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TECHNICAL PAPERS: Gas Turbines: Combustion and Fuels

Prediction and Measurement of Thermoacoustic Improvements in Gas Turbines With Annular Combustion Systems

[+] Author and Article Information
U. Krüger, J. Hüren

B&B-AGEMA, Gesellschaft für Energietechnische Maschinen und Anlagen, Aachen, Germany

S. Hoffmann, W. Krebs, P. Flohr

Siemens AG, Power Generation Group KWU, Mülheim, Germany

D. Bohn

Institute of Steam and Gas Turbines, Aachen University of Technology, Aachen, Germany

J. Eng. Gas Turbines Power 123(3), 557-566 (Oct 01, 2000) (10 pages) doi:10.1115/1.1374437 History: Received October 01, 1999; Revised October 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Wave propagation in a tube including a flame
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Siemens 3A-Series HBR® turbine combustor
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Acoustic network for combustion chamber in circumferential direction in detail
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Test rig for the measurement of the burner impedance
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Acoustical model for the prediction of the burner impedance
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Burner impedance in the test rig
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Original and improved burner impedance in the gas turbine combustion system
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Stability analysis with improved burner impedance (clockwise direction)
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Stability analysis with improved burner impedance (counterclockwise direction)
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Schematic of cylindrical burner outlet (CBO) layout (Berendbrink and Hoffman 20)
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Acoustic network for the detuned system
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Stability analysis for the detuned system (clockwise direction)
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Stability analysis for the detuned system (counterclockwise direction)
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Stability limits for different cylindrical burner outlet (CBO) configurations (Berendbrink and Hoffman 19)

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