Impact of the fuel time lag distribution in elliptical premix nozzles on combustion stability

7th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 2001, Pages

  Polifke, Wolfgang ^a   Kopitz, Jan ^a   Serbanovic, Ana ^a  

^a TECHNICAL UNIVERSITY OF MUNICH   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

AEROACOUSTICS; COMBUSTORS; COMPUTATIONAL FLUID DYNAMICS; FREQUENCY RESPONSE; FUEL INJECTION; FUELS; GEOMETRY; IMPULSE RESPONSE; NOZZLES; REYNOLDS NUMBER;

COMBUSTION INSTABILITIES; COMBUSTION STABILITY; CONVECTIVE TRANSPORT; LAGRANGIAN PARTICLE TRACKING; THERMO-ACOUSTIC STABILITY; TRANSPORT FREQUENCIES; TURBULENT FLAME SPEED; UNIT IMPULSE RESPONSE;

COMBUSTION;

EID: 85088341830     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2001-2104     Document Type: Conference Paper

References (25)

1. Keller, J. J., "Thermoacoustic Oscillations in Combustion Chambers of Gas Turbines," AIAA Journal, Vol. 33, No. 12, 1995, pp. 2280-2287.
2. Straub, D. L. and Richards, G. A., "Effect of Fuel Nozzle Configuration on Premix Combustion Dynamics," Int'l Gas Turbine and Aeroengine Congress & Exposition, ASME 98-GT-492, Stockholm, Sweden, 1998.
3. Lieuwen, T., Torres, H., Johnson, C., and Zinn, B. T., "A Mechanism of Combustion Instability in Lean Premixed Gas Turbine Combustors," Int'l Gas Turbine and Aeroengine Congress & Exposition, ASME 99-GT-3, Indianapolis, IN, 1999.
4. Schuermans, B. B. H., Polifke, W., and Paschereit, C. O., "Modeling Transfer Matrices of Premixed Flames and Comparison with Experimental Result," Int'l Gas Turbine and Aeroengine Congress & Exposition, ASME 99-GT-132, Indianapolis, Indiana, USA, 1999.
5. Berenbrink, P. and Hoffmann, S., "Suppression of Dynamic Combustion Instabilities by Passive and Active Means," Int'l Gas Turbine and Aeroengine Congress & Exposition, ASME 2000-GT-0079, Munich, Germany, 2000.
6. Sattelmayer, T., "Influence Of The Combustor Aerodynamics On Combustion Instabilities From Equivalence Ratio Fluctuations," Int'l Gas Turbine and Aeroengine Congress & Exposition, ASME 2000-GT-82, Munich, Germany, 2000.
7. Gutmark, E. J., "Flow Control with Noncircular Jets," Ann. Rev. Fluid Mech, No. 31, 1999, pp. 239-273.
8. Coats, C., "Coherent Structures in Combustion," Prog. Energy Combust. Sci., Vol. 22, 1997, pp. 427-509.
9. Syred, N. and Beer, J. M., "Combustion in Swirling Flows: A Review," Combust, and Flame, No. 23, 1974, pp. 143.
10. Syred, N., Gupta, A. K., and Beer, J. M., "Temperature and Density Gradient Changes Arising with the Precessing Vortex Core and Vortex Breakdown in Swirl Burners," The Combustion Institute, 1974, p. 587.
11. Paschereit, C. O., Gutmark, E. J., and Weisenstein, W., "Control of combustion driven oscillations by equivalence ratio modulations," Int'l Gas Turbine and Aeroengine Congress & Exposition, ASME 99-GT-118, Indianapolis, IN, 1999.
12. Paschereit, C. O., Flohr, P., Polifke, W., and Bockholts, M., "Fluid Dynamic Instabilities in a Swirl Stabilized Burner and their Effect on Heat Release Fluctuations," Proceedings on Flow Induced Vibrations, Luzern, Switzerland, 2000.
13. Polifke, W., Paschereit, C. O., and Sattelmayer, T., "A Universally Applicable Stability Criterion for Complex Thermoacoustic Systems," 18. Deutsch-Niederldndischer Flammentag, VDI Bericht, No. 1313, Delft, NL, 1997, pp. 455-460.
14. Dowling, A. P. and Hubbard, S., "Acoustic Instabilities in Premix Burners," 4. th AIAA/CEAS Aeroacoustics Conference, Toulouse, 1998.
15. Dowling, A. P., "Thermoacoustic Instability," 6th Int. Congress on Sound and Vibration, Copenhagen, Denmark, 1999, pp. 3277-3292.
16. Polifke, W., Paschereit, C. O., and Dobbeling, K., "Suppression of Combustion Instabilities through Destructive Interference of acoustic and Entropy Waves." 6th. Int. Conf. on Sound and Vibration, Copenhagen, Denmark., 1999.
17. Polifke, W., Paschereit, C. O., and Dobbeling, K., "Constructive and Destructive Interference of Acoustic and Entropy Waves in a Premixed Combustor with a Choked Exit," accepted for publication in Int. J. of Acoustics and Vibration, 2001.
18. Karpov, V. P., Lipatnikov, A. N., and Zimont, V. L., "A model of premixed turbulent combustion and its validation," Archivum Combustionis, Vol. 14, No. 3-4, 1994, pp. 125-141.
19. Zimont, V. A., Polifke, W., Bettelini, M., and Weisenstein, W., "An Efficient Computational Model for Premixed Turbulent Combustion at High Reynolds Numbers based on a Turbulent Flame Speed Closure," J. Eng. for Gas Turbines and Power, Vol. 120, 1998, pp. 526-532.
20. Polifke, W., Flohr, P., and Brandt, M., "Modeling of Inhomogeneously Premixed Combustion with an Extended TFC Model," Int'l Gas Turbine and Aeroengine Congress & Exposition, ASME 2000-GT-0135, Munich, Germany, 2000.
21. Marble, F. E. and Candel, S. M., "Acoustic disturbance from gas non-uniformities convected through a nozzle," J. of Sound and Vibration, Vol. 55, 1977, pp. 225-243.
22. T., S. and Stoica, P., System Identification, Prentice Hall, 1989.
23. Ljung, L., System Identification - Theory For the User, Prentice Hall, 1999, 2nd Edition.
24. Polifke, W., Poncet, A., Paschereit, C. O., and Dobbeling, K., "Determination of (Thermo-)Acoustic Transfer Matrices by Time-Dependent Numerical Simulation." 7th Int. Conference on Numerical Combustion, York, U. K., York, UK, 1998.
25. Polifke, W., Poncet, A., Paschereit, C. O., and Dobbeling, K., "Reconstruction of Acoustic Transfer Matrices by Instationary Computational Fluid Dynamics," accepted for publication in J. of Sound and Vibration, 2001.