id	sid	tid	token	lemma	pos
ns064457m51	1	1	the	the	DET
ns064457m51	1	2	objective	objective	NOUN
ns064457m51	1	3	of	of	ADP
ns064457m51	1	4	this	this	DET
ns064457m51	1	5	research	research	NOUN
ns064457m51	1	6	was	be	AUX
ns064457m51	1	7	to	to	PART
ns064457m51	1	8	improve	improve	VERB
ns064457m51	1	9	the	the	DET
ns064457m51	1	10	understanding	understanding	NOUN
ns064457m51	1	11	of	of	ADP
ns064457m51	1	12	the	the	DET
ns064457m51	1	13	sound	sound	ADJ
ns064457m51	1	14	source	source	NOUN
ns064457m51	1	15	mechanisms	mechanism	NOUN
ns064457m51	1	16	in	in	ADP
ns064457m51	1	17	a	a	DET
ns064457m51	1	18	low	low	ADJ
ns064457m51	1	19	speed	speed	NOUN
ns064457m51	1	20	ducted	ducte	VERB
ns064457m51	1	21	fan	fan	NOUN
ns064457m51	1	22	through	through	ADP
ns064457m51	1	23	experimental	experimental	ADJ
ns064457m51	1	24	and	and	CCONJ
ns064457m51	1	25	analytical	analytical	ADJ
ns064457m51	1	26	efforts	effort	NOUN
ns064457m51	1	27	.	.	PUNCT
ns064457m51	2	1	to	to	ADP
ns064457m51	2	2	this	this	DET
ns064457m51	2	3	end	end	NOUN
ns064457m51	2	4	,	,	PUNCT
ns064457m51	2	5	a	a	DET
ns064457m51	2	6	new	new	ADJ
ns064457m51	2	7	experimental	experimental	ADJ
ns064457m51	2	8	model	model	NOUN
ns064457m51	2	9	with	with	ADP
ns064457m51	2	10	carefully	carefully	ADV
ns064457m51	2	11	controlled	control	VERB
ns064457m51	2	12	boundary	boundary	ADJ
ns064457m51	2	13	conditions	condition	NOUN
ns064457m51	2	14	was	be	AUX
ns064457m51	2	15	developed	develop	VERB
ns064457m51	2	16	.	.	PUNCT
ns064457m51	3	1	a	a	DET
ns064457m51	3	2	new	new	ADJ
ns064457m51	3	3	method	method	NOUN
ns064457m51	3	4	for	for	ADP
ns064457m51	3	5	quantifying	quantify	VERB
ns064457m51	3	6	the	the	DET
ns064457m51	3	7	net	net	ADJ
ns064457m51	3	8	acoustic	acoustic	ADJ
ns064457m51	3	9	transfer	transfer	NOUN
ns064457m51	3	10	function	function	NOUN
ns064457m51	3	11	between	between	ADP
ns064457m51	3	12	the	the	DET
ns064457m51	3	13	rotor	rotor	NOUN
ns064457m51	3	14	and	and	CCONJ
ns064457m51	3	15	an	an	DET
ns064457m51	3	16	observer	observer	NOUN
ns064457m51	3	17	was	be	AUX
ns064457m51	3	18	found	find	VERB
ns064457m51	3	19	.	.	PUNCT
ns064457m51	4	1	this	this	DET
ns064457m51	4	2	transfer	transfer	NOUN
ns064457m51	4	3	function	function	NOUN
ns064457m51	4	4	caused	cause	VERB
ns064457m51	4	5	by	by	ADP
ns064457m51	4	6	the	the	DET
ns064457m51	4	7	duct	duct	NOUN
ns064457m51	4	8	can	can	AUX
ns064457m51	4	9	significantly	significantly	ADV
ns064457m51	4	10	affect	affect	VERB
ns064457m51	4	11	the	the	DET
ns064457m51	4	12	spectral	spectral	ADJ
ns064457m51	4	13	character	character	NOUN
ns064457m51	4	14	of	of	ADP
ns064457m51	4	15	the	the	DET
ns064457m51	4	16	radiated	radiate	VERB
ns064457m51	4	17	sound	sound	NOUN
ns064457m51	4	18	.	.	PUNCT
ns064457m51	5	1	quantifying	quantify	VERB
ns064457m51	5	2	this	this	DET
ns064457m51	5	3	function	function	NOUN
ns064457m51	5	4	enables	enable	VERB
ns064457m51	5	5	the	the	DET
ns064457m51	5	6	study	study	NOUN
ns064457m51	5	7	of	of	ADP
ns064457m51	5	8	the	the	DET
ns064457m51	5	9	rotor	rotor	NOUN
ns064457m51	5	10	sound	sound	NOUN
ns064457m51	5	11	source	source	NOUN
ns064457m51	5	12	,	,	PUNCT
ns064457m51	5	13	without	without	ADP
ns064457m51	5	14	need	need	NOUN
ns064457m51	5	15	of	of	ADP
ns064457m51	5	16	other	other	ADJ
ns064457m51	5	17	methods	method	NOUN
ns064457m51	5	18	for	for	ADP
ns064457m51	5	19	considering	consider	VERB
ns064457m51	5	20	duct	duct	NOUN
ns064457m51	5	21	effects	effect	NOUN
ns064457m51	5	22	.	.	PUNCT
ns064457m51	6	1	a	a	DET
ns064457m51	6	2	new	new	ADJ
ns064457m51	6	3	formulation	formulation	NOUN
ns064457m51	6	4	for	for	ADP
ns064457m51	6	5	predicting	predict	VERB
ns064457m51	6	6	the	the	DET
ns064457m51	6	7	noise	noise	NOUN
ns064457m51	6	8	generated	generate	VERB
ns064457m51	6	9	by	by	ADP
ns064457m51	6	10	a	a	DET
ns064457m51	6	11	ducted	ducte	VERB
ns064457m51	6	12	rotor	rotor	NOUN
ns064457m51	6	13	interacting	interact	VERB
ns064457m51	6	14	with	with	ADP
ns064457m51	6	15	a	a	DET
ns064457m51	6	16	casing	case	VERB
ns064457m51	6	17	boundary	boundary	ADJ
ns064457m51	6	18	layer	layer	NOUN
ns064457m51	6	19	has	have	AUX
ns064457m51	6	20	been	be	AUX
ns064457m51	6	21	developed	develop	VERB
ns064457m51	6	22	.	.	PUNCT
ns064457m51	7	1	the	the	DET
ns064457m51	7	2	method	method	NOUN
ns064457m51	7	3	accounts	account	VERB
ns064457m51	7	4	for	for	ADP
ns064457m51	7	5	the	the	DET
ns064457m51	7	6	streamwise	streamwise	NOUN
ns064457m51	7	7	-	-	PUNCT
ns064457m51	7	8	elongated	elongate	VERB
ns064457m51	7	9	turbulent	turbulent	ADJ
ns064457m51	7	10	structures	structure	NOUN
ns064457m51	7	11	that	that	PRON
ns064457m51	7	12	have	have	AUX
ns064457m51	7	13	been	be	AUX
ns064457m51	7	14	recently	recently	ADV
ns064457m51	7	15	observed	observe	VERB
ns064457m51	7	16	in	in	ADP
ns064457m51	7	17	flat	flat	ADJ
ns064457m51	7	18	-	-	PUNCT
ns064457m51	7	19	plate	plate	NOUN
ns064457m51	7	20	boundary	boundary	ADJ
ns064457m51	7	21	layers	layer	NOUN
ns064457m51	7	22	.	.	PUNCT
ns064457m51	8	1	an	an	DET
ns064457m51	8	2	approximation	approximation	NOUN
ns064457m51	8	3	for	for	ADP
ns064457m51	8	4	the	the	DET
ns064457m51	8	5	duct	duct	NOUN
ns064457m51	8	6	boundary	boundary	ADJ
ns064457m51	8	7	layer	layer	NOUN
ns064457m51	8	8	two	two	NUM
ns064457m51	8	9	-	-	PUNCT
ns064457m51	8	10	point	point	NOUN
ns064457m51	8	11	correlation	correlation	NOUN
ns064457m51	8	12	function	function	NOUN
ns064457m51	8	13	allows	allow	VERB
ns064457m51	8	14	the	the	DET
ns064457m51	8	15	net	net	ADJ
ns064457m51	8	16	sound	sound	NOUN
ns064457m51	8	17	source	source	NOUN
ns064457m51	8	18	to	to	PART
ns064457m51	8	19	be	be	AUX
ns064457m51	8	20	estimated	estimate	VERB
ns064457m51	8	21	.	.	PUNCT
ns064457m51	9	1	finally	finally	ADV
ns064457m51	9	2	,	,	PUNCT
ns064457m51	9	3	the	the	DET
ns064457m51	9	4	self	self	NOUN
ns064457m51	9	5	-	-	PUNCT
ns064457m51	9	6	noise	noise	NOUN
ns064457m51	9	7	generated	generate	VERB
ns064457m51	9	8	by	by	ADP
ns064457m51	9	9	a	a	DET
ns064457m51	9	10	ducted	ducte	VERB
ns064457m51	9	11	rotor	rotor	NOUN
ns064457m51	9	12	was	be	AUX
ns064457m51	9	13	studied	study	VERB
ns064457m51	9	14	.	.	PUNCT
ns064457m51	10	1	the	the	DET
ns064457m51	10	2	flow	flow	NOUN
ns064457m51	10	3	rate	rate	NOUN
ns064457m51	10	4	through	through	ADP
ns064457m51	10	5	the	the	DET
ns064457m51	10	6	rotor	rotor	NOUN
ns064457m51	10	7	was	be	AUX
ns064457m51	10	8	varied	varied	ADJ
ns064457m51	10	9	independently	independently	ADV
ns064457m51	10	10	from	from	ADP
ns064457m51	10	11	the	the	DET
ns064457m51	10	12	rotor	rotor	NOUN
ns064457m51	10	13	rotation	rotation	NOUN
ns064457m51	10	14	rate	rate	NOUN
ns064457m51	10	15	in	in	ADP
ns064457m51	10	16	order	order	NOUN
ns064457m51	10	17	change	change	VERB
ns064457m51	10	18	the	the	DET
ns064457m51	10	19	mean	mean	ADJ
ns064457m51	10	20	lift	lift	NOUN
ns064457m51	10	21	on	on	ADP
ns064457m51	10	22	the	the	DET
ns064457m51	10	23	blades	blade	NOUN
ns064457m51	10	24	.	.	PUNCT
ns064457m51	11	1	measurements	measurement	NOUN
ns064457m51	11	2	of	of	ADP
ns064457m51	11	3	the	the	DET
ns064457m51	11	4	flow	flow	NOUN
ns064457m51	11	5	field	field	NOUN
ns064457m51	11	6	around	around	ADP
ns064457m51	11	7	the	the	DET
ns064457m51	11	8	rotor	rotor	NOUN
ns064457m51	11	9	were	be	AUX
ns064457m51	11	10	found	find	VERB
ns064457m51	11	11	to	to	PART
ns064457m51	11	12	provide	provide	VERB
ns064457m51	11	13	insight	insight	NOUN
ns064457m51	11	14	to	to	ADP
ns064457m51	11	15	the	the	DET
ns064457m51	11	16	mechanisms	mechanism	NOUN
ns064457m51	11	17	of	of	ADP
ns064457m51	11	18	sound	sound	NOUN
ns064457m51	11	19	that	that	PRON
ns064457m51	11	20	depend	depend	VERB
ns064457m51	11	21	on	on	ADP
ns064457m51	11	22	mean	mean	ADJ
ns064457m51	11	23	loading	loading	NOUN
ns064457m51	11	24	conditions	condition	NOUN
ns064457m51	11	25	.	.	PUNCT