Radiative flux penetration through a blown shock layer for Jupiter entry conditions

Details Radiative flux penetration through a blown shock layer for Jupiter entry conditions Radiative flux penetration through a blown shock layer for Jupiter entry conditions

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978tpht.confr....m&link_type=abstract

American Institute of Aeronautics and Astronautics and American Society of Mechanical Engineers, Thermophysics and Heat Transfer

Physics

Ablation, Atmospheric Entry, Jupiter Atmosphere, Jupiter Probes, Radiation Shielding, Radiative Heat Transfer, Shock Layers, Aerodynamic Heating, Carbon Compounds, Molecular Absorption, Spacecraft Trajectories, Stagnation Point, Viscous Flow

Scientific paper

A study is made of the radiative blockage due to carbonaceous ablation injection for a probe entering the Jupiter atmosphere. This is accomplished by calculating the stagnation-point blockage factors for three entry trajectories that account for variations in probe configuration, atmospheric gas composition, and entry conditions. The radiative blockage within the relatively cool ablation layer is shown to be large and to be primarily dependent upon the absorption of the C2 and C3 species. The C3 absorption is significant, particularly when the new experimental data for C3 spectral absorption properties are used. Also, the stagnation-point radiative blockage factors are shown to correlate well in terms of the no-injection radiative heating rates for various entry conditions.

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