Some Compressibility Effects on Rarefied Gas Flow in Rayleigh Problem

概要

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Rayleigh problem in which a plane wall bounding infinite mass of a gas is set impulsively into uniform motion in its own plane is considered using the B-G-K model of the Boltzmann equation. The velocity U of the wall is assumed to be small, but nonlinear terms of order U^2 in addition to linear ones are taken into account in this analysis. Normal stress on the wall at the initial stage is seen to increase gradually from the initial equilibrium value. The corresponding continuum theory exhibits, however, a sudden jump of the normal stress at the initial moment.
社団法人日本物理学会の論文
1966-08-05