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Quasi-one-dimensional approximation in two-dimensional problems of gas dynamics

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Abstract

A useful means of constructing approximate flow models is the hydraulic (for two-dimensional problems quasi-one-dimensional) approach, based on averaging the initial nonuniform flows over some direction or cross section [1]. In this case, at the expense of a rougher model it is possible to reduce the dimensionality of the problem. Here, this approach is extended to unsteady two-dimensional gas-dynamic processes; certain problems (flow around a cone or a blunt body, jet flows) are considered in the framework of the quasi-one-dimensional model obtained, and results are compared with the solutions of the corresponding two-dimensional problems.

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Authors and Affiliations

  1. Moscow

    I. S. Men'shov

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  1. I. S. Men'shov
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 2, pp. 136–143, March–April, 1989.

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Men'shov, I.S. Quasi-one-dimensional approximation in two-dimensional problems of gas dynamics. Fluid Dyn 24, 277–284 (1989). https://doi.org/10.1007/BF01075160

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  • DOI: https://doi.org/10.1007/BF01075160

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