About: PIV Measurement of Flow-Patterns in a Human Vocal Tract 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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The contribution describes developed complex physical model of the voice production that consists of the trachea, the self-oscillating vocal folds and the vocal tract with acoustical spaces corresponding to the vowel /a:/. The measurement set-up enabled to use the time-resolved PIV method for visualization of the airflow-pattern and synchronous vocal fold vibration, acoustic and pressure measurements. Preliminary results are presented for measurements performed within a physiologically range of mean air flow rates and fundamental frequencies. Flow structures resembling large vortices with dimensions comparable with the channel cross-section is possible to see above the ventricular folds. The vortices disappear in the narrowest epilaryngeal part of the vocal tract where the flow is uniform. Large eddies of a size comparable with the channel height were observed in the model of the mouth cavity where the airflow was attached to one wall of the channel resembling a Coanda effect. The contribution describes developed complex physical model of the voice production that consists of the trachea, the self-oscillating vocal folds and the vocal tract with acoustical spaces corresponding to the vowel /a:/. The measurement set-up enabled to use the time-resolved PIV method for visualization of the airflow-pattern and synchronous vocal fold vibration, acoustic and pressure measurements. Preliminary results are presented for measurements performed within a physiologically range of mean air flow rates and fundamental frequencies. Flow structures resembling large vortices with dimensions comparable with the channel cross-section is possible to see above the ventricular folds. The vortices disappear in the narrowest epilaryngeal part of the vocal tract where the flow is uniform. Large eddies of a size comparable with the channel height were observed in the model of the mouth cavity where the airflow was attached to one wall of the channel resembling a Coanda effect. (en)
Title	PIV Measurement of Flow-Patterns in a Human Vocal Tract Model PIV Measurement of Flow-Patterns in a Human Vocal Tract Model (en)
skos:prefLabel	PIV Measurement of Flow-Patterns in a Human Vocal Tract Model PIV Measurement of Flow-Patterns in a Human Vocal Tract Model (en)
skos:notation	RIV/61388998:_____/09:00326251!RIV10-AV0-61388998
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA101/08/1155), Z(AV0Z20760514)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Veselý, Jan Horáček, Jaromír Bula, Vítězslav Radolf, Vojtěch Uruba, Václav Šidlof, Petr
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	333535
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/09:00326251
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	biomechanics of voice; glottal flow modelling; artificial vocal folds (en)
http://linked.open.../riv/klicoveSlovo	biomechanics of voice artificial vocal folds glottal flow modelling
http://linked.open...ontrolniKodProRIV	[3AAC71E6511A]
http://linked.open...v/mistoKonaniAkce	Rotterdam
http://linked.open...i/riv/mistoVydani	Rotterdam
http://linked.open...i/riv/nazevZdroje	Proceedings NAG/DAGA 2009
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Computer and physical modelling of vibroacoustic properties of human vocal tract for optimization of voice quality
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Bula, Vítězslav Horáček, Jaromír Radolf, Vojtěch Uruba, Václav Veselý, Jan Šidlof, Petr
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2009-05-23 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	NAG and DEGA
https://schema.org/isbn	978-3-9808659-6-8

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