Computer Science
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jbis...46...11l&link_type=abstract
British Interplanetary Society, Journal (ISSN 0007-094X), vol. 46, no. 1, p. 11-20.
Computer Science
Aeroassist, Hypersonic Flight, Orbital Maneuvers, Waveriders, Lift Drag Ratio, Planetary Atmospheres, Spacecraft Design, Spacecraft Trajectories, Swingby Technique
Scientific paper
The benefits of using a hypersonic waverider for spacecraft trajectory modification are presented. A waverider is a hypersonic vehicle specifically designed so that the undersurface bow shock is attached to the leading edge, which provides for the highest known lift-to-drag ratios achievable at high Mach number flight. Several viable space missions are suggested which could use such configurations for low-drag aeroassisted maneuvers in planetary atmospheres. It is shown that large changes in the spacecraft velocity vector can be accomplished with acceptably small losses in energy due to drag using a waverider aeroshell. The primary advantage of an aeroassist maneuver is suggested by comparison to a traditional gravity-assist trajectory. Some scaling laws are presented for comparing waveriders designed for different planetary atmospheres, and it is shown that the compositional differences between the terrestrial planets has a minimal impact on waverider design.
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