Radiative heat transfer of a meteoroid in the approximation of radiative thermal conductivity

Details Radiative heat transfer of a meteoroid in the approximation of radiative thermal conductivity Radiative heat transfer of a meteoroid in the approximation of radiative thermal conductivity

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986kosis..24...58p&link_type=abstract

Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 24, Jan.-Feb. 1986, p. 58-68. In Russian.

Physics

1

Meteoroids, Planetary Atmospheres, Radiative Heat Transfer, Thermal Conductivity, Ablation, Asymptotic Methods, Heat Transfer Coefficients, Hypersonic Heat Transfer, Mass Transfer

Scientific paper

The radiative heat transfer coefficient of large meteoroids moving with hyperbolic velocity in an planetary atmosphere is calculated. The solution of this problem makes it possible to study mass loss from the meteoroid under aerodynamic heating and to determine the initial conditions for the analysis of the fragmentation of large bodies and their subsequent motion and ablation. Attention is given to hypersonic flow past an axisymmetric blunt body with allowance for radiative transfer in the thick-thin approximation. The method of matched asymptotic expansions, employing the hypersonic approximation and local self-similarity, is used to solve the gasdynamic problem of the flow of an optically thick gas past a large meteoroid.

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