F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
F02K 1/34 (2006.01) F02K 1/44 (2006.01) F02K 1/48 (2006.01) F02K 1/82 (2006.01) G10K 11/16 (2006.01)
Patent
CA 2464830
A system for jet engine noise control of a jet engine having a main jet (32) stream exiting an exhaust nozzle (44) and flowing along a jet axis (30) includes a thermal acoustic shield (42) directed at a non-zero angle relative to the jet axis (30). The thermal acoustic shield (42) may be configurable about the main jet (32) stream. The system may further include at least a fluidic chevron (40) injected at a location relative to the nozzle exit (44) for enhancing mixing in the main jet (32) stream and creating a non-circular jet stream.
Un système de contrôle du bruit d'un moteur à réaction dont l'écoulement gazeux principal (32) sort d'une buse d'éjection (44) et s'écoule le long d'un axe d'écoulement (30), comprend un capotage thermique acoustique (42) orienté selon un angle non nul par rapport à l'axe de l'écoulement (30). Le capotage thermique acoustique (42) peut être configurable autour de l'écoulement gazeux principal (32). Le système peut aussi comprendre au moins un chevron fluidique (40) injecté à un certain emplacement par rapport à la sortie de la buse (44) pour améliorer le mélange dans l'écoulement gazeux principal (32) et créer un écoulement gazeux non circulaire.
Graziosi Paolo
Kirtley Kevin
Mani Ramani
Company General Electric
Craig Wilson And Company
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