Duct for reducing shock related noise

Details Duct for reducing shock related noise Duct for reducing shock related noise

F - Mech Eng,Light,Heat,Weapons

16

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F16L 55/033 (2006.01) F01D 9/02 (2006.01) F02C 7/24 (2006.01) F02K 1/82 (2006.01)

Patent

CA 2562452

A duct 26 has circumferentially distributed features capable of scattering acoustic energy associated with fluid dynamic shocks 34 extending in a shock orientation direction D. Each feature is oriented, over at least a portion of its length, substantially perpendicular to the shock orientation direction. The features may be splices 42 used to connect segments of an acoustic liner 30, partitions 56 in a stability enhancing casing treatment 32, or other features capable of scattering acoustic energy associated with shocks.

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