Physics
Scientific paper
Jan 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aiaa.meetw....a&link_type=abstract
AIAA, Aerospace Sciences Meeting, 28th, Reno, NV, Jan. 8-11, 1990. 16 p.
Physics
Atmospheric Entry, Hypersonic Vehicles, Planetary Atmospheres, Spacecraft Design, Waveriders, Aerodynamic Configurations, Descent Trajectories, Flight Mechanics, Flow Distribution, Inviscid Flow, Leading Edges, Skin Friction
Scientific paper
The concept of a hypersonic waverider for application in foreign planetary atmospheres is explored, particularly in regard to aero-assist for space vehicle trajectory modification. The overall concept of hypersonic waveriders is discussed in tutorial fashion. A review of past work is given, and the role of a new family of waveriders - the viscous optimized waveriders generated at the University of Maryland - is highlighted. The mechanics of trajectory modification by aerodynamic vehicles with high lift-to-drag ratios in planetary atmospheres is explored. Actual hypersonic waverider designs for Mars and Venus atmospheres are presented. These are the first waveriders ever presented for foreign planetary atmospheres. Moreover, they exhibit very high lift-to-drag ratios, as high as 15 in the Venus atmosphere. These results graphically demonstrate that a hypersonic waverider is a viable candidate for aero-assist maneuvers in foreign planetary atmospheres.
Anderson John D. Jr.
Corda Stephen
Kothari Ajay P.
Lewis Mark J.
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