Power plants – Combustion products used as motive fluid – Process
Reexamination Certificate
2007-10-09
2007-10-09
Casaregola, L. J. (Department: 3746)
Power plants
Combustion products used as motive fluid
Process
C060S039270
Reexamination Certificate
active
10930491
ABSTRACT:
A method of monitoring and controlling the combustion dynamics of a gas turbine engine system is provided. The system includes at least one gas turbine that includes at least one combustor can. The method includes receiving a signal from a gas turbine engine sensor that is indicative of combustion dynamics in at least one of the combustor cans, processing the received signal to determine a probability of lean blowout for at least one combustor can, and controlling the gas turbine engine system to facilitate reducing a probability of a lean blowout (LBO) event using the determined probability of lean blowout.
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“Optical and Acoustic Sensing of Lean Blowout Precursors” by T.M. Muruganandam, S. Nair, Y. Neumeier, T. Lieuwen, J.M. Seitzman, 38thAIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, Jul. 7-10, 2002.
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“Evaluation of Chemiluminescence as Sensor for Lean Premixed Combustion,” by Laurent Zimmer, Shigeru Tachibana, Takeshi Yamamoto, Yohji Kurosawa, and Kazuo Suzuki, National Aerospace Laboratory of Japan.
Shah Minesh Ashok
Singh Ajai
Taware Avinash Vinayak
Wu Pingchuan
Ziminsky Willy Steve
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