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Structure of the disturbed boundary layer near a cold surface

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Abstract

A study is made of a laminar boundary layer near a cold plate in the regime of weak viscous -inviscid interaction in the limit in which the free-stream Mach number tends to infinity and the temperature factor to zero. Local disturbed flow regions formed due to the presence of small elements of roughness on the surface of the plate are investigated. It is found that thick regions of roughness elements induce disturbances of the frictional stresses and the heat flux of the same order as these quantities in the undisturbed boundary layer, while all thin regions of roughness elements induce only small, linear perturbations and, therefore, cannot cause separation of the boundary layer; the different regimes of flow past the roughness elements are described.

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Authors and Affiliations

  1. Moscow

    V. V. Bogolepov & I. I. Lipatov

Authors
  1. V. V. Bogolepov
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  2. I. I. Lipatov
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 1, pp. 19–27, January–February, 1991.

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Bogolepov, V.V., Lipatov, I.I. Structure of the disturbed boundary layer near a cold surface. Fluid Dyn 26, 15–23 (1991). https://doi.org/10.1007/BF01050107

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  • DOI: https://doi.org/10.1007/BF01050107

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