Method and apparatus for modulating flow separation

B - Operations – Transporting – 64 – C

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Details

B64C 21/04 (2006.01) B64C 21/02 (2006.01) F01D 5/14 (2006.01) F01D 9/02 (2006.01) F02K 7/02 (2006.01) F04D 29/68 (2006.01)

Patent

CA 2435173

An apparatus (100) comprising: an aerodynamic surface (110) adapted for producing an adverse pressure gradient in a fluid flow; and a first pulse detonation actuator (120) disposed adjacent the aerodynamic surface (110) and adapted for impulsively detonating a fuel/air mixture to produce a pressure rise and velocity increase of combustion products therein, the aerodynamic surface (110) having a plurality of separation control holes (130) adapted for communicating combustion product flows from the first pulse detonation actuator (120) to the aerodynamic surface (110) for modulating separation of the fluid flow from the aerodynamic surface (110).

Dispositif (100) comportant : une surface aérodynamique (110) adaptée de manière à produire un gradient de pression adverse dans un écoulement de fluide; et un premier actionneur à détonations pulsées (120) disposé de façon adjacente à la surface aérodynamique (110) et adapté de manière à détoner impulsivement un mélange carburant/air pour produire un accroissement de la pression et de la vélocité des produits de combustion contenus, la surface aérodynamique (110) ayant de multiples trous de contrôle de séparation (130) adaptés pour faire en sorte que les flux de produits de combustion du premier actionneur à détonations pulsées (120) communiquent avec la surface aérodynamique (110) afin de moduler la séparation de l'écoulement de fluide de la surface aérodynamique (110).

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