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An Experimental Study of a Passive Method of Attenuating a Transonic Buffet Phenomenon

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Abstract

The results of experimental studies of the physical pattern of the appearance of the buffet phenomenon at transonic speeds for a model supercritical profile are presented. A passive way of controlling this phenomenon is proposed that is connected with the organization of special jet vortex generators. It is experimentally found that the proposed approach leads to a delay in the appearance and weakening of the transonic buffet and, as a result, to an improvement in the aerodynamic characteristics of the profile.

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Funding

The study was supported by the Russian Science Foundation, project no. 16-19-10407.

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Authors and Affiliations

  1. Central Aerohydrodynamic Institute, 140180, Zhukovsky, Moscow oblast, Russia

    M. A. Brutyan, A. V. Volkov & A. V. Potapchik

Authors
  1. M. A. Brutyan
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  2. A. V. Volkov
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  3. A. V. Potapchik
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Correspondence to M. A. Brutyan.

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The authors declare that they have no conflict of interest.

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Translated by O. Zhukova

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Brutyan, M.A., Volkov, A.V. & Potapchik, A.V. An Experimental Study of a Passive Method of Attenuating a Transonic Buffet Phenomenon. Tech. Phys. Lett. 45, 1082–1084 (2019). https://doi.org/10.1134/S106378501911004X

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  • DOI: https://doi.org/10.1134/S106378501911004X

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