Engineering Mechanics

International Conference

Proceedings Vol. 30 (2024)


ENGINEERING MECHANICS 2024

30th INTERNATIONAL CONFERENCE
May 14 – 16, 2024, Milovy, Czech Republic
;
Editors: Vladimír Fuis and Petr Hájek

Copyright © 2024 Brno University of Technology, Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno

ISBN 978-80-214-6235-9 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Experimental investigation of fluid-structure-acoustic couplings by studying the resonance properties of vocal tract models with yielding walls
Radolf V., Horáček J., Košina J.
pages 250 - 253, full text

The novel experimental setup has been designed to study fluid-structure-acoustic interaction of the self-oscillating vocal folds model with vocal tract cavities and with a dynamical system originating in vibration of the soft tissue. The compliance of the vocal tract walls changes the phonation threshold so that a very small airflow is sufficient to vibrate the vocal folds. Comparing the same flow rates, the subglottal and radiated sound pressures are higher in the yielding-walled model. The shift of acoustic resonances towards higher frequencies due to the yielding wall corresponds to earlier experimental and numerical simulations.


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