id	sid	tid	token	lemma	pos
ap-3988	1	1	acta	acta	PROPN
ap-3988	1	2	polytechnica	polytechnica	PROPN
ap-3988	1	3	doi:10.14311	doi:10.14311	PROPN
ap-3988	1	4	/	/	SYM
ap-3988	1	5	ap.2017.57.0125	ap.2017.57.0125	PROPN
ap-3988	1	6	acta	acta	PROPN
ap-3988	1	7	polytechnica	polytechnica	PROPN
ap-3988	1	8	57(2):125–130	57(2):125–130	PROPN
ap-3988	1	9	,	,	PUNCT
ap-3988	1	10	2017	2017	NUM
ap-3988	1	11	©	©	PROPN
ap-3988	1	12	czech	czech	PROPN
ap-3988	1	13	technical	technical	PROPN
ap-3988	1	14	university	university	PROPN
ap-3988	1	15	in	in	ADP
ap-3988	1	16	prague	prague	PROPN
ap-3988	1	17	,	,	PUNCT
ap-3988	1	18	2017	2017	NUM
ap-3988	1	19	available	available	ADJ
ap-3988	1	20	online	online	ADV
ap-3988	1	21	at	at	ADP
ap-3988	1	22	http://ojs.cvut.cz/ojs/index.php/ap	http://ojs.cvut.cz/ojs/index.php/ap	PROPN
ap-3988	1	23	heat	heat	NOUN
ap-3988	1	24	transfer	transfer	NOUN
ap-3988	1	25	enhancement	enhancement	NOUN
ap-3988	1	26	and	and	CCONJ
ap-3988	1	27	pressure	pressure	NOUN
ap-3988	1	28	drop	drop	NOUN
ap-3988	1	29	of	of	ADP
ap-3988	1	30	grooved	groove	VERB
ap-3988	1	31	annulus	annulus	NOUN
ap-3988	1	32	of	of	ADP
ap-3988	1	33	double	double	ADJ
ap-3988	1	34	pipe	pipe	NOUN
ap-3988	1	35	heat	heat	NOUN
ap-3988	1	36	exchanger	exchanger	NOUN
ap-3988	1	37	putu	putu	PROPN
ap-3988	1	38	wijaya	wijaya	PROPN
ap-3988	1	39	sunu∗	sunu∗	VERB
ap-3988	1	40	,	,	PUNCT
ap-3988	1	41	i	i	PRON
ap-3988	1	42	made	make	VERB
ap-3988	1	43	rasta	rasta	PROPN
ap-3988	1	44	mechanical	mechanical	ADJ
ap-3988	1	45	engineering	engineering	PROPN
ap-3988	1	46	department	department	PROPN
ap-3988	1	47	,	,	PUNCT
ap-3988	1	48	bali	bali	PROPN
ap-3988	1	49	state	state	PROPN
ap-3988	1	50	polytechnic	polytechnic	PROPN
ap-3988	1	51	,	,	PUNCT
ap-3988	1	52	bali	bali	PROPN
ap-3988	1	53	,	,	PUNCT
ap-3988	1	54	indonesia	indonesia	PROPN
ap-3988	1	55	∗	∗	PROPN
ap-3988	1	56	corresponding	correspond	VERB
ap-3988	1	57	author	author	NOUN
ap-3988	1	58	:	:	PUNCT
ap-3988	1	59	wijayasunu@pnb.ac.id	wijayasunu@pnb.ac.id	ADJ
ap-3988	1	60	abstract	abstract	PROPN
ap-3988	1	61	.	.	PUNCT
ap-3988	2	1	this	this	DET
ap-3988	2	2	investigation	investigation	NOUN
ap-3988	2	3	was	be	AUX
ap-3988	2	4	performed	perform	VERB
ap-3988	2	5	to	to	PART
ap-3988	2	6	experimentally	experimentally	ADV
ap-3988	2	7	investigate	investigate	VERB
ap-3988	2	8	the	the	DET
ap-3988	2	9	enhancement	enhancement	NOUN
ap-3988	2	10	of	of	ADP
ap-3988	2	11	heat	heat	NOUN
ap-3988	2	12	transfer	transfer	NOUN
ap-3988	2	13	and	and	CCONJ
ap-3988	2	14	the	the	DET
ap-3988	2	15	friction	friction	NOUN
ap-3988	2	16	of	of	ADP
ap-3988	2	17	an	an	DET
ap-3988	2	18	annulus	annulus	NOUN
ap-3988	2	19	in	in	ADP
ap-3988	2	20	a	a	DET
ap-3988	2	21	double	double	ADJ
ap-3988	2	22	pipe	pipe	NOUN
ap-3988	2	23	heat	heat	NOUN
ap-3988	2	24	exchanger	exchanger	NOUN
ap-3988	2	25	system	system	NOUN
ap-3988	2	26	with	with	ADP
ap-3988	2	27	rectangular	rectangular	ADJ
ap-3988	2	28	grooves	groove	NOUN
ap-3988	2	29	in	in	ADP
ap-3988	2	30	the	the	DET
ap-3988	2	31	turbulent	turbulent	ADJ
ap-3988	2	32	flow	flow	NOUN
ap-3988	2	33	regime	regime	NOUN
ap-3988	2	34	.	.	PUNCT
ap-3988	3	1	the	the	DET
ap-3988	3	2	shell	shell	NOUN
ap-3988	3	3	is	be	AUX
ap-3988	3	4	made	make	VERB
ap-3988	3	5	of	of	ADP
ap-3988	3	6	acrylic	acrylic	NOUN
ap-3988	3	7	and	and	CCONJ
ap-3988	3	8	its	its	PRON
ap-3988	3	9	diameter	diameter	NOUN
ap-3988	3	10	is	be	AUX
ap-3988	3	11	28	28	NUM
ap-3988	3	12	mm	mm	NOUN
ap-3988	3	13	.	.	PUNCT
ap-3988	4	1	the	the	DET
ap-3988	4	2	tube	tube	NOUN
ap-3988	4	3	is	be	AUX
ap-3988	4	4	made	make	VERB
ap-3988	4	5	of	of	ADP
ap-3988	4	6	aluminium	aluminium	NOUN
ap-3988	4	7	and	and	CCONJ
ap-3988	4	8	its	its	PRON
ap-3988	4	9	diameter	diameter	NOUN
ap-3988	4	10	is	be	AUX
ap-3988	4	11	20	20	NUM
ap-3988	4	12	mm	mm	NOUN
ap-3988	4	13	.	.	PUNCT
ap-3988	5	1	grooves	groove	NOUN
ap-3988	5	2	were	be	AUX
ap-3988	5	3	incised	incise	VERB
ap-3988	5	4	in	in	ADP
ap-3988	5	5	the	the	DET
ap-3988	5	6	annulus	annulus	NOUN
ap-3988	5	7	room	room	NOUN
ap-3988	5	8	with	with	ADP
ap-3988	5	9	a	a	DET
ap-3988	5	10	circumferential	circumferential	ADJ
ap-3988	5	11	pattern	pattern	NOUN
ap-3988	5	12	,	,	PUNCT
ap-3988	5	13	with	with	ADP
ap-3988	5	14	a	a	DET
ap-3988	5	15	groove	groove	NOUN
ap-3988	5	16	space	space	NOUN
ap-3988	5	17	of	of	ADP
ap-3988	5	18	2	2	NUM
ap-3988	5	19	mm	mm	NOUN
ap-3988	5	20	,	,	PUNCT
ap-3988	5	21	a	a	DET
ap-3988	5	22	distance	distance	NOUN
ap-3988	5	23	between	between	ADP
ap-3988	5	24	the	the	DET
ap-3988	5	25	grooves	groove	NOUN
ap-3988	5	26	of	of	ADP
ap-3988	5	27	8	8	NUM
ap-3988	5	28	mm	mm	NOUN
ap-3988	5	29	and	and	CCONJ
ap-3988	5	30	a	a	DET
ap-3988	5	31	groove	groove	NOUN
ap-3988	5	32	height	height	NOUN
ap-3988	5	33	of	of	ADP
ap-3988	5	34	0.3	0.3	NUM
ap-3988	5	35	mm	mm	NOUN
ap-3988	5	36	.	.	PUNCT
ap-3988	6	1	the	the	DET
ap-3988	6	2	experiments	experiment	NOUN
ap-3988	6	3	consist	consist	VERB
ap-3988	6	4	of	of	ADP
ap-3988	6	5	temperature	temperature	NOUN
ap-3988	6	6	and	and	CCONJ
ap-3988	6	7	pressure	pressure	NOUN
ap-3988	6	8	measurement	measurement	NOUN
ap-3988	6	9	and	and	CCONJ
ap-3988	6	10	a	a	DET
ap-3988	6	11	flow	flow	NOUN
ap-3988	6	12	visualization	visualization	NOUN
ap-3988	6	13	.	.	PUNCT
ap-3988	7	1	throughout	throughout	ADP
ap-3988	7	2	the	the	DET
ap-3988	7	3	investigation	investigation	NOUN
ap-3988	7	4	,	,	PUNCT
ap-3988	7	5	the	the	DET
ap-3988	7	6	cold	cold	ADJ
ap-3988	7	7	fluid	fluid	NOUN
ap-3988	7	8	flowed	flow	VERB
ap-3988	7	9	in	in	ADP
ap-3988	7	10	the	the	DET
ap-3988	7	11	annulus	annulus	NOUN
ap-3988	7	12	room	room	NOUN
ap-3988	7	13	.	.	PUNCT
ap-3988	8	1	the	the	DET
ap-3988	8	2	reynold	reynold	ADJ
ap-3988	8	3	number	number	NOUN
ap-3988	8	4	of	of	ADP
ap-3988	8	5	cold	cold	ADJ
ap-3988	8	6	fluid	fluid	NOUN
ap-3988	8	7	varied	varied	ADJ
ap-3988	8	8	from	from	ADP
ap-3988	8	9	about	about	ADP
ap-3988	8	10	31981	31981	NUM
ap-3988	8	11	to	to	ADP
ap-3988	8	12	43601	43601	NUM
ap-3988	8	13	in	in	ADP
ap-3988	8	14	a	a	DET
ap-3988	8	15	counter	counter	NOUN
ap-3988	8	16	flow	flow	NOUN
ap-3988	8	17	condition	condition	NOUN
ap-3988	8	18	.	.	PUNCT
ap-3988	9	1	the	the	DET
ap-3988	9	2	volume	volume	NOUN
ap-3988	9	3	flow	flow	NOUN
ap-3988	9	4	rate	rate	NOUN
ap-3988	9	5	of	of	ADP
ap-3988	9	6	hot	hot	ADJ
ap-3988	9	7	fluid	fluid	NOUN
ap-3988	9	8	remains	remain	VERB
ap-3988	9	9	constant	constant	ADJ
ap-3988	9	10	with	with	ADP
ap-3988	9	11	reynold	reynold	ADJ
ap-3988	9	12	number	number	NOUN
ap-3988	9	13	about	about	ADP
ap-3988	9	14	30904	30904	NUM
ap-3988	9	15	.	.	PUNCT
ap-3988	10	1	result	result	NOUN
ap-3988	10	2	showed	show	VERB
ap-3988	10	3	the	the	DET
ap-3988	10	4	effect	effect	NOUN
ap-3988	10	5	of	of	ADP
ap-3988	10	6	grooves	groove	NOUN
ap-3988	10	7	,	,	PUNCT
ap-3988	10	8	which	which	PRON
ap-3988	10	9	are	be	AUX
ap-3988	10	10	applied	apply	VERB
ap-3988	10	11	in	in	ADP
ap-3988	10	12	the	the	DET
ap-3988	10	13	annulus	annulus	NOUN
ap-3988	10	14	room	room	NOUN
ap-3988	10	15	.	.	PUNCT
ap-3988	11	1	the	the	DET
ap-3988	11	2	grooves	groove	NOUN
ap-3988	11	3	induce	induce	VERB
ap-3988	11	4	the	the	DET
ap-3988	11	5	pressure	pressure	NOUN
ap-3988	11	6	drop	drop	NOUN
ap-3988	11	7	,	,	PUNCT
ap-3988	11	8	the	the	DET
ap-3988	11	9	pressure	pressure	NOUN
ap-3988	11	10	drop	drop	NOUN
ap-3988	11	11	in	in	ADP
ap-3988	11	12	the	the	DET
ap-3988	11	13	grooved	groove	VERB
ap-3988	11	14	annulus	annulus	NOUN
ap-3988	11	15	was	be	AUX
ap-3988	11	16	greater	great	ADJ
ap-3988	11	17	by	by	ADP
ap-3988	11	18	about	about	ADV
ap-3988	11	19	15.88	15.88	NUM
ap-3988	11	20	%	%	NOUN
ap-3988	11	21	to	to	ADP
ap-3988	11	22	16.72	16.72	NUM
ap-3988	11	23	%	%	NOUN
ap-3988	11	24	than	than	ADP
ap-3988	11	25	the	the	DET
ap-3988	11	26	one	one	NOUN
ap-3988	11	27	in	in	ADP
ap-3988	11	28	the	the	DET
ap-3988	11	29	smooth	smooth	ADJ
ap-3988	11	30	annulus	annulus	NOUN
ap-3988	11	31	.	.	PUNCT
ap-3988	12	1	the	the	DET
ap-3988	12	2	total	total	ADJ
ap-3988	12	3	heat	heat	NOUN
ap-3988	12	4	transfer	transfer	NOUN
ap-3988	12	5	enhancement	enhancement	NOUN
ap-3988	12	6	is	be	AUX
ap-3988	12	7	of	of	ADP
ap-3988	12	8	1.09–1.11	1.09–1.11	NUM
ap-3988	12	9	.	.	PUNCT
ap-3988	13	1	moreover	moreover	ADV
ap-3988	13	2	,	,	PUNCT
ap-3988	13	3	the	the	DET
ap-3988	13	4	use	use	NOUN
ap-3988	13	5	of	of	ADP
ap-3988	13	6	grooves	groove	NOUN
ap-3988	13	7	in	in	ADP
ap-3988	13	8	the	the	DET
ap-3988	13	9	annulus	annulus	NOUN
ap-3988	13	10	of	of	ADP
ap-3988	13	11	the	the	DET
ap-3988	13	12	heat	heat	NOUN
ap-3988	13	13	exchanger	exchanger	NOUN
ap-3988	13	14	not	not	PART
ap-3988	13	15	only	only	ADV
ap-3988	13	16	increase	increase	VERB
ap-3988	13	17	the	the	DET
ap-3988	13	18	heat	heat	NOUN
ap-3988	13	19	transfer	transfer	NOUN
ap-3988	13	20	process	process	NOUN
ap-3988	13	21	,	,	PUNCT
ap-3988	13	22	but	but	CCONJ
ap-3988	13	23	also	also	ADV
ap-3988	13	24	increase	increase	VERB
ap-3988	13	25	the	the	DET
ap-3988	13	26	pressure	pressure	NOUN
ap-3988	13	27	drop	drop	NOUN
ap-3988	13	28	,	,	PUNCT
ap-3988	13	29	which	which	PRON
ap-3988	13	30	is	be	AUX
ap-3988	13	31	related	relate	VERB
ap-3988	13	32	to	to	ADP
ap-3988	13	33	the	the	DET
ap-3988	13	34	friction	friction	NOUN
ap-3988	13	35	factor	factor	NOUN
ap-3988	13	36	.	.	PUNCT
ap-3988	14	1	keywords	keyword	NOUN
ap-3988	14	2	:	:	PUNCT
ap-3988	14	3	heat	heat	NOUN
ap-3988	14	4	transfer	transfer	NOUN
ap-3988	14	5	;	;	PUNCT
ap-3988	14	6	friction	friction	NOUN
ap-3988	14	7	factor	factor	NOUN
ap-3988	14	8	;	;	PUNCT
ap-3988	14	9	circumferential	circumferential	ADJ
ap-3988	14	10	rectangular	rectangular	ADJ
ap-3988	14	11	grooves	groove	NOUN
ap-3988	14	12	;	;	PUNCT
ap-3988	14	13	annulus	annulus	NOUN
ap-3988	14	14	.	.	PUNCT
ap-3988	15	1	1	1	X
ap-3988	15	2	.	.	X
ap-3988	15	3	introduction	introduction	NOUN
ap-3988	15	4	heat	heat	NOUN
ap-3988	15	5	exchanger	exchanger	NOUN
ap-3988	15	6	is	be	AUX
ap-3988	15	7	the	the	DET
ap-3988	15	8	most	most	ADV
ap-3988	15	9	important	important	ADJ
ap-3988	15	10	device	device	NOUN
ap-3988	15	11	for	for	ADP
ap-3988	15	12	handling	handle	VERB
ap-3988	15	13	the	the	DET
ap-3988	15	14	thermal	thermal	ADJ
ap-3988	15	15	energy	energy	NOUN
ap-3988	15	16	in	in	ADP
ap-3988	15	17	many	many	ADJ
ap-3988	15	18	industrial	industrial	ADJ
ap-3988	15	19	applications	application	NOUN
ap-3988	15	20	,	,	PUNCT
ap-3988	15	21	such	such	ADJ
ap-3988	15	22	as	as	ADP
ap-3988	15	23	power	power	NOUN
ap-3988	15	24	plants	plant	NOUN
ap-3988	15	25	,	,	PUNCT
ap-3988	15	26	waste	waste	NOUN
ap-3988	15	27	heat	heat	NOUN
ap-3988	15	28	recovery	recovery	NOUN
ap-3988	15	29	,	,	PUNCT
ap-3988	15	30	chemical	chemical	NOUN
ap-3988	15	31	,	,	PUNCT
ap-3988	15	32	automotive	automotive	ADJ
ap-3988	15	33	,	,	PUNCT
ap-3988	15	34	food	food	NOUN
ap-3988	15	35	handling	handling	NOUN
ap-3988	15	36	,	,	PUNCT
ap-3988	15	37	refrigeration	refrigeration	NOUN
ap-3988	15	38	and	and	CCONJ
ap-3988	15	39	air	air	NOUN
ap-3988	15	40	conditioning	conditioning	NOUN
ap-3988	15	41	and	and	CCONJ
ap-3988	15	42	many	many	ADJ
ap-3988	15	43	other	other	ADJ
ap-3988	15	44	application	application	NOUN
ap-3988	15	45	.	.	PUNCT
ap-3988	16	1	the	the	DET
ap-3988	16	2	important	important	ADJ
ap-3988	16	3	parameters	parameter	NOUN
ap-3988	16	4	of	of	ADP
ap-3988	16	5	a	a	DET
ap-3988	16	6	heat	heat	NOUN
ap-3988	16	7	exchanger	exchanger	NOUN
ap-3988	16	8	are	be	AUX
ap-3988	16	9	temperature	temperature	NOUN
ap-3988	16	10	of	of	ADP
ap-3988	16	11	fluid	fluid	NOUN
ap-3988	16	12	at	at	ADP
ap-3988	16	13	the	the	DET
ap-3988	16	14	inlet	inlet	NOUN
ap-3988	16	15	and	and	CCONJ
ap-3988	16	16	outlet	outlet	NOUN
ap-3988	16	17	,	,	PUNCT
ap-3988	16	18	flowrate	flowrate	ADJ
ap-3988	16	19	of	of	ADP
ap-3988	16	20	each	each	DET
ap-3988	16	21	fluid	fluid	NOUN
ap-3988	16	22	and	and	CCONJ
ap-3988	16	23	the	the	DET
ap-3988	16	24	pressure	pressure	NOUN
ap-3988	16	25	drop	drop	NOUN
ap-3988	16	26	[	[	X
ap-3988	16	27	1	1	NUM
ap-3988	16	28	]	]	PUNCT
ap-3988	16	29	.	.	PUNCT
ap-3988	17	1	more	more	ADJ
ap-3988	17	2	reasons	reason	NOUN
ap-3988	17	3	to	to	PART
ap-3988	17	4	consider	consider	VERB
ap-3988	17	5	the	the	DET
ap-3988	17	6	application	application	NOUN
ap-3988	17	7	of	of	ADP
ap-3988	17	8	a	a	DET
ap-3988	17	9	heat	heat	NOUN
ap-3988	17	10	exchanger	exchanger	NOUN
ap-3988	17	11	are	be	AUX
ap-3988	17	12	simplicity	simplicity	NOUN
ap-3988	17	13	and	and	CCONJ
ap-3988	17	14	easy	easy	ADJ
ap-3988	17	15	maintenance	maintenance	NOUN
ap-3988	17	16	.	.	PUNCT
ap-3988	18	1	the	the	DET
ap-3988	18	2	double	double	ADJ
ap-3988	18	3	pipe	pipe	NOUN
ap-3988	18	4	heat	heat	NOUN
ap-3988	18	5	exchanger	exchanger	NOUN
ap-3988	18	6	is	be	AUX
ap-3988	18	7	the	the	DET
ap-3988	18	8	best	good	ADJ
ap-3988	18	9	candidate	candidate	NOUN
ap-3988	18	10	for	for	ADP
ap-3988	18	11	these	these	PRON
ap-3988	18	12	.	.	PUNCT
ap-3988	19	1	to	to	PART
ap-3988	19	2	improve	improve	VERB
ap-3988	19	3	the	the	DET
ap-3988	19	4	thermal	thermal	ADJ
ap-3988	19	5	performance	performance	NOUN
ap-3988	19	6	of	of	ADP
ap-3988	19	7	a	a	DET
ap-3988	19	8	heat	heat	NOUN
ap-3988	19	9	exchanger	exchanger	NOUN
ap-3988	19	10	,	,	PUNCT
ap-3988	19	11	many	many	ADJ
ap-3988	19	12	techniques	technique	NOUN
ap-3988	19	13	have	have	AUX
ap-3988	19	14	been	be	AUX
ap-3988	19	15	developed	develop	VERB
ap-3988	19	16	.	.	PUNCT
ap-3988	20	1	one	one	NUM
ap-3988	20	2	of	of	ADP
ap-3988	20	3	the	the	DET
ap-3988	20	4	surface	surface	NOUN
ap-3988	20	5	modifications	modification	NOUN
ap-3988	20	6	for	for	ADP
ap-3988	20	7	an	an	DET
ap-3988	20	8	increase	increase	NOUN
ap-3988	20	9	of	of	ADP
ap-3988	20	10	the	the	DET
ap-3988	20	11	heat	heat	NOUN
ap-3988	20	12	transfer	transfer	NOUN
ap-3988	20	13	in	in	ADP
ap-3988	20	14	the	the	DET
ap-3988	20	15	turbulence	turbulence	NOUN
ap-3988	20	16	flow	flow	NOUN
ap-3988	20	17	are	be	AUX
ap-3988	20	18	grooves	groove	NOUN
ap-3988	20	19	.	.	PUNCT
ap-3988	21	1	groove	groove	NOUN
ap-3988	21	2	,	,	PUNCT
ap-3988	21	3	as	as	ADP
ap-3988	21	4	a	a	DET
ap-3988	21	5	passive	passive	ADJ
ap-3988	21	6	technique	technique	NOUN
ap-3988	21	7	,	,	PUNCT
ap-3988	21	8	was	be	AUX
ap-3988	21	9	developed	develop	VERB
ap-3988	21	10	for	for	ADP
ap-3988	21	11	these	these	DET
ap-3988	21	12	applications	application	NOUN
ap-3988	21	13	,	,	PUNCT
ap-3988	21	14	because	because	SCONJ
ap-3988	21	15	it	it	PRON
ap-3988	21	16	does	do	AUX
ap-3988	21	17	not	not	PART
ap-3988	21	18	require	require	VERB
ap-3988	21	19	additional	additional	ADJ
ap-3988	21	20	energy	energy	NOUN
ap-3988	21	21	,	,	PUNCT
ap-3988	21	22	needs	need	VERB
ap-3988	21	23	no	no	DET
ap-3988	21	24	auxiliary	auxiliary	ADJ
ap-3988	21	25	power	power	NOUN
ap-3988	21	26	,	,	PUNCT
ap-3988	21	27	is	be	AUX
ap-3988	21	28	quite	quite	ADV
ap-3988	21	29	simple	simple	ADJ
ap-3988	21	30	and	and	CCONJ
ap-3988	21	31	reduces	reduce	VERB
ap-3988	21	32	the	the	DET
ap-3988	21	33	weight	weight	NOUN
ap-3988	21	34	the	the	PRON
ap-3988	21	35	of	of	ADP
ap-3988	21	36	heat	heat	NOUN
ap-3988	21	37	exchanger	exchanger	NOUN
ap-3988	21	38	.	.	PUNCT
ap-3988	22	1	therefore	therefore	ADV
ap-3988	22	2	,	,	PUNCT
ap-3988	22	3	it	it	PRON
ap-3988	22	4	is	be	AUX
ap-3988	22	5	widely	widely	ADV
ap-3988	22	6	used	use	VERB
ap-3988	22	7	in	in	ADP
ap-3988	22	8	modern	modern	ADJ
ap-3988	22	9	heat	heat	NOUN
ap-3988	22	10	exchangers	exchanger	NOUN
ap-3988	22	11	and	and	CCONJ
ap-3988	22	12	other	other	ADJ
ap-3988	22	13	cooling	cool	VERB
ap-3988	22	14	equipment	equipment	NOUN
ap-3988	22	15	[	[	X
ap-3988	22	16	2	2	NUM
ap-3988	22	17	]	]	PUNCT
ap-3988	22	18	.	.	PUNCT
ap-3988	23	1	the	the	DET
ap-3988	23	2	grooves	groove	NOUN
ap-3988	23	3	increase	increase	VERB
ap-3988	23	4	the	the	DET
ap-3988	23	5	surface	surface	NOUN
ap-3988	23	6	area	area	NOUN
ap-3988	23	7	with	with	ADP
ap-3988	23	8	a	a	DET
ap-3988	23	9	little	little	ADJ
ap-3988	23	10	change	change	NOUN
ap-3988	23	11	in	in	ADP
ap-3988	23	12	diameter	diameter	NOUN
ap-3988	23	13	and	and	CCONJ
ap-3988	23	14	potentially	potentially	ADV
ap-3988	23	15	improves	improve	VERB
ap-3988	23	16	not	not	PART
ap-3988	23	17	only	only	ADV
ap-3988	23	18	heat	heat	NOUN
ap-3988	23	19	transfer	transfer	NOUN
ap-3988	23	20	,	,	PUNCT
ap-3988	23	21	but	but	CCONJ
ap-3988	23	22	also	also	ADV
ap-3988	23	23	pressure	pressure	NOUN
ap-3988	23	24	drop	drop	NOUN
ap-3988	23	25	.	.	PUNCT
ap-3988	24	1	many	many	ADJ
ap-3988	24	2	investigations	investigation	NOUN
ap-3988	24	3	have	have	AUX
ap-3988	24	4	been	be	AUX
ap-3988	24	5	done	do	VERB
ap-3988	24	6	to	to	PART
ap-3988	24	7	improve	improve	VERB
ap-3988	24	8	the	the	DET
ap-3988	24	9	flow	flow	NOUN
ap-3988	24	10	characteristics	characteristic	NOUN
ap-3988	24	11	and	and	CCONJ
ap-3988	24	12	friction	friction	NOUN
ap-3988	24	13	around	around	ADP
ap-3988	24	14	grooves	groove	NOUN
ap-3988	24	15	[	[	X
ap-3988	24	16	2–9	2–9	NOUN
ap-3988	24	17	]	]	X
ap-3988	24	18	.	.	PUNCT
ap-3988	25	1	in	in	ADP
ap-3988	25	2	past	past	ADJ
ap-3988	25	3	years	year	NOUN
ap-3988	25	4	,	,	PUNCT
ap-3988	25	5	most	most	ADJ
ap-3988	25	6	researches	research	NOUN
ap-3988	25	7	focused	focus	VERB
ap-3988	25	8	on	on	ADP
ap-3988	25	9	rectangular	rectangular	ADJ
ap-3988	25	10	grooves	groove	NOUN
ap-3988	25	11	[	[	X
ap-3988	25	12	10–16	10–16	NUM
ap-3988	25	13	]	]	PUNCT
ap-3988	25	14	.	.	PUNCT
ap-3988	26	1	also	also	ADV
ap-3988	26	2	studies	study	NOUN
ap-3988	26	3	on	on	ADP
ap-3988	26	4	various	various	ADJ
ap-3988	26	5	shapes	shape	NOUN
ap-3988	26	6	of	of	ADP
ap-3988	26	7	grooves	groove	NOUN
ap-3988	26	8	has	have	AUX
ap-3988	26	9	been	be	AUX
ap-3988	26	10	done	do	VERB
ap-3988	26	11	to	to	PART
ap-3988	26	12	improve	improve	VERB
ap-3988	26	13	the	the	DET
ap-3988	26	14	flow	flow	NOUN
ap-3988	26	15	and	and	CCONJ
ap-3988	26	16	flow	flow	NOUN
ap-3988	26	17	structure	structure	NOUN
ap-3988	26	18	details	detail	NOUN
ap-3988	26	19	[	[	X
ap-3988	26	20	17–20	17–20	NUM
ap-3988	26	21	]	]	PUNCT
ap-3988	26	22	.	.	PUNCT
ap-3988	27	1	over	over	ADP
ap-3988	27	2	the	the	DET
ap-3988	27	3	years	year	NOUN
ap-3988	27	4	,	,	PUNCT
ap-3988	27	5	many	many	ADJ
ap-3988	27	6	researches	research	VERB
ap-3988	27	7	on	on	ADP
ap-3988	27	8	the	the	DET
ap-3988	27	9	fluid	fluid	ADJ
ap-3988	27	10	flow	flow	NOUN
ap-3988	27	11	through	through	ADP
ap-3988	27	12	the	the	DET
ap-3988	27	13	grooves	groove	NOUN
ap-3988	27	14	and	and	CCONJ
ap-3988	27	15	corrugated	corrugate	VERB
ap-3988	27	16	tubes	tube	NOUN
ap-3988	27	17	and	and	CCONJ
ap-3988	27	18	their	their	PRON
ap-3988	27	19	influence	influence	NOUN
ap-3988	27	20	on	on	ADP
ap-3988	27	21	the	the	DET
ap-3988	27	22	heat	heat	NOUN
ap-3988	27	23	transfer	transfer	NOUN
ap-3988	27	24	characteristics	characteristic	NOUN
ap-3988	27	25	have	have	AUX
ap-3988	27	26	been	be	AUX
ap-3988	27	27	carried	carry	VERB
ap-3988	27	28	out	out	ADP
ap-3988	27	29	[	[	X
ap-3988	27	30	21–28	21–28	NUM
ap-3988	27	31	]	]	PUNCT
ap-3988	27	32	.	.	PUNCT
ap-3988	28	1	although	although	SCONJ
ap-3988	28	2	many	many	ADJ
ap-3988	28	3	researches	research	NOUN
ap-3988	28	4	have	have	AUX
ap-3988	28	5	focused	focus	VERB
ap-3988	28	6	on	on	ADP
ap-3988	28	7	the	the	DET
ap-3988	28	8	groove	groove	NOUN
ap-3988	28	9	’s	’s	PART
ap-3988	28	10	shape	shape	NOUN
ap-3988	28	11	and	and	CCONJ
ap-3988	28	12	the	the	DET
ap-3988	28	13	flow	flow	NOUN
ap-3988	28	14	structure	structure	NOUN
ap-3988	28	15	correlated	correlate	VERB
ap-3988	28	16	to	to	ADP
ap-3988	28	17	a	a	DET
ap-3988	28	18	heat	heat	NOUN
ap-3988	28	19	transfer	transfer	NOUN
ap-3988	28	20	enhancement	enhancement	NOUN
ap-3988	28	21	on	on	ADP
ap-3988	28	22	various	various	ADJ
ap-3988	28	23	applications	application	NOUN
ap-3988	28	24	,	,	PUNCT
ap-3988	28	25	few	few	ADJ
ap-3988	28	26	have	have	AUX
ap-3988	28	27	been	be	AUX
ap-3988	28	28	done	do	VERB
ap-3988	28	29	on	on	ADP
ap-3988	28	30	the	the	DET
ap-3988	28	31	annulus	annulus	NOUN
ap-3988	28	32	of	of	ADP
ap-3988	28	33	the	the	DET
ap-3988	28	34	heat	heat	NOUN
ap-3988	28	35	exchanger	exchanger	NOUN
ap-3988	28	36	.	.	PUNCT
ap-3988	29	1	thus	thus	ADV
ap-3988	29	2	,	,	PUNCT
ap-3988	29	3	this	this	DET
ap-3988	29	4	study	study	NOUN
ap-3988	29	5	fills	fill	VERB
ap-3988	29	6	an	an	DET
ap-3988	29	7	important	important	ADJ
ap-3988	29	8	gap	gap	NOUN
ap-3988	29	9	in	in	ADP
ap-3988	29	10	the	the	DET
ap-3988	29	11	literature	literature	NOUN
ap-3988	29	12	by	by	ADP
ap-3988	29	13	demonstrating	demonstrate	VERB
ap-3988	29	14	and	and	CCONJ
ap-3988	29	15	describing	describe	VERB
ap-3988	29	16	the	the	DET
ap-3988	29	17	feasibility	feasibility	NOUN
ap-3988	29	18	of	of	ADP
ap-3988	29	19	these	these	DET
ap-3988	29	20	surface	surface	NOUN
ap-3988	29	21	techniques	technique	NOUN
ap-3988	29	22	for	for	ADP
ap-3988	29	23	an	an	DET
ap-3988	29	24	annulus	annulus	NOUN
ap-3988	29	25	application	application	NOUN
ap-3988	29	26	.	.	PUNCT
ap-3988	30	1	the	the	DET
ap-3988	30	2	specific	specific	ADJ
ap-3988	30	3	objective	objective	NOUN
ap-3988	30	4	and	and	CCONJ
ap-3988	30	5	the	the	DET
ap-3988	30	6	scope	scope	NOUN
ap-3988	30	7	of	of	ADP
ap-3988	30	8	this	this	DET
ap-3988	30	9	presented	present	VERB
ap-3988	30	10	work	work	NOUN
ap-3988	30	11	is	be	AUX
ap-3988	30	12	to	to	PART
ap-3988	30	13	evaluate	evaluate	VERB
ap-3988	30	14	the	the	DET
ap-3988	30	15	performance	performance	NOUN
ap-3988	30	16	of	of	ADP
ap-3988	30	17	the	the	DET
ap-3988	30	18	heat	heat	NOUN
ap-3988	30	19	transfer	transfer	NOUN
ap-3988	30	20	and	and	CCONJ
ap-3988	30	21	to	to	PART
ap-3988	30	22	observe	observe	VERB
ap-3988	30	23	the	the	DET
ap-3988	30	24	flow	flow	NOUN
ap-3988	30	25	phenomenon	phenomenon	NOUN
ap-3988	30	26	and	and	CCONJ
ap-3988	30	27	friction	friction	NOUN
ap-3988	30	28	through	through	ADP
ap-3988	30	29	the	the	DET
ap-3988	30	30	grooved	groove	VERB
ap-3988	30	31	annulus	annulus	NOUN
ap-3988	30	32	in	in	ADP
ap-3988	30	33	a	a	DET
ap-3988	30	34	double	double	ADJ
ap-3988	30	35	pipe	pipe	NOUN
ap-3988	30	36	heat	heat	NOUN
ap-3988	30	37	exchanger	exchanger	NOUN
ap-3988	30	38	.	.	PUNCT
ap-3988	31	1	2	2	X
ap-3988	31	2	.	.	X
ap-3988	31	3	experimental	experimental	ADJ
ap-3988	31	4	apparatus	apparatus	NOUN
ap-3988	31	5	and	and	CCONJ
ap-3988	31	6	method	method	VERB
ap-3988	31	7	the	the	DET
ap-3988	31	8	sketch	sketch	NOUN
ap-3988	31	9	of	of	ADP
ap-3988	31	10	the	the	DET
ap-3988	31	11	experiment	experiment	NOUN
ap-3988	31	12	apparatus	apparatus	NOUN
ap-3988	31	13	for	for	ADP
ap-3988	31	14	this	this	DET
ap-3988	31	15	investigation	investigation	NOUN
ap-3988	31	16	is	be	AUX
ap-3988	31	17	shown	show	VERB
ap-3988	31	18	in	in	ADP
ap-3988	31	19	figure	figure	NOUN
ap-3988	31	20	1	1	NUM
ap-3988	31	21	.	.	PUNCT
ap-3988	32	1	the	the	DET
ap-3988	32	2	experiment	experiment	NOUN
ap-3988	32	3	apparatus	apparatus	NOUN
ap-3988	32	4	was	be	AUX
ap-3988	32	5	designed	design	VERB
ap-3988	32	6	to	to	PART
ap-3988	32	7	determine	determine	VERB
ap-3988	32	8	the	the	DET
ap-3988	32	9	pressure	pressure	NOUN
ap-3988	32	10	drop	drop	NOUN
ap-3988	32	11	,	,	PUNCT
ap-3988	32	12	heat	heat	NOUN
ap-3988	32	13	transfer	transfer	NOUN
ap-3988	32	14	and	and	CCONJ
ap-3988	32	15	flow	flow	NOUN
ap-3988	32	16	visualization	visualization	NOUN
ap-3988	32	17	.	.	PUNCT
ap-3988	33	1	this	this	DET
ap-3988	33	2	study	study	NOUN
ap-3988	33	3	used	use	VERB
ap-3988	33	4	a	a	DET
ap-3988	33	5	counter	counter	ADJ
ap-3988	33	6	flow	flow	NOUN
ap-3988	33	7	in	in	ADP
ap-3988	33	8	flow	flow	NOUN
ap-3988	33	9	direction	direction	NOUN
ap-3988	33	10	and	and	CCONJ
ap-3988	33	11	water	water	NOUN
ap-3988	33	12	as	as	ADP
ap-3988	33	13	a	a	DET
ap-3988	33	14	working	work	VERB
ap-3988	33	15	fluid	fluid	NOUN
ap-3988	33	16	.	.	PUNCT
ap-3988	34	1	in	in	ADP
ap-3988	34	2	counter	counter	ADJ
ap-3988	34	3	flow	flow	NOUN
ap-3988	34	4	heat	heat	NOUN
ap-3988	34	5	exchanger	exchanger	NOUN
ap-3988	34	6	,	,	PUNCT
ap-3988	34	7	the	the	DET
ap-3988	34	8	hot	hot	ADJ
ap-3988	34	9	side	side	NOUN
ap-3988	34	10	inlet	inlet	NOUN
ap-3988	34	11	temperature	temperature	NOUN
ap-3988	34	12	is	be	AUX
ap-3988	34	13	in	in	ADP
ap-3988	34	14	contact	contact	NOUN
ap-3988	34	15	with	with	ADP
ap-3988	34	16	the	the	DET
ap-3988	34	17	cold	cold	ADJ
ap-3988	34	18	side	side	NOUN
ap-3988	34	19	outlet	outlet	NOUN
ap-3988	34	20	temperature	temperature	NOUN
ap-3988	34	21	and	and	CCONJ
ap-3988	34	22	vice	vice	NOUN
ap-3988	34	23	versa	versa	ADV
ap-3988	34	24	.	.	PUNCT
ap-3988	35	1	the	the	DET
ap-3988	35	2	experiment	experiment	NOUN
ap-3988	35	3	installation	installation	NOUN
ap-3988	35	4	consisted	consist	VERB
ap-3988	35	5	of	of	ADP
ap-3988	35	6	two	two	NUM
ap-3988	35	7	centrifugal	centrifugal	ADJ
ap-3988	35	8	pumps	pump	NOUN
ap-3988	35	9	that	that	PRON
ap-3988	35	10	circulates	circulate	VERB
ap-3988	35	11	hot	hot	ADJ
ap-3988	35	12	and	and	CCONJ
ap-3988	35	13	cold	cold	ADJ
ap-3988	35	14	water	water	NOUN
ap-3988	35	15	through	through	ADP
ap-3988	35	16	a	a	DET
ap-3988	35	17	pipe	pipe	NOUN
ap-3988	35	18	system	system	NOUN
ap-3988	35	19	loop	loop	NOUN
ap-3988	35	20	.	.	PUNCT
ap-3988	36	1	rotameter	rotameter	NOUN
ap-3988	36	2	was	be	AUX
ap-3988	36	3	installed	instal	VERB
ap-3988	36	4	for	for	ADP
ap-3988	36	5	varying	vary	VERB
ap-3988	36	6	the	the	DET
ap-3988	36	7	volume	volume	NOUN
ap-3988	36	8	flow	flow	NOUN
ap-3988	36	9	rate	rate	NOUN
ap-3988	36	10	of	of	ADP
ap-3988	36	11	the	the	DET
ap-3988	36	12	hot	hot	ADJ
ap-3988	36	13	and	and	CCONJ
ap-3988	36	14	cold	cold	ADJ
ap-3988	36	15	fluid	fluid	NOUN
ap-3988	36	16	.	.	PUNCT
ap-3988	37	1	a	a	DET
ap-3988	37	2	minimum	minimum	NOUN
ap-3988	37	3	of	of	ADP
ap-3988	37	4	11	11	NUM
ap-3988	37	5	l	l	NOUN
ap-3988	37	6	/	/	SYM
ap-3988	37	7	min	min	NOUN
ap-3988	37	8	was	be	AUX
ap-3988	37	9	used	use	VERB
ap-3988	37	10	and	and	CCONJ
ap-3988	37	11	it	it	PRON
ap-3988	37	12	was	be	AUX
ap-3988	37	13	increased	increase	VERB
ap-3988	37	14	up	up	ADP
ap-3988	37	15	to	to	ADP
ap-3988	37	16	15	15	NUM
ap-3988	37	17	l	l	NOUN
ap-3988	37	18	/	/	SYM
ap-3988	37	19	min	min	NOUN
ap-3988	37	20	.	.	PROPN
ap-3988	38	1	this	this	DET
ap-3988	38	2	flowrate	flowrate	NOUN
ap-3988	38	3	correlated	correlate	VERB
ap-3988	38	4	to	to	ADP
ap-3988	38	5	the	the	DET
ap-3988	38	6	reynolds	reynolds	PROPN
ap-3988	38	7	number	number	NOUN
ap-3988	38	8	re	re	PROPN
ap-3988	38	9	125	125	NUM
ap-3988	38	10	http://dx.doi.org/10.14311/ap.2017.57.0125	http://dx.doi.org/10.14311/ap.2017.57.0125	NOUN
ap-3988	39	1	http://ojs.cvut.cz/ojs/index.php/ap	http://ojs.cvut.cz/ojs/index.php/ap	AUX
ap-3988	39	2	putu	putu	PROPN
ap-3988	39	3	wijaya	wijaya	PROPN
ap-3988	39	4	sunu	sunu	PROPN
ap-3988	39	5	,	,	PUNCT
ap-3988	39	6	i	i	PRON
ap-3988	39	7	made	make	VERB
ap-3988	39	8	rasta	rasta	PROPN
ap-3988	39	9	acta	acta	PROPN
ap-3988	39	10	polytechnica	polytechnica	PROPN
ap-3988	39	11	figure	figure	NOUN
ap-3988	39	12	1	1	NUM
ap-3988	39	13	.	.	PUNCT
ap-3988	40	1	the	the	DET
ap-3988	40	2	schematic	schematic	ADJ
ap-3988	40	3	representation	representation	NOUN
ap-3988	40	4	of	of	ADP
ap-3988	40	5	the	the	DET
ap-3988	40	6	experiment	experiment	NOUN
ap-3988	40	7	apparatus	apparatus	NOUN
ap-3988	40	8	set	set	NOUN
ap-3988	40	9	-	-	PUNCT
ap-3988	40	10	up	up	NOUN
ap-3988	40	11	.	.	PUNCT
ap-3988	40	12	of	of	ADP
ap-3988	40	13	the	the	DET
ap-3988	40	14	annulus	annulus	NOUN
ap-3988	40	15	room	room	NOUN
ap-3988	40	16	that	that	PRON
ap-3988	40	17	was	be	AUX
ap-3988	40	18	about	about	ADV
ap-3988	40	19	31981	31981	NUM
ap-3988	40	20	and	and	CCONJ
ap-3988	40	21	43610	43610	NUM
ap-3988	40	22	,	,	PUNCT
ap-3988	40	23	respectively	respectively	ADV
ap-3988	40	24	.	.	PUNCT
ap-3988	41	1	meanwhile	meanwhile	ADV
ap-3988	41	2	,	,	PUNCT
ap-3988	41	3	the	the	DET
ap-3988	41	4	re	re	NOUN
ap-3988	41	5	for	for	ADP
ap-3988	41	6	hot	hot	ADJ
ap-3988	41	7	fluid	fluid	NOUN
ap-3988	41	8	was	be	AUX
ap-3988	41	9	maintained	maintain	VERB
ap-3988	41	10	constant	constant	ADJ
ap-3988	41	11	at	at	ADP
ap-3988	41	12	about	about	ADP
ap-3988	41	13	30904	30904	NUM
ap-3988	41	14	.	.	PUNCT
ap-3988	42	1	the	the	DET
ap-3988	42	2	hot	hot	ADJ
ap-3988	42	3	water	water	NOUN
ap-3988	42	4	temperature	temperature	NOUN
ap-3988	42	5	was	be	AUX
ap-3988	42	6	50	50	NUM
ap-3988	42	7	±	±	NUM
ap-3988	42	8	0.50	0.50	NUM
ap-3988	42	9	°	°	ADP
ap-3988	42	10	c	c	NOUN
ap-3988	42	11	and	and	CCONJ
ap-3988	42	12	the	the	DET
ap-3988	42	13	cold	cold	ADJ
ap-3988	42	14	water	water	NOUN
ap-3988	42	15	temperature	temperature	NOUN
ap-3988	42	16	was	be	AUX
ap-3988	42	17	30	30	NUM
ap-3988	42	18	±	±	NUM
ap-3988	42	19	0.5	0.5	NUM
ap-3988	42	20	°	°	NOUN
ap-3988	42	21	c	c	NOUN
ap-3988	42	22	.	.	PUNCT
ap-3988	43	1	the	the	DET
ap-3988	43	2	heat	heat	NOUN
ap-3988	43	3	exchanger	exchanger	NOUN
ap-3988	43	4	test	test	NOUN
ap-3988	43	5	section	section	NOUN
ap-3988	43	6	was	be	AUX
ap-3988	43	7	a	a	DET
ap-3988	43	8	50	50	NUM
ap-3988	43	9	cm	cm	NOUN
ap-3988	43	10	long	long	ADV
ap-3988	43	11	a	a	DET
ap-3988	43	12	tube	tube	NOUN
ap-3988	43	13	diameter	diameter	NOUN
ap-3988	43	14	of	of	ADP
ap-3988	43	15	20	20	NUM
ap-3988	43	16	mm	mm	NOUN
ap-3988	43	17	and	and	CCONJ
ap-3988	43	18	a	a	DET
ap-3988	43	19	shell	shell	ADJ
ap-3988	43	20	diameter	diameter	NOUN
ap-3988	43	21	of	of	ADP
ap-3988	43	22	28	28	NUM
ap-3988	43	23	mm	mm	NOUN
ap-3988	43	24	.	.	PUNCT
ap-3988	44	1	the	the	DET
ap-3988	44	2	tube	tube	NOUN
ap-3988	44	3	was	be	AUX
ap-3988	44	4	made	make	VERB
ap-3988	44	5	of	of	ADP
ap-3988	44	6	aluminium	aluminium	NOUN
ap-3988	44	7	and	and	CCONJ
ap-3988	44	8	the	the	DET
ap-3988	44	9	shell	shell	ADJ
ap-3988	44	10	side	side	NOUN
ap-3988	44	11	was	be	AUX
ap-3988	44	12	made	make	VERB
ap-3988	44	13	of	of	ADP
ap-3988	44	14	acrylic	acrylic	ADJ
ap-3988	44	15	tube	tube	NOUN
ap-3988	44	16	for	for	ADP
ap-3988	44	17	easier	easy	ADJ
ap-3988	44	18	flow	flow	NOUN
ap-3988	44	19	visualization	visualization	NOUN
ap-3988	44	20	.	.	PUNCT
ap-3988	45	1	the	the	DET
ap-3988	45	2	annulus	annulus	NOUN
ap-3988	45	3	room	room	NOUN
ap-3988	45	4	was	be	AUX
ap-3988	45	5	etched	etch	VERB
ap-3988	45	6	by	by	ADP
ap-3988	45	7	circumferentialrectangular	circumferentialrectangular	ADJ
ap-3988	45	8	grooves	groove	NOUN
ap-3988	45	9	on	on	ADP
ap-3988	45	10	outer	outer	ADJ
ap-3988	45	11	surface	surface	NOUN
ap-3988	45	12	of	of	ADP
ap-3988	45	13	the	the	DET
ap-3988	45	14	tube	tube	NOUN
ap-3988	45	15	side	side	NOUN
ap-3988	45	16	.	.	PUNCT
ap-3988	46	1	the	the	DET
ap-3988	46	2	grooves	groove	NOUN
ap-3988	46	3	were	be	AUX
ap-3988	46	4	formed	form	VERB
ap-3988	46	5	by	by	ADP
ap-3988	46	6	a	a	DET
ap-3988	46	7	conventional	conventional	ADJ
ap-3988	46	8	etching	etch	VERB
ap-3988	46	9	technique	technique	NOUN
ap-3988	46	10	.	.	PUNCT
ap-3988	47	1	k	k	ADJ
ap-3988	47	2	-	-	PUNCT
ap-3988	47	3	type	type	NOUN
ap-3988	47	4	thermocouples	thermocouple	NOUN
ap-3988	47	5	were	be	AUX
ap-3988	47	6	used	use	VERB
ap-3988	47	7	to	to	PART
ap-3988	47	8	measure	measure	VERB
ap-3988	47	9	the	the	DET
ap-3988	47	10	temperature	temperature	NOUN
ap-3988	47	11	of	of	ADP
ap-3988	47	12	the	the	DET
ap-3988	47	13	inlet	inlet	NOUN
ap-3988	47	14	and	and	CCONJ
ap-3988	47	15	outlet	outlet	NOUN
ap-3988	47	16	of	of	ADP
ap-3988	47	17	the	the	DET
ap-3988	47	18	hot	hot	ADJ
ap-3988	47	19	and	and	CCONJ
ap-3988	47	20	cold	cold	ADJ
ap-3988	47	21	fluid	fluid	NOUN
ap-3988	47	22	in	in	ADP
ap-3988	47	23	the	the	DET
ap-3988	47	24	test	test	NOUN
ap-3988	47	25	section	section	NOUN
ap-3988	47	26	.	.	PUNCT
ap-3988	48	1	the	the	DET
ap-3988	48	2	signal	signal	NOUN
ap-3988	48	3	from	from	ADP
ap-3988	48	4	thermocouple	thermocouple	PROPN
ap-3988	48	5	was	be	AUX
ap-3988	48	6	then	then	ADV
ap-3988	48	7	digitalized	digitalize	VERB
ap-3988	48	8	using	use	VERB
ap-3988	48	9	a	a	DET
ap-3988	48	10	data	data	NOUN
ap-3988	48	11	logger	logger	NOUN
ap-3988	48	12	and	and	CCONJ
ap-3988	48	13	recorded	record	VERB
ap-3988	48	14	in	in	ADP
ap-3988	48	15	a	a	DET
ap-3988	48	16	computer	computer	NOUN
ap-3988	48	17	memory	memory	NOUN
ap-3988	48	18	for	for	ADP
ap-3988	48	19	600	600	NUM
ap-3988	48	20	s.	s.	PROPN
ap-3988	48	21	pressure	pressure	NOUN
ap-3988	48	22	transducers	transducer	NOUN
ap-3988	48	23	mpx	mpx	VERB
ap-3988	48	24	5050	5050	NUM
ap-3988	48	25	d	d	NOUN
ap-3988	48	26	were	be	AUX
ap-3988	48	27	used	use	VERB
ap-3988	48	28	in	in	ADP
ap-3988	48	29	the	the	DET
ap-3988	48	30	pressure	pressure	NOUN
ap-3988	48	31	measurement	measurement	NOUN
ap-3988	48	32	,	,	PUNCT
ap-3988	48	33	which	which	PRON
ap-3988	48	34	took	take	VERB
ap-3988	48	35	place	place	NOUN
ap-3988	48	36	at	at	ADP
ap-3988	48	37	the	the	DET
ap-3988	48	38	upstream	upstream	NOUN
ap-3988	48	39	and	and	CCONJ
ap-3988	48	40	downstream	downstream	NOUN
ap-3988	48	41	of	of	ADP
ap-3988	48	42	the	the	DET
ap-3988	48	43	annulus	annulus	NOUN
ap-3988	48	44	section	section	NOUN
ap-3988	48	45	with	with	ADP
ap-3988	48	46	the	the	DET
ap-3988	48	47	sampling	sample	VERB
ap-3988	48	48	frequency	frequency	NOUN
ap-3988	48	49	of	of	ADP
ap-3988	48	50	10hz	10hz	NOUN
ap-3988	48	51	.	.	PUNCT
ap-3988	49	1	dyes	dye	NOUN
ap-3988	49	2	were	be	AUX
ap-3988	49	3	used	use	VERB
ap-3988	49	4	as	as	ADP
ap-3988	49	5	the	the	DET
ap-3988	49	6	media	medium	NOUN
ap-3988	49	7	for	for	ADP
ap-3988	49	8	visualization	visualization	NOUN
ap-3988	49	9	and	and	CCONJ
ap-3988	49	10	recorded	record	VERB
ap-3988	49	11	with	with	ADP
ap-3988	49	12	a	a	DET
ap-3988	49	13	high	high	ADJ
ap-3988	49	14	speed	speed	NOUN
ap-3988	49	15	camera	camera	NOUN
ap-3988	49	16	at	at	ADP
ap-3988	49	17	240	240	NUM
ap-3988	49	18	fps	fps	PROPN
ap-3988	49	19	.	.	PUNCT
ap-3988	50	1	2.1	2.1	NUM
ap-3988	50	2	.	.	PUNCT
ap-3988	50	3	data	datum	NOUN
ap-3988	50	4	processing	process	VERB
ap-3988	50	5	the	the	DET
ap-3988	50	6	aim	aim	NOUN
ap-3988	50	7	of	of	ADP
ap-3988	50	8	this	this	DET
ap-3988	50	9	current	current	ADJ
ap-3988	50	10	investigation	investigation	NOUN
ap-3988	50	11	is	be	AUX
ap-3988	50	12	to	to	PART
ap-3988	50	13	determine	determine	VERB
ap-3988	50	14	the	the	DET
ap-3988	50	15	heat	heat	NOUN
ap-3988	50	16	transfer	transfer	NOUN
ap-3988	50	17	characteristics	characteristic	NOUN
ap-3988	50	18	and	and	CCONJ
ap-3988	50	19	friction	friction	NOUN
ap-3988	50	20	in	in	ADP
ap-3988	50	21	a	a	DET
ap-3988	50	22	grooved	groove	VERB
ap-3988	50	23	annulus	annulus	NOUN
ap-3988	50	24	of	of	ADP
ap-3988	50	25	a	a	DET
ap-3988	50	26	double	double	ADJ
ap-3988	50	27	pipe	pipe	NOUN
ap-3988	50	28	heat	heat	NOUN
ap-3988	50	29	exchanger	exchanger	NOUN
ap-3988	50	30	.	.	PUNCT
ap-3988	51	1	the	the	DET
ap-3988	51	2	parameters	parameter	NOUN
ap-3988	51	3	of	of	ADP
ap-3988	51	4	interest	interest	NOUN
ap-3988	51	5	are	be	AUX
ap-3988	51	6	the	the	DET
ap-3988	51	7	reynolds	reynolds	PROPN
ap-3988	51	8	number	number	NOUN
ap-3988	51	9	re	re	PROPN
ap-3988	51	10	,	,	PUNCT
ap-3988	51	11	friction	friction	NOUN
ap-3988	51	12	factor	factor	NOUN
ap-3988	51	13	f	f	PROPN
ap-3988	51	14	,	,	PUNCT
ap-3988	51	15	heat	heat	NOUN
ap-3988	51	16	transfer	transfer	NOUN
ap-3988	51	17	q	q	NOUN
ap-3988	51	18	,	,	PUNCT
ap-3988	51	19	ntu	ntu	NOUN
ap-3988	51	20	and	and	CCONJ
ap-3988	51	21	effectiveness	effectiveness	NOUN
ap-3988	51	22	ε	ε	PROPN
ap-3988	51	23	.	.	PUNCT
ap-3988	52	1	the	the	DET
ap-3988	52	2	reynolds	reynolds	PROPN
ap-3988	52	3	number	number	NOUN
ap-3988	52	4	is	be	AUX
ap-3988	52	5	given	give	VERB
ap-3988	52	6	by	by	ADP
ap-3988	52	7	re	re	ADJ
ap-3988	52	8	=	=	NOUN
ap-3988	52	9	udh	udh	PROPN
ap-3988	52	10	υ	υ	NOUN
ap-3988	52	11	.	.	PUNCT
ap-3988	53	1	(	(	PUNCT
ap-3988	53	2	1	1	X
ap-3988	53	3	)	)	PUNCT
ap-3988	53	4	the	the	DET
ap-3988	53	5	hydraulic	hydraulic	ADJ
ap-3988	53	6	diameter	diameter	NOUN
ap-3988	53	7	of	of	ADP
ap-3988	53	8	annulus	annulus	NOUN
ap-3988	53	9	is	be	AUX
ap-3988	53	10	calculated	calculate	VERB
ap-3988	53	11	from	from	ADP
ap-3988	53	12	dh	dh	NOUN
ap-3988	53	13	=	=	PUNCT
ap-3988	53	14	4π(d2	4π(d2	NUM
ap-3988	53	15	2−d2	2−d2	NUM
ap-3988	53	16	1	1	NUM
ap-3988	53	17	)	)	PUNCT
ap-3988	53	18	4	4	NUM
ap-3988	53	19	π(d2	π(d2	NOUN
ap-3988	53	20	−d1	−d1	NOUN
ap-3988	53	21	)	)	PUNCT
ap-3988	53	22	=	=	SYM
ap-3988	53	23	d2	d2	PROPN
ap-3988	53	24	−d1	−d1	PROPN
ap-3988	53	25	.	.	PUNCT
ap-3988	54	1	(	(	PUNCT
ap-3988	54	2	2	2	X
ap-3988	54	3	)	)	PUNCT
ap-3988	54	4	figure	figure	NOUN
ap-3988	54	5	2	2	NUM
ap-3988	54	6	.	.	PUNCT
ap-3988	54	7	schematic	schematic	ADJ
ap-3988	54	8	of	of	ADP
ap-3988	54	9	groove	groove	NOUN
ap-3988	54	10	.	.	PUNCT
ap-3988	55	1	the	the	DET
ap-3988	55	2	friction	friction	NOUN
ap-3988	55	3	factor	factor	NOUN
ap-3988	55	4	f	f	PROPN
ap-3988	55	5	calculated	calculate	VERB
ap-3988	55	6	from	from	ADP
ap-3988	55	7	pressure	pressure	NOUN
ap-3988	55	8	drop	drop	NOUN
ap-3988	55	9	as	as	ADP
ap-3988	55	10	f	f	NOUN
ap-3988	55	11	=	=	NOUN
ap-3988	55	12	2∆p	2∆p	NUM
ap-3988	55	13	l	l	NOUN
ap-3988	55	14	dh	dh	NOUN
ap-3988	55	15	ρu2	ρu2	X
ap-3988	55	16	.	.	PUNCT
ap-3988	56	1	(	(	PUNCT
ap-3988	56	2	3	3	X
ap-3988	56	3	)	)	PUNCT
ap-3988	56	4	the	the	DET
ap-3988	56	5	heat	heat	NOUN
ap-3988	56	6	transfer	transfer	NOUN
ap-3988	56	7	,	,	PUNCT
ap-3988	56	8	the	the	DET
ap-3988	56	9	heat	heat	NOUN
ap-3988	56	10	transfer	transfer	NOUN
ap-3988	56	11	enhancement	enhancement	NOUN
ap-3988	56	12	and	and	CCONJ
ap-3988	56	13	heat	heat	NOUN
ap-3988	56	14	capacity	capacity	NOUN
ap-3988	56	15	ratio	ratio	NOUN
ap-3988	56	16	defined	define	VERB
ap-3988	56	17	as	as	ADP
ap-3988	56	18	q	q	NOUN
ap-3988	56	19	=	=	SYM
ap-3988	56	20	ṁcp∆t	ṁcp∆t	PROPN
ap-3988	56	21	,	,	PUNCT
ap-3988	56	22	(	(	PUNCT
ap-3988	56	23	4	4	X
ap-3988	56	24	)	)	PUNCT
ap-3988	56	25	eh	eh	INTJ
ap-3988	57	1	=	=	PRON
ap-3988	57	2	qgroove	qgroove	VERB
ap-3988	57	3	qsmooth	qsmooth	NOUN
ap-3988	57	4	,	,	PUNCT
ap-3988	57	5	(	(	PUNCT
ap-3988	57	6	5	5	NUM
ap-3988	57	7	)	)	PUNCT
ap-3988	57	8	c	c	NOUN
ap-3988	58	1	=	=	SYM
ap-3988	58	2	cmin	cmin	NOUN
ap-3988	58	3	cmax	cmax	NOUN
ap-3988	58	4	.	.	PUNCT
ap-3988	59	1	(	(	PUNCT
ap-3988	59	2	6	6	X
ap-3988	59	3	)	)	PUNCT
ap-3988	59	4	the	the	DET
ap-3988	59	5	ntu	ntu	PROPN
ap-3988	59	6	and	and	CCONJ
ap-3988	59	7	effectiveness	effectiveness	NOUN
ap-3988	59	8	follow	follow	NOUN
ap-3988	59	9	ntu	ntu	PROPN
ap-3988	59	10	=	=	SYM
ap-3988	59	11	ua	ua	PROPN
ap-3988	59	12	cmin	cmin	PROPN
ap-3988	59	13	;	;	PUNCT
ap-3988	59	14	u	u	NOUN
ap-3988	59	15	=	=	PROPN
ap-3988	59	16	ntucmin	ntucmin	PROPN
ap-3988	59	17	a	a	PRON
ap-3988	59	18	,	,	PUNCT
ap-3988	59	19	(	(	PUNCT
ap-3988	59	20	7	7	X
ap-3988	59	21	)	)	PUNCT
ap-3988	59	22	ε	ε	X
ap-3988	59	23	=	=	SYM
ap-3988	60	1	1	1	NUM
ap-3988	60	2	−	−	NOUN
ap-3988	60	3	exp(−ntu(1	exp(−ntu(1	NOUN
ap-3988	60	4	−	−	NOUN
ap-3988	60	5	c	c	NOUN
ap-3988	60	6	)	)	PUNCT
ap-3988	60	7	)	)	PUNCT
ap-3988	61	1	1	1	NUM
ap-3988	61	2	−	−	NOUN
ap-3988	61	3	c	c	NOUN
ap-3988	61	4	exp(−ntu(1	exp(−ntu(1	NOUN
ap-3988	62	1	−	−	NOUN
ap-3988	63	1	c	c	NOUN
ap-3988	63	2	)	)	PUNCT
ap-3988	63	3	)	)	PUNCT
ap-3988	63	4	.	.	PUNCT
ap-3988	64	1	(	(	PUNCT
ap-3988	64	2	8)	8)	NUM
ap-3988	64	3	2.2	2.2	NUM
ap-3988	64	4	.	.	PUNCT
ap-3988	65	1	uncertainity	uncertainity	NOUN
ap-3988	65	2	analysis	analysis	NOUN
ap-3988	65	3	experimental	experimental	ADJ
ap-3988	65	4	uncertainty	uncertainty	NOUN
ap-3988	65	5	was	be	AUX
ap-3988	65	6	determined	determine	VERB
ap-3988	65	7	by	by	ADP
ap-3988	65	8	the	the	DET
ap-3988	65	9	deviation	deviation	NOUN
ap-3988	65	10	of	of	ADP
ap-3988	65	11	the	the	DET
ap-3988	65	12	parameters	parameter	NOUN
ap-3988	65	13	,	,	PUNCT
ap-3988	65	14	including	include	VERB
ap-3988	65	15	temperature	temperature	NOUN
ap-3988	65	16	,	,	PUNCT
ap-3988	65	17	pressure	pressure	NOUN
ap-3988	65	18	,	,	PUNCT
ap-3988	65	19	and	and	CCONJ
ap-3988	65	20	flow	flow	NOUN
ap-3988	65	21	rate	rate	NOUN
ap-3988	65	22	.	.	PUNCT
ap-3988	66	1	the	the	DET
ap-3988	66	2	precision	precision	NOUN
ap-3988	66	3	of	of	ADP
ap-3988	66	4	temperature	temperature	NOUN
ap-3988	66	5	data	datum	NOUN
ap-3988	66	6	acquisitions	acquisition	NOUN
ap-3988	66	7	is	be	AUX
ap-3988	66	8	±0.1	±0.1	PROPN
ap-3988	66	9	°	°	ADP
ap-3988	66	10	c	c	PROPN
ap-3988	66	11	,	,	PUNCT
ap-3988	66	12	the	the	DET
ap-3988	66	13	pressure	pressure	NOUN
ap-3988	66	14	drop	drop	NOUN
ap-3988	66	15	was	be	AUX
ap-3988	66	16	measured	measure	VERB
ap-3988	66	17	by	by	ADP
ap-3988	66	18	pressure	pressure	NOUN
ap-3988	66	19	transducers	transducer	NOUN
ap-3988	66	20	with	with	ADP
ap-3988	66	21	the	the	DET
ap-3988	66	22	accuracy	accuracy	NOUN
ap-3988	66	23	of	of	ADP
ap-3988	66	24	±2.5	±2.5	PROPN
ap-3988	66	25	%	%	NOUN
ap-3988	66	26	,	,	PUNCT
ap-3988	66	27	the	the	DET
ap-3988	66	28	flow	flow	NOUN
ap-3988	66	29	rate	rate	NOUN
ap-3988	66	30	was	be	AUX
ap-3988	66	31	measured	measure	VERB
ap-3988	66	32	by	by	ADP
ap-3988	66	33	a	a	DET
ap-3988	66	34	rotameter	rotameter	NOUN
ap-3988	66	35	with	with	ADP
ap-3988	66	36	a	a	DET
ap-3988	66	37	full	full	ADJ
ap-3988	66	38	scale	scale	NOUN
ap-3988	66	39	accuracy	accuracy	NOUN
ap-3988	66	40	of	of	ADP
ap-3988	66	41	±5	±5	NOUN
ap-3988	66	42	%	%	NOUN
ap-3988	66	43	.	.	PUNCT
ap-3988	67	1	the	the	DET
ap-3988	67	2	uncertainty	uncertainty	NOUN
ap-3988	67	3	of	of	ADP
ap-3988	67	4	experimental	experimental	ADJ
ap-3988	67	5	results	result	NOUN
ap-3988	67	6	could	could	AUX
ap-3988	67	7	be	be	AUX
ap-3988	67	8	expressed	express	VERB
ap-3988	67	9	as	as	SCONJ
ap-3988	67	10	follows	follow	VERB
ap-3988	67	11	[	[	X
ap-3988	67	12	29	29	NUM
ap-3988	67	13	]	]	SYM
ap-3988	67	14	:	:	PUNCT
ap-3988	67	15	um	um	INTJ
ap-3988	67	16	=	=	SYM
ap-3988	67	17	±	±	PROPN
ap-3988	67	18	(	(	PUNCT
ap-3988	67	19	(	(	PUNCT
ap-3988	67	20	∆t	∆t	PROPN
ap-3988	67	21	t	t	NOUN
ap-3988	67	22	)	)	PUNCT
ap-3988	67	23	2	2	NUM
ap-3988	68	1	+	+	CCONJ
ap-3988	68	2	(	(	PUNCT
ap-3988	68	3	∆p	∆p	PROPN
ap-3988	68	4	p	p	NOUN
ap-3988	68	5	)	)	PUNCT
ap-3988	68	6	2	2	NUM
ap-3988	68	7	+	+	CCONJ
ap-3988	68	8	(	(	PUNCT
ap-3988	68	9	∆v	∆v	PROPN
ap-3988	68	10	v	v	NOUN
ap-3988	68	11	)	)	PUNCT
ap-3988	68	12	2	2	NUM
ap-3988	68	13	)	)	PUNCT
ap-3988	68	14	1/2	1/2	NUM
ap-3988	68	15	,	,	PUNCT
ap-3988	68	16	(	(	PUNCT
ap-3988	68	17	9	9	NUM
ap-3988	68	18	)	)	PUNCT
ap-3988	68	19	therefore	therefore	ADV
ap-3988	68	20	the	the	DET
ap-3988	68	21	experiment	experiment	NOUN
ap-3988	68	22	uncertainty	uncertainty	NOUN
ap-3988	68	23	was	be	AUX
ap-3988	68	24	about	about	ADV
ap-3988	68	25	5	5	NUM
ap-3988	68	26	%	%	NOUN
ap-3988	68	27	3	3	NUM
ap-3988	68	28	.	.	NOUN
ap-3988	68	29	results	result	NOUN
ap-3988	68	30	and	and	CCONJ
ap-3988	68	31	discusscion	discusscion	NOUN
ap-3988	68	32	preliminary	preliminary	ADJ
ap-3988	68	33	experiments	experiment	NOUN
ap-3988	68	34	were	be	AUX
ap-3988	68	35	done	do	VERB
ap-3988	68	36	using	use	VERB
ap-3988	68	37	the	the	DET
ap-3988	68	38	smooth	smooth	ADJ
ap-3988	68	39	annulus	annulus	NOUN
ap-3988	68	40	of	of	ADP
ap-3988	68	41	a	a	DET
ap-3988	68	42	double	double	ADJ
ap-3988	68	43	pipe	pipe	NOUN
ap-3988	68	44	heat	heat	NOUN
ap-3988	68	45	exchanger	exchanger	NOUN
ap-3988	68	46	to	to	PART
ap-3988	68	47	determine	determine	VERB
ap-3988	68	48	the	the	DET
ap-3988	68	49	amount	amount	NOUN
ap-3988	68	50	of	of	ADP
ap-3988	68	51	the	the	DET
ap-3988	68	52	pressure	pressure	NOUN
ap-3988	68	53	drop	drop	NOUN
ap-3988	68	54	.	.	PUNCT
ap-3988	69	1	this	this	DET
ap-3988	69	2	data	datum	NOUN
ap-3988	69	3	were	be	AUX
ap-3988	69	4	then	then	ADV
ap-3988	69	5	used	use	VERB
ap-3988	69	6	as	as	ADP
ap-3988	69	7	a	a	DET
ap-3988	69	8	comparison	comparison	NOUN
ap-3988	69	9	to	to	ADP
ap-3988	69	10	that	that	PRON
ap-3988	69	11	of	of	ADP
ap-3988	69	12	the	the	DET
ap-3988	69	13	grooved	groove	VERB
ap-3988	69	14	annulus	annulus	NOUN
ap-3988	69	15	.	.	PUNCT
ap-3988	70	1	figure	figure	NOUN
ap-3988	70	2	3a	3a	PROPN
ap-3988	70	3	shows	show	VERB
ap-3988	70	4	the	the	DET
ap-3988	70	5	overall	overall	ADJ
ap-3988	70	6	pressure	pressure	NOUN
ap-3988	70	7	drop	drop	NOUN
ap-3988	70	8	of	of	ADP
ap-3988	70	9	a	a	DET
ap-3988	70	10	double	double	ADJ
ap-3988	70	11	pipe	pipe	NOUN
ap-3988	70	12	heat	heat	NOUN
ap-3988	70	13	exchanger	exchanger	NOUN
ap-3988	70	14	at	at	ADP
ap-3988	70	15	various	various	ADJ
ap-3988	70	16	values	value	NOUN
ap-3988	70	17	of	of	ADP
ap-3988	70	18	reynolds	reynolds	PROPN
ap-3988	70	19	number	number	PROPN
ap-3988	70	20	.	.	PUNCT
ap-3988	71	1	from	from	ADP
ap-3988	71	2	figure	figure	NOUN
ap-3988	71	3	3a	3a	NUM
ap-3988	71	4	,	,	PUNCT
ap-3988	71	5	it	it	PRON
ap-3988	71	6	can	can	AUX
ap-3988	71	7	be	be	AUX
ap-3988	71	8	seen	see	VERB
ap-3988	71	9	that	that	SCONJ
ap-3988	71	10	the	the	DET
ap-3988	71	11	application	application	NOUN
ap-3988	71	12	of	of	ADP
ap-3988	71	13	grooves	groove	NOUN
ap-3988	71	14	on	on	ADP
ap-3988	71	15	the	the	DET
ap-3988	71	16	annulus	annulus	NOUN
ap-3988	71	17	room	room	NOUN
ap-3988	71	18	of	of	ADP
ap-3988	71	19	a	a	DET
ap-3988	71	20	double	double	ADJ
ap-3988	71	21	pipe	pipe	NOUN
ap-3988	71	22	heat	heat	NOUN
ap-3988	71	23	exchanger	exchanger	NOUN
ap-3988	71	24	leads	lead	VERB
ap-3988	71	25	to	to	ADP
ap-3988	71	26	a	a	DET
ap-3988	71	27	substantial	substantial	ADJ
ap-3988	71	28	increase	increase	NOUN
ap-3988	71	29	of	of	ADP
ap-3988	71	30	pressure	pressure	NOUN
ap-3988	71	31	drop	drop	NOUN
ap-3988	71	32	,	,	PUNCT
ap-3988	71	33	about	about	ADV
ap-3988	71	34	15.82	15.82	NUM
ap-3988	71	35	%	%	NOUN
ap-3988	71	36	to	to	ADP
ap-3988	71	37	16.72	16.72	NUM
ap-3988	71	38	%	%	NOUN
ap-3988	71	39	compared	compare	VERB
ap-3988	71	40	to	to	ADP
ap-3988	71	41	that	that	PRON
ap-3988	71	42	of	of	ADP
ap-3988	71	43	the	the	DET
ap-3988	71	44	smooth	smooth	ADJ
ap-3988	71	45	annulus	annulus	NOUN
ap-3988	71	46	.	.	PUNCT
ap-3988	72	1	the	the	DET
ap-3988	72	2	grooves	groove	NOUN
ap-3988	72	3	provided	provide	VERB
ap-3988	72	4	the	the	DET
ap-3988	72	5	enhancing	enhance	VERB
ap-3988	72	6	turbulence	turbulence	NOUN
ap-3988	72	7	by	by	ADP
ap-3988	72	8	increasing	increase	VERB
ap-3988	72	9	the	the	DET
ap-3988	72	10	recirculation	recirculation	NOUN
ap-3988	72	11	126	126	NUM
ap-3988	72	12	vol	vol	NOUN
ap-3988	72	13	.	.	PUNCT
ap-3988	73	1	57	57	NUM
ap-3988	73	2	no	no	NOUN
ap-3988	73	3	.	.	PUNCT
ap-3988	74	1	2/2017	2/2017	NUM
ap-3988	74	2	heat	heat	NOUN
ap-3988	74	3	transfer	transfer	NOUN
ap-3988	74	4	enhancement	enhancement	NOUN
ap-3988	74	5	and	and	CCONJ
ap-3988	74	6	pressure	pressure	NOUN
ap-3988	74	7	drop	drop	NOUN
ap-3988	74	8	figure	figure	NOUN
ap-3988	74	9	3	3	NUM
ap-3988	74	10	.	.	PUNCT
ap-3988	74	11	pressure	pressure	NOUN
ap-3988	74	12	drop	drop	NOUN
ap-3988	74	13	and	and	CCONJ
ap-3988	74	14	friction	friction	NOUN
ap-3988	74	15	factor	factor	NOUN
ap-3988	74	16	of	of	ADP
ap-3988	74	17	double	double	ADJ
ap-3988	74	18	pipe	pipe	NOUN
ap-3988	74	19	heat	heat	NOUN
ap-3988	74	20	exchanger	exchanger	NOUN
ap-3988	74	21	:	:	PUNCT
ap-3988	74	22	(	(	PUNCT
ap-3988	74	23	a	a	X
ap-3988	74	24	)	)	PUNCT
ap-3988	74	25	overall	overall	ADJ
ap-3988	74	26	pressure	pressure	NOUN
ap-3988	74	27	drop	drop	NOUN
ap-3988	74	28	;	;	PUNCT
ap-3988	74	29	(	(	PUNCT
ap-3988	74	30	b	b	X
ap-3988	74	31	)	)	PUNCT
ap-3988	74	32	friction	friction	NOUN
ap-3988	74	33	factor	factor	NOUN
ap-3988	74	34	.	.	PUNCT
ap-3988	75	1	figure	figure	NOUN
ap-3988	75	2	4	4	NUM
ap-3988	75	3	.	.	PUNCT
ap-3988	76	1	the	the	DET
ap-3988	76	2	variation	variation	NOUN
ap-3988	76	3	of	of	ADP
ap-3988	76	4	heat	heat	NOUN
ap-3988	76	5	transfer	transfer	NOUN
ap-3988	76	6	with	with	ADP
ap-3988	76	7	reynold	reynold	ADJ
ap-3988	76	8	number	number	NOUN
ap-3988	76	9	.	.	PUNCT
ap-3988	77	1	region	region	NOUN
ap-3988	77	2	near	near	ADP
ap-3988	77	3	the	the	DET
ap-3988	77	4	pipe	pipe	NOUN
ap-3988	77	5	wall	wall	NOUN
ap-3988	77	6	.	.	PUNCT
ap-3988	78	1	this	this	DET
ap-3988	78	2	phenomenon	phenomenon	NOUN
ap-3988	78	3	tends	tend	VERB
ap-3988	78	4	to	to	PART
ap-3988	78	5	increase	increase	VERB
ap-3988	78	6	the	the	DET
ap-3988	78	7	shear	shear	NOUN
ap-3988	78	8	stress	stress	NOUN
ap-3988	78	9	and	and	CCONJ
ap-3988	78	10	the	the	DET
ap-3988	78	11	pressure	pressure	NOUN
ap-3988	78	12	drop	drop	NOUN
ap-3988	78	13	.	.	PUNCT
ap-3988	79	1	figure	figure	NOUN
ap-3988	79	2	3a	3a	PROPN
ap-3988	79	3	indicates	indicate	VERB
ap-3988	79	4	linear	linear	ADJ
ap-3988	79	5	pressure	pressure	NOUN
ap-3988	79	6	drop	drop	NOUN
ap-3988	79	7	for	for	ADP
ap-3988	79	8	increased	increase	VERB
ap-3988	79	9	re	re	X
ap-3988	79	10	of	of	ADP
ap-3988	79	11	the	the	DET
ap-3988	79	12	annulus	annulus	NOUN
ap-3988	79	13	.	.	PUNCT
ap-3988	80	1	the	the	DET
ap-3988	80	2	influence	influence	NOUN
ap-3988	80	3	of	of	ADP
ap-3988	80	4	using	use	VERB
ap-3988	80	5	circumferentialrectangular	circumferentialrectangular	ADJ
ap-3988	80	6	grooves	groove	NOUN
ap-3988	80	7	towards	towards	ADP
ap-3988	80	8	friction	friction	NOUN
ap-3988	80	9	of	of	ADP
ap-3988	80	10	the	the	DET
ap-3988	80	11	annulus	annulus	NOUN
ap-3988	80	12	is	be	AUX
ap-3988	80	13	displayed	display	VERB
ap-3988	80	14	in	in	ADP
ap-3988	80	15	figure	figure	NOUN
ap-3988	80	16	3b	3b	NUM
ap-3988	80	17	.	.	PUNCT
ap-3988	81	1	in	in	ADP
ap-3988	81	2	the	the	DET
ap-3988	81	3	figure	figure	NOUN
ap-3988	81	4	3b	3b	NOUN
ap-3988	81	5	,	,	PUNCT
ap-3988	81	6	it	it	PRON
ap-3988	81	7	can	can	AUX
ap-3988	81	8	be	be	AUX
ap-3988	81	9	seen	see	VERB
ap-3988	81	10	that	that	SCONJ
ap-3988	81	11	the	the	DET
ap-3988	81	12	application	application	NOUN
ap-3988	81	13	of	of	ADP
ap-3988	81	14	grooved	groove	VERB
ap-3988	81	15	annulus	annulus	NOUN
ap-3988	81	16	tends	tend	VERB
ap-3988	81	17	to	to	PART
ap-3988	81	18	increase	increase	VERB
ap-3988	81	19	the	the	DET
ap-3988	81	20	friction	friction	NOUN
ap-3988	81	21	factor	factor	NOUN
ap-3988	81	22	when	when	SCONJ
ap-3988	81	23	compared	compare	VERB
ap-3988	81	24	to	to	ADP
ap-3988	81	25	the	the	DET
ap-3988	81	26	one	one	NUM
ap-3988	81	27	of	of	ADP
ap-3988	81	28	the	the	DET
ap-3988	81	29	smooth	smooth	ADJ
ap-3988	81	30	annulus	annulus	NOUN
ap-3988	81	31	.	.	PUNCT
ap-3988	82	1	the	the	DET
ap-3988	82	2	friction	friction	NOUN
ap-3988	82	3	factor	factor	NOUN
ap-3988	82	4	decreases	decrease	VERB
ap-3988	82	5	with	with	ADP
ap-3988	82	6	the	the	DET
ap-3988	82	7	increasing	increase	VERB
ap-3988	82	8	re	re	NOUN
ap-3988	82	9	.	.	PUNCT
ap-3988	83	1	the	the	DET
ap-3988	83	2	friction	friction	NOUN
ap-3988	83	3	loss	loss	NOUN
ap-3988	83	4	is	be	AUX
ap-3988	83	5	mainly	mainly	ADV
ap-3988	83	6	caused	cause	VERB
ap-3988	83	7	by	by	ADP
ap-3988	83	8	the	the	DET
ap-3988	83	9	increased	increase	VERB
ap-3988	83	10	surface	surface	NOUN
ap-3988	83	11	area	area	NOUN
ap-3988	83	12	,	,	PUNCT
ap-3988	83	13	higher	high	ADJ
ap-3988	83	14	recirculation	recirculation	NOUN
ap-3988	83	15	intensity	intensity	NOUN
ap-3988	83	16	and	and	CCONJ
ap-3988	83	17	stronger	strong	ADJ
ap-3988	83	18	vortex	vortex	NOUN
ap-3988	83	19	flow	flow	NOUN
ap-3988	83	20	around	around	ADP
ap-3988	83	21	the	the	DET
ap-3988	83	22	groove	groove	NOUN
ap-3988	83	23	(	(	PUNCT
ap-3988	83	24	figure	figure	NOUN
ap-3988	83	25	7	7	NUM
ap-3988	83	26	)	)	PUNCT
ap-3988	83	27	.	.	PUNCT
ap-3988	84	1	figure	figure	NOUN
ap-3988	84	2	4	4	NUM
ap-3988	84	3	shows	show	VERB
ap-3988	84	4	the	the	DET
ap-3988	84	5	total	total	ADJ
ap-3988	84	6	heat	heat	NOUN
ap-3988	84	7	transfer	transfer	NOUN
ap-3988	84	8	by	by	ADP
ap-3988	84	9	the	the	DET
ap-3988	84	10	heat	heat	NOUN
ap-3988	84	11	exchanger	exchanger	NOUN
ap-3988	84	12	for	for	ADP
ap-3988	84	13	a	a	DET
ap-3988	84	14	period	period	NOUN
ap-3988	84	15	of	of	ADP
ap-3988	84	16	time	time	NOUN
ap-3988	84	17	.	.	PUNCT
ap-3988	85	1	it	it	PRON
ap-3988	85	2	was	be	AUX
ap-3988	85	3	found	find	VERB
ap-3988	85	4	out	out	ADP
ap-3988	85	5	that	that	SCONJ
ap-3988	85	6	the	the	DET
ap-3988	85	7	heat	heat	NOUN
ap-3988	85	8	transfer	transfer	NOUN
ap-3988	85	9	increased	increase	VERB
ap-3988	85	10	with	with	ADP
ap-3988	85	11	the	the	DET
ap-3988	85	12	increase	increase	NOUN
ap-3988	85	13	of	of	ADP
ap-3988	85	14	the	the	DET
ap-3988	85	15	reynolds	reynolds	PROPN
ap-3988	85	16	number	number	NOUN
ap-3988	85	17	and	and	CCONJ
ap-3988	85	18	the	the	DET
ap-3988	85	19	grooved	groove	VERB
ap-3988	85	20	annulus	annulus	NOUN
ap-3988	85	21	gave	give	VERB
ap-3988	85	22	higher	high	ADJ
ap-3988	85	23	total	total	ADJ
ap-3988	85	24	heat	heat	NOUN
ap-3988	85	25	transfer	transfer	NOUN
ap-3988	85	26	than	than	ADP
ap-3988	85	27	the	the	DET
ap-3988	85	28	smooth	smooth	ADJ
ap-3988	85	29	annulus	annulus	NOUN
ap-3988	85	30	.	.	PUNCT
ap-3988	86	1	from	from	ADP
ap-3988	86	2	this	this	DET
ap-3988	86	3	figure	figure	NOUN
ap-3988	86	4	,	,	PUNCT
ap-3988	86	5	the	the	DET
ap-3988	86	6	heat	heat	NOUN
ap-3988	86	7	transfer	transfer	NOUN
ap-3988	86	8	enhancements	enhancement	NOUN
ap-3988	86	9	were	be	AUX
ap-3988	86	10	calculated	calculate	VERB
ap-3988	86	11	using	use	VERB
ap-3988	86	12	(	(	PUNCT
ap-3988	86	13	5	5	NUM
ap-3988	86	14	)	)	PUNCT
ap-3988	86	15	.	.	PUNCT
ap-3988	87	1	the	the	DET
ap-3988	87	2	highest	high	ADJ
ap-3988	87	3	enhancement	enhancement	NOUN
ap-3988	87	4	at	at	ADP
ap-3988	87	5	the	the	DET
ap-3988	87	6	highest	high	ADJ
ap-3988	87	7	re	re	NOUN
ap-3988	87	8	was	be	AUX
ap-3988	87	9	observed	observe	VERB
ap-3988	87	10	at	at	ADP
ap-3988	87	11	1.11	1.11	NUM
ap-3988	87	12	.	.	PUNCT
ap-3988	88	1	the	the	DET
ap-3988	88	2	swirl	swirl	ADJ
ap-3988	88	3	flow	flow	NOUN
ap-3988	88	4	on	on	ADP
ap-3988	88	5	the	the	DET
ap-3988	88	6	fluid	fluid	NOUN
ap-3988	88	7	near	near	ADP
ap-3988	88	8	the	the	DET
ap-3988	88	9	pipe	pipe	NOUN
ap-3988	88	10	wall	wall	NOUN
ap-3988	88	11	generated	generate	VERB
ap-3988	88	12	by	by	ADP
ap-3988	88	13	the	the	DET
ap-3988	88	14	groove	groove	NOUN
ap-3988	88	15	was	be	AUX
ap-3988	88	16	responsible	responsible	ADJ
ap-3988	88	17	for	for	ADP
ap-3988	88	18	thinning	thin	VERB
ap-3988	88	19	the	the	DET
ap-3988	88	20	thermal	thermal	ADJ
ap-3988	88	21	boundary	boundary	ADJ
ap-3988	88	22	figure	figure	NOUN
ap-3988	88	23	5	5	NUM
ap-3988	88	24	.	.	NOUN
ap-3988	88	25	effectiveness	effectiveness	NOUN
ap-3988	88	26	and	and	CCONJ
ap-3988	88	27	ntu	ntu	PROPN
ap-3988	88	28	relationship	relationship	NOUN
ap-3988	88	29	.	.	PUNCT
ap-3988	89	1	layer	layer	NOUN
ap-3988	90	1	and	and	CCONJ
ap-3988	90	2	made	make	VERB
ap-3988	90	3	the	the	DET
ap-3988	90	4	heat	heat	NOUN
ap-3988	90	5	transfer	transfer	NOUN
ap-3988	90	6	higher	high	ADJ
ap-3988	90	7	through	through	ADP
ap-3988	90	8	the	the	DET
ap-3988	90	9	fluid	fluid	NOUN
ap-3988	90	10	.	.	PUNCT
ap-3988	91	1	the	the	DET
ap-3988	91	2	effectiveness	effectiveness	NOUN
ap-3988	91	3	and	and	CCONJ
ap-3988	91	4	the	the	DET
ap-3988	91	5	ntu	ntu	PROPN
ap-3988	91	6	relationship	relationship	NOUN
ap-3988	91	7	of	of	ADP
ap-3988	91	8	the	the	DET
ap-3988	91	9	investigation	investigation	NOUN
ap-3988	91	10	were	be	AUX
ap-3988	91	11	presented	present	VERB
ap-3988	91	12	in	in	ADP
ap-3988	91	13	figure	figure	NOUN
ap-3988	91	14	5	5	NUM
ap-3988	91	15	.	.	PUNCT
ap-3988	92	1	numbers	number	NOUN
ap-3988	92	2	1	1	NUM
ap-3988	92	3	to	to	PART
ap-3988	92	4	5	5	NUM
ap-3988	92	5	represent	represent	VERB
ap-3988	92	6	the	the	DET
ap-3988	92	7	heat	heat	NOUN
ap-3988	92	8	capacity	capacity	NOUN
ap-3988	92	9	ratio	ratio	NOUN
ap-3988	92	10	c	c	PROPN
ap-3988	92	11	of	of	ADP
ap-3988	92	12	this	this	DET
ap-3988	92	13	experiment	experiment	NOUN
ap-3988	92	14	at	at	ADP
ap-3988	92	15	specific	specific	ADJ
ap-3988	92	16	reynolds	reynold	NOUN
ap-3988	92	17	number	number	NOUN
ap-3988	92	18	re	re	PROPN
ap-3988	92	19	.	.	PUNCT
ap-3988	93	1	the	the	DET
ap-3988	93	2	ntu	ntu	PROPN
ap-3988	93	3	and	and	CCONJ
ap-3988	93	4	effectiveness	effectiveness	NOUN
ap-3988	93	5	ε	ε	PROPN
ap-3988	93	6	of	of	ADP
ap-3988	93	7	the	the	DET
ap-3988	93	8	grooved	groove	VERB
ap-3988	93	9	annulus	annulus	NOUN
ap-3988	93	10	were	be	AUX
ap-3988	93	11	compared	compare	VERB
ap-3988	93	12	to	to	ADP
ap-3988	93	13	that	that	PRON
ap-3988	93	14	of	of	ADP
ap-3988	93	15	the	the	DET
ap-3988	93	16	smooth	smooth	ADJ
ap-3988	93	17	annulus	annulus	NOUN
ap-3988	93	18	.	.	PUNCT
ap-3988	94	1	it	it	PRON
ap-3988	94	2	was	be	AUX
ap-3988	94	3	found	find	VERB
ap-3988	94	4	out	out	ADP
ap-3988	94	5	that	that	SCONJ
ap-3988	94	6	the	the	DET
ap-3988	94	7	heat	heat	NOUN
ap-3988	94	8	capacity	capacity	NOUN
ap-3988	94	9	ratio	ratio	NOUN
ap-3988	94	10	influenced	influence	VERB
ap-3988	94	11	the	the	DET
ap-3988	94	12	ntu	ntu	NOUN
ap-3988	94	13	and	and	CCONJ
ap-3988	94	14	effectiveness	effectiveness	NOUN
ap-3988	94	15	.	.	PUNCT
ap-3988	95	1	figure	figure	NOUN
ap-3988	95	2	5	5	NUM
ap-3988	95	3	shows	show	VERB
ap-3988	95	4	that	that	SCONJ
ap-3988	95	5	the	the	DET
ap-3988	95	6	increased	increase	VERB
ap-3988	95	7	heat	heat	NOUN
ap-3988	95	8	capacity	capacity	NOUN
ap-3988	95	9	ratio	ratio	NOUN
ap-3988	95	10	caused	cause	VERB
ap-3988	95	11	a	a	DET
ap-3988	95	12	decrease	decrease	NOUN
ap-3988	95	13	in	in	ADP
ap-3988	95	14	the	the	DET
ap-3988	95	15	ntu	ntu	NOUN
ap-3988	95	16	and	and	CCONJ
ap-3988	95	17	effectiveness	effectiveness	NOUN
ap-3988	95	18	.	.	PUNCT
ap-3988	96	1	at	at	ADP
ap-3988	96	2	the	the	DET
ap-3988	96	3	same	same	ADJ
ap-3988	96	4	heat	heat	NOUN
ap-3988	96	5	capacity	capacity	NOUN
ap-3988	96	6	ratio	ratio	NOUN
ap-3988	96	7	,	,	PUNCT
ap-3988	96	8	the	the	DET
ap-3988	96	9	effectiveness	effectiveness	NOUN
ap-3988	96	10	and	and	CCONJ
ap-3988	96	11	the	the	DET
ap-3988	96	12	ntu	ntu	NOUN
ap-3988	96	13	of	of	ADP
ap-3988	96	14	the	the	DET
ap-3988	96	15	grooved	groove	VERB
ap-3988	96	16	annulus	annulus	NOUN
ap-3988	96	17	were	be	AUX
ap-3988	96	18	higher	high	ADJ
ap-3988	96	19	than	than	ADP
ap-3988	96	20	those	those	PRON
ap-3988	96	21	of	of	ADP
ap-3988	96	22	the	the	DET
ap-3988	96	23	smooth	smooth	ADJ
ap-3988	96	24	annulus	annulus	NOUN
ap-3988	96	25	.	.	PUNCT
ap-3988	97	1	the	the	DET
ap-3988	97	2	increase	increase	NOUN
ap-3988	97	3	of	of	ADP
ap-3988	97	4	effectiveness	effectiveness	NOUN
ap-3988	97	5	is	be	AUX
ap-3988	97	6	indicated	indicate	VERB
ap-3988	97	7	by	by	ADP
ap-3988	97	8	the	the	DET
ap-3988	97	9	increased	increase	VERB
ap-3988	97	10	rate	rate	NOUN
ap-3988	97	11	of	of	ADP
ap-3988	97	12	the	the	DET
ap-3988	97	13	actual	actual	ADJ
ap-3988	97	14	heat	heat	NOUN
ap-3988	97	15	transfer	transfer	NOUN
ap-3988	97	16	.	.	PUNCT
ap-3988	98	1	while	while	SCONJ
ap-3988	98	2	the	the	DET
ap-3988	98	3	increase	increase	NOUN
ap-3988	98	4	of	of	ADP
ap-3988	98	5	the	the	DET
ap-3988	98	6	ntu	ntu	PROPN
ap-3988	98	7	indicates	indicate	VERB
ap-3988	98	8	an	an	DET
ap-3988	98	9	increase	increase	NOUN
ap-3988	98	10	of	of	ADP
ap-3988	98	11	the	the	DET
ap-3988	98	12	overall	overall	ADJ
ap-3988	98	13	heat	heat	NOUN
ap-3988	98	14	transfer	transfer	NOUN
ap-3988	98	15	coefficient	coefficient	NOUN
ap-3988	98	16	and	and	CCONJ
ap-3988	98	17	surface	surface	NOUN
ap-3988	98	18	area	area	NOUN
ap-3988	98	19	ua	ua	PROPN
ap-3988	98	20	value	value	NOUN
ap-3988	98	21	.	.	PUNCT
ap-3988	99	1	the	the	DET
ap-3988	99	2	grooves	groove	NOUN
ap-3988	99	3	lead	lead	VERB
ap-3988	99	4	to	to	ADP
ap-3988	99	5	an	an	DET
ap-3988	99	6	increase	increase	NOUN
ap-3988	99	7	of	of	ADP
ap-3988	99	8	turbulence	turbulence	NOUN
ap-3988	99	9	,	,	PUNCT
ap-3988	99	10	therefore	therefore	ADV
ap-3988	99	11	,	,	PUNCT
ap-3988	99	12	the	the	DET
ap-3988	99	13	fluid	fluid	ADJ
ap-3988	99	14	interaction	interaction	NOUN
ap-3988	99	15	and	and	CCONJ
ap-3988	99	16	momentum	momentum	NOUN
ap-3988	99	17	also	also	ADV
ap-3988	99	18	increase	increase	VERB
ap-3988	99	19	.	.	PUNCT
ap-3988	100	1	the	the	DET
ap-3988	100	2	effectiveness	effectiveness	NOUN
ap-3988	100	3	and	and	CCONJ
ap-3988	100	4	the	the	DET
ap-3988	100	5	ntu	ntu	NOUN
ap-3988	100	6	of	of	ADP
ap-3988	100	7	the	the	DET
ap-3988	100	8	grooved	groove	VERB
ap-3988	100	9	annulus	annulus	NOUN
ap-3988	100	10	were	be	AUX
ap-3988	100	11	close	close	ADJ
ap-3988	100	12	to	to	ADP
ap-3988	100	13	the	the	DET
ap-3988	100	14	results	result	NOUN
ap-3988	100	15	from	from	ADP
ap-3988	100	16	[	[	X
ap-3988	100	17	30	30	NUM
ap-3988	100	18	]	]	PUNCT
ap-3988	100	19	.	.	PUNCT
ap-3988	101	1	to	to	PART
ap-3988	101	2	give	give	VERB
ap-3988	101	3	more	more	ADV
ap-3988	101	4	detailed	detailed	ADJ
ap-3988	101	5	information	information	NOUN
ap-3988	101	6	about	about	ADP
ap-3988	101	7	the	the	DET
ap-3988	101	8	heat	heat	NOUN
ap-3988	101	9	transfer	transfer	NOUN
ap-3988	101	10	phenomenon	phenomenon	NOUN
ap-3988	101	11	in	in	ADP
ap-3988	101	12	the	the	DET
ap-3988	101	13	grooved	grooved	ADJ
ap-3988	101	14	annulus	annulus	NOUN
ap-3988	101	15	,	,	PUNCT
ap-3988	101	16	a	a	DET
ap-3988	101	17	visualization	visualization	NOUN
ap-3988	101	18	technique	technique	NOUN
ap-3988	101	19	was	be	AUX
ap-3988	101	20	developed	develop	VERB
ap-3988	101	21	.	.	PUNCT
ap-3988	102	1	the	the	DET
ap-3988	102	2	flow	flow	NOUN
ap-3988	102	3	structures	structure	NOUN
ap-3988	102	4	over	over	ADP
ap-3988	102	5	annulus	annulus	NOUN
ap-3988	102	6	were	be	AUX
ap-3988	102	7	visualized	visualize	VERB
ap-3988	102	8	using	use	VERB
ap-3988	102	9	a	a	DET
ap-3988	102	10	dye	dye	NOUN
ap-3988	102	11	technique	technique	NOUN
ap-3988	102	12	to	to	ADP
ap-3988	102	13	127	127	NUM
ap-3988	102	14	putu	putu	PROPN
ap-3988	102	15	wijaya	wijaya	PROPN
ap-3988	102	16	sunu	sunu	VERB
ap-3988	102	17	,	,	PUNCT
ap-3988	102	18	i	i	PRON
ap-3988	102	19	made	make	VERB
ap-3988	102	20	rasta	rasta	PROPN
ap-3988	102	21	acta	acta	PROPN
ap-3988	102	22	polytechnica	polytechnica	PROPN
ap-3988	102	23	figure	figure	NOUN
ap-3988	102	24	6	6	NUM
ap-3988	102	25	.	.	PUNCT
ap-3988	102	26	visualisation	visualisation	NOUN
ap-3988	102	27	of	of	ADP
ap-3988	102	28	the	the	DET
ap-3988	102	29	flow	flow	NOUN
ap-3988	102	30	in	in	ADP
ap-3988	102	31	the	the	DET
ap-3988	102	32	smooth	smooth	ADJ
ap-3988	102	33	double	double	ADJ
ap-3988	102	34	pipe	pipe	NOUN
ap-3988	102	35	heat	heat	NOUN
ap-3988	102	36	exchanger	exchanger	NOUN
ap-3988	102	37	at	at	ADP
ap-3988	102	38	240	240	NUM
ap-3988	102	39	fps	fps	PROPN
ap-3988	102	40	:	:	PUNCT
ap-3988	102	41	(	(	PUNCT
ap-3988	102	42	a	a	X
ap-3988	102	43	)	)	PUNCT
ap-3988	102	44	initial	initial	ADJ
ap-3988	102	45	condition	condition	NOUN
ap-3988	102	46	;	;	PUNCT
ap-3988	102	47	(	(	PUNCT
ap-3988	102	48	b	b	X
ap-3988	102	49	)	)	PUNCT
ap-3988	102	50	condition	condition	NOUN
ap-3988	102	51	after	after	ADP
ap-3988	102	52	0.004	0.004	NUM
ap-3988	102	53	s.	s.	PROPN
ap-3988	102	54	figure	figure	NOUN
ap-3988	102	55	7	7	NUM
ap-3988	102	56	.	.	PUNCT
ap-3988	102	57	visualisation	visualisation	NOUN
ap-3988	102	58	of	of	ADP
ap-3988	102	59	the	the	DET
ap-3988	102	60	flow	flow	NOUN
ap-3988	102	61	in	in	ADP
ap-3988	102	62	the	the	DET
ap-3988	102	63	grooved	groove	VERB
ap-3988	102	64	double	double	ADJ
ap-3988	102	65	pipe	pipe	NOUN
ap-3988	102	66	heat	heat	NOUN
ap-3988	102	67	exchanger	exchanger	NOUN
ap-3988	102	68	at	at	ADP
ap-3988	102	69	240	240	NUM
ap-3988	102	70	fps	fps	NOUN
ap-3988	102	71	.	.	PUNCT
ap-3988	103	1	(	(	PUNCT
ap-3988	103	2	a	a	X
ap-3988	103	3	)	)	PUNCT
ap-3988	103	4	initial	initial	ADJ
ap-3988	103	5	condition	condition	NOUN
ap-3988	103	6	;	;	PUNCT
ap-3988	103	7	(	(	PUNCT
ap-3988	103	8	b	b	X
ap-3988	103	9	)	)	PUNCT
ap-3988	103	10	condition	condition	NOUN
ap-3988	103	11	after	after	SCONJ
ap-3988	103	12	0.004	0.004	NUM
ap-3988	103	13	s.	s.	PROPN
ap-3988	103	14	give	give	VERB
ap-3988	103	15	more	more	ADJ
ap-3988	103	16	understanding	understanding	NOUN
ap-3988	103	17	about	about	ADP
ap-3988	103	18	what	what	PRON
ap-3988	103	19	happens	happen	VERB
ap-3988	103	20	inside	inside	ADP
ap-3988	103	21	the	the	DET
ap-3988	103	22	groove	groove	NOUN
ap-3988	103	23	valley	valley	NOUN
ap-3988	103	24	.	.	PUNCT
ap-3988	104	1	the	the	DET
ap-3988	104	2	images	image	NOUN
ap-3988	104	3	were	be	AUX
ap-3988	104	4	transferred	transfer	VERB
ap-3988	104	5	to	to	ADP
ap-3988	104	6	a	a	DET
ap-3988	104	7	computer	computer	NOUN
ap-3988	104	8	for	for	ADP
ap-3988	104	9	image	image	NOUN
ap-3988	104	10	processing	processing	NOUN
ap-3988	104	11	and	and	CCONJ
ap-3988	104	12	analysis	analysis	NOUN
ap-3988	104	13	as	as	SCONJ
ap-3988	104	14	shown	show	VERB
ap-3988	104	15	in	in	ADP
ap-3988	104	16	figures	figure	NOUN
ap-3988	104	17	6	6	NUM
ap-3988	104	18	and	and	CCONJ
ap-3988	104	19	7	7	NUM
ap-3988	104	20	.	.	PUNCT
ap-3988	105	1	the	the	DET
ap-3988	105	2	small	small	ADJ
ap-3988	105	3	round	round	NOUN
ap-3988	105	4	shape	shape	NOUN
ap-3988	105	5	is	be	AUX
ap-3988	105	6	the	the	DET
ap-3988	105	7	fluid	fluid	ADJ
ap-3988	105	8	lump	lump	NOUN
ap-3988	105	9	considered	consider	VERB
ap-3988	105	10	to	to	PART
ap-3988	105	11	be	be	AUX
ap-3988	105	12	the	the	DET
ap-3988	105	13	vortex	vortex	NOUN
ap-3988	105	14	near	near	ADP
ap-3988	105	15	the	the	DET
ap-3988	105	16	groove	groove	NOUN
ap-3988	105	17	.	.	PUNCT
ap-3988	106	1	the	the	DET
ap-3988	106	2	change	change	NOUN
ap-3988	106	3	of	of	ADP
ap-3988	106	4	the	the	DET
ap-3988	106	5	vortex	vortex	NOUN
ap-3988	106	6	dimensions	dimension	NOUN
ap-3988	106	7	indicates	indicate	VERB
ap-3988	106	8	a	a	DET
ap-3988	106	9	change	change	NOUN
ap-3988	106	10	of	of	ADP
ap-3988	106	11	the	the	DET
ap-3988	106	12	velocity	velocity	NOUN
ap-3988	106	13	gradient	gradient	NOUN
ap-3988	106	14	inside	inside	ADP
ap-3988	106	15	it	it	PRON
ap-3988	106	16	.	.	PUNCT
ap-3988	107	1	after	after	ADP
ap-3988	107	2	0.004	0.004	NUM
ap-3988	107	3	s	s	PART
ap-3988	107	4	,	,	PUNCT
ap-3988	107	5	in	in	ADP
ap-3988	107	6	the	the	DET
ap-3988	107	7	smooth	smooth	ADJ
ap-3988	107	8	annulus	annulus	NOUN
ap-3988	107	9	of	of	ADP
ap-3988	107	10	the	the	DET
ap-3988	107	11	double	double	ADJ
ap-3988	107	12	pipe	pipe	NOUN
ap-3988	107	13	heat	heat	NOUN
ap-3988	107	14	exchanger	exchanger	NOUN
ap-3988	107	15	(	(	PUNCT
ap-3988	107	16	figure	figure	NOUN
ap-3988	107	17	6	6	NUM
ap-3988	107	18	)	)	PUNCT
ap-3988	107	19	,	,	PUNCT
ap-3988	107	20	there	there	PRON
ap-3988	107	21	can	can	AUX
ap-3988	107	22	be	be	AUX
ap-3988	107	23	clearly	clearly	ADV
ap-3988	107	24	seen	see	VERB
ap-3988	107	25	that	that	SCONJ
ap-3988	107	26	there	there	PRON
ap-3988	107	27	is	be	VERB
ap-3988	107	28	a	a	DET
ap-3988	107	29	small	small	ADJ
ap-3988	107	30	change	change	NOUN
ap-3988	107	31	of	of	ADP
ap-3988	107	32	the	the	DET
ap-3988	107	33	vortex	vortex	NOUN
ap-3988	107	34	dimensions	dimension	NOUN
ap-3988	107	35	.	.	PUNCT
ap-3988	108	1	this	this	DET
ap-3988	108	2	phenomenon	phenomenon	NOUN
ap-3988	108	3	indicates	indicate	VERB
ap-3988	108	4	a	a	DET
ap-3988	108	5	small	small	ADJ
ap-3988	108	6	gradient	gradient	NOUN
ap-3988	108	7	of	of	ADP
ap-3988	108	8	the	the	DET
ap-3988	108	9	fluid	fluid	ADJ
ap-3988	108	10	velocity	velocity	NOUN
ap-3988	108	11	in	in	ADP
ap-3988	108	12	the	the	DET
ap-3988	108	13	annulus	annulus	NOUN
ap-3988	108	14	space	space	NOUN
ap-3988	108	15	.	.	PUNCT
ap-3988	109	1	however	however	ADV
ap-3988	109	2	,	,	PUNCT
ap-3988	109	3	in	in	ADP
ap-3988	109	4	the	the	DET
ap-3988	109	5	case	case	NOUN
ap-3988	109	6	of	of	ADP
ap-3988	109	7	the	the	DET
ap-3988	109	8	grooved	groove	VERB
ap-3988	109	9	annulus	annulus	NOUN
ap-3988	109	10	of	of	ADP
ap-3988	109	11	a	a	DET
ap-3988	109	12	double	double	ADJ
ap-3988	109	13	pipe	pipe	NOUN
ap-3988	109	14	heat	heat	NOUN
ap-3988	109	15	exchanger	exchanger	NOUN
ap-3988	109	16	,	,	PUNCT
ap-3988	109	17	the	the	DET
ap-3988	109	18	vortex	vortex	NOUN
ap-3988	109	19	dimensions	dimension	NOUN
ap-3988	109	20	became	become	VERB
ap-3988	109	21	smaller	small	ADJ
ap-3988	109	22	and	and	CCONJ
ap-3988	109	23	the	the	DET
ap-3988	109	24	vortices	vortex	NOUN
ap-3988	109	25	tend	tend	VERB
ap-3988	109	26	to	to	PART
ap-3988	109	27	fall	fall	VERB
ap-3988	109	28	into	into	ADP
ap-3988	109	29	the	the	DET
ap-3988	109	30	groove	groove	NOUN
ap-3988	109	31	valley	valley	NOUN
ap-3988	109	32	.	.	PUNCT
ap-3988	110	1	the	the	DET
ap-3988	110	2	vortices	vortex	NOUN
ap-3988	110	3	crept	creep	VERB
ap-3988	110	4	inside	inside	ADP
ap-3988	110	5	the	the	DET
ap-3988	110	6	valley	valley	NOUN
ap-3988	110	7	and	and	CCONJ
ap-3988	110	8	increased	increase	VERB
ap-3988	110	9	the	the	DET
ap-3988	110	10	velocity	velocity	NOUN
ap-3988	110	11	gradient	gradient	NOUN
ap-3988	110	12	and	and	CCONJ
ap-3988	110	13	shear	shear	NOUN
ap-3988	110	14	stress	stress	NOUN
ap-3988	110	15	.	.	PUNCT
ap-3988	111	1	the	the	DET
ap-3988	111	2	presence	presence	NOUN
ap-3988	111	3	of	of	ADP
ap-3988	111	4	a	a	DET
ap-3988	111	5	velocity	velocity	NOUN
ap-3988	111	6	gradient	gradient	NOUN
ap-3988	111	7	was	be	AUX
ap-3988	111	8	proved	prove	VERB
ap-3988	111	9	by	by	ADP
ap-3988	111	10	the	the	DET
ap-3988	111	11	value	value	NOUN
ap-3988	111	12	of	of	ADP
ap-3988	111	13	pressure	pressure	NOUN
ap-3988	111	14	drop	drop	NOUN
ap-3988	111	15	(	(	PUNCT
ap-3988	111	16	figure	figure	NOUN
ap-3988	111	17	3a	3a	NUM
ap-3988	111	18	)	)	PUNCT
ap-3988	111	19	.	.	PUNCT
ap-3988	112	1	it	it	PRON
ap-3988	112	2	is	be	AUX
ap-3988	112	3	well	well	ADV
ap-3988	112	4	known	know	VERB
ap-3988	112	5	that	that	SCONJ
ap-3988	112	6	the	the	DET
ap-3988	112	7	pressure	pressure	NOUN
ap-3988	112	8	drop	drop	NOUN
ap-3988	112	9	is	be	AUX
ap-3988	112	10	proportional	proportional	ADJ
ap-3988	112	11	to	to	ADP
ap-3988	112	12	the	the	DET
ap-3988	112	13	square	square	NOUN
ap-3988	112	14	of	of	ADP
ap-3988	112	15	the	the	DET
ap-3988	112	16	velocity	velocity	NOUN
ap-3988	112	17	.	.	PUNCT
ap-3988	113	1	this	this	DET
ap-3988	113	2	phenomenon	phenomenon	NOUN
ap-3988	113	3	increases	increase	VERB
ap-3988	113	4	the	the	DET
ap-3988	113	5	turbulence	turbulence	NOUN
ap-3988	113	6	intensity	intensity	NOUN
ap-3988	113	7	,	,	PUNCT
ap-3988	113	8	recirculation	recirculation	NOUN
ap-3988	113	9	and	and	CCONJ
ap-3988	113	10	fluid	fluid	ADJ
ap-3988	113	11	momentum	momentum	NOUN
ap-3988	113	12	.	.	PUNCT
ap-3988	114	1	this	this	DET
ap-3988	114	2	process	process	NOUN
ap-3988	114	3	will	will	AUX
ap-3988	114	4	lacerate	lacerate	VERB
ap-3988	114	5	the	the	DET
ap-3988	114	6	thermal	thermal	ADJ
ap-3988	114	7	boundary	boundary	ADJ
ap-3988	114	8	layer	layer	NOUN
ap-3988	114	9	so	so	SCONJ
ap-3988	114	10	that	that	SCONJ
ap-3988	114	11	the	the	DET
ap-3988	114	12	obstacles	obstacle	NOUN
ap-3988	114	13	of	of	ADP
ap-3988	114	14	the	the	DET
ap-3988	114	15	heat	heat	NOUN
ap-3988	114	16	transfer	transfer	NOUN
ap-3988	114	17	will	will	AUX
ap-3988	114	18	be	be	AUX
ap-3988	114	19	smaller	small	ADJ
ap-3988	114	20	.	.	PUNCT
ap-3988	115	1	this	this	DET
ap-3988	115	2	phenomenon	phenomenon	NOUN
ap-3988	115	3	is	be	AUX
ap-3988	115	4	increasing	increase	VERB
ap-3988	115	5	the	the	DET
ap-3988	115	6	heat	heat	NOUN
ap-3988	115	7	transfer	transfer	NOUN
ap-3988	115	8	rate	rate	NOUN
ap-3988	115	9	of	of	ADP
ap-3988	115	10	the	the	DET
ap-3988	115	11	grooved	groove	VERB
ap-3988	115	12	double	double	ADJ
ap-3988	115	13	pipe	pipe	NOUN
ap-3988	115	14	heat	heat	NOUN
ap-3988	115	15	exchanger	exchanger	NOUN
ap-3988	115	16	.	.	PUNCT
ap-3988	116	1	4	4	X
ap-3988	116	2	.	.	X
ap-3988	116	3	conclusions	conclusion	NOUN
ap-3988	116	4	an	an	DET
ap-3988	116	5	experimental	experimental	ADJ
ap-3988	116	6	investigation	investigation	NOUN
ap-3988	116	7	was	be	AUX
ap-3988	116	8	carried	carry	VERB
ap-3988	116	9	out	out	ADP
ap-3988	116	10	for	for	ADP
ap-3988	116	11	a	a	DET
ap-3988	116	12	heat	heat	NOUN
ap-3988	116	13	transfer	transfer	NOUN
ap-3988	116	14	enhancement	enhancement	NOUN
ap-3988	116	15	,	,	PUNCT
ap-3988	116	16	the	the	DET
ap-3988	116	17	ntu	ntu	NOUN
ap-3988	116	18	,	,	PUNCT
ap-3988	116	19	effectiveness	effectiveness	NOUN
ap-3988	116	20	ε	ε	PROPN
ap-3988	116	21	,	,	PUNCT
ap-3988	116	22	pressure	pressure	NOUN
ap-3988	116	23	drop	drop	NOUN
ap-3988	116	24	and	and	CCONJ
ap-3988	116	25	flow	flow	NOUN
ap-3988	116	26	visualization	visualization	NOUN
ap-3988	116	27	of	of	ADP
ap-3988	116	28	a	a	DET
ap-3988	116	29	grooved	groove	VERB
ap-3988	116	30	annulus	annulus	NOUN
ap-3988	116	31	of	of	ADP
ap-3988	116	32	a	a	DET
ap-3988	116	33	double	double	ADJ
ap-3988	116	34	pipe	pipe	NOUN
ap-3988	116	35	heat	heat	NOUN
ap-3988	116	36	exchanger	exchanger	NOUN
ap-3988	116	37	.	.	PUNCT
ap-3988	117	1	the	the	DET
ap-3988	117	2	main	main	ADJ
ap-3988	117	3	scope	scope	NOUN
ap-3988	117	4	of	of	ADP
ap-3988	117	5	this	this	DET
ap-3988	117	6	study	study	NOUN
ap-3988	117	7	was	be	AUX
ap-3988	117	8	to	to	PART
ap-3988	117	9	compare	compare	VERB
ap-3988	117	10	a	a	DET
ap-3988	117	11	grooved	groove	VERB
ap-3988	117	12	double	double	ADJ
ap-3988	117	13	pipe	pipe	NOUN
ap-3988	117	14	heat	heat	NOUN
ap-3988	117	15	exchanger	exchanger	NOUN
ap-3988	117	16	with	with	ADP
ap-3988	117	17	a	a	DET
ap-3988	117	18	smooth	smooth	ADJ
ap-3988	117	19	double	double	ADJ
ap-3988	117	20	pipe	pipe	NOUN
ap-3988	117	21	heat	heat	NOUN
ap-3988	117	22	exchanger	exchanger	NOUN
ap-3988	117	23	.	.	PUNCT
ap-3988	118	1	moreover	moreover	ADV
ap-3988	118	2	,	,	PUNCT
ap-3988	118	3	new	new	ADJ
ap-3988	118	4	and	and	CCONJ
ap-3988	118	5	simple	simple	ADJ
ap-3988	118	6	flow	flow	NOUN
ap-3988	118	7	visualizations	visualization	NOUN
ap-3988	118	8	were	be	AUX
ap-3988	118	9	developed	develop	VERB
ap-3988	118	10	.	.	PUNCT
ap-3988	119	1	the	the	DET
ap-3988	119	2	result	result	NOUN
ap-3988	119	3	can	can	AUX
ap-3988	119	4	be	be	AUX
ap-3988	119	5	summarized	summarize	VERB
ap-3988	119	6	as	as	SCONJ
ap-3988	119	7	follows	follow	VERB
ap-3988	119	8	:	:	PUNCT
ap-3988	119	9	(	(	PUNCT
ap-3988	119	10	1	1	NUM
ap-3988	119	11	.	.	PUNCT
ap-3988	119	12	)	)	PUNCT
ap-3988	120	1	the	the	DET
ap-3988	120	2	heat	heat	NOUN
ap-3988	120	3	transfer	transfer	NOUN
ap-3988	120	4	increased	increase	VERB
ap-3988	120	5	with	with	ADP
ap-3988	120	6	the	the	DET
ap-3988	120	7	increase	increase	NOUN
ap-3988	120	8	of	of	ADP
ap-3988	120	9	the	the	DET
ap-3988	120	10	re	re	NOUN
ap-3988	120	11	.	.	PROPN
ap-3988	120	12	for	for	ADP
ap-3988	120	13	the	the	DET
ap-3988	120	14	grooved	groove	VERB
ap-3988	120	15	double	double	ADJ
ap-3988	120	16	pipe	pipe	NOUN
ap-3988	120	17	heat	heat	NOUN
ap-3988	120	18	exchanger	exchanger	NOUN
ap-3988	120	19	,	,	PUNCT
ap-3988	120	20	the	the	DET
ap-3988	120	21	heat	heat	NOUN
ap-3988	120	22	transfer	transfer	NOUN
ap-3988	120	23	enhancement	enhancement	NOUN
ap-3988	120	24	was	be	AUX
ap-3988	120	25	about	about	ADV
ap-3988	120	26	1.09–1.11	1.09–1.11	NUM
ap-3988	120	27	and	and	CCONJ
ap-3988	120	28	the	the	DET
ap-3988	120	29	pressure	pressure	NOUN
ap-3988	120	30	drop	drop	NOUN
ap-3988	120	31	increased	increase	VERB
ap-3988	120	32	by	by	ADP
ap-3988	120	33	about	about	ADV
ap-3988	120	34	15.82	15.82	NUM
ap-3988	120	35	–	–	PUNCT
ap-3988	120	36	16.72	16.72	NUM
ap-3988	120	37	%	%	NOUN
ap-3988	120	38	.	.	PUNCT
ap-3988	121	1	(	(	PUNCT
ap-3988	121	2	2	2	NUM
ap-3988	121	3	.	.	PUNCT
ap-3988	121	4	)	)	PUNCT
ap-3988	122	1	the	the	DET
ap-3988	122	2	effectiveness	effectiveness	NOUN
ap-3988	122	3	increased	increase	VERB
ap-3988	122	4	with	with	ADP
ap-3988	122	5	the	the	DET
ap-3988	122	6	decrease	decrease	NOUN
ap-3988	122	7	of	of	ADP
ap-3988	122	8	the	the	DET
ap-3988	122	9	heat	heat	NOUN
ap-3988	122	10	capacity	capacity	NOUN
ap-3988	122	11	ratio	ratio	NOUN
ap-3988	122	12	and	and	CCONJ
ap-3988	122	13	increased	increase	VERB
ap-3988	122	14	the	the	DET
ap-3988	122	15	ntu	ntu	NOUN
ap-3988	122	16	value	value	NOUN
ap-3988	122	17	.	.	PUNCT
ap-3988	123	1	(	(	PUNCT
ap-3988	123	2	3	3	NUM
ap-3988	123	3	.	.	PUNCT
ap-3988	123	4	)	)	PUNCT
ap-3988	123	5	grooves	groove	VERB
ap-3988	123	6	influence	influence	NOUN
ap-3988	123	7	the	the	DET
ap-3988	123	8	flow	flow	NOUN
ap-3988	123	9	structure	structure	NOUN
ap-3988	123	10	in	in	ADP
ap-3988	123	11	the	the	DET
ap-3988	123	12	annulus	annulus	NOUN
ap-3988	123	13	of	of	ADP
ap-3988	123	14	a	a	DET
ap-3988	123	15	double	double	ADJ
ap-3988	123	16	pipe	pipe	NOUN
ap-3988	123	17	heat	heat	NOUN
ap-3988	123	18	exchanger	exchanger	NOUN
ap-3988	123	19	.	.	PUNCT
ap-3988	124	1	128	128	NUM
ap-3988	124	2	vol	vol	NOUN
ap-3988	124	3	.	.	PUNCT
ap-3988	125	1	57	57	NUM
ap-3988	125	2	no	no	NOUN
ap-3988	125	3	.	.	PUNCT
ap-3988	126	1	2/2017	2/2017	NUM
ap-3988	126	2	heat	heat	NOUN
ap-3988	126	3	transfer	transfer	NOUN
ap-3988	126	4	enhancement	enhancement	NOUN
ap-3988	126	5	and	and	CCONJ
ap-3988	126	6	pressure	pressure	NOUN
ap-3988	126	7	drop	drop	NOUN
ap-3988	126	8	list	list	NOUN
ap-3988	126	9	of	of	ADP
ap-3988	126	10	symbols	symbol	NOUN
ap-3988	126	11	u	u	NOUN
ap-3988	126	12	fluid	fluid	ADJ
ap-3988	126	13	velocity	velocity	NOUN
ap-3988	126	14	[	[	X
ap-3988	126	15	m	m	NOUN
ap-3988	126	16	/	/	SYM
ap-3988	126	17	s2	s2	PROPN
ap-3988	126	18	]	]	PUNCT
ap-3988	126	19	a	a	DET
ap-3988	126	20	surface	surface	NOUN
ap-3988	126	21	area	area	NOUN
ap-3988	126	22	[	[	X
ap-3988	126	23	m2	m2	X
ap-3988	126	24	]	]	X
ap-3988	126	25	υ	υ	PROPN
ap-3988	126	26	kinematic	kinematic	ADJ
ap-3988	126	27	viscosity	viscosity	NOUN
ap-3988	126	28	[	[	X
ap-3988	126	29	m2	m2	PROPN
ap-3988	126	30	/	/	SYM
ap-3988	126	31	s	s	PROPN
ap-3988	126	32	]	]	X
ap-3988	126	33	l	l	NOUN
ap-3988	126	34	pipe	pipe	NOUN
ap-3988	127	1	long	long	ADV
ap-3988	128	1	[	[	X
ap-3988	128	2	m	m	X
ap-3988	128	3	]	]	X
ap-3988	128	4	ṁ	ṁ	ADJ
ap-3988	128	5	mass	mass	ADJ
ap-3988	128	6	flowrate	flowrate	ADJ
ap-3988	128	7	[	[	X
ap-3988	128	8	kg	kg	X
ap-3988	128	9	/	/	SYM
ap-3988	128	10	s	s	PROPN
ap-3988	128	11	]	]	X
ap-3988	128	12	ρ	ρ	NUM
ap-3988	128	13	fluid	fluid	ADJ
ap-3988	128	14	density	density	NOUN
ap-3988	128	15	[	[	X
ap-3988	128	16	kg	kg	X
ap-3988	128	17	/	/	SYM
ap-3988	128	18	m3	m3	PROPN
ap-3988	128	19	]	]	X
ap-3988	128	20	dh	dh	PROPN
ap-3988	128	21	hydrolic	hydrolic	PROPN
ap-3988	128	22	diameter	diameter	NOUN
ap-3988	129	1	[	[	X
ap-3988	129	2	m	m	X
ap-3988	129	3	]	]	X
ap-3988	129	4	d1	d1	ADJ
ap-3988	129	5	outer	outer	ADJ
ap-3988	129	6	diameter	diameter	NOUN
ap-3988	129	7	of	of	ADP
ap-3988	129	8	tube	tube	NOUN
ap-3988	129	9	side	side	NOUN
ap-3988	129	10	[	[	X
ap-3988	129	11	m	m	X
ap-3988	129	12	]	]	X
ap-3988	129	13	d2	d2	VERB
ap-3988	129	14	inner	inner	ADJ
ap-3988	129	15	diameter	diameter	NOUN
ap-3988	129	16	of	of	ADP
ap-3988	129	17	shell	shell	ADJ
ap-3988	129	18	side	side	NOUN
ap-3988	130	1	[	[	X
ap-3988	130	2	m	m	X
ap-3988	130	3	]	]	X
ap-3988	130	4	∆p	∆p	PROPN
ap-3988	130	5	pressure	pressure	NOUN
ap-3988	130	6	drop	drop	NOUN
ap-3988	130	7	[	[	X
ap-3988	130	8	pa	pa	X
ap-3988	130	9	]	]	X
ap-3988	130	10	∆t	∆t	PROPN
ap-3988	130	11	temperature	temperature	NOUN
ap-3988	130	12	difference	difference	NOUN
ap-3988	130	13	of	of	ADP
ap-3988	130	14	hot	hot	ADJ
ap-3988	130	15	/	/	SYM
ap-3988	130	16	cold	cold	ADJ
ap-3988	130	17	fluid	fluid	NOUN
ap-3988	130	18	in	in	ADP
ap-3988	130	19	time	time	NOUN
ap-3988	130	20	period	period	NOUN
ap-3988	130	21	[	[	X
ap-3988	130	22	°	°	ADP
ap-3988	130	23	c	c	NOUN
ap-3988	130	24	s	s	X
ap-3988	130	25	]	]	X
ap-3988	130	26	q	q	ADJ
ap-3988	130	27	heat	heat	NOUN
ap-3988	130	28	transfer	transfer	NOUN
ap-3988	130	29	[	[	X
ap-3988	130	30	j	j	X
ap-3988	130	31	]	]	X
ap-3988	130	32	cp	cp	NUM
ap-3988	130	33	specific	specific	ADJ
ap-3988	130	34	heat	heat	NOUN
ap-3988	131	1	[	[	X
ap-3988	131	2	j	j	X
ap-3988	131	3	/	/	SYM
ap-3988	131	4	kg	kg	PROPN
ap-3988	131	5	°	°	NOUN
ap-3988	131	6	c	c	X
ap-3988	131	7	]	]	X
ap-3988	131	8	eh	eh	INTJ
ap-3988	131	9	heat	heat	NOUN
ap-3988	131	10	transfer	transfer	NOUN
ap-3988	131	11	enhancement	enhancement	NOUN
ap-3988	131	12	ε	ε	PROPN
ap-3988	131	13	effectiveness	effectiveness	NOUN
ap-3988	131	14	u	u	PROPN
ap-3988	131	15	overall	overall	ADJ
ap-3988	131	16	heat	heat	NOUN
ap-3988	131	17	transfer	transfer	NOUN
ap-3988	131	18	coefficient	coefficient	NOUN
ap-3988	131	19	[	[	X
ap-3988	131	20	w	w	NOUN
ap-3988	131	21	/	/	SYM
ap-3988	131	22	m2	m2	PROPN
ap-3988	131	23	°	°	PROPN
ap-3988	131	24	c	c	PROPN
ap-3988	131	25	]	]	X
ap-3988	131	26	cmin	cmin	NOUN
ap-3988	131	27	the	the	DET
ap-3988	131	28	smallest	small	ADJ
ap-3988	131	29	heat	heat	NOUN
ap-3988	131	30	capacity	capacity	NOUN
ap-3988	131	31	rate	rate	NOUN
ap-3988	131	32	[	[	X
ap-3988	131	33	w/	w/	NOUN
ap-3988	131	34	°	°	ADP
ap-3988	131	35	c	c	NOUN
ap-3988	131	36	]	]	PUNCT
ap-3988	131	37	cmax	cmax	VERB
ap-3988	131	38	the	the	DET
ap-3988	131	39	highest	high	ADJ
ap-3988	131	40	heat	heat	NOUN
ap-3988	131	41	capacity	capacity	NOUN
ap-3988	131	42	rate	rate	NOUN
ap-3988	131	43	[	[	X
ap-3988	131	44	w/	w/	NOUN
ap-3988	131	45	°	°	ADP
ap-3988	131	46	c	c	NOUN
ap-3988	131	47	]	]	X
ap-3988	131	48	c	c	NOUN
ap-3988	131	49	heat	heat	NOUN
ap-3988	131	50	capacity	capacity	NOUN
ap-3988	131	51	ratio	ratio	NOUN
ap-3988	131	52	ntu	ntu	PROPN
ap-3988	131	53	number	number	NOUN
ap-3988	131	54	of	of	ADP
ap-3988	131	55	transfer	transfer	NOUN
ap-3988	131	56	unit	unit	NOUN
ap-3988	131	57	references	reference	NOUN
ap-3988	131	58	[	[	X
ap-3988	131	59	1	1	NUM
ap-3988	131	60	]	]	PUNCT
ap-3988	131	61	jan	jan	PROPN
ap-3988	131	62	opatril	opatril	PROPN
ap-3988	131	63	,	,	PUNCT
ap-3988	131	64	jan	jan	PROPN
ap-3988	131	65	havlik	havlik	PROPN
ap-3988	131	66	,	,	PUNCT
ap-3988	131	67	ondrej	ondrej	PROPN
ap-3988	131	68	batros	batros	PROPN
ap-3988	131	69	,	,	PUNCT
ap-3988	131	70	tomas	tomas	PROPN
ap-3988	131	71	dlouhy	dlouhy	VERB
ap-3988	131	72	.	.	PUNCT
ap-3988	132	1	an	an	DET
ap-3988	132	2	experimental	experimental	ADJ
ap-3988	132	3	assessment	assessment	NOUN
ap-3988	132	4	of	of	ADP
ap-3988	132	5	the	the	DET
ap-3988	132	6	plate	plate	NOUN
ap-3988	132	7	heat	heat	NOUN
ap-3988	132	8	exchanger	exchanger	NOUN
ap-3988	132	9	characteristics	characteristic	NOUN
ap-3988	132	10	by	by	ADP
ap-3988	132	11	wilson	wilson	PROPN
ap-3988	132	12	plot	plot	NOUN
ap-3988	132	13	method	method	NOUN
ap-3988	132	14	.	.	PUNCT
ap-3988	133	1	acta	acta	PROPN
ap-3988	133	2	polytechnica	polytechnica	PROPN
ap-3988	133	3	56(5	56(5	PROPN
ap-3988	133	4	)	)	PUNCT
ap-3988	133	5	,	,	PUNCT
ap-3988	133	6	2016	2016	NUM
ap-3988	133	7	,	,	PUNCT
ap-3988	133	8	367	367	NUM
ap-3988	133	9	-	-	SYM
ap-3988	133	10	372	372	NUM
ap-3988	133	11	.	.	PUNCT
ap-3988	134	1	[	[	X
ap-3988	134	2	2	2	X
ap-3988	134	3	]	]	X
ap-3988	134	4	sunu	sunu	PROPN
ap-3988	134	5	p.w	p.w	PROPN
ap-3988	134	6	.	.	PROPN
ap-3988	134	7	,	,	PUNCT
ap-3988	134	8	ing	ing	ADJ
ap-3988	134	9	wardana	wardana	NOUN
ap-3988	134	10	,	,	PUNCT
ap-3988	134	11	a.a.sonief	a.a.sonief	PROPN
ap-3988	134	12	,	,	PUNCT
ap-3988	134	13	nurkholis	nurkholi	NOUN
ap-3988	134	14	hamidi	hamidi	VERB
ap-3988	134	15	.	.	PUNCT
ap-3988	135	1	the	the	DET
ap-3988	135	2	effect	effect	NOUN
ap-3988	135	3	of	of	ADP
ap-3988	135	4	wall	wall	PROPN
ap-3988	135	5	groove	groove	PROPN
ap-3988	135	6	numbers	number	NOUN
ap-3988	135	7	on	on	ADP
ap-3988	135	8	pressure	pressure	NOUN
ap-3988	135	9	drop	drop	NOUN
ap-3988	135	10	in	in	ADP
ap-3988	135	11	pipe	pipe	NOUN
ap-3988	135	12	flows	flow	NOUN
ap-3988	135	13	.	.	PUNCT
ap-3988	136	1	int	int	NOUN
ap-3988	136	2	.	.	PUNCT
ap-3988	137	1	j.	j.	PROPN
ap-3988	137	2	fluid	fluid	PROPN
ap-3988	137	3	mech	mech	PROPN
ap-3988	137	4	.	.	PUNCT
ap-3988	138	1	resch	resch	PROPN
ap-3988	138	2	.	.	PROPN
ap-3988	138	3	,	,	PUNCT
ap-3988	138	4	42(2	42(2	PROPN
ap-3988	138	5	)	)	PUNCT
ap-3988	138	6	,	,	PUNCT
ap-3988	138	7	2015	2015	NUM
ap-3988	138	8	,	,	PUNCT
ap-3988	138	9	119	119	NUM
ap-3988	138	10	–	–	SYM
ap-3988	138	11	130	130	NUM
ap-3988	138	12	.	.	PUNCT
ap-3988	139	1	[	[	X
ap-3988	139	2	3	3	NUM
ap-3988	139	3	]	]	X
ap-3988	139	4	hongwei	hongwei	PROPN
ap-3988	139	5	,	,	PUNCT
ap-3988	139	6	m.a	m.a	PROPN
ap-3988	139	7	.	.	PROPN
ap-3988	139	8	,	,	PUNCT
ap-3988	139	9	qiao	qiao	PROPN
ap-3988	139	10	tian	tian	PROPN
ap-3988	139	11	,	,	PUNCT
ap-3988	139	12	and	and	CCONJ
ap-3988	139	13	hui	hui	PROPN
ap-3988	139	14	wu	wu	PROPN
ap-3988	139	15	.	.	PUNCT
ap-3988	140	1	experimental	experimental	ADJ
ap-3988	140	2	study	study	NOUN
ap-3988	140	3	of	of	ADP
ap-3988	140	4	turbulent	turbulent	ADJ
ap-3988	140	5	boundary	boundary	ADJ
ap-3988	140	6	layers	layer	NOUN
ap-3988	140	7	on	on	ADP
ap-3988	140	8	groove	groove	NOUN
ap-3988	140	9	/	/	SYM
ap-3988	140	10	smooth	smooth	ADJ
ap-3988	140	11	flat	flat	ADJ
ap-3988	140	12	surfaces	surface	NOUN
ap-3988	140	13	.	.	PUNCT
ap-3988	141	1	j.	j.	PROPN
ap-3988	141	2	of	of	ADP
ap-3988	141	3	thermal	thermal	ADJ
ap-3988	141	4	science	science	NOUN
ap-3988	141	5	14(3	14(3	NUM
ap-3988	141	6	)	)	PUNCT
ap-3988	141	7	,	,	PUNCT
ap-3988	141	8	2005	2005	NUM
ap-3988	141	9	,	,	PUNCT
ap-3988	141	10	93	93	NUM
ap-3988	141	11	-	-	SYM
ap-3988	141	12	97	97	NUM
ap-3988	141	13	.	.	PUNCT
ap-3988	142	1	[	[	X
ap-3988	142	2	4	4	NUM
ap-3988	142	3	]	]	X
ap-3988	142	4	litvinenko	litvinenko	PROPN
ap-3988	142	5	,	,	PUNCT
ap-3988	142	6	y.a	y.a	PROPN
ap-3988	142	7	.	.	PROPN
ap-3988	142	8	,	,	PUNCT
ap-3988	142	9	chernoray	chernoray	PROPN
ap-3988	142	10	,	,	PUNCT
ap-3988	142	11	v.g	v.g	PROPN
ap-3988	142	12	.	.	PROPN
ap-3988	142	13	,	,	PUNCT
ap-3988	142	14	kozlov	kozlov	PROPN
ap-3988	142	15	,	,	PUNCT
ap-3988	142	16	v.v	v.v	PROPN
ap-3988	142	17	.	.	PROPN
ap-3988	142	18	,	,	PUNCT
ap-3988	142	19	loefdahl	loefdahl	PROPN
ap-3988	142	20	,	,	PUNCT
ap-3988	142	21	l.	l.	PROPN
ap-3988	142	22	,	,	PUNCT
ap-3988	142	23	grek	grek	PROPN
ap-3988	142	24	,	,	PUNCT
ap-3988	142	25	g.r	g.r	PROPN
ap-3988	142	26	.	.	PROPN
ap-3988	142	27	and	and	CCONJ
ap-3988	142	28	chun	chun	PROPN
ap-3988	142	29	,	,	PUNCT
ap-3988	142	30	h.h	h.h	PROPN
ap-3988	142	31	.	.	PROPN
ap-3988	143	1	the	the	DET
ap-3988	143	2	influence	influence	NOUN
ap-3988	143	3	of	of	ADP
ap-3988	143	4	riblets	riblet	NOUN
ap-3988	143	5	on	on	ADP
ap-3988	143	6	the	the	DET
ap-3988	143	7	development	development	NOUN
ap-3988	143	8	of	of	ADP
ap-3988	143	9	a	a	DET
ap-3988	143	10	structure	structure	NOUN
ap-3988	143	11	and	and	CCONJ
ap-3988	143	12	its	its	PRON
ap-3988	143	13	transformation	transformation	NOUN
ap-3988	143	14	into	into	ADP
ap-3988	143	15	a	a	DET
ap-3988	143	16	turbulent	turbulent	ADJ
ap-3988	143	17	spot	spot	NOUN
ap-3988	143	18	.	.	PUNCT
ap-3988	144	1	doklady	doklady	PROPN
ap-3988	144	2	physics	physics	PROPN
ap-3988	144	3	51(3	51(3	NUM
ap-3988	144	4	)	)	PUNCT
ap-3988	144	5	,	,	PUNCT
ap-3988	144	6	2006	2006	NUM
ap-3988	144	7	,	,	PUNCT
ap-3988	144	8	144	144	NUM
ap-3988	144	9	-	-	SYM
ap-3988	144	10	147	147	NUM
ap-3988	144	11	.	.	PUNCT
ap-3988	145	1	[	[	X
ap-3988	145	2	5	5	X
ap-3988	145	3	]	]	X
ap-3988	145	4	sunu	sunu	PROPN
ap-3988	145	5	p.w	p.w	PROPN
ap-3988	145	6	.	.	PUNCT
ap-3988	146	1	the	the	DET
ap-3988	146	2	characteristics	characteristic	NOUN
ap-3988	146	3	of	of	ADP
ap-3988	146	4	increased	increase	VERB
ap-3988	146	5	pressure	pressure	NOUN
ap-3988	146	6	drop	drop	NOUN
ap-3988	146	7	in	in	ADP
ap-3988	146	8	pipes	pipe	NOUN
ap-3988	146	9	with	with	ADP
ap-3988	146	10	grooves	groove	NOUN
ap-3988	146	11	.	.	PUNCT
ap-3988	147	1	adv	adv	PROPN
ap-3988	147	2	.	.	PUNCT
ap-3988	148	1	studies	study	NOUN
ap-3988	148	2	theor	theor	PROPN
ap-3988	148	3	.	.	PUNCT
ap-3988	149	1	phys	phy	NOUN
ap-3988	149	2	.	.	PUNCT
ap-3988	149	3	,	,	PUNCT
ap-3988	149	4	vol	vol	NOUN
ap-3988	149	5	.	.	PROPN
ap-3988	149	6	9	9	NUM
ap-3988	149	7	,	,	PUNCT
ap-3988	149	8	2015	2015	NUM
ap-3988	149	9	,	,	PUNCT
ap-3988	149	10	no	no	INTJ
ap-3988	149	11	.	.	NOUN
ap-3988	149	12	2	2	NUM
ap-3988	149	13	,	,	PUNCT
ap-3988	149	14	57–61	57–61	NUM
ap-3988	149	15	.	.	PUNCT
ap-3988	150	1	[	[	X
ap-3988	150	2	6	6	NUM
ap-3988	150	3	]	]	X
ap-3988	150	4	sunu	sunu	PROPN
ap-3988	150	5	p.w	p.w	PROPN
ap-3988	150	6	.	.	PROPN
ap-3988	150	7	,	,	PUNCT
ap-3988	150	8	ing	ing	ADJ
ap-3988	150	9	wardana	wardana	NOUN
ap-3988	150	10	,	,	PUNCT
ap-3988	150	11	a.a.sonief	a.a.sonief	PROPN
ap-3988	150	12	,	,	PUNCT
ap-3988	150	13	nurkholis	nurkholi	NOUN
ap-3988	150	14	hamidi	hamidi	VERB
ap-3988	150	15	.	.	PUNCT
ap-3988	151	1	flow	flow	NOUN
ap-3988	151	2	behavior	behavior	NOUN
ap-3988	151	3	and	and	CCONJ
ap-3988	151	4	friction	friction	NOUN
ap-3988	151	5	factor	factor	NOUN
ap-3988	151	6	in	in	ADP
ap-3988	151	7	internally	internally	ADV
ap-3988	151	8	grooved	groove	VERB
ap-3988	151	9	pipe	pipe	NOUN
ap-3988	151	10	wall	wall	NOUN
ap-3988	151	11	.	.	PUNCT
ap-3988	152	1	adv	adv	PROPN
ap-3988	152	2	.	.	PUNCT
ap-3988	153	1	studies	study	NOUN
ap-3988	153	2	theor	theor	PROPN
ap-3988	153	3	.	.	PUNCT
ap-3988	154	1	phys	phy	NOUN
ap-3988	154	2	.	.	PUNCT
ap-3988	154	3	,	,	PUNCT
ap-3988	154	4	vol	vol	NOUN
ap-3988	154	5	.	.	PROPN
ap-3988	154	6	8	8	NUM
ap-3988	154	7	,	,	PUNCT
ap-3988	154	8	2014	2014	NUM
ap-3988	154	9	,	,	PUNCT
ap-3988	154	10	no	no	INTJ
ap-3988	154	11	.	.	NOUN
ap-3988	154	12	14	14	NUM
ap-3988	154	13	,	,	PUNCT
ap-3988	154	14	643	643	NUM
ap-3988	154	15	-	-	SYM
ap-3988	154	16	647	647	NUM
ap-3988	154	17	.	.	PUNCT
ap-3988	155	1	[	[	X
ap-3988	155	2	7	7	X
ap-3988	155	3	]	]	X
ap-3988	155	4	sunu	sunu	PROPN
ap-3988	155	5	p.w	p.w	PROPN
ap-3988	155	6	.	.	PROPN
ap-3988	155	7	,	,	PUNCT
ap-3988	155	8	ing	ing	ADJ
ap-3988	155	9	wardana	wardana	NOUN
ap-3988	155	10	,	,	PUNCT
ap-3988	155	11	a.a.sonief	a.a.sonief	PROPN
ap-3988	155	12	,	,	PUNCT
ap-3988	155	13	nurkholis	nurkholi	NOUN
ap-3988	155	14	hamidi	hamidi	VERB
ap-3988	155	15	.	.	PUNCT
ap-3988	156	1	optimal	optimal	ADJ
ap-3988	156	2	grooves	grooves	ADJ
ap-3988	156	3	number	number	NOUN
ap-3988	156	4	for	for	ADP
ap-3988	156	5	reducing	reduce	VERB
ap-3988	156	6	pressure	pressure	NOUN
ap-3988	156	7	drop	drop	NOUN
ap-3988	156	8	.	.	PUNCT
ap-3988	157	1	contemporary	contemporary	ADJ
ap-3988	157	2	engineering	engineering	NOUN
ap-3988	157	3	sciences	sciences	PROPN
ap-3988	157	4	,	,	PUNCT
ap-3988	157	5	vol	vol	NOUN
ap-3988	157	6	.	.	NOUN
ap-3988	157	7	9	9	NUM
ap-3988	157	8	,	,	PUNCT
ap-3988	157	9	2016	2016	NUM
ap-3988	157	10	,	,	PUNCT
ap-3988	157	11	no	no	INTJ
ap-3988	157	12	.	.	NOUN
ap-3988	157	13	22	22	NUM
ap-3988	157	14	,	,	PUNCT
ap-3988	157	15	10671074	10671074	NUM
ap-3988	157	16	.	.	PUNCT
ap-3988	158	1	[	[	X
ap-3988	158	2	8	8	X
ap-3988	158	3	]	]	X
ap-3988	158	4	ding	ding	NOUN
ap-3988	158	5	g.	g.	PROPN
ap-3988	158	6	,	,	PUNCT
ap-3988	158	7	haitao	haitao	PROPN
ap-3988	158	8	hu	hu	PROPN
ap-3988	158	9	,	,	PUNCT
ap-3988	158	10	huang	huang	PROPN
ap-3988	158	11	x.	x.	PROPN
ap-3988	158	12	,	,	PUNCT
ap-3988	158	13	bin	bin	PROPN
ap-3988	158	14	deng	deng	PROPN
ap-3988	158	15	,	,	PUNCT
ap-3988	158	16	yifeng	yifeng	PROPN
ap-3988	158	17	gao	gao	PROPN
ap-3988	158	18	.	.	PUNCT
ap-3988	159	1	experimental	experimental	ADJ
ap-3988	159	2	investigation	investigation	NOUN
ap-3988	159	3	and	and	CCONJ
ap-3988	159	4	correlation	correlation	NOUN
ap-3988	159	5	of	of	ADP
ap-3988	159	6	two	two	NUM
ap-3988	159	7	-	-	PUNCT
ap-3988	159	8	phase	phase	NOUN
ap-3988	159	9	frictional	frictional	ADJ
ap-3988	159	10	pressure	pressure	NOUN
ap-3988	159	11	drop	drop	NOUN
ap-3988	159	12	of	of	ADP
ap-3988	159	13	r410a	r410a	ADJ
ap-3988	159	14	–	–	PUNCT
ap-3988	159	15	oil	oil	NOUN
ap-3988	159	16	mixture	mixture	NOUN
ap-3988	159	17	flow	flow	NOUN
ap-3988	159	18	boiling	boil	VERB
ap-3988	159	19	in	in	ADP
ap-3988	159	20	a	a	DET
ap-3988	159	21	5	5	NUM
ap-3988	159	22	mm	mm	NOUN
ap-3988	159	23	microfin	microfin	NOUN
ap-3988	159	24	tube	tube	NOUN
ap-3988	159	25	.	.	PUNCT
ap-3988	160	1	international	international	ADJ
ap-3988	160	2	journal	journal	NOUN
ap-3988	160	3	of	of	ADP
ap-3988	160	4	refrigeration	refrigeration	NOUN
ap-3988	160	5	32	32	NUM
ap-3988	160	6	,	,	PUNCT
ap-3988	160	7	2009	2009	NUM
ap-3988	160	8	,	,	PUNCT
ap-3988	160	9	150–161	150–161	NUM
ap-3988	160	10	.	.	PUNCT
ap-3988	161	1	[	[	X
ap-3988	161	2	9	9	NUM
ap-3988	161	3	]	]	PUNCT
ap-3988	161	4	frohnapfel	frohnapfel	NOUN
ap-3988	161	5	,	,	PUNCT
ap-3988	161	6	b.	b.	PROPN
ap-3988	161	7	,	,	PUNCT
ap-3988	161	8	lammers	lammers	PROPN
ap-3988	161	9	,	,	PUNCT
ap-3988	161	10	p.	p.	NOUN
ap-3988	161	11	,	,	PUNCT
ap-3988	161	12	jovanović	jovanović	PROPN
ap-3988	161	13	,	,	PUNCT
ap-3988	161	14	j.	j.	PROPN
ap-3988	161	15	the	the	DET
ap-3988	161	16	role	role	NOUN
ap-3988	161	17	of	of	ADP
ap-3988	161	18	turbulent	turbulent	ADJ
ap-3988	161	19	dissipation	dissipation	NOUN
ap-3988	161	20	for	for	ADP
ap-3988	161	21	flow	flow	NOUN
ap-3988	161	22	control	control	NOUN
ap-3988	161	23	of	of	ADP
ap-3988	161	24	near	near	ADJ
ap-3988	161	25	-	-	PUNCT
ap-3988	161	26	wall	wall	NOUN
ap-3988	161	27	turbulence	turbulence	NOUN
ap-3988	161	28	.	.	PUNCT
ap-3988	162	1	new	new	ADJ
ap-3988	162	2	res	re	NOUN
ap-3988	162	3	.	.	PUNCT
ap-3988	163	1	in	in	ADP
ap-3988	163	2	num	num	PROPN
ap-3988	163	3	.	.	PUNCT
ap-3988	164	1	and	and	CCONJ
ap-3988	165	1	exp	exp	NOUN
ap-3988	165	2	.	.	PROPN
ap-3988	165	3	fluid	fluid	ADJ
ap-3988	165	4	mech	mech	NOUN
ap-3988	165	5	.	.	PUNCT
ap-3988	166	1	vi	vi	PROPN
ap-3988	166	2	,	,	PUNCT
ap-3988	166	3	nnfm	nnfm	NOUN
ap-3988	166	4	96	96	NUM
ap-3988	166	5	,	,	PUNCT
ap-3988	166	6	2007	2007	NUM
ap-3988	166	7	,	,	PUNCT
ap-3988	166	8	268	268	NUM
ap-3988	166	9	-	-	SYM
ap-3988	166	10	275	275	NUM
ap-3988	166	11	.	.	PUNCT
ap-3988	167	1	[	[	X
ap-3988	167	2	10	10	NUM
ap-3988	167	3	]	]	PUNCT
ap-3988	167	4	s.	s.	PROPN
ap-3988	167	5	lorenz	lorenz	PROPN
ap-3988	167	6	,	,	PUNCT
ap-3988	167	7	d.	d.	PROPN
ap-3988	167	8	mukomilow	mukomilow	PROPN
ap-3988	167	9	,	,	PUNCT
ap-3988	167	10	w.	w.	PROPN
ap-3988	167	11	leiner	leiner	PROPN
ap-3988	167	12	.	.	PUNCT
ap-3988	168	1	distribution	distribution	NOUN
ap-3988	168	2	of	of	ADP
ap-3988	168	3	the	the	DET
ap-3988	168	4	heat	heat	NOUN
ap-3988	168	5	transfer	transfer	NOUN
ap-3988	168	6	coefficient	coefficient	NOUN
ap-3988	168	7	in	in	ADP
ap-3988	168	8	a	a	DET
ap-3988	168	9	channel	channel	NOUN
ap-3988	168	10	with	with	ADP
ap-3988	168	11	periodic	periodic	ADJ
ap-3988	168	12	transverse	transverse	NOUN
ap-3988	168	13	grooves	groove	NOUN
ap-3988	168	14	.	.	PUNCT
ap-3988	169	1	exp	exp	NOUN
ap-3988	169	2	.	.	PUNCT
ap-3988	169	3	therm	therm	PROPN
ap-3988	169	4	.	.	PUNCT
ap-3988	170	1	fluid	fluid	PROPN
ap-3988	170	2	sci	sci	PROPN
ap-3988	170	3	.	.	PROPN
ap-3988	170	4	11	11	NUM
ap-3988	170	5	,	,	PUNCT
ap-3988	170	6	1995	1995	NUM
ap-3988	170	7	,	,	PUNCT
ap-3988	170	8	234–242	234–242	NUM
ap-3988	170	9	.	.	PUNCT
ap-3988	171	1	[	[	X
ap-3988	171	2	11	11	NUM
ap-3988	171	3	]	]	PUNCT
ap-3988	171	4	t.	t.	PROPN
ap-3988	171	5	adachi	adachi	PROPN
ap-3988	171	6	and	and	CCONJ
ap-3988	171	7	h.	h.	PROPN
ap-3988	171	8	uehara	uehara	PROPN
ap-3988	171	9	.	.	PROPN
ap-3988	171	10	correlation	correlation	NOUN
ap-3988	171	11	between	between	ADP
ap-3988	171	12	heat	heat	NOUN
ap-3988	171	13	transfer	transfer	NOUN
ap-3988	171	14	and	and	CCONJ
ap-3988	171	15	pressure	pressure	NOUN
ap-3988	171	16	drop	drop	NOUN
ap-3988	171	17	in	in	ADP
ap-3988	171	18	channels	channel	NOUN
ap-3988	171	19	with	with	ADP
ap-3988	171	20	periodically	periodically	ADV
ap-3988	171	21	grooved	groove	VERB
ap-3988	171	22	parts	part	NOUN
ap-3988	171	23	.	.	PUNCT
ap-3988	172	1	int	int	NOUN
ap-3988	172	2	.	.	PUNCT
ap-3988	173	1	j.	j.	PROPN
ap-3988	173	2	heat	heat	PROPN
ap-3988	173	3	mass	mass	PROPN
ap-3988	173	4	transfer	transfer	NOUN
ap-3988	173	5	44	44	NUM
ap-3988	173	6	,	,	PUNCT
ap-3988	173	7	2001	2001	NUM
ap-3988	173	8	,	,	PUNCT
ap-3988	173	9	4333–4343	4333–4343	NOUN
ap-3988	173	10	.	.	PUNCT
ap-3988	174	1	[	[	X
ap-3988	174	2	12	12	NUM
ap-3988	174	3	]	]	X
ap-3988	174	4	s.	s.	PROPN
ap-3988	174	5	eiamsa	eiamsa	PROPN
ap-3988	174	6	-	-	PUNCT
ap-3988	174	7	ard	ard	PROPN
ap-3988	174	8	and	and	CCONJ
ap-3988	174	9	p.	p.	PROPN
ap-3988	174	10	promvonge	promvonge	PROPN
ap-3988	174	11	.	.	PUNCT
ap-3988	175	1	numerical	numerical	ADJ
ap-3988	175	2	study	study	PROPN
ap-3988	175	3	on	on	ADP
ap-3988	175	4	heat	heat	NOUN
ap-3988	175	5	transfer	transfer	NOUN
ap-3988	175	6	of	of	ADP
ap-3988	175	7	turbulent	turbulent	ADJ
ap-3988	175	8	channel	channel	NOUN
ap-3988	175	9	flow	flow	NOUN
ap-3988	175	10	over	over	ADP
ap-3988	175	11	periodic	periodic	ADJ
ap-3988	175	12	grooves	groove	NOUN
ap-3988	175	13	.	.	PUNCT
ap-3988	176	1	int	int	NOUN
ap-3988	176	2	.	.	PUNCT
ap-3988	177	1	commun	commun	PROPN
ap-3988	177	2	.	.	PUNCT
ap-3988	178	1	heat	heat	PROPN
ap-3988	178	2	mass	mass	NOUN
ap-3988	178	3	transfer	transfer	NOUN
ap-3988	178	4	35	35	NUM
ap-3988	178	5	,	,	PUNCT
ap-3988	178	6	2008	2008	NUM
ap-3988	178	7	,	,	PUNCT
ap-3988	178	8	844–852	844–852	NUM
ap-3988	178	9	.	.	PUNCT
ap-3988	179	1	[	[	X
ap-3988	179	2	13	13	NUM
ap-3988	179	3	]	]	X
ap-3988	179	4	s.	s.	PROPN
ap-3988	179	5	eiamsa	eiamsa	PROPN
ap-3988	179	6	-	-	PUNCT
ap-3988	179	7	ard	ard	PROPN
ap-3988	179	8	and	and	CCONJ
ap-3988	179	9	p.	p.	PROPN
ap-3988	179	10	promvonge	promvonge	NOUN
ap-3988	179	11	.	.	PUNCT
ap-3988	180	1	thermal	thermal	ADJ
ap-3988	180	2	characteristics	characteristic	NOUN
ap-3988	180	3	of	of	ADP
ap-3988	180	4	turbulent	turbulent	ADJ
ap-3988	180	5	rib	rib	NOUN
ap-3988	180	6	-	-	PUNCT
ap-3988	180	7	grooved	groove	VERB
ap-3988	180	8	channel	channel	NOUN
ap-3988	180	9	flows	flow	NOUN
ap-3988	180	10	.	.	PUNCT
ap-3988	181	1	int	int	NOUN
ap-3988	181	2	.	.	PUNCT
ap-3988	182	1	commun	commun	PROPN
ap-3988	182	2	.	.	PUNCT
ap-3988	183	1	heat	heat	PROPN
ap-3988	183	2	mass	mass	NOUN
ap-3988	183	3	transfer	transfer	NOUN
ap-3988	183	4	36	36	NUM
ap-3988	183	5	,	,	PUNCT
ap-3988	183	6	2009	2009	NUM
ap-3988	183	7	,	,	PUNCT
ap-3988	183	8	705–711	705–711	NUM
ap-3988	183	9	.	.	PUNCT
ap-3988	184	1	[	[	X
ap-3988	184	2	14	14	NUM
ap-3988	184	3	]	]	PUNCT
ap-3988	184	4	t.	t.	PROPN
ap-3988	184	5	adachi	adachi	PROPN
ap-3988	184	6	,	,	PUNCT
ap-3988	184	7	y.	y.	PROPN
ap-3988	184	8	tashiro	tashiro	PROPN
ap-3988	184	9	,	,	PUNCT
ap-3988	184	10	h.	h.	PROPN
ap-3988	184	11	arima	arima	PROPN
ap-3988	184	12	,	,	PUNCT
ap-3988	184	13	y.	y.	PROPN
ap-3988	184	14	ikegami	ikegami	PROPN
ap-3988	184	15	.	.	PUNCT
ap-3988	185	1	pressure	pressure	NOUN
ap-3988	185	2	drop	drop	NOUN
ap-3988	185	3	characteristics	characteristic	NOUN
ap-3988	185	4	of	of	ADP
ap-3988	185	5	flow	flow	NOUN
ap-3988	185	6	in	in	ADP
ap-3988	185	7	a	a	DET
ap-3988	185	8	symmetric	symmetric	ADJ
ap-3988	185	9	channel	channel	NOUN
ap-3988	185	10	with	with	ADP
ap-3988	185	11	periodically	periodically	ADV
ap-3988	185	12	expanded	expand	VERB
ap-3988	185	13	grooves	groove	NOUN
ap-3988	185	14	.	.	PUNCT
ap-3988	186	1	chem	chem	NOUN
ap-3988	186	2	.	.	PUNCT
ap-3988	187	1	eng	eng	PROPN
ap-3988	187	2	.	.	PUNCT
ap-3988	188	1	sci	sci	PROPN
ap-3988	188	2	.	.	PROPN
ap-3988	188	3	64	64	NUM
ap-3988	188	4	,	,	PUNCT
ap-3988	188	5	2009	2009	NUM
ap-3988	188	6	,	,	PUNCT
ap-3988	188	7	593–597	593–597	NUM
ap-3988	188	8	.	.	PUNCT
ap-3988	189	1	[	[	X
ap-3988	189	2	15	15	NUM
ap-3988	189	3	]	]	X
ap-3988	189	4	m.	m.	NOUN
ap-3988	189	5	jain	jain	PROPN
ap-3988	189	6	,	,	PUNCT
ap-3988	189	7	a.	a.	PROPN
ap-3988	189	8	rao	rao	PROPN
ap-3988	189	9	,	,	PUNCT
ap-3988	189	10	k.	k.	PROPN
ap-3988	189	11	nandakumar	nandakumar	PROPN
ap-3988	189	12	.	.	PUNCT
ap-3988	189	13	numerical	numerical	PROPN
ap-3988	189	14	study	study	PROPN
ap-3988	189	15	on	on	ADP
ap-3988	189	16	shape	shape	NOUN
ap-3988	189	17	optimization	optimization	NOUN
ap-3988	189	18	of	of	ADP
ap-3988	189	19	groove	groove	NOUN
ap-3988	189	20	micromixers	micromixer	NOUN
ap-3988	189	21	.	.	PUNCT
ap-3988	190	1	microfluid	microfluid	VERB
ap-3988	190	2	nanofluid	nanofluid	PROPN
ap-3988	190	3	15	15	NUM
ap-3988	190	4	,	,	PUNCT
ap-3988	190	5	2013	2013	NUM
ap-3988	190	6	,	,	PUNCT
ap-3988	190	7	689–699	689–699	NUM
ap-3988	190	8	.	.	PUNCT
ap-3988	191	1	[	[	X
ap-3988	191	2	16	16	NUM
ap-3988	191	3	]	]	X
ap-3988	191	4	c.	c.	PROPN
ap-3988	191	5	wang	wang	PROPN
ap-3988	191	6	,	,	PUNCT
ap-3988	191	7	z.l	z.l	PROPN
ap-3988	191	8	.	.	PUNCT
ap-3988	191	9	liu	liu	PROPN
ap-3988	191	10	,	,	PUNCT
ap-3988	191	11	g.m	g.m	PROPN
ap-3988	191	12	.	.	PROPN
ap-3988	191	13	zhang	zhang	PROPN
ap-3988	191	14	,	,	PUNCT
ap-3988	191	15	m.	m.	PROPN
ap-3988	191	16	zhang	zhang	PROPN
ap-3988	191	17	.	.	PUNCT
ap-3988	192	1	experimental	experimental	ADJ
ap-3988	192	2	investigations	investigation	NOUN
ap-3988	192	3	of	of	ADP
ap-3988	192	4	flat	flat	ADJ
ap-3988	192	5	plate	plate	NOUN
ap-3988	192	6	heat	heat	NOUN
ap-3988	192	7	pipes	pipe	NOUN
ap-3988	192	8	with	with	ADP
ap-3988	192	9	interlaced	interlaced	ADJ
ap-3988	192	10	narrow	narrow	ADJ
ap-3988	192	11	grooves	groove	NOUN
ap-3988	192	12	or	or	CCONJ
ap-3988	192	13	channels	channel	NOUN
ap-3988	192	14	as	as	ADP
ap-3988	192	15	capillary	capillary	ADJ
ap-3988	192	16	structure	structure	NOUN
ap-3988	192	17	.	.	PUNCT
ap-3988	193	1	exp	exp	NOUN
ap-3988	193	2	.	.	PUNCT
ap-3988	193	3	therm	therm	PROPN
ap-3988	193	4	.	.	PUNCT
ap-3988	194	1	fluid	fluid	PROPN
ap-3988	194	2	sci	sci	PROPN
ap-3988	194	3	.	.	PROPN
ap-3988	194	4	48	48	NUM
ap-3988	194	5	,	,	PUNCT
ap-3988	194	6	2013	2013	NUM
ap-3988	194	7	,	,	PUNCT
ap-3988	194	8	222–229	222–229	NUM
ap-3988	194	9	.	.	PUNCT
ap-3988	195	1	[	[	X
ap-3988	195	2	17	17	NUM
ap-3988	195	3	]	]	X
ap-3988	195	4	sutardi	sutardi	NOUN
ap-3988	195	5	and	and	CCONJ
ap-3988	195	6	c.y	c.y	PROPN
ap-3988	195	7	.	.	PROPN
ap-3988	195	8	ching	ching	PROPN
ap-3988	195	9	.	.	PUNCT
ap-3988	196	1	effect	effect	NOUN
ap-3988	196	2	of	of	ADP
ap-3988	196	3	transverse	transverse	NOUN
ap-3988	196	4	square	square	ADJ
ap-3988	196	5	groove	groove	NOUN
ap-3988	196	6	on	on	ADP
ap-3988	196	7	a	a	DET
ap-3988	196	8	turbulent	turbulent	ADJ
ap-3988	196	9	boundary	boundary	ADJ
ap-3988	196	10	layer	layer	NOUN
ap-3988	196	11	.	.	PUNCT
ap-3988	197	1	experimental	experimental	ADJ
ap-3988	197	2	thermal	thermal	ADJ
ap-3988	197	3	and	and	CCONJ
ap-3988	197	4	fluid	fluid	ADJ
ap-3988	197	5	science	science	NOUN
ap-3988	197	6	,	,	PUNCT
ap-3988	197	7	20	20	NUM
ap-3988	197	8	,	,	PUNCT
ap-3988	197	9	1999	1999	NUM
ap-3988	197	10	,	,	PUNCT
ap-3988	197	11	1	1	NUM
ap-3988	197	12	-	-	SYM
ap-3988	197	13	10	10	NUM
ap-3988	197	14	.	.	PUNCT
ap-3988	198	1	[	[	X
ap-3988	198	2	18	18	NUM
ap-3988	198	3	]	]	X
ap-3988	198	4	lee	lee	PROPN
ap-3988	198	5	,	,	PUNCT
ap-3988	198	6	s.j	s.j	PROPN
ap-3988	198	7	.	.	PROPN
ap-3988	198	8	and	and	CCONJ
ap-3988	199	1	y.g	y.g	PROPN
ap-3988	199	2	.	.	PROPN
ap-3988	200	1	jang	jang	PROPN
ap-3988	200	2	.	.	PUNCT
ap-3988	201	1	control	control	NOUN
ap-3988	201	2	of	of	ADP
ap-3988	201	3	flow	flow	NOUN
ap-3988	201	4	around	around	ADP
ap-3988	201	5	a	a	DET
ap-3988	201	6	naca	naca	NOUN
ap-3988	201	7	0012	0012	NUM
ap-3988	201	8	airfoil	airfoil	NOUN
ap-3988	201	9	with	with	ADP
ap-3988	201	10	a	a	DET
ap-3988	201	11	micro	micro	ADJ
ap-3988	201	12	-	-	ADJ
ap-3988	201	13	riblet	riblet	ADJ
ap-3988	201	14	film	film	NOUN
ap-3988	201	15	.	.	PUNCT
ap-3988	202	1	journal	journal	PROPN
ap-3988	202	2	of	of	ADP
ap-3988	202	3	fluid	fluid	NOUN
ap-3988	202	4	and	and	CCONJ
ap-3988	202	5	structure	structure	NOUN
ap-3988	202	6	,	,	PUNCT
ap-3988	202	7	20	20	NUM
ap-3988	202	8	,	,	PUNCT
ap-3988	202	9	2005	2005	NUM
ap-3988	202	10	,	,	PUNCT
ap-3988	202	11	659	659	NUM
ap-3988	202	12	-	-	SYM
ap-3988	202	13	672	672	NUM
ap-3988	202	14	.	.	PUNCT
ap-3988	203	1	[	[	X
ap-3988	203	2	19	19	NUM
ap-3988	203	3	]	]	X
ap-3988	203	4	shan	shan	PROPN
ap-3988	203	5	huang	huang	PROPN
ap-3988	203	6	.	.	PROPN
ap-3988	203	7	viv	viv	PROPN
ap-3988	203	8	suppression	suppression	NOUN
ap-3988	203	9	of	of	ADP
ap-3988	203	10	a	a	DET
ap-3988	203	11	two	two	NUM
ap-3988	203	12	degree	degree	NOUN
ap-3988	203	13	of	of	ADP
ap-3988	203	14	freedom	freedom	NOUN
ap-3988	203	15	circular	circular	ADJ
ap-3988	203	16	cylinder	cylinder	NOUN
ap-3988	203	17	and	and	CCONJ
ap-3988	203	18	drag	drag	NOUN
ap-3988	203	19	reduction	reduction	NOUN
ap-3988	203	20	of	of	ADP
ap-3988	203	21	a	a	DET
ap-3988	203	22	fix	fix	NOUN
ap-3988	203	23	circular	circular	ADJ
ap-3988	203	24	cylinder	cylinder	NOUN
ap-3988	203	25	by	by	ADP
ap-3988	203	26	the	the	DET
ap-3988	203	27	use	use	NOUN
ap-3988	203	28	of	of	ADP
ap-3988	203	29	helical	helical	ADJ
ap-3988	203	30	grooves	groove	NOUN
ap-3988	203	31	.	.	PUNCT
ap-3988	204	1	journal	journal	NOUN
ap-3988	204	2	of	of	ADP
ap-3988	204	3	fluids	fluid	NOUN
ap-3988	204	4	and	and	CCONJ
ap-3988	204	5	structures	structure	NOUN
ap-3988	204	6	,	,	PUNCT
ap-3988	204	7	27	27	NUM
ap-3988	204	8	,	,	PUNCT
ap-3988	204	9	2011	2011	NUM
ap-3988	204	10	,	,	PUNCT
ap-3988	204	11	1124	1124	NUM
ap-3988	204	12	-	-	SYM
ap-3988	204	13	1133	1133	NUM
ap-3988	204	14	.	.	PUNCT
ap-3988	205	1	[	[	X
ap-3988	205	2	20	20	NUM
ap-3988	205	3	]	]	X
ap-3988	205	4	lee	lee	PROPN
ap-3988	205	5	,	,	PUNCT
ap-3988	205	6	s.j	s.j	PROPN
ap-3988	205	7	.	.	PROPN
ap-3988	205	8	and	and	CCONJ
ap-3988	205	9	s.h	s.h	PROPN
ap-3988	205	10	.	.	PROPN
ap-3988	205	11	lee	lee	PROPN
ap-3988	205	12	.	.	PROPN
ap-3988	205	13	flow	flow	PROPN
ap-3988	205	14	field	field	NOUN
ap-3988	205	15	analysis	analysis	NOUN
ap-3988	205	16	of	of	ADP
ap-3988	205	17	a	a	DET
ap-3988	205	18	turbulent	turbulent	ADJ
ap-3988	205	19	boundary	boundary	ADJ
ap-3988	205	20	layer	layer	NOUN
ap-3988	205	21	over	over	ADP
ap-3988	205	22	a	a	DET
ap-3988	205	23	riblet	riblet	NOUN
ap-3988	205	24	surface	surface	NOUN
ap-3988	205	25	.	.	PUNCT
ap-3988	206	1	experiments	experiment	NOUN
ap-3988	206	2	in	in	ADP
ap-3988	206	3	fluids	fluid	NOUN
ap-3988	206	4	,	,	PUNCT
ap-3988	206	5	30	30	NUM
ap-3988	206	6	,	,	PUNCT
ap-3988	206	7	2001	2001	NUM
ap-3988	206	8	,	,	PUNCT
ap-3988	206	9	153	153	NUM
ap-3988	206	10	-	-	SYM
ap-3988	206	11	166	166	NUM
ap-3988	206	12	.	.	PUNCT
ap-3988	207	1	[	[	X
ap-3988	207	2	21	21	NUM
ap-3988	207	3	]	]	X
ap-3988	207	4	sunu	sunu	PROPN
ap-3988	207	5	p.w	p.w	PROPN
ap-3988	207	6	.	.	PROPN
ap-3988	207	7	,	,	PUNCT
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ap-3988	207	9	d.s	d.s	PROPN
ap-3988	207	10	.	.	PROPN
ap-3988	207	11	,	,	PUNCT
ap-3988	207	12	santika	santika	PROPN
ap-3988	207	13	w.g	w.g	PROPN
ap-3988	207	14	.	.	PROPN
ap-3988	207	15	temperature	temperature	NOUN
ap-3988	207	16	approach	approach	NOUN
ap-3988	207	17	optimization	optimization	NOUN
ap-3988	207	18	in	in	ADP
ap-3988	207	19	the	the	DET
ap-3988	207	20	double	double	ADJ
ap-3988	207	21	pipe	pipe	NOUN
ap-3988	207	22	heat	heat	NOUN
ap-3988	207	23	exchanger	exchanger	NOUN
ap-3988	207	24	with	with	ADP
ap-3988	207	25	groove	groove	NOUN
ap-3988	207	26	.	.	PUNCT
ap-3988	208	1	matec	matec	ADJ
ap-3988	208	2	web	web	NOUN
ap-3988	208	3	of	of	ADP
ap-3988	208	4	conference	conference	NOUN
ap-3988	208	5	58	58	NUM
ap-3988	208	6	,	,	PUNCT
ap-3988	208	7	04006	04006	NUM
ap-3988	208	8	,	,	PUNCT
ap-3988	208	9	2016	2016	NUM
ap-3988	208	10	.	.	PUNCT
ap-3988	209	1	doi:10.1051	doi:10.1051	NOUN
ap-3988	209	2	/	/	SYM
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ap-3988	209	4	[	[	X
ap-3988	209	5	22	22	NUM
ap-3988	209	6	]	]	X
ap-3988	209	7	aroonrat	aroonrat	PROPN
ap-3988	209	8	,	,	PUNCT
ap-3988	209	9	k.	k.	PROPN
ap-3988	209	10	,	,	PUNCT
ap-3988	209	11	jumpholkul	jumpholkul	PROPN
ap-3988	209	12	,	,	PUNCT
ap-3988	209	13	c.	c.	PROPN
ap-3988	209	14	,	,	PUNCT
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ap-3988	209	16	,	,	PUNCT
ap-3988	209	17	r.	r.	PROPN
ap-3988	209	18	,	,	PUNCT
ap-3988	209	19	dalkilic	dalkilic	PROPN
ap-3988	209	20	,	,	PUNCT
ap-3988	209	21	a.s	a.s	PROPN
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ap-3988	209	23	,	,	PUNCT
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ap-3988	209	25	,	,	PUNCT
ap-3988	209	26	o.	o.	PROPN
ap-3988	209	27	,	,	PUNCT
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ap-3988	209	29	,	,	PUNCT
ap-3988	209	30	s.	s.	PROPN
ap-3988	209	31	heat	heat	NOUN
ap-3988	209	32	transfer	transfer	NOUN
ap-3988	209	33	and	and	CCONJ
ap-3988	209	34	single	single	ADJ
ap-3988	209	35	-	-	PUNCT
ap-3988	209	36	phase	phase	NOUN
ap-3988	209	37	flow	flow	NOUN
ap-3988	209	38	in	in	ADP
ap-3988	209	39	internally	internally	ADV
ap-3988	209	40	grooved	groove	VERB
ap-3988	209	41	tube	tube	NOUN
ap-3988	209	42	.	.	PUNCT
ap-3988	210	1	international	international	ADJ
ap-3988	210	2	communication	communication	NOUN
ap-3988	210	3	in	in	ADP
ap-3988	210	4	heat	heat	NOUN
ap-3988	210	5	and	and	CCONJ
ap-3988	210	6	mass	mass	NOUN
ap-3988	210	7	transfer	transfer	NOUN
ap-3988	210	8	42	42	NUM
ap-3988	210	9	,	,	PUNCT
ap-3988	210	10	2013	2013	NUM
ap-3988	210	11	,	,	PUNCT
ap-3988	210	12	62	62	NUM
ap-3988	210	13	-	-	SYM
ap-3988	210	14	68	68	NUM
ap-3988	210	15	.	.	PUNCT
ap-3988	211	1	[	[	X
ap-3988	211	2	23	23	NUM
ap-3988	211	3	]	]	X
ap-3988	211	4	katoh	katoh	PROPN
ap-3988	211	5	,	,	PUNCT
ap-3988	211	6	k.	k.	PROPN
ap-3988	211	7	,	,	PUNCT
ap-3988	211	8	k.s	k.s	PROPN
ap-3988	211	9	.	.	PROPN
ap-3988	211	10	choi	choi	PROPN
ap-3988	211	11	,	,	PUNCT
ap-3988	211	12	t.	t.	PROPN
ap-3988	211	13	azuma	azuma	PROPN
ap-3988	211	14	.	.	PUNCT
ap-3988	212	1	heat	heat	NOUN
ap-3988	212	2	-	-	PUNCT
ap-3988	212	3	transfer	transfer	NOUN
ap-3988	212	4	enhancement	enhancement	NOUN
ap-3988	212	5	and	and	CCONJ
ap-3988	212	6	pressure	pressure	NOUN
ap-3988	212	7	loss	loss	NOUN
ap-3988	212	8	by	by	ADP
ap-3988	212	9	surface	surface	NOUN
ap-3988	212	10	roughness	roughness	NOUN
ap-3988	212	11	in	in	ADP
ap-3988	212	12	turbulent	turbulent	ADJ
ap-3988	212	13	channel	channel	NOUN
ap-3988	212	14	flows	flow	NOUN
ap-3988	212	15	.	.	PUNCT
ap-3988	213	1	international	international	ADJ
ap-3988	213	2	journal	journal	PROPN
ap-3988	213	3	of	of	ADP
ap-3988	213	4	heat	heat	NOUN
ap-3988	213	5	and	and	CCONJ
ap-3988	213	6	mass	mass	NOUN
ap-3988	213	7	transfer	transfer	NOUN
ap-3988	213	8	,	,	PUNCT
ap-3988	213	9	43	43	NUM
ap-3988	213	10	,	,	PUNCT
ap-3988	213	11	2000	2000	NUM
ap-3988	213	12	,	,	PUNCT
ap-3988	213	13	4009	4009	NUM
ap-3988	213	14	-	-	SYM
ap-3988	213	15	4017	4017	NUM
ap-3988	213	16	.	.	PUNCT
ap-3988	214	1	[	[	X
ap-3988	214	2	24	24	NUM
ap-3988	214	3	]	]	X
ap-3988	214	4	jian	jian	PROPN
ap-3988	214	5	liu	liu	PROPN
ap-3988	214	6	,	,	PUNCT
ap-3988	214	7	gongnan	gongnan	PROPN
ap-3988	214	8	xie	xie	PROPN
ap-3988	214	9	,	,	PUNCT
ap-3988	214	10	terrence	terrence	PROPN
ap-3988	214	11	w.	w.	PROPN
ap-3988	214	12	simon	simon	PROPN
ap-3988	214	13	.	.	PUNCT
ap-3988	215	1	turbulent	turbulent	ADJ
ap-3988	215	2	flow	flow	NOUN
ap-3988	215	3	and	and	CCONJ
ap-3988	215	4	heat	heat	NOUN
ap-3988	215	5	transfer	transfer	NOUN
ap-3988	215	6	enhancement	enhancement	NOUN
ap-3988	215	7	in	in	ADP
ap-3988	215	8	rectangular	rectangular	ADJ
ap-3988	215	9	channels	channel	NOUN
ap-3988	215	10	with	with	ADP
ap-3988	215	11	novel	novel	ADJ
ap-3988	215	12	cylindrical	cylindrical	ADJ
ap-3988	215	13	grooves	groove	NOUN
ap-3988	215	14	.	.	PUNCT
ap-3988	216	1	international	international	ADJ
ap-3988	216	2	journal	journal	PROPN
ap-3988	216	3	of	of	ADP
ap-3988	216	4	heat	heat	NOUN
ap-3988	216	5	and	and	CCONJ
ap-3988	216	6	mass	mass	NOUN
ap-3988	216	7	transfer	transfer	NOUN
ap-3988	216	8	81	81	NUM
ap-3988	216	9	,	,	PUNCT
ap-3988	216	10	2015	2015	NUM
ap-3988	216	11	,	,	PUNCT
ap-3988	216	12	563–577	563–577	NUM
ap-3988	216	13	.	.	PUNCT
ap-3988	217	1	129	129	NUM
ap-3988	217	2	http://dx.doi.org/10.1051/matecconf/20165804006	http://dx.doi.org/10.1051/matecconf/20165804006	PROPN
ap-3988	217	3	putu	putu	PROPN
ap-3988	217	4	wijaya	wijaya	PROPN
ap-3988	217	5	sunu	sunu	VERB
ap-3988	217	6	,	,	PUNCT
ap-3988	217	7	i	i	PRON
ap-3988	217	8	made	make	VERB
ap-3988	217	9	rasta	rasta	PROPN
ap-3988	217	10	acta	acta	PROPN
ap-3988	217	11	polytechnica	polytechnica	PROPN
ap-3988	218	1	[	[	X
ap-3988	218	2	25	25	NUM
ap-3988	218	3	]	]	PUNCT
ap-3988	218	4	k.	k.	X
ap-3988	218	5	bilen	bilen	PROPN
ap-3988	218	6	,	,	PUNCT
ap-3988	218	7	m.cetin	m.cetin	NOUN
ap-3988	218	8	,	,	PUNCT
ap-3988	218	9	h.gul	h.gul	PROPN
ap-3988	218	10	,	,	PUNCT
ap-3988	218	11	t.	t.	PROPN
ap-3988	218	12	balta	balta	PROPN
ap-3988	218	13	.	.	PUNCT
ap-3988	219	1	the	the	DET
ap-3988	219	2	investigation	investigation	NOUN
ap-3988	219	3	of	of	ADP
ap-3988	219	4	groove	groove	NOUN
ap-3988	219	5	geometry	geometry	NOUN
ap-3988	219	6	effect	effect	NOUN
ap-3988	219	7	on	on	ADP
ap-3988	219	8	heat	heat	NOUN
ap-3988	219	9	transfer	transfer	NOUN
ap-3988	219	10	for	for	ADP
ap-3988	219	11	internally	internally	ADV
ap-3988	219	12	grooved	groove	VERB
ap-3988	219	13	tubes	tube	NOUN
ap-3988	219	14	.	.	PUNCT
ap-3988	220	1	appl.therm.eng	appl.therm.eng	PROPN
ap-3988	220	2	.	.	PROPN
ap-3988	220	3	29	29	NUM
ap-3988	220	4	,	,	PUNCT
ap-3988	220	5	2009	2009	NUM
ap-3988	220	6	,	,	PUNCT
ap-3988	220	7	753–761	753–761	NUM
ap-3988	220	8	.	.	PUNCT
ap-3988	221	1	[	[	X
ap-3988	221	2	26	26	NUM
ap-3988	221	3	]	]	PUNCT
ap-3988	221	4	r.kamali	r.kamali	ADJ
ap-3988	221	5	,	,	PUNCT
ap-3988	221	6	a.binesh	a.binesh	ADJ
ap-3988	221	7	.	.	PUNCT
ap-3988	222	1	the	the	DET
ap-3988	222	2	importance	importance	NOUN
ap-3988	222	3	of	of	ADP
ap-3988	222	4	rib	rib	NOUN
ap-3988	222	5	shape	shape	NOUN
ap-3988	222	6	effects	effect	NOUN
ap-3988	222	7	on	on	ADP
ap-3988	222	8	the	the	DET
ap-3988	222	9	local	local	ADJ
ap-3988	222	10	heat	heat	NOUN
ap-3988	222	11	transfer	transfer	NOUN
ap-3988	222	12	and	and	CCONJ
ap-3988	222	13	flow	flow	NOUN
ap-3988	222	14	friction	friction	NOUN
ap-3988	222	15	characteristics	characteristic	NOUN
ap-3988	222	16	of	of	ADP
ap-3988	222	17	square	square	ADJ
ap-3988	222	18	ducts	duct	NOUN
ap-3988	222	19	with	with	ADP
ap-3988	222	20	ribbed	rib	VERB
ap-3988	222	21	internal	internal	ADJ
ap-3988	222	22	surfaces	surface	NOUN
ap-3988	222	23	.	.	PUNCT
ap-3988	223	1	int	int	NOUN
ap-3988	223	2	.	.	PUNCT
ap-3988	224	1	commun	commun	PROPN
ap-3988	224	2	.	.	PUNCT
ap-3988	225	1	heat	heat	PROPN
ap-3988	225	2	mass	mass	PROPN
ap-3988	225	3	transf	transf	NOUN
ap-3988	225	4	.	.	PUNCT
ap-3988	226	1	35	35	NUM
ap-3988	226	2	,	,	PUNCT
ap-3988	226	3	2008	2008	NUM
ap-3988	226	4	,	,	PUNCT
ap-3988	226	5	1032–1040	1032–1040	NUM
ap-3988	226	6	.	.	PUNCT
ap-3988	227	1	[	[	X
ap-3988	227	2	27	27	NUM
ap-3988	227	3	]	]	X
ap-3988	227	4	ali	ali	PROPN
ap-3988	227	5	najah	najah	PROPN
ap-3988	227	6	al	al	PROPN
ap-3988	227	7	-	-	PUNCT
ap-3988	227	8	shamani	shamani	ADJ
ap-3988	227	9	,	,	PUNCT
ap-3988	227	10	k.sopian	k.sopian	ADJ
ap-3988	227	11	,	,	PUNCT
ap-3988	227	12	h.a	h.a	PROPN
ap-3988	227	13	.	.	PROPN
ap-3988	227	14	mohammed	mohammed	PROPN
ap-3988	227	15	,	,	PUNCT
ap-3988	227	16	sohif	sohif	PROPN
ap-3988	227	17	mat	mat	PROPN
ap-3988	227	18	,	,	PUNCT
ap-3988	227	19	mohd	mohd	PROPN
ap-3988	227	20	hafidz	hafidz	PROPN
ap-3988	227	21	ruslan	ruslan	PROPN
ap-3988	227	22	,	,	PUNCT
ap-3988	227	23	azher	azher	PROPN
ap-3988	227	24	m.	m.	NOUN
ap-3988	227	25	abed	abe	VERB
ap-3988	227	26	.	.	PUNCT
ap-3988	228	1	enhancement	enhancement	NOUN
ap-3988	228	2	heat	heat	NOUN
ap-3988	228	3	transfer	transfer	NOUN
ap-3988	228	4	characteristics	characteristic	NOUN
ap-3988	228	5	in	in	ADP
ap-3988	228	6	the	the	DET
ap-3988	228	7	channel	channel	NOUN
ap-3988	228	8	with	with	ADP
ap-3988	228	9	trapezoidal	trapezoidal	ADJ
ap-3988	228	10	rib	rib	NOUN
ap-3988	228	11	-	-	PUNCT
ap-3988	228	12	groove	groove	NOUN
ap-3988	228	13	using	using	NOUN
ap-3988	228	14	nanofluids	nanofluid	NOUN
ap-3988	228	15	.	.	PUNCT
ap-3988	229	1	case	case	NOUN
ap-3988	229	2	studies	study	NOUN
ap-3988	229	3	in	in	ADP
ap-3988	229	4	thermal	thermal	ADJ
ap-3988	229	5	engineering	engineering	NOUN
ap-3988	229	6	,	,	PUNCT
ap-3988	229	7	5	5	NUM
ap-3988	229	8	,	,	PUNCT
ap-3988	229	9	2015	2015	NUM
ap-3988	229	10	,	,	PUNCT
ap-3988	229	11	48	48	NUM
ap-3988	229	12	-	-	SYM
ap-3988	229	13	58	58	NUM
ap-3988	229	14	.	.	PUNCT
ap-3988	230	1	[	[	X
ap-3988	230	2	28	28	NUM
ap-3988	230	3	]	]	X
ap-3988	230	4	hamed	hamed	PROPN
ap-3988	230	5	sadighi	sadighi	PROPN
ap-3988	230	6	dizaji	dizaji	PROPN
ap-3988	230	7	,	,	PUNCT
ap-3988	230	8	samad	samad	PROPN
ap-3988	230	9	jafarmadar	jafarmadar	PROPN
ap-3988	230	10	,	,	PUNCT
ap-3988	230	11	farokh	farokh	ADJ
ap-3988	230	12	mobadersani	mobadersani	PROPN
ap-3988	230	13	.	.	PUNCT
ap-3988	231	1	experimental	experimental	ADJ
ap-3988	231	2	studies	study	NOUN
ap-3988	231	3	on	on	ADP
ap-3988	231	4	heat	heat	NOUN
ap-3988	231	5	transfer	transfer	NOUN
ap-3988	231	6	and	and	CCONJ
ap-3988	231	7	pressure	pressure	NOUN
ap-3988	231	8	drop	drop	NOUN
ap-3988	231	9	characteristics	characteristic	NOUN
ap-3988	231	10	for	for	ADP
ap-3988	231	11	new	new	ADJ
ap-3988	231	12	arrangements	arrangement	NOUN
ap-3988	231	13	of	of	ADP
ap-3988	231	14	corrugated	corrugate	VERB
ap-3988	231	15	tubes	tube	NOUN
ap-3988	231	16	in	in	ADP
ap-3988	231	17	a	a	DET
ap-3988	231	18	double	double	ADJ
ap-3988	231	19	pipe	pipe	NOUN
ap-3988	231	20	heat	heat	NOUN
ap-3988	231	21	exchanger	exchanger	NOUN
ap-3988	231	22	.	.	PUNCT
ap-3988	232	1	international	international	ADJ
ap-3988	232	2	journal	journal	PROPN
ap-3988	232	3	of	of	ADP
ap-3988	232	4	thermal	thermal	ADJ
ap-3988	232	5	sciences	science	NOUN
ap-3988	232	6	,	,	PUNCT
ap-3988	232	7	96	96	NUM
ap-3988	232	8	,	,	PUNCT
ap-3988	232	9	2015	2015	NUM
ap-3988	232	10	,	,	PUNCT
ap-3988	232	11	211	211	NUM
ap-3988	232	12	-	-	SYM
ap-3988	232	13	220	220	NUM
ap-3988	232	14	.	.	PUNCT
ap-3988	233	1	[	[	X
ap-3988	233	2	29	29	NUM
ap-3988	233	3	]	]	X
ap-3988	233	4	moffat	moffat	PROPN
ap-3988	233	5	,	,	PUNCT
ap-3988	233	6	r.	r.	PROPN
ap-3988	233	7	j.	j.	PROPN
ap-3988	233	8	describing	describe	VERB
ap-3988	233	9	the	the	DET
ap-3988	233	10	uncertainties	uncertainty	NOUN
ap-3988	233	11	in	in	ADP
ap-3988	233	12	experimental	experimental	ADJ
ap-3988	233	13	results	result	NOUN
ap-3988	233	14	.	.	PUNCT
ap-3988	234	1	experimental	experimental	ADJ
ap-3988	234	2	thermal	thermal	ADJ
ap-3988	234	3	and	and	CCONJ
ap-3988	234	4	fluid	fluid	ADJ
ap-3988	234	5	science	science	NOUN
ap-3988	234	6	,	,	PUNCT
ap-3988	234	7	1	1	NUM
ap-3988	234	8	,	,	PUNCT
ap-3988	234	9	1988	1988	NUM
ap-3988	234	10	,	,	PUNCT
ap-3988	234	11	3	3	NUM
ap-3988	234	12	-	-	SYM
ap-3988	234	13	17	17	NUM
ap-3988	234	14	.	.	PUNCT
ap-3988	235	1	[	[	X
ap-3988	235	2	30	30	NUM
ap-3988	235	3	]	]	X
ap-3988	235	4	kays	kay	NOUN
ap-3988	235	5	w.m	w.m	PROPN
ap-3988	235	6	and	and	CCONJ
ap-3988	235	7	london	london	PROPN
ap-3988	235	8	a.l	a.l	PROPN
ap-3988	235	9	.	.	PROPN
ap-3988	235	10	compact	compact	ADJ
ap-3988	235	11	heat	heat	NOUN
ap-3988	235	12	exchanger	exchanger	NOUN
ap-3988	235	13	.	.	PUNCT
ap-3988	236	1	3rd	3rd	ADJ
ap-3988	236	2	ed	ed	NOUN
ap-3988	236	3	.	.	PUNCT
ap-3988	237	1	new	new	PROPN
ap-3988	237	2	york	york	PROPN
ap-3988	237	3	:	:	PUNCT
ap-3988	237	4	mcgraw	mcgraw	PROPN
ap-3988	237	5	-	-	PUNCT
ap-3988	237	6	hill	hill	PROPN
ap-3988	237	7	,	,	PUNCT
ap-3988	237	8	1984	1984	NUM
ap-3988	237	9	.	.	PUNCT
ap-3988	238	1	130	130	NUM
ap-3988	238	2	acta	acta	PROPN
ap-3988	238	3	polytechnica	polytechnica	PROPN
ap-3988	238	4	57(2):125–130	57(2):125–130	PROPN
ap-3988	238	5	,	,	PUNCT
ap-3988	238	6	2017	2017	NUM
ap-3988	238	7	1	1	NUM
ap-3988	238	8	introduction	introduction	NOUN
ap-3988	238	9	2	2	NUM
ap-3988	238	10	experimental	experimental	ADJ
ap-3988	238	11	apparatus	apparatus	NOUN
ap-3988	238	12	and	and	CCONJ
ap-3988	238	13	method	method	VERB
ap-3988	238	14	2.1	2.1	NUM
ap-3988	238	15	data	datum	NOUN
ap-3988	238	16	processing	process	VERB
ap-3988	238	17	2.2	2.2	NUM
ap-3988	238	18	uncertainity	uncertainity	NOUN
ap-3988	238	19	analysis	analysis	NOUN
ap-3988	238	20	3	3	NUM
ap-3988	238	21	results	result	NOUN
ap-3988	238	22	and	and	CCONJ
ap-3988	238	23	discusscion	discusscion	NOUN
ap-3988	238	24	4	4	NUM
ap-3988	238	25	conclusions	conclusion	NOUN
ap-3988	238	26	list	list	NOUN
ap-3988	238	27	of	of	ADP
ap-3988	238	28	symbols	symbol	NOUN
ap-3988	238	29	references	reference	NOUN