Lean blowoff detection sensor

Apparatus and method for detecting incipient lean blowoff conditions in a lean premixed combustion nozzle of a gas turbine. A sensor near the flame detects the concentration of hydrocarbon ions and/or electrons produced by combustion and the concentration monitored as a function of time are used to...

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Bibliographic Details
Main Authors Thornton, Jimmy, Straub, Douglas L, Chorpening, Benjamin T, Huckaby, David
Format Patent
LanguageEnglish
Published 03.04.2007
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Summary:Apparatus and method for detecting incipient lean blowoff conditions in a lean premixed combustion nozzle of a gas turbine. A sensor near the flame detects the concentration of hydrocarbon ions and/or electrons produced by combustion and the concentration monitored as a function of time are used to indicate incipient lean blowoff conditions.