Aeronautics and astronautics – Aircraft structure
Patent
1989-01-17
1991-02-12
Barefoot, Galen
Aeronautics and astronautics
Aircraft structure
244 1R, 244121, 165 41, B64C 132
Patent
active
049917978
ABSTRACT:
The invention provides a system for selective reduction of infrared signature of a vehicle subjected to aerodynamic heating. Liquid coolant under pressure vaporizes in porous sections of the skin of the vehicle to transpiration-cool the skin. Adjacent downstream solid skin sections are film-cooled by the vapor introduced in the boundary layer. Coolant flow control is achieved by pressurizing the liquid coolant, by modulating flow control valves, and, optionally, by configuring the porous section to operate as a cavitating venturi, or combinations of these methods.
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Miller Robert C.
Seemann Rudolf J.
Anderson Terry J.
Barefoot Galen
Block Robert B.
Northrop Corporation
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