Estimate of slip effect on compressible laminar-boundary-layer skin friction

Harold Mirels
naca-tn-2609
Jan 1952


Rayleigh's problem for a compressible viscous gas, subject to slip at the wall, is considered. Expressions for slip velocity and skin friction are derived with the gas temperature at the wall and the product of viscosity times density assumed constant, or nearly so. The solution is related to that for the flow past a flat plate by a transformation which, in the continuum regime, results in exact agreement with the expression for laminar skin friction obtained by Chapman and Rubesin.

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