Contoured wing/flap assembly and method

Details Contoured wing/flap assembly and method Contoured wing/flap assembly and method

1992-02-05

1993-01-12

Barefoot, Galen

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244215, 244213, 244200, B64C 922

Patent

active

051783487

ABSTRACT:
A wing flap assembly having a contoured upper forward surface portion of the flap being arranged to reduce adverse effects of a wake producing device, such as a landing gear or a flap track faring, positioned upstream of the slot, when the flap is in its highlift slotted position. The contoured area has a moderately greater slot gap width, and relatively sharper curvature at a nose end of the contoured flap surface portion to produce a desired pressure distribution where recovery begins at a further upstream location on the flap.

REFERENCES:
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patent: 3756540 (1973-09-01), Williams
patent: 3949956 (1976-04-01), Alvarez-Calderoa
patent: 4120470 (1978-10-01), Whitener
patent: 4131252 (1978-12-01), Dean et al.
patent: 4360176 (1982-11-01), Brown
patent: 4426054 (1984-01-01), Wang
patent: 4796840 (1989-01-01), Heynatz
patent: 4813631 (1989-03-01), Gratzer

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