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Method for detecting gas turbine engine flashback

United States Patent

September 4, 2012
View the Complete Patent at the US Patent & Trademark Office
A method for monitoring and controlling a gas turbine, comprises predicting frequencies of combustion dynamics in a combustor using operating conditions of a gas turbine, receiving a signal from a sensor that is indicative of combustion dynamics in the combustor, and detecting a flashback if a frequency of the received signal does not correspond to the predicted frequencies.
Singh; Kapil Kumar (Rexford, NY), Varatharajan; Balachandar (Loveland, OH), Kraemer; Gilbert Otto (Greer, SC), Yilmaz; Ertan (Glenville, NY), Lacy; Benjamin Paul (Greer, SC)
General Electric Company (Niskayuna, NY)
12/ 434,695
May 4, 2009
This invention was made with Government support under contract number DE-FC26-05NT42643 awarded by U.S. Department of Energy. The Government has certain rights in the invention.