206	6	,	,	PUNCT
ap-8331	206	7	2012	2012	NUM
ap-8331	206	8	.	.	PUNCT
ap-8331	207	1	https://doi.org/10.1007/s00231-011-0959-5	https://doi.org/10.1007/s00231-011-0959-5	NUM
ap-8331	208	1	[	[	X
ap-8331	208	2	5	5	NUM
ap-8331	208	3	]	]	PUNCT
ap-8331	208	4	r.	r.	PROPN
ap-8331	208	5	bhadouriya	bhadouriya	PROPN
ap-8331	208	6	,	,	PUNCT
ap-8331	208	7	a.	a.	PROPN
ap-8331	208	8	agrawal	agrawal	PROPN
ap-8331	208	9	,	,	PUNCT
ap-8331	208	10	s.	s.	PROPN
ap-8331	208	11	prabhu	prabhu	PROPN
ap-8331	208	12	.	.	PUNCT
ap-8331	209	1	experimental	experimental	ADJ
ap-8331	209	2	and	and	CCONJ
ap-8331	209	3	numerical	numerical	ADJ
ap-8331	209	4	study	study	NOUN
ap-8331	209	5	of	of	ADP
ap-8331	209	6	fluid	fluid	ADJ
ap-8331	209	7	flow	flow	NOUN
ap-8331	209	8	and	and	CCONJ
ap-8331	209	9	heat	heat	NOUN
ap-8331	209	10	transfer	transfer	NOUN
ap-8331	209	11	in	in	ADP
ap-8331	209	12	an	an	DET
ap-8331	209	13	annulus	annulus	NOUN
ap-8331	209	14	of	of	ADP
ap-8331	209	15	inner	inner	ADJ
ap-8331	209	16	twisted	twisted	ADJ
ap-8331	209	17	square	square	ADJ
ap-8331	209	18	duct	duct	NOUN
ap-8331	209	19	and	and	CCONJ
ap-8331	209	20	outer	outer	ADJ
ap-8331	209	21	circular	circular	ADJ
ap-8331	209	22	pipe	pipe	NOUN
ap-8331	209	23	.	.	PUNCT
ap-8331	210	1	international	international	ADJ
ap-8331	210	2	journal	journal	PROPN
ap-8331	210	3	of	of	ADP
ap-8331	210	4	thermal	thermal	ADJ
ap-8331	210	5	sciences	science	NOUN
ap-8331	210	6	94:96–109	94:96–109	NUM
ap-8331	210	7	,	,	PUNCT
ap-8331	210	8	2015	2015	NUM
ap-8331	210	9	.	.	PUNCT
ap-8331	211	1	https	https	NOUN
ap-8331	211	2	:	:	PUNCT
ap-8331	212	1	//doi.org/10.1016	//doi.org/10.1016	PROPN
ap-8331	212	2	/	/	SYM
ap-8331	212	3	j.ijthermalsci.2015.02.019	j.ijthermalsci.2015.02.019	PROPN
ap-8331	213	1	[	[	X
ap-8331	213	2	6	6	NUM
ap-8331	213	3	]	]	PUNCT
ap-8331	213	4	d.	d.	PROPN
ap-8331	213	5	majidi	majidi	PROPN
ap-8331	213	6	,	,	PUNCT
ap-8331	213	7	h.	h.	PROPN
ap-8331	213	8	alighardashi	alighardashi	PROPN
ap-8331	213	9	,	,	PUNCT
ap-8331	213	10	f.	f.	PROPN
ap-8331	213	11	farhadi	farhadi	PROPN
ap-8331	213	12	.	.	PUNCT
ap-8331	214	1	experimental	experimental	ADJ
ap-8331	214	2	studies	study	NOUN
ap-8331	214	3	of	of	ADP
ap-8331	214	4	heat	heat	NOUN
ap-8331	214	5	transfer	transfer	NOUN
ap-8331	214	6	of	of	ADP
ap-8331	214	7	air	air	NOUN
ap-8331	214	8	in	in	ADP
ap-8331	214	9	a	a	DET
ap-8331	214	10	double	double	ADJ
ap-8331	214	11	-	-	PUNCT
ap-8331	214	12	pipe	pipe	NOUN
ap-8331	214	13	helical	helical	ADJ
ap-8331	214	14	heat	heat	NOUN
ap-8331	214	15	exchanger	exchanger	NOUN
ap-8331	214	16	.	.	PUNCT
ap-8331	215	1	applied	apply	VERB
ap-8331	215	2	thermal	thermal	ADJ
ap-8331	215	3	engineering	engineering	NOUN
ap-8331	215	4	133:276–282	133:276–282	NUM
ap-8331	215	5	,	,	PUNCT
ap-8331	215	6	2018	2018	NUM
ap-8331	215	7	.	.	PUNCT
ap-8331	216	1	https	https	NOUN
ap-8331	216	2	:	:	PUNCT
ap-8331	216	3	//doi.org/10.1016	//doi.org/10.1016	PROPN
ap-8331	216	4	/	/	SYM
ap-8331	216	5	j.applthermaleng.2018.01.057	j.applthermaleng.2018.01.057	NOUN
ap-8331	217	1	[	[	X
ap-8331	217	2	7	7	X
ap-8331	217	3	]	]	X
ap-8331	217	4	w.-l	w.-l	PROPN
ap-8331	217	5	.	.	PUNCT
ap-8331	218	1	chen	chen	PROPN
ap-8331	218	2	,	,	PUNCT
ap-8331	218	3	w.-c	w.-c	PROPN
ap-8331	218	4	.	.	PUNCT
ap-8331	219	1	dung	dung	PROPN
ap-8331	219	2	.	.	PUNCT
ap-8331	220	1	numerical	numerical	PROPN
ap-8331	220	2	study	study	PROPN
ap-8331	220	3	on	on	ADP
ap-8331	220	4	heat	heat	NOUN
ap-8331	220	5	transfer	transfer	NOUN
ap-8331	220	6	characteristics	characteristic	NOUN
ap-8331	220	7	of	of	ADP
ap-8331	220	8	double	double	ADJ
ap-8331	220	9	tube	tube	NOUN
ap-8331	220	10	heat	heat	NOUN
ap-8331	220	11	exchangers	exchanger	NOUN
ap-8331	220	12	with	with	ADP
ap-8331	220	13	alternating	alternate	VERB
ap-8331	220	14	horizontal	horizontal	ADJ
ap-8331	220	15	or	or	CCONJ
ap-8331	220	16	vertical	vertical	ADJ
ap-8331	220	17	oval	oval	NOUN
ap-8331	220	18	cross	cross	PROPN
ap-8331	220	19	section	section	NOUN
ap-8331	220	20	pipes	pipe	NOUN
ap-8331	220	21	as	as	ADP
ap-8331	220	22	inner	inner	ADJ
ap-8331	220	23	tubes	tube	NOUN
ap-8331	220	24	.	.	PUNCT
ap-8331	221	1	energy	energy	NOUN
ap-8331	221	2	conversion	conversion	NOUN
ap-8331	221	3	and	and	CCONJ
ap-8331	221	4	management	management	NOUN
ap-8331	221	5	49(6):1574–1583	49(6):1574–1583	NUM
ap-8331	221	6	,	,	PUNCT
ap-8331	221	7	2008	2008	NUM
ap-8331	221	8	.	.	PUNCT
ap-8331	222	1	https://doi.org/10.1016/j.enconman.2007.12.007	https://doi.org/10.1016/j.enconman.2007.12.007	VERB
ap-8331	222	2	[	[	X
ap-8331	222	3	8	8	NUM
ap-8331	222	4	]	]	PUNCT
ap-8331	222	5	x.	x.	NOUN
ap-8331	222	6	tang	tang	PROPN
ap-8331	222	7	,	,	PUNCT
ap-8331	222	8	x.	x.	PROPN
ap-8331	222	9	dai	dai	PROPN
ap-8331	222	10	,	,	PUNCT
ap-8331	222	11	d.	d.	PROPN
ap-8331	222	12	zhu	zhu	PROPN
ap-8331	222	13	.	.	PUNCT
ap-8331	223	1	experimental	experimental	ADJ
ap-8331	223	2	and	and	CCONJ
ap-8331	223	3	numerical	numerical	ADJ
ap-8331	223	4	investigation	investigation	NOUN
ap-8331	223	5	of	of	ADP
ap-8331	223	6	convective	convective	ADJ
ap-8331	223	7	heat	heat	NOUN
ap-8331	223	8	transfer	transfer	NOUN
ap-8331	223	9	and	and	CCONJ
ap-8331	223	10	fluid	fluid	ADJ
ap-8331	223	11	flow	flow	NOUN
ap-8331	223	12	in	in	ADP
ap-8331	223	13	twisted	twisted	ADJ
ap-8331	223	14	spiral	spiral	ADJ
ap-8331	223	15	tube	tube	NOUN
ap-8331	223	16	.	.	PUNCT
ap-8331	224	1	international	international	ADJ
ap-8331	224	2	journal	journal	PROPN
ap-8331	224	3	of	of	ADP
ap-8331	224	4	heat	heat	NOUN
ap-8331	224	5	and	and	CCONJ
ap-8331	224	6	mass	mass	NOUN
ap-8331	224	7	transfer	transfer	NOUN
ap-8331	224	8	90:523–541	90:523–541	NUM
ap-8331	224	9	,	,	PUNCT
ap-8331	224	10	2015	2015	NUM
ap-8331	224	11	.	.	PUNCT
ap-8331	225	1	https://doi	https://doi	X
ap-8331	225	2	.	.	PUNCT
ap-8331	226	1	org/10.1016	org/10.1016	PROPN
ap-8331	226	2	/	/	SYM
ap-8331	226	3	j.ijheatmasstransfer.2015.06.068	j.ijheatmasstransfer.2015.06.068	CCONJ
ap-8331	227	1	73	73	NUM
ap-8331	227	2	https://doi.org/10.1016/j.applthermaleng.2010.12.035	https://doi.org/10.1016/j.applthermaleng.2010.12.035	ADJ
ap-8331	227	3	https://doi.org/10.1016/j.applthermaleng.2010.12.035	https://doi.org/10.1016/j.applthermaleng.2010.12.035	NOUN
ap-8331	227	4	https://doi.org/10.1016/j.applthermaleng.2016.06.134	https://doi.org/10.1016/j.applthermaleng.2016.06.134	AUX
ap-8331	227	5	https://doi.org/10.1016/j.applthermaleng.2016.06.134	https://doi.org/10.1016/j.applthermaleng.2016.06.134	VERB
ap-8331	227	6	https://doi.org/10.1016/j.applthermaleng.2017.09.026	https://doi.org/10.1016/j.applthermaleng.2017.09.026	PROPN
ap-8331	227	7	https://doi.org/10.1016/j.applthermaleng.2017.09.026	https://doi.org/10.1016/j.applthermaleng.2017.09.026	PROPN
ap-8331	227	8	https://doi.org/10.1007/s00231-011-0959-5	https://doi.org/10.1007/s00231-011-0959-5	NUM
ap-8331	227	9	https://doi.org/10.1016/j.ijthermalsci.2015.02.019	https://doi.org/10.1016/j.ijthermalsci.2015.02.019	PROPN
ap-8331	227	10	https://doi.org/10.1016/j.ijthermalsci.2015.02.019	https://doi.org/10.1016/j.ijthermalsci.2015.02.019	PROPN
ap-8331	227	11	https://doi.org/10.1016/j.applthermaleng.2018.01.057	https://doi.org/10.1016/j.applthermaleng.2018.01.057	PROPN
ap-8331	227	12	https://doi.org/10.1016/j.applthermaleng.2018.01.057	https://doi.org/10.1016/j.applthermaleng.2018.01.057	PROPN
ap-8331	227	13	https://doi.org/10.1016/j.enconman.2007.12.007	https://doi.org/10.1016/j.enconman.2007.12.007	PROPN
ap-8331	227	14	https://doi.org/10.1016/j.ijheatmasstransfer.2015.06.068	https://doi.org/10.1016/j.ijheatmasstransfer.2015.06.068	PROPN
ap-8331	227	15	https://doi.org/10.1016/j.ijheatmasstransfer.2015.06.068	https://doi.org/10.1016/j.ijheatmasstransfer.2015.06.068	PROPN
ap-8331	227	16	b.	b.	PROPN
ap-8331	227	17	vijayaragavan	vijayaragavan	NOUN
ap-8331	227	18	,	,	PUNCT
ap-8331	227	19	s.	s.	PROPN
ap-8331	227	20	p.	p.	PROPN
ap-8331	227	21	asok	asok	PROPN
ap-8331	227	22	,	,	PUNCT
ap-8331	227	23	c.	c.	PROPN
ap-8331	227	24	r.	r.	PROPN
ap-8331	227	25	shakthi	shakthi	PROPN
ap-8331	227	26	ganesh	ganesh	PROPN
ap-8331	227	27	acta	acta	PROPN
ap-8331	227	28	polytechnica	polytechnica	PROPN
ap-8331	228	1	[	[	X
ap-8331	228	2	9	9	NUM
ap-8331	228	3	]	]	PUNCT
ap-8331	228	4	w.	w.	PROPN
ap-8331	228	5	el	el	PROPN
ap-8331	228	6	-	-	NOUN
ap-8331	228	7	maghlany	maghlany	NOUN
ap-8331	228	8	,	,	PUNCT
ap-8331	228	9	e.	e.	PROPN
ap-8331	228	10	eid	eid	PROPN
ap-8331	228	11	,	,	PUNCT
ap-8331	228	12	m.	m.	NOUN
ap-8331	228	13	teamah	teamah	PROPN
ap-8331	228	14	,	,	PUNCT
ap-8331	228	15	i.	i.	PROPN
ap-8331	228	16	shahrour	shahrour	PROPN
ap-8331	228	17	.	.	PUNCT
ap-8331	229	1	experimental	experimental	ADJ
ap-8331	229	2	study	study	NOUN
ap-8331	229	3	for	for	ADP
ap-8331	229	4	double	double	ADJ
ap-8331	229	5	pipe	pipe	NOUN
ap-8331	229	6	heat	heat	NOUN
ap-8331	229	7	exchanger	exchanger	NOUN
ap-8331	229	8	with	with	ADP
ap-8331	229	9	rotating	rotate	VERB
ap-8331	229	10	inner	inner	ADJ
ap-8331	229	11	pipe	pipe	NOUN
ap-8331	229	12	.	.	PUNCT
ap-8331	230	1	international	international	ADJ
ap-8331	230	2	journal	journal	NOUN
ap-8331	230	3	of	of	ADP
ap-8331	230	4	advanced	advanced	ADJ
ap-8331	230	5	scientific	scientific	ADJ
ap-8331	230	6	and	and	CCONJ
ap-8331	230	7	technical	technical	ADJ
ap-8331	230	8	research	research	NOUN
ap-8331	230	9	4(2):507–527	4(2):507–527	NOUN
ap-8331	230	10	,	,	PUNCT
ap-8331	230	11	2012	2012	NUM
ap-8331	230	12	.	.	PUNCT
ap-8331	231	1	[	[	X
ap-8331	231	2	10	10	NUM
ap-8331	231	3	]	]	X
ap-8331	231	4	e.	e.	PROPN
ap-8331	231	5	ozden	ozden	PROPN
ap-8331	231	6	,	,	PUNCT
ap-8331	231	7	i.	i.	PROPN
ap-8331	231	8	tari	tari	PROPN
ap-8331	231	9	.	.	PROPN
ap-8331	231	10	shell	shell	PROPN
ap-8331	231	11	side	side	NOUN
ap-8331	231	12	cfd	cfd	NOUN
ap-8331	231	13	analysis	analysis	NOUN
ap-8331	231	14	of	of	ADP
ap-8331	231	15	a	a	DET
ap-8331	231	16	small	small	ADJ
ap-8331	231	17	shell	shell	NOUN
ap-8331	231	18	-	-	PUNCT
ap-8331	231	19	and	and	CCONJ
ap-8331	231	20	-	-	PUNCT
ap-8331	231	21	tube	tube	NOUN
ap-8331	231	22	heat	heat	NOUN
ap-8331	231	23	exchanger	exchanger	NOUN
ap-8331	231	24	.	.	PUNCT
ap-8331	232	1	energy	energy	NOUN
ap-8331	232	2	conversion	conversion	NOUN
ap-8331	232	3	and	and	CCONJ
ap-8331	232	4	management	management	NOUN
ap-8331	232	5	51(5):1004–1014	51(5):1004–1014	NUM
ap-8331	232	6	,	,	PUNCT
ap-8331	232	7	2010	2010	NUM
ap-8331	232	8	.	.	PUNCT
ap-8331	233	1	https://doi.org/10.1016/j.enconman.2009.12.003	https://doi.org/10.1016/j.enconman.2009.12.003	NOUN
ap-8331	233	2	[	[	PUNCT
ap-8331	233	3	11	11	NUM
ap-8331	233	4	]	]	PUNCT
ap-8331	233	5	a.	a.	PROPN
ap-8331	233	6	k.	k.	PROPN
ap-8331	233	7	agrawal	agrawal	PROPN
ap-8331	233	8	,	,	PUNCT
ap-8331	233	9	s.	s.	PROPN
ap-8331	233	10	sengupta	sengupta	PROPN
ap-8331	233	11	.	.	PUNCT
ap-8331	234	1	laminar	laminar	ADJ
ap-8331	234	2	fluid	fluid	NOUN
ap-8331	234	3	flow	flow	NOUN
ap-8331	234	4	and	and	CCONJ
ap-8331	234	5	heat	heat	NOUN
ap-8331	234	6	transfer	transfer	NOUN
ap-8331	234	7	in	in	ADP
ap-8331	234	8	an	an	DET
ap-8331	234	9	annulus	annulus	NOUN
ap-8331	234	10	with	with	ADP
ap-8331	234	11	an	an	DET
ap-8331	234	12	externally	externally	ADV
ap-8331	234	13	enhanced	enhance	VERB
ap-8331	234	14	inner	inner	ADJ
ap-8331	234	15	tube	tube	NOUN
ap-8331	234	16	.	.	PUNCT
ap-8331	235	1	international	international	ADJ
ap-8331	235	2	journal	journal	PROPN
ap-8331	235	3	of	of	ADP
ap-8331	235	4	heat	heat	NOUN
ap-8331	235	5	and	and	CCONJ
ap-8331	235	6	fluid	fluid	ADJ
ap-8331	235	7	flow	flow	NOUN
ap-8331	235	8	14(1):54–63	14(1):54–63	NUM
ap-8331	235	9	,	,	PUNCT
ap-8331	235	10	1993	1993	NUM
ap-8331	235	11	.	.	PUNCT
ap-8331	236	1	https://doi.org/10.1016/0142-727x(93)90040-t	https://doi.org/10.1016/0142-727x(93)90040-t	ADJ
ap-8331	237	1	[	[	X
ap-8331	237	2	12	12	NUM
ap-8331	237	3	]	]	PUNCT
ap-8331	237	4	j.	j.	PROPN
ap-8331	237	5	taborek	taborek	PROPN
ap-8331	237	6	.	.	PUNCT
ap-8331	238	1	double	double	ADJ
ap-8331	238	2	-	-	PUNCT
ap-8331	238	3	pipe	pipe	NOUN
ap-8331	238	4	and	and	CCONJ
ap-8331	238	5	multitube	multitube	NOUN
ap-8331	238	6	heat	heat	NOUN
ap-8331	238	7	exchangers	exchanger	NOUN
ap-8331	238	8	with	with	ADP
ap-8331	238	9	plain	plain	ADJ
ap-8331	238	10	and	and	CCONJ
ap-8331	238	11	longitudinal	longitudinal	ADJ
ap-8331	238	12	finned	finned	ADJ
ap-8331	238	13	tubes	tube	NOUN
ap-8331	238	14	.	.	PUNCT
ap-8331	239	1	heat	heat	NOUN
ap-8331	239	2	transfer	transfer	NOUN
ap-8331	239	3	engineering	engineering	NOUN
ap-8331	239	4	18(2):34–45	18(2):34–45	NUM
ap-8331	239	5	,	,	PUNCT
ap-8331	239	6	1997	1997	NUM
ap-8331	239	7	.	.	PUNCT
ap-8331	239	8	https://doi.org/10.1080/01457639708939894	https://doi.org/10.1080/01457639708939894	PROPN
ap-8331	240	1	[	[	X
ap-8331	240	2	13	13	NUM
ap-8331	240	3	]	]	X
ap-8331	240	4	r.	r.	PROPN
ap-8331	240	5	raj	raj	PROPN
ap-8331	240	6	,	,	PUNCT
ap-8331	240	7	n.	n.	PROPN
ap-8331	240	8	s.	s.	PROPN
ap-8331	240	9	lakshman	lakshman	PROPN
ap-8331	240	10	,	,	PUNCT
ap-8331	240	11	y.	y.	PROPN
ap-8331	240	12	mukkamala	mukkamala	PROPN
ap-8331	240	13	.	.	PUNCT
ap-8331	241	1	single	single	ADJ
ap-8331	241	2	phase	phase	NOUN
ap-8331	241	3	flow	flow	NOUN
ap-8331	241	4	heat	heat	NOUN
ap-8331	241	5	transfer	transfer	NOUN
ap-8331	241	6	and	and	CCONJ
ap-8331	241	7	pressure	pressure	NOUN
ap-8331	241	8	drop	drop	NOUN
ap-8331	241	9	measurements	measurement	NOUN
ap-8331	241	10	in	in	ADP
ap-8331	241	11	doubly	doubly	ADV
ap-8331	241	12	enhanced	enhance	VERB
ap-8331	241	13	tubes	tube	NOUN
ap-8331	241	14	.	.	PUNCT
ap-8331	242	1	international	international	ADJ
ap-8331	242	2	journal	journal	PROPN
ap-8331	242	3	of	of	ADP
ap-8331	242	4	thermal	thermal	ADJ
ap-8331	242	5	sciences	science	NOUN
ap-8331	242	6	88:215–227	88:215–227	PROPN
ap-8331	242	7	,	,	PUNCT
ap-8331	242	8	2015	2015	NUM
ap-8331	242	9	.	.	PUNCT
ap-8331	243	1	https	https	NOUN
ap-8331	243	2	:	:	PUNCT
ap-8331	244	1	//doi.org/10.1016	//doi.org/10.1016	PROPN
ap-8331	244	2	/	/	SYM
ap-8331	244	3	j.ijthermalsci.2014.10.004	j.ijthermalsci.2014.10.004	X
ap-8331	244	4	[	[	X
ap-8331	244	5	14	14	NUM
ap-8331	244	6	]	]	PUNCT
ap-8331	244	7	s.	s.	PROPN
ap-8331	244	8	p.	p.	PROPN
ap-8331	244	9	asok	asok	PROPN
ap-8331	244	10	,	,	PUNCT
ap-8331	244	11	k.	k.	PROPN
ap-8331	244	12	sankaranarayanasamy	sankaranarayanasamy	PROPN
ap-8331	244	13	,	,	PUNCT
ap-8331	244	14	t.	t.	NOUN
ap-8331	244	15	sundararajan	sundararajan	NOUN
ap-8331	244	16	,	,	PUNCT
ap-8331	244	17	et	et	PROPN
ap-8331	244	18	al	al	PROPN
ap-8331	244	19	.	.	PUNCT
ap-8331	245	1	pressure	pressure	NOUN
ap-8331	245	2	drop	drop	NOUN
ap-8331	245	3	characteristics	characteristic	NOUN
ap-8331	245	4	of	of	ADP
ap-8331	245	5	water	water	NOUN
ap-8331	245	6	flow	flow	NOUN
ap-8331	245	7	through	through	ADP
ap-8331	245	8	static	static	ADJ
ap-8331	245	9	annular	annular	ADJ
ap-8331	245	10	and	and	CCONJ
ap-8331	245	11	triangular	triangular	NOUN
ap-8331	245	12	cavity	cavity	NOUN
ap-8331	245	13	labyrinth	labyrinth	ADJ
ap-8331	245	14	seals	seal	NOUN
ap-8331	245	15	.	.	PUNCT
ap-8331	246	1	engineering	engineering	NOUN
ap-8331	246	2	applications	application	NOUN
ap-8331	246	3	of	of	ADP
ap-8331	246	4	computational	computational	ADJ
ap-8331	246	5	fluid	fluid	ADJ
ap-8331	246	6	mechanics	mechanic	NOUN
ap-8331	246	7	2(4):482–495	2(4):482–495	NUM
ap-8331	246	8	,	,	PUNCT
ap-8331	246	9	2008	2008	NUM
ap-8331	246	10	.	.	PUNCT
ap-8331	247	1	https://doi.org/10.1080/19942060.2008.11015246	https://doi.org/10.1080/19942060.2008.11015246	PROPN
ap-8331	248	1	[	[	X
ap-8331	248	2	15	15	NUM
ap-8331	248	3	]	]	X
ap-8331	248	4	s.	s.	PROPN
ap-8331	248	5	eiamsa	eiamsa	PROPN
ap-8331	248	6	-	-	PUNCT
ap-8331	248	7	ard	ard	PROPN
ap-8331	248	8	,	,	PUNCT
ap-8331	248	9	s.	s.	PROPN
ap-8331	248	10	pethkool	pethkool	PROPN
ap-8331	248	11	,	,	PUNCT
ap-8331	248	12	c.	c.	PROPN
ap-8331	248	13	thianpong	thianpong	PROPN
ap-8331	248	14	,	,	PUNCT
ap-8331	248	15	p.	p.	PROPN
ap-8331	248	16	promvonge	promvonge	NOUN
ap-8331	248	17	.	.	PUNCT
ap-8331	249	1	turbulent	turbulent	ADJ
ap-8331	249	2	flow	flow	NOUN
ap-8331	249	3	heat	heat	NOUN
ap-8331	249	4	transfer	transfer	NOUN
ap-8331	249	5	and	and	CCONJ
ap-8331	249	6	pressure	pressure	NOUN
ap-8331	249	7	loss	loss	NOUN
ap-8331	249	8	in	in	ADP
ap-8331	249	9	a	a	DET
ap-8331	249	10	double	double	ADJ
ap-8331	249	11	pipe	pipe	NOUN
ap-8331	249	12	heat	heat	NOUN
ap-8331	249	13	exchanger	exchanger	NOUN
ap-8331	249	14	with	with	ADP
ap-8331	249	15	louvered	louvere	VERB
ap-8331	249	16	strip	strip	NOUN
ap-8331	249	17	inserts	insert	NOUN
ap-8331	249	18	.	.	PUNCT
ap-8331	250	1	international	international	ADJ
ap-8331	250	2	communications	communication	NOUN
ap-8331	250	3	in	in	ADP
ap-8331	250	4	heat	heat	NOUN
ap-8331	250	5	and	and	CCONJ
ap-8331	250	6	mass	mass	NOUN
ap-8331	250	7	transfer	transfer	NOUN
ap-8331	250	8	35(2):120–129	35(2):120–129	PROPN
ap-8331	250	9	,	,	PUNCT
ap-8331	250	10	2008	2008	NUM
ap-8331	250	11	.	.	PUNCT
ap-8331	251	1	https://doi.org/	https://doi.org/	VERB
ap-8331	251	2	10.1016	10.1016	NUM
ap-8331	251	3	/	/	SYM
ap-8331	251	4	j.icheatmasstransfer.2007.07.003	j.icheatmasstransfer.2007.07.003	PROPN
ap-8331	252	1	[	[	X
ap-8331	252	2	16	16	NUM
ap-8331	252	3	]	]	PUNCT
ap-8331	252	4	m.	m.	NOUN
ap-8331	252	5	m.	m.	NOUN
ap-8331	252	6	aslam	aslam	PROPN
ap-8331	252	7	bhutta	bhutta	PROPN
ap-8331	252	8	,	,	PUNCT
ap-8331	252	9	n.	n.	PROPN
ap-8331	252	10	hayat	hayat	PROPN
ap-8331	252	11	,	,	PUNCT
ap-8331	252	12	m.	m.	NOUN
ap-8331	252	13	h.	h.	PROPN
ap-8331	252	14	bashir	bashir	PROPN
ap-8331	252	15	,	,	PUNCT
ap-8331	252	16	et	et	PROPN
ap-8331	252	17	al	al	PROPN
ap-8331	252	18	.	.	PUNCT
ap-8331	253	1	cfd	cfd	NOUN
ap-8331	253	2	applications	application	NOUN
ap-8331	253	3	in	in	ADP
ap-8331	253	4	various	various	ADJ
ap-8331	253	5	heat	heat	NOUN
ap-8331	253	6	exchangers	exchanger	NOUN
ap-8331	253	7	design	design	NOUN
ap-8331	253	8	:	:	PUNCT
ap-8331	253	9	a	a	DET
ap-8331	253	10	review	review	NOUN
ap-8331	253	11	.	.	PUNCT
ap-8331	254	1	applied	apply	VERB
ap-8331	254	2	thermal	thermal	ADJ
ap-8331	254	3	engineering	engineering	NOUN
ap-8331	254	4	32:1–12	32:1–12	NUM
ap-8331	254	5	,	,	PUNCT
ap-8331	254	6	2012	2012	NUM
ap-8331	254	7	.	.	PUNCT
ap-8331	255	1	https	https	NOUN
ap-8331	255	2	:	:	PUNCT
ap-8331	255	3	//doi.org/10.1016	//doi.org/10.1016	PROPN
ap-8331	255	4	/	/	SYM
ap-8331	255	5	j.applthermaleng.2011.09.001	j.applthermaleng.2011.09.001	PROPN
ap-8331	256	1	[	[	X
ap-8331	256	2	17	17	NUM
ap-8331	256	3	]	]	X
ap-8331	256	4	c.	c.	PROPN
ap-8331	256	5	v.	v.	PROPN
ap-8331	256	6	m.	m.	PROPN
ap-8331	256	7	braga	braga	PROPN
ap-8331	256	8	,	,	PUNCT
ap-8331	256	9	f.	f.	PROPN
ap-8331	256	10	e.	e.	PROPN
ap-8331	256	11	m.	m.	PROPN
ap-8331	256	12	saboya	saboya	PROPN
ap-8331	256	13	.	.	PUNCT
ap-8331	257	1	turbulent	turbulent	ADJ
ap-8331	257	2	heat	heat	NOUN
ap-8331	257	3	transfer	transfer	NOUN
ap-8331	257	4	,	,	PUNCT
ap-8331	257	5	pressure	pressure	NOUN
ap-8331	257	6	drop	drop	NOUN
ap-8331	257	7	and	and	CCONJ
ap-8331	257	8	fin	fin	NOUN
ap-8331	257	9	efficiency	efficiency	NOUN
ap-8331	257	10	in	in	ADP
ap-8331	257	11	annular	annular	ADJ
ap-8331	257	12	regions	region	NOUN
ap-8331	257	13	with	with	ADP
ap-8331	257	14	continuous	continuous	ADJ
ap-8331	257	15	longitudinal	longitudinal	ADJ
ap-8331	257	16	rectangular	rectangular	ADJ
ap-8331	257	17	fins	fin	NOUN
ap-8331	257	18	.	.	PUNCT
ap-8331	258	1	experimental	experimental	ADJ
ap-8331	258	2	thermal	thermal	ADJ
ap-8331	258	3	and	and	CCONJ
ap-8331	258	4	fluid	fluid	ADJ
ap-8331	258	5	science	science	NOUN
ap-8331	258	6	20(2):55–65	20(2):55–65	NUM
ap-8331	258	7	,	,	PUNCT
ap-8331	258	8	1999	1999	NUM
ap-8331	258	9	.	.	PUNCT
ap-8331	259	1	https://doi.org/10.1016/s0894-1777(99)00026-6	https://doi.org/10.1016/s0894-1777(99)00026-6	NOUN
ap-8331	260	1	[	[	X
ap-8331	260	2	18	18	NUM
ap-8331	260	3	]	]	X
ap-8331	260	4	l.	l.	PROPN
ap-8331	260	5	sun	sun	PROPN
ap-8331	260	6	,	,	PUNCT
ap-8331	260	7	c.-l	c.-l	PROPN
ap-8331	260	8	.	.	PUNCT
ap-8331	261	1	zhang	zhang	PROPN
ap-8331	261	2	.	.	PUNCT
ap-8331	261	3	evaluation	evaluation	NOUN
ap-8331	261	4	of	of	ADP
ap-8331	261	5	elliptical	elliptical	ADJ
ap-8331	261	6	finned	finned	ADJ
ap-8331	261	7	-	-	PUNCT
ap-8331	261	8	tube	tube	NOUN
ap-8331	261	9	heat	heat	NOUN
ap-8331	261	10	exchanger	exchanger	NOUN
ap-8331	261	11	performance	performance	NOUN
ap-8331	261	12	using	use	VERB
ap-8331	261	13	cfd	cfd	NOUN
ap-8331	261	14	and	and	CCONJ
ap-8331	261	15	response	response	NOUN
ap-8331	261	16	surface	surface	NOUN
ap-8331	261	17	methodology	methodology	NOUN
ap-8331	261	18	.	.	PUNCT
ap-8331	262	1	international	international	ADJ
ap-8331	262	2	journal	journal	PROPN
ap-8331	262	3	of	of	ADP
ap-8331	262	4	thermal	thermal	ADJ
ap-8331	262	5	sciences	science	NOUN
ap-8331	262	6	75:45–53	75:45–53	NUM
ap-8331	262	7	,	,	PUNCT
ap-8331	262	8	2014	2014	NUM
ap-8331	262	9	.	.	PUNCT
ap-8331	263	1	https	https	NOUN
ap-8331	263	2	:	:	PUNCT
ap-8331	263	3	//doi.org/10.1016	//doi.org/10.1016	PROPN
ap-8331	263	4	/	/	SYM
ap-8331	263	5	j.ijthermalsci.2013.07.021	j.ijthermalsci.2013.07.021	PROPN
ap-8331	264	1	[	[	X
ap-8331	264	2	19	19	NUM
ap-8331	264	3	]	]	X
ap-8331	264	4	h.	h.	PROPN
ap-8331	264	5	huisseune	huisseune	PROPN
ap-8331	264	6	,	,	PUNCT
ap-8331	264	7	s.	s.	PROPN
ap-8331	264	8	de	de	PROPN
ap-8331	264	9	schampheleire	schampheleire	PROPN
ap-8331	264	10	,	,	PUNCT
ap-8331	264	11	b.	b.	PROPN
ap-8331	264	12	ameel	ameel	PROPN
ap-8331	264	13	,	,	PUNCT
ap-8331	264	14	m.	m.	NOUN
ap-8331	264	15	de	de	X
ap-8331	264	16	paepe	paepe	PROPN
ap-8331	264	17	.	.	PUNCT
ap-8331	265	1	comparison	comparison	NOUN
ap-8331	265	2	of	of	ADP
ap-8331	265	3	metal	metal	NOUN
ap-8331	265	4	foam	foam	NOUN
ap-8331	265	5	heat	heat	NOUN
ap-8331	265	6	exchangers	exchanger	NOUN
ap-8331	265	7	to	to	ADP
ap-8331	265	8	a	a	DET
ap-8331	265	9	finned	finned	ADJ
ap-8331	265	10	heat	heat	NOUN
ap-8331	265	11	exchanger	exchanger	NOUN
ap-8331	265	12	for	for	ADP
ap-8331	265	13	low	low	ADJ
ap-8331	265	14	reynolds	reynold	NOUN
ap-8331	265	15	number	number	NOUN
ap-8331	265	16	applications	application	NOUN
ap-8331	265	17	.	.	PUNCT
ap-8331	266	1	international	international	ADJ
ap-8331	266	2	journal	journal	PROPN
ap-8331	266	3	of	of	ADP
ap-8331	266	4	heat	heat	NOUN
ap-8331	266	5	and	and	CCONJ
ap-8331	266	6	mass	mass	NOUN
ap-8331	266	7	transfer	transfer	NOUN
ap-8331	266	8	89:1–9	89:1–9	NUM
ap-8331	266	9	,	,	PUNCT
ap-8331	266	10	2015	2015	NUM
ap-8331	266	11	.	.	PUNCT
ap-8331	267	1	https://doi.org/10.1016/j	https://doi.org/10.1016/j	NOUN
ap-8331	267	2	.	.	PUNCT
ap-8331	267	3	ijheatmasstransfer.2015.05.013	ijheatmasstransfer.2015.05.013	PUNCT
ap-8331	268	1	[	[	X
ap-8331	268	2	20	20	NUM
ap-8331	268	3	]	]	PUNCT
ap-8331	268	4	m.	m.	NOUN
ap-8331	268	5	i.	i.	PROPN
ap-8331	268	6	kim	kim	PROPN
ap-8331	268	7	,	,	PUNCT
ap-8331	268	8	y.	y.	PROPN
ap-8331	268	9	lee	lee	PROPN
ap-8331	268	10	,	,	PUNCT
ap-8331	268	11	b.-w	b.-w	PROPN
ap-8331	268	12	.	.	PUNCT
ap-8331	269	1	kim	kim	PROPN
ap-8331	269	2	,	,	PUNCT
ap-8331	269	3	et	et	PROPN
ap-8331	269	4	al	al	PROPN
ap-8331	269	5	.	.	PUNCT
ap-8331	269	6	cfd	cfd	PROPN
ap-8331	269	7	modeling	modeling	NOUN
ap-8331	269	8	of	of	ADP
ap-8331	269	9	shell	shell	NOUN
ap-8331	269	10	-	-	PUNCT
ap-8331	269	11	and	and	CCONJ
ap-8331	269	12	-	-	PUNCT
ap-8331	269	13	tube	tube	NOUN
ap-8331	269	14	heat	heat	NOUN
ap-8331	269	15	exchanger	exchanger	NOUN
ap-8331	269	16	header	header	NOUN
ap-8331	269	17	for	for	ADP
ap-8331	269	18	uniform	uniform	ADJ
ap-8331	269	19	distribution	distribution	NOUN
ap-8331	269	20	among	among	ADP
ap-8331	269	21	tubes	tube	NOUN
ap-8331	269	22	.	.	PUNCT
ap-8331	270	1	korean	korean	ADJ
ap-8331	270	2	journal	journal	PROPN
ap-8331	270	3	of	of	ADP
ap-8331	270	4	chemical	chemical	PROPN
ap-8331	270	5	engineering	engineering	PROPN
ap-8331	270	6	26:359–363	26:359–363	NUM
ap-8331	270	7	,	,	PUNCT
ap-8331	270	8	2009	2009	NUM
ap-8331	270	9	.	.	PUNCT
ap-8331	271	1	https://doi.org/10.1007/s11814-009-0060-7	https://doi.org/10.1007/s11814-009-0060-7	PROPN
ap-8331	272	1	[	[	X
ap-8331	272	2	21	21	NUM
ap-8331	272	3	]	]	X
ap-8331	272	4	h.	h.	PROPN
ap-8331	272	5	nemati	nemati	PROPN
ap-8331	272	6	,	,	PUNCT
ap-8331	272	7	m.	m.	NOUN
ap-8331	272	8	a.	a.	PROPN
ap-8331	272	9	moghimi	moghimi	PROPN
ap-8331	272	10	.	.	PUNCT
ap-8331	273	1	numerical	numerical	PROPN
ap-8331	273	2	study	study	PROPN
ap-8331	273	3	of	of	ADP
ap-8331	273	4	flow	flow	NOUN
ap-8331	273	5	over	over	ADP
ap-8331	273	6	annular	annular	ADJ
ap-8331	273	7	-	-	PUNCT
ap-8331	273	8	finned	finned	ADJ
ap-8331	273	9	tube	tube	NOUN
ap-8331	273	10	heat	heat	NOUN
ap-8331	273	11	exchangers	exchanger	NOUN
ap-8331	273	12	by	by	ADP
ap-8331	273	13	different	different	ADJ
ap-8331	273	14	turbulent	turbulent	ADJ
ap-8331	273	15	models	model	NOUN
ap-8331	273	16	.	.	PUNCT
ap-8331	274	1	cfd	cfd	NOUN
ap-8331	274	2	letters	letter	NOUN
ap-8331	274	3	6(3):101–112	6(3):101–112	PROPN
ap-8331	274	4	,	,	PUNCT
ap-8331	274	5	2014	2014	NUM
ap-8331	274	6	.	.	PUNCT
ap-8331	275	1	[	[	X
ap-8331	275	2	22	22	NUM
ap-8331	275	3	]	]	PUNCT
ap-8331	275	4	t.	t.	PROPN
ap-8331	275	5	j.	j.	PROPN
ap-8331	275	6	rennie	rennie	PROPN
ap-8331	275	7	,	,	PUNCT
ap-8331	275	8	v.	v.	PROPN
ap-8331	275	9	g.	g.	PROPN
ap-8331	275	10	s.	s.	PROPN
ap-8331	275	11	raghavan	raghavan	PROPN
ap-8331	275	12	.	.	PUNCT
ap-8331	276	1	experimental	experimental	ADJ
ap-8331	276	2	studies	study	NOUN
ap-8331	276	3	of	of	ADP
ap-8331	276	4	a	a	DET
ap-8331	276	5	double	double	ADJ
ap-8331	276	6	-	-	PUNCT
ap-8331	276	7	pipe	pipe	NOUN
ap-8331	276	8	helical	helical	ADJ
ap-8331	276	9	heat	heat	NOUN
ap-8331	276	10	exchanger	exchanger	NOUN
ap-8331	276	11	.	.	PUNCT
ap-8331	277	1	experimental	experimental	ADJ
ap-8331	277	2	thermal	thermal	ADJ
ap-8331	277	3	and	and	CCONJ
ap-8331	277	4	fluid	fluid	ADJ
ap-8331	277	5	science	science	NOUN
ap-8331	277	6	29(8):919–924	29(8):919–924	PROPN
ap-8331	277	7	,	,	PUNCT
ap-8331	277	8	2005	2005	NUM
ap-8331	277	9	.	.	PUNCT
ap-8331	278	1	https	https	NOUN
ap-8331	278	2	:	:	PUNCT
ap-8331	279	1	//doi.org/10.1016	//doi.org/10.1016	PROPN
ap-8331	279	2	/	/	SYM
ap-8331	279	3	j.expthermflusci.2005.02.001	j.expthermflusci.2005.02.001	X
ap-8331	280	1	[	[	X
ap-8331	280	2	23	23	NUM
ap-8331	280	3	]	]	PUNCT
ap-8331	280	4	t.	t.	PROPN
ap-8331	280	5	maré	maré	PROPN
ap-8331	280	6	,	,	PUNCT
ap-8331	280	7	n.	n.	PROPN
ap-8331	280	8	galanis	galanis	PROPN
ap-8331	280	9	,	,	PUNCT
ap-8331	280	10	i.	i.	PROPN
ap-8331	280	11	voicu	voicu	PROPN
ap-8331	280	12	,	,	PUNCT
ap-8331	280	13	et	et	PROPN
ap-8331	280	14	al	al	PROPN
ap-8331	280	15	.	.	PROPN
ap-8331	280	16	experimental	experimental	PROPN
ap-8331	280	17	and	and	CCONJ
ap-8331	280	18	numerical	numerical	ADJ
ap-8331	280	19	study	study	NOUN
ap-8331	280	20	of	of	ADP
ap-8331	280	21	mixed	mixed	ADJ
ap-8331	280	22	convection	convection	NOUN
ap-8331	280	23	with	with	ADP
ap-8331	280	24	flow	flow	NOUN
ap-8331	280	25	reversal	reversal	NOUN
ap-8331	280	26	in	in	ADP
ap-8331	280	27	coaxial	coaxial	ADJ
ap-8331	280	28	double	double	ADJ
ap-8331	280	29	-	-	PUNCT
ap-8331	280	30	duct	duct	NOUN
ap-8331	280	31	heat	heat	NOUN
ap-8331	280	32	exchangers	exchanger	NOUN
ap-8331	280	33	.	.	PUNCT
ap-8331	281	1	experimental	experimental	ADJ
ap-8331	281	2	thermal	thermal	ADJ
ap-8331	281	3	and	and	CCONJ
ap-8331	281	4	fluid	fluid	ADJ
ap-8331	281	5	science	science	NOUN
ap-8331	281	6	32(5):1096–1104	32(5):1096–1104	PROPN
ap-8331	281	7	,	,	PUNCT
ap-8331	281	8	2008	2008	NUM
ap-8331	281	9	.	.	PUNCT
ap-8331	282	1	https	https	NOUN
ap-8331	282	2	:	:	PUNCT
ap-8331	283	1	//doi.org/10.1016	//doi.org/10.1016	PROPN
ap-8331	283	2	/	/	SYM
ap-8331	283	3	j.expthermflusci.2008.01.002	j.expthermflusci.2008.01.002	NOUN
ap-8331	284	1	[	[	X
ap-8331	284	2	24	24	NUM
ap-8331	284	3	]	]	X
ap-8331	284	4	s.	s.	PROPN
ap-8331	284	5	freund	freund	PROPN
ap-8331	284	6	,	,	PUNCT
ap-8331	284	7	s.	s.	PROPN
ap-8331	284	8	kabelac	kabelac	PROPN
ap-8331	284	9	.	.	PUNCT
ap-8331	285	1	investigation	investigation	NOUN
ap-8331	285	2	of	of	ADP
ap-8331	285	3	local	local	ADJ
ap-8331	285	4	heat	heat	NOUN
ap-8331	285	5	transfer	transfer	NOUN
ap-8331	285	6	coefficients	coefficient	NOUN
ap-8331	285	7	in	in	ADP
ap-8331	285	8	plate	plate	NOUN
ap-8331	285	9	heat	heat	NOUN
ap-8331	285	10	exchangers	exchanger	NOUN
ap-8331	285	11	with	with	ADP
ap-8331	285	12	temperature	temperature	NOUN
ap-8331	285	13	oscillation	oscillation	NOUN
ap-8331	285	14	ir	ir	NOUN
ap-8331	285	15	thermography	thermography	NOUN
ap-8331	285	16	and	and	CCONJ
ap-8331	285	17	cfd	cfd	NOUN
ap-8331	285	18	.	.	PUNCT
ap-8331	286	1	international	international	ADJ
ap-8331	286	2	journal	journal	PROPN
ap-8331	286	3	of	of	ADP
ap-8331	286	4	heat	heat	NOUN
ap-8331	286	5	and	and	CCONJ
ap-8331	286	6	mass	mass	NOUN
ap-8331	286	7	transfer	transfer	NOUN
ap-8331	286	8	53(19	53(19	NUM
ap-8331	286	9	-	-	PUNCT
ap-8331	286	10	20):3764–3781	20):3764–3781	PROPN
ap-8331	286	11	,	,	PUNCT
ap-8331	286	12	2010	2010	NUM
ap-8331	286	13	.	.	PUNCT
ap-8331	287	1	https://doi.org/10.1016/	https://doi.org/10.1016/	PROPN
ap-8331	287	2	j.ijheatmasstransfer.2010.04.027	j.ijheatmasstransfer.2010.04.027	PROPN
ap-8331	287	3	74	74	NUM
ap-8331	287	4	https://doi.org/10.1016/j.enconman.2009.12.003	https://doi.org/10.1016/j.enconman.2009.12.003	PROPN
ap-8331	287	5	https://doi.org/10.1016/0142-727x(93)90040-t	https://doi.org/10.1016/0142-727x(93)90040-t	ADJ
ap-8331	287	6	https://doi.org/10.1080/01457639708939894	https://doi.org/10.1080/01457639708939894	ADJ
ap-8331	287	7	https://doi.org/10.1016/j.ijthermalsci.2014.10.004	https://doi.org/10.1016/j.ijthermalsci.2014.10.004	ADJ
ap-8331	287	8	https://doi.org/10.1016/j.ijthermalsci.2014.10.004	https://doi.org/10.1016/j.ijthermalsci.2014.10.004	NOUN
ap-8331	287	9	https://doi.org/10.1080/19942060.2008.11015246	https://doi.org/10.1080/19942060.2008.11015246	ADP
ap-8331	287	10	https://doi.org/10.1016/j.icheatmasstransfer.2007.07.003	https://doi.org/10.1016/j.icheatmasstransfer.2007.07.003	NOUN
ap-8331	287	11	https://doi.org/10.1016/j.icheatmasstransfer.2007.07.003	https://doi.org/10.1016/j.icheatmasstransfer.2007.07.003	PROPN
ap-8331	287	12	https://doi.org/10.1016/j.applthermaleng.2011.09.001	https://doi.org/10.1016/j.applthermaleng.2011.09.001	VERB
ap-8331	287	13	https://doi.org/10.1016/j.applthermaleng.2011.09.001	https://doi.org/10.1016/j.applthermaleng.2011.09.001	NOUN
ap-8331	287	14	https://doi.org/10.1016/s0894-1777(99)00026-6	https://doi.org/10.1016/s0894-1777(99)00026-6	NOUN
ap-8331	287	15	https://doi.org/10.1016/j.ijthermalsci.2013.07.021	https://doi.org/10.1016/j.ijthermalsci.2013.07.021	NUM
ap-8331	287	16	https://doi.org/10.1016/j.ijthermalsci.2013.07.021	https://doi.org/10.1016/j.ijthermalsci.2013.07.021	NUM
ap-8331	287	17	https://doi.org/10.1016/j.ijheatmasstransfer.2015.05.013	https://doi.org/10.1016/j.ijheatmasstransfer.2015.05.013	PROPN
ap-8331	287	18	https://doi.org/10.1016/j.ijheatmasstransfer.2015.05.013	https://doi.org/10.1016/j.ijheatmasstransfer.2015.05.013	X
ap-8331	287	19	https://doi.org/10.1007/s11814-009-0060-7	https://doi.org/10.1007/s11814-009-0060-7	NUM
ap-8331	287	20	https://doi.org/10.1016/j.expthermflusci.2005.02.001	https://doi.org/10.1016/j.expthermflusci.2005.02.001	VERB
ap-8331	287	21	https://doi.org/10.1016/j.expthermflusci.2005.02.001	https://doi.org/10.1016/j.expthermflusci.2005.02.001	PROPN
ap-8331	287	22	https://doi.org/10.1016/j.expthermflusci.2008.01.002	https://doi.org/10.1016/j.expthermflusci.2008.01.002	NOUN
ap-8331	287	23	https://doi.org/10.1016/j.expthermflusci.2008.01.002	https://doi.org/10.1016/j.expthermflusci.2008.01.002	NOUN
ap-8331	287	24	https://doi.org/10.1016/j.ijheatmasstransfer.2010.04.027	https://doi.org/10.1016/j.ijheatmasstransfer.2010.04.027	PRON
ap-8331	287	25	https://doi.org/10.1016/j.ijheatmasstransfer.2010.04.027	https://doi.org/10.1016/j.ijheatmasstransfer.2010.04.027	NUM
ap-8331	287	26	acta	acta	PROPN
ap-8331	287	27	polytechnica	polytechnica	PROPN
ap-8331	287	28	63(1):65–74	63(1):65–74	NUM
ap-8331	287	29	,	,	PUNCT
ap-8331	287	30	2023	2023	NUM
ap-8331	287	31	1	1	NUM
ap-8331	287	32	introduction	introduction	NOUN
ap-8331	287	33	2	2	NUM
ap-8331	287	34	numerical	numerical	PROPN
ap-8331	287	35	simulation	simulation	NOUN
ap-8331	287	36	3	3	NUM
ap-8331	287	37	equations	equation	NOUN
ap-8331	287	38	used	use	VERB
ap-8331	287	39	in	in	ADP
ap-8331	287	40	theoretical	theoretical	ADJ
ap-8331	287	41	calculation	calculation	NOUN
ap-8331	287	42	4	4	NUM
ap-8331	287	43	experiment	experiment	NOUN
ap-8331	287	44	details	detail	NOUN
ap-8331	287	45	5	5	NUM
ap-8331	287	46	results	result	NOUN
ap-8331	287	47	and	and	CCONJ
ap-8331	287	48	discussion	discussion	NOUN
ap-8331	287	49	6	6	NUM
ap-8331	287	50	conclusion	conclusion	NOUN
ap-8331	287	51	list	list	NOUN
ap-8331	287	52	of	of	ADP
ap-8331	287	53	symbols	symbol	NOUN
ap-8331	287	54	references	reference	NOUN