Deep core radial noise suppression treatment for jet...

Details Deep core radial noise suppression treatment for jet... Deep core radial noise suppression treatment for jet...

F - Mech Eng,Light,Heat,Weapons

01

N

F01N 13/08 (2010.01) F02K 1/82 (2006.01) G10K 11/172 (2006.01) F01N 7/08 (2006.01)

Patent

CA 2126274

DEEP CORE RADIAL NOISE SUPPRESSION TREATMENT FOR JET AIRCRAFT ENGINE Abstract of the Disclosure A tubular component such as an exhaust shroud is provided for use in a noise suppression system for an aircraft jet engine, the tubular component providing an outlet passage for jet engine produced exhaust gases having turbo-machinery produced sound energy superimposed thereon, the tubular component having an outer structural shell with a tubular axis and an acoustic liner supported within the structural shell formed of a tubular honeycomb metallic core, the honeycomb core being formed of thin metallic strips joined into a welded honeycomb arrangement of contiguous hexagonal cells, Each of the cells has a longitudinal axis extending perpendicular to the shell tubular axis, each shell being of depth of at least one inch and of a cross-sectional size from wall-to-wall of about 3/8 to 1/2 inch.

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