Power plants – Combustion products used as motive fluid
Patent
1992-12-16
1994-09-27
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 39281, 60734, F02C 926
Patent
active
053498119
ABSTRACT:
A system for reducing the formation of NO.sub.x pollutants during the combustion of liquid fuel in a gas turbine engine. The system comprises introducing an externally modulated, rapidly-pulsed, oscillated or sinusoidal fuel flow delivery rate (generically referred to as "modulated") to produce a controlled degree of combustor air input flow oscillation and bulk flow oscillation within the combustor which enhances the fuel-air mixing rate and homogeneity within the combustor, decreases the residence time of transition fuel/air mixtures prone to NO.sub.x formation, and substantially decreases the NO.sub.x concentration in the resulting combustion gas product without creating a net pressure gain throughout the combustion chamber.
REFERENCES:
patent: 3006144 (1961-10-01), Arnett et al.
patent: 3688495 (1972-09-01), Fehler et al.
patent: 3798901 (1974-03-01), Lewenhaupt
patent: 3946551 (1976-03-01), Linebrink et al.
patent: 4015426 (1977-04-01), Hobo et al.
patent: 4454713 (1984-06-01), Meyer et al.
Goldfarb Victor M.
Reich Judith E.
Sadovnik Isaac
Stickler David B.
Swallom Daniel W.
Avco Corporation
Casaregola Louis J.
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