Active control of acoustic instability in combustion chambers

Details Active control of acoustic instability in combustion chambers Active control of acoustic instability in combustion chambers

1985-07-15

1987-02-24

Myracle, Jerry W.

Measuring and testing

Test stand

For engine

181200, 431114, G01M 1500

Patent

active

046447830

ABSTRACT:
A combustion chamber subject to the build-up of acoustic vibrations may have the vibrations inhibited by an electrode system which can be modulated to produce anti-noise. Sound is sensed by a microphone which may be mounted remotely to produce a control signal coupled to a voltage generator feeding the electrode system.

REFERENCES:
patent: 2951473 (1960-09-01), Bodine
patent: 3601985 (1971-08-01), Bauger
patent: 3602331 (1971-08-01), Bschorr
patent: 3620013 (1971-11-01), Rogers et al.
patent: 4025724 (1977-05-01), Davidson, Jr. et al.

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