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Interaction of long-wave disturbances of the external flow with a shock wave on a wedge

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Thermophysics and Aeromechanics Aims and scope

Abstract

Relations for the coefficients of transformation of disturbances to pressure oscillations for the case of long-wave disturbances of the external flow are derived from the general analytical solution of the inviscid problem of disturbance interaction with an oblique shock wave on a wedge. Numerical simulations of interaction of long-wave disturbances with a shock wave on a flat plate aligned at an angle of attack in the interval 5°–20° for a viscous flow regime are performed. Deviations of the transformation coefficients simulated for the viscous case from the inviscid analytical solution in the long-wave approximation are calculated, and corrections for viscous-inviscid interaction in the analytical solution are obtained.

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Authors and Affiliations

  1. Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia

    I. S. Tsyryulnikov & T. V. Poplavskaya

Authors
  1. I. S. Tsyryulnikov
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  2. T. V. Poplavskaya
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Correspondence to T. V. Poplavskaya.

Additional information

This work was performed within the framework of the Program of Fundamental Scientific Research of the State Academies of Sciences in 2013–2020 (Project No. AAAA-A17-117030610126-4).

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Tsyryulnikov, I.S., Poplavskaya, T.V. Interaction of long-wave disturbances of the external flow with a shock wave on a wedge. Thermophys. Aeromech. 28, 29–39 (2021). https://doi.org/10.1134/S0869864321010042

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  • DOI: https://doi.org/10.1134/S0869864321010042

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