Power plants – Combustion products used as motive fluid
Patent
1992-05-05
1993-11-02
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 39281, 60 395, F02C 928
Patent
active
052574962
ABSTRACT:
Combustion in a gas turbine is controlled through use of flame spectroscopy in order to achieve low NO.sub.x emissions in the exhaust. By monitoring the combustion flame in the turbine to determine intensity of non-infrared spectral lines, and dynamically adjusting the fuel/air ratio of the fuel mixture such that this intensity remains below a predetermined level associated with a desired low level of NO.sub.x emissions, the engine produces significantly reduced NO.sub.x emissions in its exhaust but at a sufficiently high combustion flame temperature to avoid any undue risk of flame-out, thereby assuring stable, safe and reliable operation.
REFERENCES:
patent: 5024055 (1991-06-01), Sato
F. Frain, "Research into a Spectral Flame Analyzer Phase 1--Final Report for the Period Apr. 21, 1983--Jun. 30, 1985", Work Performed under United States Department of Energy Contract DE-AC07-831D12463; Jun. 1, 1985.
"Rosemount Optical Light-Off Detector for Stationary Turbine Engines", Rosemount Inc. Catalog, Rosemount Inc., Aerospace Division, 1256 Trapp Road, Eagan, Minn. 55121, Feb. 1992.
Brown Dale M.
Gorowitz Bernard
Casaregola Louis J.
General Electric Company
Snyder Marvin
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