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Relaxation of Rayleigh and Lorentz Gases in Shock Waves

  • Heat and Mass Transfer and Physical Gasdynamics
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High Temperature Aims and scope

Abstract

Two-dimensional Fokker–Planck type kinetic equations were derived, and some calculation results are presented to illustrate the principal distinction of the process of translational relaxation in a flow behind the front of a shock wave from the one-dimensional description that is valid for a stationary gas. In contrast to a Lorentz gas (a small admixture of light particles in a thermostat of heavy particles), the process of translational relaxation in a Rayleigh gas (a small admixture of heavy particles in a thermostat of low-weight gas particles) has an obvious two-dimensional character.

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Authors and Affiliations

  1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    O. V. Skrebkov

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  1. O. V. Skrebkov
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Correspondence to O. V. Skrebkov.

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Original Russian Text © O.V. Skrebkov, 2018, published in Teplofizika Vysokikh Temperatur, 2018, Vol. 56, No. 1, pp. 79–85.

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Skrebkov, O.V. Relaxation of Rayleigh and Lorentz Gases in Shock Waves. High Temp 56, 77–83 (2018). https://doi.org/10.1134/S0018151X18010169

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  • DOI: https://doi.org/10.1134/S0018151X18010169

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