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The effect of temperature of a cone nose-tip on the spectra of disturbances in the hypersound boundary layer

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Abstract

The results of an experimental study of the influence of local heating/cooling of a blunted cone nose-tip on the development of perturbations in the boundary layer for Mach number M = 6 are presented. A comparative analysis of the pressure-pulsation spectra on the cone surface has been carried out. It is shown that heating/cooling in the boundary layer of an acute cone leads to destabilization/stabilization of the perturbations of the second mode. For blunted cones, the opposite effect has been observed: heating leads to weak stabilization of disturbances, and cooling leads to destabilization. This effect is enhanced by increasing the bluntness radius of the cone nose-tip.

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Authors and Affiliations

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

    D. A. Buntin, A. A. Maslov & Yu. V. Gromyko

  2. Novosibirsk State University, Novosibirsk, 630090, Russia

    D. A. Buntin, A. A. Maslov & Yu. V. Gromyko

Authors
  1. D. A. Buntin
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  2. A. A. Maslov
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  3. Yu. V. Gromyko
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Correspondence to D. A. Buntin.

Additional information

Original Russian Text © D.A. Buntin, A.A. Maslov, Yu.V. Gromyko, 2017, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2017, Vol. 43, No. 20, pp. 12–19.

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Buntin, D.A., Maslov, A.A. & Gromyko, Y.V. The effect of temperature of a cone nose-tip on the spectra of disturbances in the hypersound boundary layer. Tech. Phys. Lett. 43, 916–919 (2017). https://doi.org/10.1134/S1063785017100194

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  • DOI: https://doi.org/10.1134/S1063785017100194

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