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TECHNICAL PAPERS

Thermoacoustic Modeling of a Gas Turbine Combustor Equipped With Acoustic Dampers

[+] Author and Article Information
Valter Bellucci, Bruno Schuermans, Dariusz Nowak, Peter Flohr

ALSTOM (Switzerland) Ltd, CH-5405 Baden-Dättwil, Switzerland

Christian Oliver Paschereit

Technical University of Berlin, D-10623 Berlin, Germany

J. Turbomach 127(2), 372-379 (May 05, 2005) (8 pages) doi:10.1115/1.1791284 History: Received October 01, 2003; Revised March 01, 2004; Online May 05, 2005
Copyright © 2005 by ASME
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References

Paschereit, C. O., Flohr, P., and Schuermans, B., 2001, “Prediction of Combustion Oscillations in Gas Turbine Combustors,” AIAA Paper 2001-0484, Reno, NV, January 8–11.
Akamatsu, S., and Dowling, A., 2001, “Three-Dimensional Thermoacoustic Oscillations in a Premix Combustor,” ASME Paper 2001-GT-0034, New Orleans, LA, June 8–11.
Dowling,  A. P., and Stow,  S. R., 2003, “Modal Analysis of Gas Turbine Combustor Acoustics,” J. Propul. Power, 19, pp. 751–764.
Schuermans, B., Bellucci, V., and Paschereit, C. O., 2003, “Thermoacoustic Modeling and Control of Multi Burner Combustion Systems,” ASME Paper GT-2003-38688, Atlanta, GE, June 16–19.
Pankiewitz, C., and Sattelmayer, T., 2002, “Time Domain Simulation of Combustion Instabilities in Annular Combustors,” ASME Paper GT-2002-30063, Amsterdam, The Netherlands, June 3–6.
Evesque, S., and Polifke, W., 2002, “Low-Order Acoustic Modelling for Annular Combustors: Validation and Inclusion of Modal Coupling,” ASME Paper GT-2002-30064, Amsterdam, The Netherlands, June 3–6.
Schuermans, B., Polifke, W., and Paschereit, C. O., 1999, “Modeling Transfer Matrices of Premixed Flames and Comparison with Experimental Results,” ASME Paper 1999-GT-0132, Indianapolis, IN, June 7–10.
Schuermans, B., Bellucci, V., Nowak, D., and Paschereit, C. O., 2002, “Modelling of Complex Thermoacoustic Systems: A State-Space Approach,” 9th International Congress on Sound and Vibration, Orlando, FL, July 8–11.
Morse, P. M., and Ingard, K., 1968, Theoretical Acoustics, McGraw-Hill, New York.
Fahy,  F. J., and Schofield,  C., 1980, “A Note on the Interaction Between a Helmholtz Resonator and an Acoustic Mode of an Enclosure,” J. Sound Vib., 72, pp. 365–378.
Bellucci, V., Paschereit, C. O., Flohr, P., and Magni, F., 2001, “Acoustic Pulsations in Industrial Gas Turbines,” ASME Paper 2001-GT-0039, New Orleans, LA, June 8–11.
Paschereit, C. O. et al., 2002, “Combustion Control by Extended EV Burner Fuel Lance,” ASME Paper GT-2002-30462, Amsterdam, The Netherlands, June 3–6.
SYSNOISE 5.4 Documentation, 1999, LMS International, Brussels, Belgium.
Bellucci, V., Paschereit, C. O., and Flohr, P., 2002, “Impedance of Perforated Screens with Bias Flow,” AIAA Paper 2002–2437, Breckenridge, CO, June 17–19.
Chu, B. T., 1953, “On the Generation of Pressure Waves at a Plane Flame Front,” Fourth Symposium (International) on Combustion, Massachusetts Institute of Technology, pp. 603–612.
Bellucci, V., Schuermans, B., Paschereit, C. O., and Flohr, P., 2001, “Thermoacoustic Simulation of Lean Premixed Flames Using an Enhanced Time-Lag Model,” AIAA Paper 2001-2794, Anaheim, CA, June 11–14.
Tijdeman,  H., 1975, “On the Propagation of Sound Waves in Cylindrical Tubes,” J. Sound Vib., 39, pp. 1–33.
Using MATLAB Version 6, 1999, MathWorks, Natick, MA.

Figures

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A comparison of combustion system eigenfrequencies: FEM vs network results
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FEM model (left) and example of the acoustic mode (right) of the combustion system
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Magnitude of burner transfer function terms. Dashed line: impedance tube measurements; solid line: FEM simulation
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Impedance tube test rig
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Example of combustor mode (left) and hood mode (right)
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Thermoacoustic network elements
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GT11N2 ALSTOM gas turbine
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Combustion test facility for flame transfer function measurements
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Flame transfer function magnitude. Solid line: measurements; dashed line: analytical model.
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Flame transfer function phase. Solid line: measurements; dashed line: analytical model.
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GT11N2 cooled Helmholtz damper
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Reflection coefficient of GT11N2 cooled resonator. Solid line: analytical model; triangles: impedance lab measurements.
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GT11N2 spectrum without resonators at peak frequency: engine vs TA3 network.
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GT11N2 spectrum with resonators at peak frequency: engine vs TA3 network.

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