Stability increase of aerodynamically unstable rotors using intentional mistuning

Journal of Turbomachinery

Volumn 130, Issue 1, 2008, Pages

  Martel, Carlos ^a   Corral, Roque ^b   Llorens, José Miguel ^a  

^a UNIVERSIDAD POLITÉCNICA DE MADRID   (Spain)

^b Industria de TurboPropulsores SA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

ASYMPTOTIC ANALYSIS; DIFFERENCE EQUATIONS; DYNAMICS; ELECTRIC GENERATORS; GAS DYNAMICS; NUMERICAL ANALYSIS; PARAMETER ESTIMATION; ROTORS; STABILITY; STRUCTURAL DYNAMICS; SYSTEM STABILITY;

ASYMPTOTIC EXPANSIONS; BLADE MISTUNING; FIRST ORDERS; LOW PRESSURE (LP); MISTUNING; MISTUNING MODEL; ROTOR STABILITY; STABILITY PROPERTIES; TURBINE ROTORS; VIBRATION CHARACTERISTICS;

ASYMPTOTIC STABILITY;

EID: 47649089993     PISSN: 0889504X     EISSN: None     Source Type: Journal    
DOI: 10.1115/1.2720503     Document Type: Article

References (19)

1. Srinivasan, A. V., 1984, "Vibrations of Bladed-Disc Assemblies: A Selected Survey," ASME J. Vib., Acoust., Stress, Reliab. Des., 106(2), pp. 165-168.
2. Kaza, K. R. V., and Kielb, R. E., 1982, "Flutter and Response of a Mistuned Cascade in Incompressible Flow," AIAA J., 20(8), pp. 1120-1127.
3. Srinivasan, A. V., 1980, "Influence of Mistuning on Blade Torsional Flutter," Paper No. NASA CR-165137, (1).
4. Bendiksen, O. O., 1984, "Flutter of Mistuned Turbomachinery Rotors," J. Eng. Gas Turbines Power, 106, pp. 25-33.
5. Nowinsky, M., and Panovsky, J., 2000, "Flutter Mechanisms in Low Pressure Turbine Blades," J. Eng. Gas Turbines Power, 122, pp. 82-88.
6. Sadeghi, M., and Liu, E, 2001, "Computation of Mistuning Effects on Cascade Flutter," AIAA J., 39(1), pp. 22-28.
7. Seinturier, E., Dupont, C., Berthillier, M., and Dumas, M., 2002, "A New Method to Predict Flutter in Presence of Structural Mistuning With Application to a Wide Chord Fan Stage," Proceedings 9th International Symposium on Unstaedy Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines, Lyon, France, September 4-8, 2000, pp. 739-749.
8. Corral, R., and Gallardo, J. M., 2005, "Strain-Gauge Prediction of Self-Excited Vibrations on Low Pressure Turbine Blades," Proceedings AVT-121 RTO Symposium on Evaluation, Control and Prevention of High Cycle Fatigue in Gas Turbine Engines for Land, Sea and Air, Granada, Spain, October 3-7.
9. Crawley, E. F., and Hall, K. C., 1985, "Optimization and Mechanisms of Mistuning in Cascades," J. Eng. Gas Turbines Power, 107, pp. 418-426.
10. Ewins, D. J., 1969, "The Effects of Detuning Upon the Forced Vibrations of Bladed-Disks," J. Sound Vib., 9(1), pp. 65-79.
11. Yang, M.-T., and Griffin, J. H., 1997, "A Reduced Order Approach for the Vibration of Mistuned Nalded Disk Assemblies," J. Eng. Gas Turbines Power, 119, pp. 161-167.
12. Castanier, M. E, Ottarson, G., and Pierre, C., 1997, "A Reduced Order Modeling Technique for Mistuned Bladed-Disks," J. Vibr. Acoust., 119(3), pp. 439-447.
13. Yang, M. T., and Griffin, J. H., 1999, "A Reduced Order Model of Mistuning Using a Subset of Nominal Modes," ASME Paper No. 99-GT-288.
14. Feiner, D. M., and Griffin, J. H., 2002, "A Fundamental Model of Mistuning for a Single Family of Modes," J. Turbomach., 124, pp. 597-605.
15. Corral, R., Gallardo, J. M., and Vasco, C., 2004, "Aeroelastic Stability of Welded-in-Pair Low Pressure Turbine Rotor Blades: A Comparative Study Using Linear Methods," ASME J. Turbomach., 129, pp. 72-83.
16. Kielb, J. 1., and Abhari, R. S., 2003, "Experimental Study of Aerodynamic and Stmctaral Damping in a Full-Scale Rotating Turbine," J. Eng. Gas Turbines Power, 125, pp. 102-112.
17. Wilkinson, J. H., 1988, The Algebraic Eigenvalue Problem, Oxford University Press, New York.
18. Feiner, D. M., and Griffin, J. H., 2004, "Misuning Identification of Bladed Disks Using Fundamental Mistuning Model - Part I: Theory," J. Turbomach., 126, pp. 150-158.
19. Kielb, R. E., Feiner, D. M., Griffin, J. H., and Miyakozawa, T., 2004, "Flutter of Mistuned Bladed Disks With Aerodynamic and FMM Structural Damping," ASME Paper No. 2004-GT-54315.