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Numerical modeling of the receptivity of a supersonic boundary layer to acoustic disturbances

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Abstract

The receptivity of a supersonic (M∞ = 6) boundary layer on a flat plate to acoustic disturbances is investigated on the basis of a numerical solution of the 2D Navier-Stokes equations. Numerical results obtained for fast and slow acoustic waves impinging on the plate at zero angle agree qualitatively with asymptotic theory. Calculations carried out for other angles of incidence of the acoustic waves reveal new features of the perturbation field in the neighborhood of the leading edge of the plate. It is shown that, due to visco-inviscid interaction, the shock formed near the leading edge may significantly affect the acoustic field and the receptivity.

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Authors
  1. I. V. Egorov
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  2. V. G. Sudakov
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  3. A. V. Fedorov
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Additional information

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Translated from Izvestiya Rossiiskoi Academii Nauk, Mekhanika Zhidkosti i Gaza, No. 1, 2006, pp. 42–53.

Original Russian Text Copyright © 2006 by Egorov, Sudakov, and Fedorov.

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Egorov, I.V., Sudakov, V.G. & Fedorov, A.V. Numerical modeling of the receptivity of a supersonic boundary layer to acoustic disturbances. Fluid Dyn 41, 37–48 (2006). https://doi.org/10.1007/s10697-006-0020-4

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  • DOI: https://doi.org/10.1007/s10697-006-0020-4

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