The aerothermal environment and material response: A review

Details The aerothermal environment and material response: A review The aerothermal environment and material response: A review

Aug 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974oppt.workr....n&link_type=abstract

In Dynatrend, Inc. Proc. of Outer Planet Probe Technol. Workshop, Sect. 1 through 11 20 p (SEE N75-20358 12-12)

Other

Aerodynamic Heating, Aerothermodynamics, Atmospheric Entry, Planetary Atmospheres, Ablation, Atmospheric Composition, Atmospheric Models, Flow Coefficients, Flow Distribution, Mixing Layers (Fluids), Radiative Heat Transfer, Transport Properties

Scientific paper

Aerothermal environments are discussed with emphasis on the cold dense and warm atmospheres of Saturn and Uranus. The spectral distribution of the incident radiation flux is given for the Saturn nominal entry. Saturn and Uranus stagnation point heat pulses with no ablation are compared. Calculations for small flow rates, important in the Saturn-Uranus nominal type entries, are given to investigate the effects due to the mixing layer separation. Analytical and experimental techniques applicable to flowfield calculations are reviewed with emphasis on two--dimensional flow capabilities. Transport properties are reviewed in terms of flowfield calculations along with radiation transport codes. Various approaches to entry calculations are presented. It is indicated that only certain aspects of the aerothermal environment can be simulated in the laboratory and that although flight experiments are becoming feasible they are so expensive that they are prohibitive. Recommendations for further study are included.

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