Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent
1992-10-05
1994-11-22
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft sustentation
Sustaining airfoils
244204, 244209, B64C 2108
Patent
active
053661770
ABSTRACT:
Aerodynamic boundary layer control apparatus comprising a panel assembly having one surface for immersion in an ambient fluid flow and provided with perforations, a first array of fluid transporting channels fluidly coupled with various ones of the perforations, a second array of fluid transporting channels overlapping the first array of channels, and a suction-generating apparatus fluidly coupled with the second array of channels. An opposing surface of the panel assembly has a contour congruent with that of the aircraft wing or body structure to which it is to be removably attached. The suction-generating apparatus applies a suction force to the second array of channels to draw the ambient fluid into the first array of channels to enable conformace of the fluid with the one surface. Apertures couple the first and second fluid-transporting channels, and movable passage-blocking plates positioned in the apertures can be moved to enable creation of different magnitude suction forces at various predetermined locations at the exterior surface of the panel assembly.
REFERENCES:
patent: 2111530 (1938-03-01), Seversky
patent: 3309042 (1967-03-01), Edwards
patent: 3951360 (1976-04-01), Anxionnaz
Barefoot Galen L.
Lewis Terrell P.
Rockwell International Corporation
Silberberg Charles T.
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