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Mechanodiffusion in a slightly rarefied gas mixture

Author

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  • Vysotsky, V.V.
  • Roldughin, V.I.

Abstract

The flow of a rarefied gas mixture in a plane channel with mobile plate is considered. The plates of channel are assumed to be of different nature. Entropy production in the system is calculated and phenomenological equations of non-equilibrium thermodynamics are obtained. The validity of the Onsager relation for kinetic coefficients is shown. A phenomenon called mechanodiffusion is predicted, and an experimental investigation of the phenomenon is carried out. The experimental results confirm the theoretical predictions. The effect can be used for gas mixtures and isotopes separation.

Suggested Citation

  • Vysotsky, V.V. & Roldughin, V.I., 1994. "Mechanodiffusion in a slightly rarefied gas mixture," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 209(1), pages 25-41.
    • Handle: RePEc:eee:phsmap:v:209:y:1994:i:1:p:25-41
    DOI: 10.1016/0378-4371(94)90048-5
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    References listed on IDEAS

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    1. Halbritter, J. & Waldmann, L., 1980. "Thermodynamical theory of boundary conditions for polyatomic gases," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 104(1), pages 1-24.
    2. Zhdanov, V.M. & Roldughin, V.I., 1992. "The moment method and rarefied gas flow in channels. General relations," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 184(1), pages 169-186.
    3. Zhdanov, V.M. & Roldughin, V.I., 1993. "Moment method and the rarefied gas flow in channels," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 199(2), pages 291-298.
    4. Waldmann, L. & Vestner, H., 1979. "Non-equilibrium thermodynamics of the gas kinetic boundary value problem," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 99(1), pages 1-33.
    5. Hermans, L.J.F. & Horne, R. & Van Wonderen, E.L.M.J., 1985. "The thermomagnetic pressure difference in CO," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 134(1), pages 209-215.
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    Cited by:

    1. Roldughin, V.I., 1997. "Reply to the comments of Sharipov on: Mechanodiffusion in slightly rarefied gas mixture," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 237(3), pages 384-386.

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