Startseite Non-equilibrium sound propagation using the orientation-free discrete kinetic theory
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Non-equilibrium sound propagation using the orientation-free discrete kinetic theory

  • R. Kwang-Hua Chu , Y. Jin und J. Fang
Veröffentlicht/Copyright: 1. Juni 2005
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Journal of Non-Equilibrium Thermodynamics
Aus der Zeitschrift Band 29 Heft 1

Abstract

Computations using orientation-free discrete velocity models for the dispersion relationship of ultrasound propagation in monatomic hard-sphere gases (or gases composed of systems of vortices) are presented. Comparisons with previous verified fixed-orientation results for the propagation of the sound mode of ultrasound in rarefied gases show that if collective excitations are considered, orientation-free discrete velocity models can provide more physical insight. We also address the symmetry and limits of these models.

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Published Online: 2005-06-01
Published in Print: 2004-03-04

Copyright © 2004 by Walter de Gruyter GmbH & Co. KG

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