Apparatus for acoustical quieting of a cavity

Details Apparatus for acoustical quieting of a cavity Apparatus for acoustical quieting of a cavity

1987-02-27

1988-08-02

Kyle, Deborah L.

Aeronautics and astronautics

Miscellaneous

244130, 372104, B64C 114

Patent

active

H00005010

ABSTRACT:
A system for lowering the level of turbulence in an opening through a wall ver which air is flowing at a subsonic velocity wherein an arcuate flange is secured to the downstream edge of the opening and extends into the opening a distance of 0.11 to 0.22 times the length of opening in the direction air flow, the flange being tangent to the wall at the part of attachment of the branch.

REFERENCES:
patent: 2721715 (1955-10-01), Hoadley
patent: 4703904 (1987-11-01), Haslund

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