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Teplofizika vysokikh temperatur, 2019, Volume 57, Issue 1, Pages 66–71
DOI: https://doi.org/10.1134/S0040364419010083
(Mi tvt11057)
 

This article is cited in 26 scientific papers (total in 26 papers)

Heat and Mass Transfer and Physical Gasdynamics

Effect of components of the heat conductivity tensor of heat-protection material on the value of heat fluxes from the gasdynamic boundary layer

V. F. Formaleva, S. A. Kolesnik, E. L. Kuznetsova

a Moscow Aviation Institute (National Research University)
References:
Abstract: The effect of components of the heat conductivity tensor of heat-protection material on heat fluxes from the gas to the body were studied based on the first obtained analytical solution of the problem of heat transfer in anisotropic composite material in conditions of a convective–conductive heat exchange flow around by a high-temperature gasdynamic boundary layer. Such an analysis made it possible to determine a considerable decrease of heat fluxes to the lateral surface of blunted anisotropic body with the use of a heat-protection material with a high degree of longitudinal anisotropy (e.g., pyrolytic graphites, the ratio between the longitudinal and transversal heat conductivity coefficients of which may reach a hundred or more). The main contribution to the decrease in heat fluxes is made by the decrease in the temperature gradient on the gas–body boundary from the gas side at the expense of increased body temperature downstream. In addition, the increased gas temperature on the wall leads to increased dynamic viscosity and decreased density, which decreases the local Reynolds numbers and promotes a decrease of heat fluxes. The numeric results are analyzed.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation 9.7100.2017/6.7
This study was supported by the Ministry of Education and Science of the Russian Federation, project no. 9.7100.2017/6.7.
Received: 10.05.2018
English version:
High Temperature, 2019, Volume 57, Issue 1, Pages 58–62
DOI: https://doi.org/10.1134/S0018151X19010085
Bibliographic databases:
Document Type: Article
UDC: 536.21
Language: Russian
Citation: V. F. Formalev, S. A. Kolesnik, E. L. Kuznetsova, “Effect of components of the heat conductivity tensor of heat-protection material on the value of heat fluxes from the gasdynamic boundary layer”, TVT, 57:1 (2019), 66–71; High Temperature, 57:1 (2019), 58–62
Citation in format AMSBIB
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\paper Effect of components of the heat conductivity tensor of heat-protection material on the value of heat fluxes from the gasdynamic boundary layer
\jour TVT
\yr 2019
\vol 57
\issue 1
\pages 66--71
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\crossref{https://doi.org/10.1134/S0040364419010083}
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\transl
\jour High Temperature
\yr 2019
\vol 57
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\pages 58--62
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  • https://www.mathnet.ru/eng/tvt/v57/i1/p66
  • This publication is cited in the following 26 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Teplofizika vysokikh temperatur Teplofizika vysokikh temperatur
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