Earth aerobraking strategies for manned return from Mars

Details Earth aerobraking strategies for manned return from Mars Earth aerobraking strategies for manned return from Mars

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991afm..conf.....b&link_type=abstract

AIAA, Atmospheric Flight Mechanics Conference, New Orleans, LA, Aug. 12-14, 1991. 12 p.

Physics

1

Aerobraking, Lift Drag Ratio, Manned Mars Missions, Return To Earth Space Flight, Stagnation Point, Aerocapture, Circular Orbits, Interplanetary Flight, Trajectory Analysis

Scientific paper

The atmospheric flight environment of manned return from Mars is evaluated by analyzing the earth-return entry corridor. To identify and quantify the effects of various atmospheric exit conditions on the mission, the differences beween the capture to a specific orbit and the direct entry to a target splashdown site are investigated. The differences are quantified in terms of the airbrake lift-drag ratio requirements, the stagnation-point heating, and the significance of off-nominal atmospheric conditions. Results are presented on three different earth-return aerobraking scenarios: (1) the capture into a phasing orbit with a 24-hr period, (2) the capture into a 500-km circular orbit, and (3) the direct entry to splashdown.

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