Low drag surface

Details Low drag surface Low drag surface

1982-03-30

1984-03-06

Blix, Trygve M.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244130, 416223R, B64C 314, B64C 2306

Patent

active

044349572

ABSTRACT:
A low drag surface comprises at its upstream edge an intermittent linear vortex producing means extending transverse to the flow of fluid across the surface. The vortex producing means produces a succession of rolling vortices which roll across the surface reducing the drag between the main flow and the surface.

REFERENCES:
patent: 1726882 (1929-09-01), Boerner
patent: 1831780 (1931-11-01), Sharp
patent: 3000401 (1961-09-01), Ringleb
patent: 3578264 (1971-05-01), Kuethe
patent: 3588005 (1971-06-01), Rethorst

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