Influence of collision on the flow through in-vitro rigid models of the vocal folds

M. Deverge; X. Pelorson; C.E. Vilain; P.-Y. Lagrée; F.Z. Chentouf; J.F.H. Willems; A. Hirschberg

doi:10.1121/1.1625933

Influence of collision on the flow through in-vitro rigid models of the vocal folds

M. Deverge, X. Pelorson, C.E. Vilain, P.-Y. Lagrée, F.Z. Chentouf, J.F.H. Willems, A. Hirschberg

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

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Measurements of pressure in oscillating rigid replicas of vocal folds are presented. The pressure upstream of the replica is used as input to various theoretical approximations to predict the pressure within the glottis. As the vocal folds collide the classical quasisteady boundary layer theory fails. It appears however that for physiologically reasonable shapes of the replicas, viscous effects are more important than the influence of the flow unsteadiness due to the wall movement. A simple model based on a quasisteady Bernoulli equation corrected for viscous effect, combined with a simple boundary layer separation model does globally predict the observed pressure behavior.

Originele taal-2	Engels
Pagina's (van-tot)	3354-3362
Tijdschrift	Journal of the Acoustical Society of America
Volume	114
Nummer van het tijdschrift	6
DOI's	https://doi.org/10.1121/1.1625933
Status	Gepubliceerd - 2003

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10.1121/1.1625933

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abstract = "Measurements of pressure in oscillating rigid replicas of vocal folds are presented. The pressure upstream of the replica is used as input to various theoretical approximations to predict the pressure within the glottis. As the vocal folds collide the classical quasisteady boundary layer theory fails. It appears however that for physiologically reasonable shapes of the replicas, viscous effects are more important than the influence of the flow unsteadiness due to the wall movement. A simple model based on a quasisteady Bernoulli equation corrected for viscous effect, combined with a simple boundary layer separation model does globally predict the observed pressure behavior.",

author = "M. Deverge and X. Pelorson and C.E. Vilain and P.-Y. Lagr{\'e}e and F.Z. Chentouf and J.F.H. Willems and A. Hirschberg",

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AU - Deverge, M.

AU - Pelorson, X.

AU - Vilain, C.E.

AU - Lagrée, P.-Y.

AU - Chentouf, F.Z.

AU - Willems, J.F.H.

AU - Hirschberg, A.

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N2 - Measurements of pressure in oscillating rigid replicas of vocal folds are presented. The pressure upstream of the replica is used as input to various theoretical approximations to predict the pressure within the glottis. As the vocal folds collide the classical quasisteady boundary layer theory fails. It appears however that for physiologically reasonable shapes of the replicas, viscous effects are more important than the influence of the flow unsteadiness due to the wall movement. A simple model based on a quasisteady Bernoulli equation corrected for viscous effect, combined with a simple boundary layer separation model does globally predict the observed pressure behavior.

AB - Measurements of pressure in oscillating rigid replicas of vocal folds are presented. The pressure upstream of the replica is used as input to various theoretical approximations to predict the pressure within the glottis. As the vocal folds collide the classical quasisteady boundary layer theory fails. It appears however that for physiologically reasonable shapes of the replicas, viscous effects are more important than the influence of the flow unsteadiness due to the wall movement. A simple model based on a quasisteady Bernoulli equation corrected for viscous effect, combined with a simple boundary layer separation model does globally predict the observed pressure behavior.

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JF - Journal of the Acoustical Society of America

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Influence of collision on the flow through in-vitro rigid models of the vocal folds

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