Aeronautics and astronautics – Aircraft structure – Details
Patent
1988-03-31
1990-04-17
Peters, Jr., Joseph F.
Aeronautics and astronautics
Aircraft structure
Details
102490, B64C 3000, B64C 138
Patent
active
049173359
ABSTRACT:
Atmospheric drag and heating of the forwardmost portions of high speed transatmospheric vehicles and projectiles are reduced by lowering the atmospheric mass density immediately forward of a moving body. A fine high speed stream or jet of a material containing a chemically interactive component is ejected forwardly of such a body moving at high speed with respect to the atmosphere and, in a preferred embodiment of this invention ignites by interaction with the oncoming atmosphere and forms a sustained zone of combustion that, in effect, acts as a maintained "fireball" that explodes away ambient atmosphere transversely of the moving body so that there is generated a zone of low atmospheric density immediately in front of the forwardmost portion of the body. A supply of ejectable material and equipment for forcibly driving the same through a nozzle are carried with the body. The ejected material is preferably pressurized to render it flowable before ejection. The addition of fine particulate material and/or material forming long chain molecules to the flammable component of ejected material facilitates projection of the fireball ahead of the moving body and, also, to increase the transverse dimension of the zone of reduced atmospheric mass density generated thereby.
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Corl Rodney
GT-Devices
Peters Jr. Joseph F.
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