Suppression of acoustic cavity resonance induced by fluid flow

Details Suppression of acoustic cavity resonance induced by fluid flow Suppression of acoustic cavity resonance induced by fluid flow

1999-08-04

2000-12-26

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181250, F01N 100

Patent

active

061644110

ABSTRACT:
A flow modifying element is fixedly positioned on a cavity enclosure over a forward portion of an opening therein through which the cavity is exposed to fluid undergoing flow above the opening. Some of such fluid is thereby diverted into the cavity to suppress acoustic oscillations caused by flinduced cavity resonance.

REFERENCES:
patent: 2989136 (1961-06-01), Wohlberg
patent: 5349141 (1994-09-01), Horibe et al.
patent: 5625172 (1997-04-01), Blichmann et al.

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