Load-bearing structure with reduced tip vortex

Details Load-bearing structure with reduced tip vortex Load-bearing structure with reduced tip vortex

B - Operations, Transporting

64

C

B64C 23/06 (2006.01) B63B 1/24 (2006.01) B63B 21/66 (2006.01) B63B 39/06 (2006.01) B63H 1/26 (2006.01) B63H 1/28 (2006.01) B63H 25/38 (2006.01) B64C 11/18 (2006.01) G01V 1/38 (2006.01)

Patent

CA 2345334

The invention concerns a load-bearing structure such as a wing provided with serrated plates (16) on its free edges for breaking tip vortex generated in those places by distributing the fluid pressure. The vortex dissipation is accelerated, the vortex remanence is considerably reduced. In the case of a spoiler for a hydrophone array (30) warped by a ship (31) for carrying out seismic tests at sea, the noise disturbing the hydrophones (30) is reduced. In the case of marine applications, the risks of cavitation are considerably reduced, in particular concerning stabilisers or propellers. In the case of aeronautical applications, the vortex remanence at take-off and landing is reduced.

La structure portante telle qu'une aile est munie de plaquettes dentelées (16) à ses bords libres pour briser la tourbillon marginal produit à ces endroits par la distribution de pression du fluide. La dissipation du tourbillon est accélérée, la rémanence du tourbillon est considérablement réduite. Dans le cas d'un déflecteur d'une ligne d'hydrophones (30) touée par un navire (31) pour réaliser des essais sismiques en mer, le bruit perturbant les hydrophones (30) est réduit. Dans le cas d'applications marines, les risques de cavitation sont réduits considérablement, notamment en ce qui concerne des stabilisateurs ou des hélices. Dans le cas d'applications en aéronautique, la rémanence des tourbillons au décollage et à l'atterrissage d'avions est réduite.

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