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Asymptotic structure of inviscid disturbances in a thin shock layer

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Abstract

The WKB method, used in [4] to analyze the short-wave instability of a supersonic mixing layer, is employed to investigate various types of inviscid three-dimensional short-wave disturbances in a thin shock layer of perfect gas with arbitrary velocity and temperature distributions across the layer. Simple analytic expressions for the dispersion relations are obtained for neutral disturbances. The results of an asymptotic analysis are compared with direct numerical calculations for a simple model of the shock layer.

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Literature cited

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Authors and Affiliations

  1. Moscow

    V. R. Gushchin & A. V. Fedorov

Authors
  1. V. R. Gushchin
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  2. A. V. Fedorov
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 6, pp. 72–79, November–December, 1988.

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Gushchin, V.R., Fedorov, A.V. Asymptotic structure of inviscid disturbances in a thin shock layer. Fluid Dyn 23, 861–867 (1988). https://doi.org/10.1007/BF01051820

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  • DOI: https://doi.org/10.1007/BF01051820

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