About: Measurement of flow separation in a human vocal folds model

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.springerlink.com/content/t81114611760jp23/
Description	The paper provides experimental data on flow separation from a model of the human vocal folds. Data were measured on a four times scaled physical model, where one vocal fold was fixed and the other oscillated due to fluid–structure interaction. The vocal folds were fabricated from silicone rubber and placed on elastic support in the wall of a transparent wind tunnel. A PIV system was used to visualize the flow fields immediately downstream of the glottis and to measure the velocity fields. From the visualizations, the position of the flow separation point was evaluated using a semiautomatic procedure and plotted for different airflow velocities. The separation point position was quantified relative to the orifice width separately for the left and right vocal folds to account for flow asymmetry. The results indicate that the flow separation point remains close to the narrowest cross-section during most ofthe vocal fold vibration cycle, but moves significantly further downstream shortly prior to and after glottal closure. The paper provides experimental data on flow separation from a model of the human vocal folds. Data were measured on a four times scaled physical model, where one vocal fold was fixed and the other oscillated due to fluid–structure interaction. The vocal folds were fabricated from silicone rubber and placed on elastic support in the wall of a transparent wind tunnel. A PIV system was used to visualize the flow fields immediately downstream of the glottis and to measure the velocity fields. From the visualizations, the position of the flow separation point was evaluated using a semiautomatic procedure and plotted for different airflow velocities. The separation point position was quantified relative to the orifice width separately for the left and right vocal folds to account for flow asymmetry. The results indicate that the flow separation point remains close to the narrowest cross-section during most ofthe vocal fold vibration cycle, but moves significantly further downstream shortly prior to and after glottal closure. (en)
Title	Measurement of flow separation in a human vocal folds model Measurement of flow separation in a human vocal folds model (en)
skos:prefLabel	Measurement of flow separation in a human vocal folds model Measurement of flow separation in a human vocal folds model (en)
skos:notation	RIV/61388998:_____/11:00360761!RIV12-AV0-61388998
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(KJB200760801), Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Šidlof, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	211052
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/11:00360761
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	vocal folds; flow separation; physical model (en)
http://linked.open.../riv/klicoveSlovo	flow separation physical model vocal folds
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[82372BA9BD06]
http://linked.open...i/riv/nazevZdroje	Experiments in Fluids
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Mathematical modeling and experimental investigation of fluid-structure interaction in human vocal folds
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	51
http://linked.open...iv/tvurceVysledku	Šidlof, Petr Cadot, O. Chaigne, A. Doaré, O.
http://linked.open...ain/vavai/riv/wos	000291889300009
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
issn	0723-4864
number of pages	14 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s00348-010-1031-9

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