Convective and radiative heating of a Saturn entry probe

Details Convective and radiative heating of a Saturn entry probe Convective and radiative heating of a Saturn entry probe

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ijhmt..27..191t&link_type=abstract

International Journal of Heat and Mass Transfer (ISSN 0017-9310), vol. 27, Feb. 1984, p. 191-205.

Other

Atmospheric Entry, Convective Heat Transfer, Radiative Heat Transfer, Saturn Atmosphere, Space Probes, Spacecraft Shielding, Aerothermodynamics, Boundary Value Problems, Eddy Viscosity, Gas Mixtures, Laminar Flow

Scientific paper

The extent of convective and radiative heating for a Saturn entry probe is investigated in the absence and presence of ablation mass injection. The flow in the shock layer is assumed to be axisymmetric, viscous and in local thermodynamic equilibrium. The importance of chemical nonequilibrium effects for both the radiative and convective nonblowing surface heating rates is demonstrated for prescribed entry conditions. Results indicate that the nonequilibrium chemistry can significantly influence the rate of radiative heating to the entry probes. With coupled carbon-phenolic ablation injection, the convective heating rates are reduced substantially. Turbulence has little effect on radiative heating but it increases the convective heating considerably.

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