Estimates of thermochemical relaxation lengths behind normal shock waves relevant to manned lunar and Mars return missions, the aeroassist flight experiment, and Mars entry

Details Estimates of thermochemical relaxation lengths behind normal shock waves relevant to manned lunar and Mars return missions, the aeroassist flight experiment, and Mars entry Estimates of thermochemical relaxation lengths behind normal shock waves relevant to manned lunar and Mars return missions, the aeroassist flight experiment, and Mars entry

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991stin...9121471h&link_type=abstract

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Aeroassist, Atmospheric Entry, Earth Atmosphere, Manned Mars Missions, Mars Atmosphere, Molecular Relaxation, Thermochemistry, Aerothermodynamics, Flight Conditions, Flow Distribution, Maneuvers, Normal Shock Waves, Relaxation Time, Return To Earth Space Flight

Scientific paper

Thermochemical relaxation distances behind the strong normal shock waves associated with vehicles that enter the Earth atmosphere upon returning from a manned lunar or Mars mission are estimated. The relaxation distances for a Mars entry are estimated as well, in order to highlight the extent of the relaxation phenomena early in currently envisioned space exploration studies. The thermochemical relaxation length for the Aeroassist Flight Experiment is also considered. These estimates provide an indication as to whether finite relaxation needs to be considered in subsequent detailed analyses. For the Mars entry, relaxation phenomena that are fully coupled to the flow field equations are used. The relaxation-distance estimates can be scaled to flight conditions other than those discussed.

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