id	sid	tid	token	lemma	pos
cj82k645f2t	1	1	the	the	DET
cj82k645f2t	1	2	performance	performance	NOUN
cj82k645f2t	1	3	of	of	ADP
cj82k645f2t	1	4	thermal	thermal	ADJ
cj82k645f2t	1	5	control	control	NOUN
cj82k645f2t	1	6	systems	system	NOUN
cj82k645f2t	1	7	has	have	AUX
cj82k645f2t	1	8	,	,	PUNCT
cj82k645f2t	1	9	in	in	ADP
cj82k645f2t	1	10	recent	recent	ADJ
cj82k645f2t	1	11	years	year	NOUN
cj82k645f2t	1	12	,	,	PUNCT
cj82k645f2t	1	13	improved	improve	VERB
cj82k645f2t	1	14	in	in	ADP
cj82k645f2t	1	15	numerous	numerous	ADJ
cj82k645f2t	1	16	ways	way	NOUN
cj82k645f2t	1	17	due	due	ADJ
cj82k645f2t	1	18	to	to	ADP
cj82k645f2t	1	19	developments	development	NOUN
cj82k645f2t	1	20	in	in	ADP
cj82k645f2t	1	21	control	control	NOUN
cj82k645f2t	1	22	theory	theory	NOUN
cj82k645f2t	1	23	and	and	CCONJ
cj82k645f2t	1	24	information	information	NOUN
cj82k645f2t	1	25	technology	technology	NOUN
cj82k645f2t	1	26	.	.	PUNCT
cj82k645f2t	2	1	however	however	ADV
cj82k645f2t	2	2	,	,	PUNCT
cj82k645f2t	2	3	our	our	PRON
cj82k645f2t	2	4	understanding	understanding	NOUN
cj82k645f2t	2	5	of	of	ADP
cj82k645f2t	2	6	controllability	controllability	NOUN
cj82k645f2t	2	7	and	and	CCONJ
cj82k645f2t	2	8	related	related	ADJ
cj82k645f2t	2	9	questions	question	NOUN
cj82k645f2t	2	10	remain	remain	VERB
cj82k645f2t	2	11	rudimentary	rudimentary	ADJ
cj82k645f2t	2	12	.	.	PUNCT
cj82k645f2t	3	1	the	the	DET
cj82k645f2t	3	2	main	main	ADJ
cj82k645f2t	3	3	characteristics	characteristic	NOUN
cj82k645f2t	3	4	of	of	ADP
cj82k645f2t	3	5	thermal	thermal	ADJ
cj82k645f2t	3	6	systems	system	NOUN
cj82k645f2t	3	7	that	that	PRON
cj82k645f2t	3	8	we	we	PRON
cj82k645f2t	3	9	are	be	AUX
cj82k645f2t	3	10	interested	interested	ADJ
cj82k645f2t	3	11	in	in	ADP
cj82k645f2t	3	12	are	be	AUX
cj82k645f2t	3	13	their	their	PRON
cj82k645f2t	3	14	distributed	distribute	VERB
cj82k645f2t	3	15	nature	nature	NOUN
cj82k645f2t	3	16	and	and	CCONJ
cj82k645f2t	3	17	delay	delay	NOUN
cj82k645f2t	3	18	due	due	ADP
cj82k645f2t	3	19	to	to	ADP
cj82k645f2t	3	20	fluid	fluid	ADJ
cj82k645f2t	3	21	advection	advection	NOUN
cj82k645f2t	3	22	from	from	ADP
cj82k645f2t	3	23	one	one	NUM
cj82k645f2t	3	24	point	point	NOUN
cj82k645f2t	3	25	to	to	ADP
cj82k645f2t	3	26	another	another	PRON
cj82k645f2t	3	27	.	.	PUNCT
cj82k645f2t	4	1	two	two	NUM
cj82k645f2t	4	2	basic	basic	ADJ
cj82k645f2t	4	3	systems	system	NOUN
cj82k645f2t	4	4	,	,	PUNCT
cj82k645f2t	4	5	heat	heat	NOUN
cj82k645f2t	4	6	exchangers	exchanger	NOUN
cj82k645f2t	4	7	and	and	CCONJ
cj82k645f2t	4	8	long	long	ADJ
cj82k645f2t	4	9	ducts	duct	NOUN
cj82k645f2t	4	10	,	,	PUNCT
cj82k645f2t	4	11	are	be	AUX
cj82k645f2t	4	12	investigated	investigate	VERB
cj82k645f2t	4	13	,	,	PUNCT
cj82k645f2t	4	14	and	and	CCONJ
cj82k645f2t	4	15	the	the	DET
cj82k645f2t	4	16	following	follow	VERB
cj82k645f2t	4	17	issues	issue	NOUN
cj82k645f2t	4	18	are	be	AUX
cj82k645f2t	4	19	addressed	address	VERB
cj82k645f2t	4	20	.	.	PUNCT
cj82k645f2t	5	1	(	(	PUNCT
cj82k645f2t	5	2	a	a	X
cj82k645f2t	5	3	)	)	PUNCT
cj82k645f2t	5	4	the	the	DET
cj82k645f2t	5	5	first	first	ADJ
cj82k645f2t	5	6	is	be	AUX
cj82k645f2t	5	7	controllability	controllability	NOUN
cj82k645f2t	5	8	for	for	SCONJ
cj82k645f2t	5	9	which	which	DET
cj82k645f2t	5	10	conductive	conductive	ADJ
cj82k645f2t	5	11	-	-	PUNCT
cj82k645f2t	5	12	convective	convective	NOUN
cj82k645f2t	5	13	systems	system	NOUN
cj82k645f2t	5	14	and	and	CCONJ
cj82k645f2t	5	15	cross	cross	ADJ
cj82k645f2t	5	16	-	-	ADJ
cj82k645f2t	5	17	flow	flow	ADJ
cj82k645f2t	5	18	heat	heat	NOUN
cj82k645f2t	5	19	exchangers	exchanger	NOUN
cj82k645f2t	5	20	are	be	AUX
cj82k645f2t	5	21	examined	examine	VERB
cj82k645f2t	5	22	in	in	ADP
cj82k645f2t	5	23	detail	detail	NOUN
cj82k645f2t	5	24	.	.	PUNCT
cj82k645f2t	6	1	in	in	ADP
cj82k645f2t	6	2	the	the	DET
cj82k645f2t	6	3	heat	heat	NOUN
cj82k645f2t	6	4	exchanger	exchanger	NOUN
cj82k645f2t	6	5	,	,	PUNCT
cj82k645f2t	6	6	controllability	controllability	NOUN
cj82k645f2t	6	7	results	result	NOUN
cj82k645f2t	6	8	for	for	ADP
cj82k645f2t	6	9	different	different	ADJ
cj82k645f2t	6	10	choices	choice	NOUN
cj82k645f2t	6	11	of	of	ADP
cj82k645f2t	6	12	the	the	DET
cj82k645f2t	6	13	manipulated	manipulated	ADJ
cj82k645f2t	6	14	variable	variable	NOUN
cj82k645f2t	6	15	are	be	AUX
cj82k645f2t	6	16	presented	present	VERB
cj82k645f2t	6	17	.	.	PUNCT
cj82k645f2t	7	1	(	(	PUNCT
cj82k645f2t	7	2	b	b	X
cj82k645f2t	7	3	)	)	PUNCT
cj82k645f2t	7	4	the	the	DET
cj82k645f2t	7	5	second	second	ADJ
cj82k645f2t	7	6	is	be	AUX
cj82k645f2t	7	7	the	the	DET
cj82k645f2t	7	8	control	control	NOUN
cj82k645f2t	7	9	methodology	methodology	NOUN
cj82k645f2t	7	10	for	for	ADP
cj82k645f2t	7	11	the	the	DET
cj82k645f2t	7	12	outlet	outlet	NOUN
cj82k645f2t	7	13	temperature	temperature	NOUN
cj82k645f2t	7	14	in	in	ADP
cj82k645f2t	7	15	cross	cross	ADJ
cj82k645f2t	7	16	-	-	ADJ
cj82k645f2t	7	17	flow	flow	ADJ
cj82k645f2t	7	18	heat	heat	NOUN
cj82k645f2t	7	19	exchangers	exchanger	NOUN
cj82k645f2t	7	20	.	.	PUNCT
cj82k645f2t	8	1	a	a	DET
cj82k645f2t	8	2	transient	transient	ADJ
cj82k645f2t	8	3	model	model	NOUN
cj82k645f2t	8	4	is	be	AUX
cj82k645f2t	8	5	developed	develop	VERB
cj82k645f2t	8	6	and	and	CCONJ
cj82k645f2t	8	7	tested	test	VERB
cj82k645f2t	8	8	.	.	PUNCT
cj82k645f2t	9	1	the	the	DET
cj82k645f2t	9	2	response	response	NOUN
cj82k645f2t	9	3	of	of	ADP
cj82k645f2t	9	4	this	this	DET
cj82k645f2t	9	5	system	system	NOUN
cj82k645f2t	9	6	to	to	PART
cj82k645f2t	9	7	control	control	VERB
cj82k645f2t	9	8	strategies	strategy	NOUN
cj82k645f2t	9	9	is	be	AUX
cj82k645f2t	9	10	studied	study	VERB
cj82k645f2t	9	11	and	and	CCONJ
cj82k645f2t	9	12	the	the	DET
cj82k645f2t	9	13	performance	performance	NOUN
cj82k645f2t	9	14	of	of	ADP
cj82k645f2t	9	15	a	a	DET
cj82k645f2t	9	16	proportional	proportional	ADJ
cj82k645f2t	9	17	-	-	PUNCT
cj82k645f2t	9	18	integral	integral	ADJ
cj82k645f2t	9	19	(	(	PUNCT
cj82k645f2t	9	20	pi	pi	NOUN
cj82k645f2t	9	21	)	)	PUNCT
cj82k645f2t	9	22	controller	controller	NOUN
cj82k645f2t	9	23	to	to	ADP
cj82k645f2t	9	24	disturbances	disturbance	NOUN
cj82k645f2t	9	25	in	in	ADP
cj82k645f2t	9	26	the	the	DET
cj82k645f2t	9	27	system	system	NOUN
cj82k645f2t	9	28	is	be	AUX
cj82k645f2t	9	29	presented	present	VERB
cj82k645f2t	9	30	.	.	PUNCT
cj82k645f2t	10	1	(	(	PUNCT
cj82k645f2t	10	2	c	c	X
cj82k645f2t	10	3	)	)	PUNCT
cj82k645f2t	10	4	the	the	DET
cj82k645f2t	10	5	third	third	NOUN
cj82k645f2t	10	6	is	be	AUX
cj82k645f2t	10	7	the	the	DET
cj82k645f2t	10	8	effect	effect	NOUN
cj82k645f2t	10	9	of	of	ADP
cj82k645f2t	10	10	delay	delay	NOUN
cj82k645f2t	10	11	in	in	ADP
cj82k645f2t	10	12	heating	heating	NOUN
cj82k645f2t	10	13	or	or	CCONJ
cj82k645f2t	10	14	cooling	cool	VERB
cj82k645f2t	10	15	in	in	ADP
cj82k645f2t	10	16	long	long	ADJ
cj82k645f2t	10	17	ducts	duct	NOUN
cj82k645f2t	10	18	in	in	ADP
cj82k645f2t	10	19	which	which	PRON
cj82k645f2t	10	20	the	the	DET
cj82k645f2t	10	21	flow	flow	NOUN
cj82k645f2t	10	22	velocity	velocity	NOUN
cj82k645f2t	10	23	is	be	AUX
cj82k645f2t	10	24	the	the	DET
cj82k645f2t	10	25	manipulated	manipulated	ADJ
cj82k645f2t	10	26	variable	variable	NOUN
cj82k645f2t	10	27	.	.	PUNCT
cj82k645f2t	11	1	the	the	DET
cj82k645f2t	11	2	governing	govern	VERB
cj82k645f2t	11	3	first	first	ADJ
cj82k645f2t	11	4	-	-	PUNCT
cj82k645f2t	11	5	order	order	NOUN
cj82k645f2t	11	6	partial	partial	ADJ
cj82k645f2t	11	7	differential	differential	ADJ
cj82k645f2t	11	8	equation	equation	NOUN
cj82k645f2t	11	9	is	be	AUX
cj82k645f2t	11	10	transformed	transform	VERB
cj82k645f2t	11	11	to	to	ADP
cj82k645f2t	11	12	a	a	DET
cj82k645f2t	11	13	nonlinear	nonlinear	ADJ
cj82k645f2t	11	14	dynamical	dynamical	ADJ
cj82k645f2t	11	15	system	system	NOUN
cj82k645f2t	11	16	represented	represent	VERB
cj82k645f2t	11	17	by	by	ADP
cj82k645f2t	11	18	an	an	DET
cj82k645f2t	11	19	integro	integro	ADJ
cj82k645f2t	11	20	-	-	PUNCT
cj82k645f2t	11	21	differential	differential	ADJ
cj82k645f2t	11	22	equation	equation	NOUN
cj82k645f2t	11	23	in	in	ADP
cj82k645f2t	11	24	the	the	DET
cj82k645f2t	11	25	residence	residence	NOUN
cj82k645f2t	11	26	time	time	NOUN
cj82k645f2t	11	27	of	of	ADP
cj82k645f2t	11	28	the	the	DET
cj82k645f2t	11	29	fluid	fluid	NOUN
cj82k645f2t	11	30	in	in	ADP
cj82k645f2t	11	31	the	the	DET
cj82k645f2t	11	32	duct	duct	NOUN
cj82k645f2t	11	33	.	.	PUNCT
cj82k645f2t	12	1	both	both	CCONJ
cj82k645f2t	12	2	eulerian	eulerian	ADJ
cj82k645f2t	12	3	and	and	CCONJ
cj82k645f2t	12	4	lagrangian	lagrangian	ADJ
cj82k645f2t	12	5	versions	version	NOUN
cj82k645f2t	12	6	of	of	ADP
cj82k645f2t	12	7	the	the	DET
cj82k645f2t	12	8	equation	equation	NOUN
cj82k645f2t	12	9	are	be	AUX
cj82k645f2t	12	10	numerically	numerically	ADV
cj82k645f2t	12	11	solved	solve	VERB
cj82k645f2t	12	12	.	.	PUNCT
cj82k645f2t	13	1	a	a	DET
cj82k645f2t	13	2	pi	pi	NOUN
cj82k645f2t	13	3	-	-	PUNCT
cj82k645f2t	13	4	based	base	VERB
cj82k645f2t	13	5	controller	controller	NOUN
cj82k645f2t	13	6	is	be	AUX
cj82k645f2t	13	7	used	use	VERB
cj82k645f2t	13	8	to	to	PART
cj82k645f2t	13	9	control	control	VERB
cj82k645f2t	13	10	the	the	DET
cj82k645f2t	13	11	duct	duct	NOUN
cj82k645f2t	13	12	outlet	outlet	PROPN
cj82k645f2t	13	13	temperature	temperature	PROPN
cj82k645f2t	13	14	.	.	PUNCT
cj82k645f2t	14	1	investigation	investigation	NOUN
cj82k645f2t	14	2	of	of	ADP
cj82k645f2t	14	3	the	the	DET
cj82k645f2t	14	4	linear	linear	ADJ
cj82k645f2t	14	5	stability	stability	NOUN
cj82k645f2t	14	6	of	of	ADP
cj82k645f2t	14	7	the	the	DET
cj82k645f2t	14	8	system	system	NOUN
cj82k645f2t	14	9	leads	lead	VERB
cj82k645f2t	14	10	to	to	ADP
cj82k645f2t	14	11	a	a	DET
cj82k645f2t	14	12	transcendental	transcendental	ADJ
cj82k645f2t	14	13	equation	equation	NOUN
cj82k645f2t	14	14	for	for	ADP
cj82k645f2t	14	15	which	which	PRON
cj82k645f2t	14	16	pontryagin	pontryagin	NOUN
cj82k645f2t	14	17	's	's	PART
cj82k645f2t	14	18	theorem	theorem	NOUN
cj82k645f2t	14	19	can	can	AUX
cj82k645f2t	14	20	be	be	AUX
cj82k645f2t	14	21	applied	apply	VERB
cj82k645f2t	14	22	.	.	PUNCT
cj82k645f2t	15	1	the	the	DET
cj82k645f2t	15	2	stability	stability	NOUN
cj82k645f2t	15	3	map	map	NOUN
cj82k645f2t	15	4	for	for	ADP
cj82k645f2t	15	5	the	the	DET
cj82k645f2t	15	6	controller	controller	NOUN
cj82k645f2t	15	7	parameters	parameter	NOUN
cj82k645f2t	15	8	is	be	AUX
cj82k645f2t	15	9	obtained	obtain	VERB
cj82k645f2t	15	10	and	and	CCONJ
cj82k645f2t	15	11	the	the	DET
cj82k645f2t	15	12	effect	effect	NOUN
cj82k645f2t	15	13	of	of	ADP
cj82k645f2t	15	14	the	the	DET
cj82k645f2t	15	15	residence	residence	NOUN
cj82k645f2t	15	16	time	time	NOUN
cj82k645f2t	15	17	on	on	ADP
cj82k645f2t	15	18	the	the	DET
cj82k645f2t	15	19	system	system	NOUN
cj82k645f2t	15	20	stability	stability	NOUN
cj82k645f2t	15	21	is	be	AUX
cj82k645f2t	15	22	determined	determine	VERB
cj82k645f2t	15	23	.	.	PUNCT
cj82k645f2t	16	1	simple	simple	ADJ
cj82k645f2t	16	2	as	as	ADV
cj82k645f2t	16	3	well	well	ADV
cj82k645f2t	16	4	as	as	ADP
cj82k645f2t	16	5	suband	suband	NOUN
cj82k645f2t	16	6	super	super	ADJ
cj82k645f2t	16	7	-	-	ADJ
cj82k645f2t	16	8	critical	critical	ADJ
cj82k645f2t	16	9	hopf	hopf	NOUN
cj82k645f2t	16	10	bifurcations	bifurcation	NOUN
cj82k645f2t	16	11	are	be	AUX
cj82k645f2t	16	12	found	find	VERB
cj82k645f2t	16	13	.	.	PUNCT