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Effect of SPA-model suspension assembly on the excess-pressure profile measured at a fixed distance from the source

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Thermophysics and Aeromechanics Aims and scope

Abstract

Results of a physical experiment aimed at measuring the profile of relative excess pressure on a control surface in the near zone of the disturbed region of a schematized model of supersonic passenger aircraft (SPA) are reported. Tests in the test section of the T-313 wind tunnel, aimed at identification of the optimum mounting of SPA-model suspension and ensuring measurements of the full profile of the disturbed-pressure wave involving the leading, intermediate, and closing shock waves, were carried out. Comparisons of calculated data with experimental results are presented. Using the revealed optimum model suspension, measurement results in good agreement with the results of numerical calculations are obtained. The numerical solution to the problem about the flow around the geometric model was obtained and the necessary measurements in the experiment were carried out at freestream Mach number M∞ = 2.04 and angle of attack α = 4°.

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Authors and Affiliations

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

    V. F. Volkov & T. A. Kiseleva

Authors
  1. V. F. Volkov
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  2. T. A. Kiseleva
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Corresponding authors

Correspondence to V. F. Volkov or T. A. Kiseleva.

Additional information

This work was partially performed within the Program for Fundamental Scientific Research of the State Academies of Sciences for the years of 2013–2020 (Project No. AAAA-A17-117030610137-0).

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Volkov, V.F., Kiseleva, T.A. Effect of SPA-model suspension assembly on the excess-pressure profile measured at a fixed distance from the source. Thermophys. Aeromech. 27, 233–241 (2020). https://doi.org/10.1134/S0869864320020067

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  • DOI: https://doi.org/10.1134/S0869864320020067

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