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Pressure difference calculations for a protective coating consisting of oxidizing carbon-carbon material

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Abstract

Attention is drawn to the pressure increase in the pores of a carbon-carbon composite oxidizing in air at high temperatures. Estimates are obtained for the relative pressure difference between the coating-substrate interface and the outer medium in two limiting cases: for hydrodynamic and free-molecule flow regimes in the pores. The effect of the coating thickness, the ambient pressure and the temperature of the material on the relative pressure difference is investigated.

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Authors
  1. A. P. Kuryachii
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  2. V. A. Petrochenkov
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Additional information

Moscow. Translated from Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, No. 4, pp. 144–149, July–August, 1994.

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Kuryachii, A.P., Petrochenkov, V.A. Pressure difference calculations for a protective coating consisting of oxidizing carbon-carbon material. Fluid Dyn 29, 556–560 (1994). https://doi.org/10.1007/BF02319078

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  • DOI: https://doi.org/10.1007/BF02319078

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