Systems and methods for detecting the flame state of a combustor of a turbine engine

Systems and methods for detecting the flame state of a combustor of a turbine engine

Systems and methods of determining a flame state within a combustor of a turbine engine make use of characteristics of an output pressure of a compressor of the turbine engine and a temperature of exhaust gases of the turbine engine to make a determination. If the first and/or second derivatives of...

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Bibliographische Detailangaben
Hauptverfasser: MOISEEV ALEXANDER, VERSHININ MIKHAIL PETROVICH, KOPCHO SCOTT
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:Systems and methods of determining a flame state within a combustor of a turbine engine make use of characteristics of an output pressure of a compressor of the turbine engine and a temperature of exhaust gases of the turbine engine to make a determination. If the first and/or second derivatives of the output pressure of the compressor and the first and/or second derivatives of the exhaust gas temperature of the turbine engine are all positive during at least portions of a predetermined period of time, one can determine that a flame has ignited in the combustor. If those values are negative during at least portions of a predetermined period of time, one can determine that a flame has been extinguished in the combustor.