Methods and apparatus for predicting and/or for avoiding lean blow-outs

A method for predicting lean blow-outs (LBOs) in a gas turbine engine includes extracting a plurality of tones in pressure signals representative of pressure within monitored combustor cans, tracking a frequency of a hot tone in each monitored can, and utilizing the extracted tones and the tracked f...

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Bibliographische Detailangaben
Hauptverfasser: Norman, Bruce Gordon, Taware, Avinash Vinayak, Shah, Minesh Ashok, Singh, Ajai, Ziminsky, Willy Steve, Wu, Pingchuan
Format: Patent
Sprache:eng
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Zusammenfassung:A method for predicting lean blow-outs (LBOs) in a gas turbine engine includes extracting a plurality of tones in pressure signals representative of pressure within monitored combustor cans, tracking a frequency of a hot tone in each monitored can, and utilizing the extracted tones and the tracked frequency to determine a probability of an LBO.