Control and augmentation of passive porosity through transpirati

Details Control and augmentation of passive porosity through transpirati Control and augmentation of passive porosity through transpirati

1992-05-22

1999-05-11

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244130, 244 75R, 244199, B64C21/04

Patent

active

059019298

ABSTRACT:
A device for controlling pressure loading of a member caused by a fluid moving past the member or the member moving through a fluid. The device consists of a porous skin mounted over the solid surface of the member and separated from the solid surface by a plenum. Fluid from an area exerting high pressure on the member may enter the plenum through the porous surface and exit into an area exerting a lower pressure on the member, thus controlling pressure loading of the member. A transpirational control device controls the conditions within the plenum thus controlling the side force and yaw moment on the forebody.

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