Abstract
We have experimentally studied the effect of a gas-permeable material situated in front of a blunt body on the aerodynamic drag of this system in a supersonic airflow with a Mach number of M = 4.85. It is established that the porous material significantly reduces the wave drag in the system. Explanation of the observed phenomenon is proposed.
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Original Russian Text © V.M. Fomin, S.G. Mironov, K.M. Serdyuk, 2009, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2009, Vol. 35, No. 3, pp. 39–45.
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Fomin, V.M., Mironov, S.G. & Serdyuk, K.M. Reducing the wave drag of bodies in supersonic flows using porous materials. Tech. Phys. Lett. 35, 117–119 (2009). https://doi.org/10.1134/S1063785009020060
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DOI: https://doi.org/10.1134/S1063785009020060