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Area rule for heat transfer coefficient of three-dimensional ablating bodies in heat flows that depend locally on the angle of attack

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Abstract

The area rule, which is well known for wave resistance [1, 2], is generalized to the heating of three-dimensional bodies by flows which depend locally on the angle of attack. Calculations are made for triaxial ellipsoids with different ratios of the semiaxes, and the limits of applicability of the rule are found. The problem of determining the ablation of a three-dimensional body that changes its shape in a heat flow is solved. It is shown that the area rule also holds for a change of mass of three-dimensional bodies, and expressions are given for calculating the ablation.

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Authors and Affiliations

  1. Moscow

    É. Z. Apshtein & N. N. Pilyugin

Authors
  1. É. Z. Apshtein
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  2. N. N. Pilyugin
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 2, pp. 71–76, March–April, 1979.

We are grateful to G. G. Chernyi and G. A. Tirskii for discussing the results.

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Apshtein, É.Z., Pilyugin, N.N. Area rule for heat transfer coefficient of three-dimensional ablating bodies in heat flows that depend locally on the angle of attack. Fluid Dyn 14, 223–227 (1979). https://doi.org/10.1007/BF01051664

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  • DOI: https://doi.org/10.1007/BF01051664

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