F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
60/103
F02K 1/44 (2006.01) F02K 1/46 (2006.01)
Patent
CA 1156476
GAS TURBINE NOISE SUPPRESSOR ABSTRACT OF THE DISCLOSURE Noise generated in a coannular airstream where there are concentric spaced pipes discharging the flow and the outer pipe extends beyond the inner pipe as in the tail pipe configuration of a fan-jet engine is dissipated by discreetly locating tabs extending internally at the discharge end of the inner pipe. This serves to destroy the coherence of the unsteady pressure field occasioned when the coannular flow streams comingle. EH-6593
360550
Larson Richard S.
Packman Allan B.
Swabey Ogilvy Renault
United Technologies Corporation
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