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Approximate modeling of the flow structure in a λ-shaped pseudoshock

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Abstract

An approximate analytical model of the flow structure in a plane λ-shaped pseudoshock consisting of a viscous boundary layer and an inviscid core flow is proposed. It is assumed that the boundary layer edge is a streamline with a specified pressure distribution along the channel and that the flow in the pseudoshock consists of an input segment (Mach reflection of an oblique shock wave) and a sequence of internal segments with an identical structure (shock train). Comparisons with experimental data and results of numerical calculations are performed. It is shown that the model provides a sufficiently accurate description of the pseudoshock flow structure.

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Authors and Affiliations

  1. Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    A. E. Medvedev

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Original Russian Text © A.E. Medvedev.

__________

Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 55, No. 6, pp. 43–59, November–December, 2014.

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Medvedev, A.E. Approximate modeling of the flow structure in a λ-shaped pseudoshock. J Appl Mech Tech Phy 55, 942–956 (2014). https://doi.org/10.1134/S0021894414060054

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  • DOI: https://doi.org/10.1134/S0021894414060054

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