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Interference and diffraction of pressure shocks in flow around bodies of revolution located near a surface

  • Hydrogasdynamics in Technological Processes
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Journal of Engineering Physics and Thermophysics Aims and scope

This paper presents the results of experimental and computational investigations of a supersonic (M ∞ = 4.03, Re1 = 55∙106 m−1) flow around two bodies of revolution with conical noses with an opening θ = 40° and cylindrical cases with an extension λ = 5 located near a flat surface at zero angles of attack at a relative distance from each other Z = 1.4. We have made a comparison between the structure of the shock waves formed in the zone of hydrodynamic interference of the bodies of revolution in free flight and in flight over the surface at a distance Y = 0.96. We have demonstrated the possibility of satisfactory prediction of the hydrodynamic structure of the realized flows and aerodynamic characteristics of the bodies under investigation on the basis of the numerical solution of Euler equations.

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Authors and Affiliations

  1. S. A. Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Sciences, 4/1 Institutskaya Str., Novosibirsk, 630090, Russia

    V. F. Volkov, E. K. Derunov & A. I. Maksimov

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  1. V. F. Volkov
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  2. E. K. Derunov
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  3. A. I. Maksimov
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Correspondence to V. F. Volkov.

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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 83, No. 1, pp. 98–110, January–February, 2010.

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Volkov, V.F., Derunov, E.K. & Maksimov, A.I. Interference and diffraction of pressure shocks in flow around bodies of revolution located near a surface. J Eng Phys Thermophy 83, 109–121 (2010). https://doi.org/10.1007/s10891-010-0325-3

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  • DOI: https://doi.org/10.1007/s10891-010-0325-3

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