F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
F02K 1/38 (2006.01) F02K 1/48 (2006.01)
Patent
CA 2728527
An exhaust nozzle includes a conical duct terminating in an annular outlet. A row of vortex generat-ing duplex tabs are mounted in the outlet. The tabs have compound radial and circumferential aft inclination inside the outlet for generating streamwise vortices for attenuat-ing exhaust noise while reducing performance loss.
L'invention concerne une tuyère d'échappement comprenant un conduit conique se terminant en une sortie annulaire. Une rangée de volets duplex générateurs de tourbillons est montée dans la sortie. Les volets ont une inclinaison arrière radiale et circonférentielle composée à l'intérieur de la sortie pour générer des tourbillons longitudinaux en vue d'atténuer le bruit d'échappement tout en réduisant la perte de performance.
Gutmark Ephraim Jeff
Martens Steven
Company General Electric
Craig Wilson And Company
LandOfFree
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