SYSTEM AND METHOD FOR REAL-TIME MEASUREMENT OF EQUIVALENCE RATIO OF GAS FUEL MIXTURE

PROBLEM TO BE SOLVED: To provide a system and method of accurately and rapidly measuring an equivalence ratio of the gas-fuel mixture in a practical gas turbine engine in real time.SOLUTION: A real-time monitoring of an equivalence ratio of a gas-fuel mixture of a gas turbine engine is provided. The...

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Hauptverfasser:	LI HEJIE, WEHE SHAWN DAVID, MCMANUS KEITH ROBERT
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION APPARATUS COMBUSTION ENGINES COMBUSTION PROCESSES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PHYSICS STEAM ENGINES TESTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a system and method of accurately and rapidly measuring an equivalence ratio of the gas-fuel mixture in a practical gas turbine engine in real time.SOLUTION: A real-time monitoring of an equivalence ratio of a gas-fuel mixture of a gas turbine engine is provided. The system includes multiple optical probes arranged on a plurality of fuel nozzles for transmitting laser beams directly through a gas-fuel mixture or indirectly by reflecting the laser beams from a surface of a centerbody or burner tube of the fuel nozzle. The system also includes one or more detectors to measure the transmitted laser beams from the multiple optical probes. Further, the system includes a data obtaining subsystem for obtaining and processing signals from the one or more detectors to determine the equivalence ratio of the gas-fuel mixture of the nozzle.