Thermoacoustic combustion oscillation and vibration experienced in a gas turbine at operation is reported. The oscillation manifested itself at two distinct frequencies representing the first and second mode frequencies of the combined hot and cold (combustion chamber/burner air) Rijke type thermoacoustic model. The first mode was a lower amplitude thermoacoustically driven free Rijke mode. The higher frequency second Rijke mode coupled with the second acoustic mode of the combustion chamber resulted in high amplitude oscillation. Modifications to the burner cold air components are considered which would eliminate the oscillation. The paper will present and discuss the principal parameters which caused the oscillation and changes which would eliminate it.
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November 2003
Technical Papers
Thermoacoustically-Based Combustion Oscillation in a Gas Turbine—A Brief Note
Frantisek L. Eisinger, Mem. ASME,
Frantisek L. Eisinger, Mem. ASME
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Robert E. Sullivan, Mem. ASME
Robert E. Sullivan, Mem. ASME
Foster Wheeler Power Group, Inc., Clinton, NJ 08809-4000
Search for other works by this author on:
Frantisek L. Eisinger, Mem. ASME
Robert E. Sullivan, Mem. ASME
Foster Wheeler Power Group, Inc., Clinton, NJ 08809-4000
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division July 3, 2002; revision received May 19, 2003. Associate Editor: S. Y. Zamrik.
J. Pressure Vessel Technol. Nov 2003, 125(4): 454-459 (6 pages)
Published Online: November 4, 2003
Article history
Received:
July 3, 2002
Revised:
May 19, 2003
Online:
November 4, 2003
Citation
Eisinger, F. L., and Sullivan, R. E. (November 4, 2003). "Thermoacoustically-Based Combustion Oscillation in a Gas Turbine—A Brief Note ." ASME. J. Pressure Vessel Technol. November 2003; 125(4): 454–459. https://doi.org/10.1115/1.1613303
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