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Nonstationary interaction of a supersonic flying object with extended low-density regions in the atmosphere

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Abstract

A three-dimensional numerical model is developed and the aerodynamic loads are determined for the three-dimensional flow acting on a blunt cone flying in the atmosphere along the boundary of a rarefied region, as functions of the degree of immersion of the surface of the body in low-density air. The nonstationary gas-and aerodynamic processes accompanying the entry and exit of the body from the rarefied region are studied. The aerodynamic coefficients obtained with an approximate model are compared with the three-dimensional calculations and found to be in satisfactory agreement with them.

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Authors and Affiliations

  1. Russian Federal Nuclear Center, 607190, Saratov, Nizhnii Novgorod Region, Russia

    O. M. Velichko, V. D. Urlin & B. P. Yakutov

Authors
  1. O. M. Velichko
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  2. V. D. Urlin
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  3. B. P. Yakutov
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Zh. Tekh. Fiz. 68, 32–37 (November 1998)

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Velichko, O.M., Urlin, V.D. & Yakutov, B.P. Nonstationary interaction of a supersonic flying object with extended low-density regions in the atmosphere. Tech. Phys. 43, 1299–1303 (1998). https://doi.org/10.1134/1.1259187

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  • DOI: https://doi.org/10.1134/1.1259187

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