Topical Problems of Fluid Mechanics


Institute of Thermomechanics AS CR, v.v.i.	CTU in Prague Faculty of Mech. Engineering Dept. Tech. Mathematics	MIO Université du Sud Toulon Var - AMU - CNRS - IRD	Czech Pilot centre ERCOFTAC

Large-Eddy Simulation of Flow Through Human Larynx With a Turbulence Grid at Inlet
M. Lasota, P. Šidlof
Abstract:
The upcoming paper brings forward some remarks connected with a turbulence initialization at the inlet of a computational domain. The computational domain is a simplified model of human larynx with vocal folds. As a numerical solution of an airflow through the larynx a Large-Eddy Simulation (LES) approach is applied. Our goal was to induce turbulence fluctuations directly in the subglottal area by using a model of a turbulence grid at inlet. The Reynolds numbers encountered in glottal flow lie in the transitional regime.
Keywords:
CFD, LES, vocal folds, OpenFOAM, turbulence grids

Fulltext: PDF DOI: https://doi.org/10.14311/TPFM.2019.020

In Proceedings Topical Problems of Fluid Mechanics 2019, Prague, 2019 Edited by David Šimurda and Tomáš Bodnár, pp. 139-150 ISBN 978-80-87012-69-7 (Print) ISSN 2336-5781 (Print)