Corner vortex suppressor

Details Corner vortex suppressor Corner vortex suppressor

1993-02-22

1994-04-19

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Details

138 37, 244199, B64C 2300

Patent

active

053038827

ABSTRACT:
A corner vortex forms at the corners of a square or rectangular wind tunnel or water tunnel and disrupts the flow and creates excessive drag, turbulence, noise and wake. The corners defined by a wing/fuselage interface creates the same type of situation. The suppressor provides many small corners to prevent forming of the single large vortex. A honeycomb or mesh provides parallel passageways, each having a size that is a fraction (1/5th to 1/10th) of the depth of the boundary layer (defined as that point in the fluid flow where the velocity is 99% of free stream velocity.

REFERENCES:
patent: 2132961 (1938-10-01), Morgan
patent: 2650752 (1953-09-01), Hoadley
patent: 3733900 (1973-05-01), De Baun
patent: 3964519 (1976-06-01), De Baun
Pope et al, Low Speed Wind Tunnel Testing, Wiley Press 1966 pp. 64, 65, 72,

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