Bulk viscosity in relaxing media

V.P. Romanov and S.V. Ul'yanov

Physica A: Statistical Mechanics and its Applications, 1993, vol. 201, issue 4, 527-542

Abstract: Two approaches for the calculation of an accoustical property of relaxing media, namely the bulk viscosity, are analysed. One of them is the thermodynamic relaxation theory and another one is the analysis of the statistical expression for the bulk viscosity. In the frame of the statistical method the system of hydrodynamic equations is constructed for relaxing media. It is shown that the discrepancy between the thermodynamic and statistical approaches is connected with the influence of momentum of relaxational processes which is not contained in the thermodynamic method.

Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:201:y:1993:i:4:p:527-542

DOI: 10.1016/0378-4371(93)90125-N

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