Jet mixer noise suppressor using acoustic feedback

Details Jet mixer noise suppressor using acoustic feedback Jet mixer noise suppressor using acoustic feedback

1993-04-14

1994-07-05

Casaregola, Louis J.

Power plants

Reaction motor

Method of operation

60262, 60271, 181213, F02C 700

Patent

active

053256611

ABSTRACT:
The present invention generally relates to providing an improved jet mixer noise suppressor for high speed jets that rapidly mixes high speed air flow with a lower speed air flow, and more particularly, relates to an improved jet mixer noise suppressor that uses feedback of acoustic waves produced by the interaction of sheer flow instability waves with an obstacle downstream of the jet nozzle.

REFERENCES:
patent: 2935842 (1960-05-01), Highberg et al.
patent: 3174282 (1965-03-01), Harrison
patent: 3262645 (1966-07-01), Veno
patent: 3666044 (1972-05-01), Killian
patent: 3677501 (1972-07-01), Denning
patent: 3893640 (1975-07-01), Hull et al.
patent: 4036452 (1977-07-01), Schairer
patent: 4168044 (1979-09-01), Rethorst
patent: 4215536 (1980-08-01), Rudolph
patent: 4217756 (1980-08-01), Laskody
patent: 4501393 (1985-02-01), Klees et al.

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