Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1997-11-06
2000-05-09
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combustion products generator
431 1, 431114, F02C 722
Patent
active
060587091
ABSTRACT:
An apparatus and method of operation designed to reduce undesirably high pressure oscillations in lean premix combustion systems burning hydrocarbon fuels are provided. Natural combustion and nozzle acoustics are employed to generate multiple fuel pockets which, when burned in the combustor, counteract the oscillations caused by variations in heat release in the combustor. A hybrid of active and passive control techniques, the apparatus and method eliminate combustion oscillations over a wide operating range, without the use of moving parts or electronics.
REFERENCES:
patent: 5428951 (1995-07-01), Wilson
patent: 5544478 (1996-08-01), Shu
patent: 5809769 (1998-09-01), Richards et al.
Janus Michael C.
Richards George A.
Robey Edward H.
Casaregola Louis J.
Dvorscak Mark P.
Moser William R.
Smith Bradley W.
The United States of America represented by the United States De
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