Vortex control

Details Vortex control Vortex control

1973-12-17

1976-02-03

Blix, Trygve M.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

114 665H, 416 90A, B64C 2306

Patent

active

039360130

ABSTRACT:
This invention is for wings of all types, such as fixed wings for aircraft and hydrofoil boats, and rotary blades (or wings) for helicopters and turbines, to be equipped with a slotted tube, or a tube with series of holes extending outwardly in the spanwise direction near the trailing edge of the wing tip for blowing jets of fluid (such as air or water) in the direction opposite to the lift of the wing, thereby achieving flow in the form of a jet sheet to abate, diffuse and break up the undesirable wing-tip or blade-tip vortices.

REFERENCES:
patent: 1775757 (1930-09-01), Gay
patent: 2477461 (1949-07-01), Lee
patent: 3025026 (1962-05-01), Nichols
patent: 3446288 (1969-05-01), Yuan
patent: 3580693 (1971-05-01), Cheeseman et al.
patent: 3692259 (1972-09-01), Yuan

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