Fast and slow sound in the two-temperature model

R.P.C. Schram and G.H. Wegdam

Physica A: Statistical Mechanics and its Applications, 1994, vol. 203, issue 1, 33-52

Abstract: The dispersion relation for disparate mass gas mixtures is derived from a simplified two-temperature model. It is shown that the hydrodynamic sound mode (kl→0) goes over continuously into either a fast or a slow propagating sound mode (kl→∞), depending on the composition. The composition that demarcates the composition regions where the continuation of the hydrodynamic sound mode is a fast or slow propagating mode is called the critical co composition. The existence of such a critical composition is confirmed experimentally by new Rayleigh-Brillouin experiments on H2 + Xe mixtures.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:203:y:1994:i:1:p:33-52

DOI: 10.1016/0378-4371(94)90030-2

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