Galileo probe forebody thermal protection - Benchmark heating environment calculations

Details Galileo probe forebody thermal protection - Benchmark heating environment calculations Galileo probe forebody thermal protection - Benchmark heating environment calculations

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981thph.confr....b&link_type=abstract

American Institute of Aeronautics and Astronautics, Thermophysics Conference, 16th, Palo Alto, CA, June 23-25, 1981, 12 p.

Other

Aerodynamic Heating, Atmospheric Entry, Forebodies, Galileo Probe, Jupiter Atmosphere, Reentry Shielding, Aerothermodynamics, Atmospheric Models, Conservation Equations, Convective Heat Transfer, Entropy, Finite Difference Theory, Flow Distribution, Prediction Analysis Techniques, Radiative Heat Transfer, Reentry Trajectories, Shock Layers

Scientific paper

Solutions are presented for the aerothermal heating environment for the forebody heatshield of candidate Galileo probe. Entry into both the nominal and cool-heavy model atmospheres were considered. Solutions were obtained for the candidate heavy probe with a weight of 310 kg and a lighter probe with a weight of 290 kg. In the flowfield analysis, a finite difference procedure was employed to obtain benchmark predictions of pressure, radiative and convective heating rates, and the steady-state wall blowing rates. Calculated heating rates for entry into the cool-heavy model atmosphere were about 60 percent higher than those predicted for the entry into the nominal atmosphere. The total mass lost for entry into the cool-heavy model atmosphere was about 146 kg and the mass lost for entry into the nominal model atmosphere was about 101 kg.

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