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Dependence of Poiseuille slip and thermal creep on the law of interaction of gas molecules with the boundary surface

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Abstract

The problem of gas slip at a plane wall is solved on the basis of a linearized kinetic equation with a model collisional term (the S-model, which provides the correct value of the Prandtl number). Expressions are obtained for the Poiseuille slip and thermal creep which contain integrals of the scattering kernel over the velocity half-space. These expressions are made concrete for three particular cases corresponding to well-known models of the scattering kernel.

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Authors and Affiliations

  1. Sverdlovsk

    P. E. Suetin & V. G. Chernyak

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  1. P. E. Suetin
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  2. V. G. Chernyak
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 6, pp. 107–114, November–December. 1977.

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Suetin, P.E., Chernyak, V.G. Dependence of Poiseuille slip and thermal creep on the law of interaction of gas molecules with the boundary surface. Fluid Dyn 12, 903–909 (1977). https://doi.org/10.1007/BF01090327

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  • DOI: https://doi.org/10.1007/BF01090327

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