On the control of synchronous vibration in rotor/magnetic bearing systems involving auxiliary bearing contact

Journal of Engineering for Gas Turbines and Power

Volumn 126, Issue 2, 2004, Pages 366-372

  Keogh, P S ^a   Cole, M O T ^a   Sahinkaya, M N ^a   Burrows, C R ^a  

^a University of Bath   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

AUXILIARY EQUIPMENT; MAGNETIC BEARINGS; ROTORS; STATORS; SYNCHRONOUS GENERATORS; VIBRATORS;

ABNORMAL CONDITIONS; AUXILIARY DESIGN PARAMETERS; CONTACTS; LINEARLY STABLE MOTOR;

GAS TURBINES;

CONTACT; CONTROL METHOD; MAGNETIC BEARING; ROTOR-STATOR INTERACTION; VIBRATION;

EID: 13644269381     PISSN: 07424795     EISSN: None     Source Type: Journal    
DOI: 10.1115/1.1689362     Document Type: Article

References (18)

1. Heshmat, H., 1991, "Analysis of Compliant Foil Bearings with Spatially Variable Stiffness." AIAA Paper No. AIAA-91-2103.
2. Chen, H. M., Walton, J., and Heshmat, H., 1997, "Zero Clearance Auxiliary Bearings for Magnetic Bearing Systems," ASME TURBO EXPO 97, Orlando, FL.
3. Johnson, D. C., 1962, "Synchronous Whirl of a Vertical Shaft Having Clearance in One Bearing," J. Mech. Eng. Sci., 4(1), p. 85.
4. Black, H. F., 1968, "Interaction of a Whirling Rotor With a Vibrating Stator Across a Clearance Annulus," J. Mech. Eng. Sci., 10(1), pp. 1-12.
5. Childs, D. W., 1979, "Rub Induced Parametric Excitation in Rotors," ASME J. Mech. Des., 10. pp. 640-644.
6. Muszynska, A., 1984, "Partial Lateral Rotor to Stator Rubs," Paper C281/84. Proceedings, 3rd International Conference on Vibrations in Rotating Machinery, University of York, York, U.K., IMechE, London, pp. 327-335.
7. Ehrich, F. F., 1988, "High Order Subharmonic Response of High Speed Rotors in Bearing Clearance," ASME J. Vib., Acoust., Stress, Reliab. Des., 110. pp. 9-16.
8. Kim, Y. B., and Noah, S. T., 1990, "Bifurcation Analysis for a Modified Jeffcott Rotor With Bearing Clearances," Nonlinear Dyn., 1, pp. 221-241.
9. Wang, X., and Noah, S. T., 1998, "Nonlinear Dynamics of a Magnetically Supported Rotor on Safety Auxiliary Bearings," ASME J. Vibr. Acoust., 120, pp. 596-606.
10. Gonsalves, D. H., Neilson, R. D., and Barr, A. D. S., 1995, "A Study of the Response of a Discontinuously Nonlinear Rotor System," Nonlinear Dyn., 7, pp. 451-470.
11. Fumagalli, M., Varadi, P., and Schweitzer, G., 1994, "Impact Dynamics of High Speed Rotors in Retainer Bearings and Measurement Concepts," Proceedings, 4th International Symposium on Magnetic Bearings, ETH Zurich, Zurich, Switzerland, pp. 239-244.
12. Fumagalli, M., and Schweitzer, G., 1996, "Measurements on a Rotor Contacting Its Housing," Paper C500/085/96, Proceedings. 6th International Conference on Vibrations in Rotating Machinery, University of Oxford, Oxford, U.K., IMechE, London, pp. 779-788.
13. Kirk, R. G., Swanson, E. E., Kavarana, F. H., and Wang, X., 1994, "Rotor Drop Test Stand for AMB Rotating Machinery, Part 1: Description of Test Stand and Initial Results," Proceedings, 4th International Symposium on Magnetic Bearings, ETH Zurich, Zurich, Switzerland, pp. 207-212.
14. Kirk, R.G., 1999. "Evaluation of AMB Turbomachinery Auxiliary Bearings," ASME J. Vibr. Acoust., 121, pp. 156-161.
15. Schmied, J., and Pradetto, J. C., 1992, "Behavior of a One Ton Rotor Being Dropped into Auxiliary Bearings," Proceedings, 3rd International Symposium on Magnetic Bearings, Alexandria, VA, Technomic Publishing, Lancaster, PA, pp. 145-156.
16. Lawen, J. L., and Flowers, G. T., 1997, "Synchronous Dynamics of a Coupled Shaft/Bearing/Housing System With Auxiliary Support from a Clearance Bearing," ASME J. Eng. Gas Turbines Power, 119, pp. 430-435.
17. Lawen, J. L., and Flowers, G. T., 1999, "Interaction Dynamics Between a Flexible Rotor and an Auxiliary Clearance Bearing," ASME J. Vibr. Acoust., 121, pp. 183-189.
18. Xie, H., Flowers, G. T., Feng, L., and Lawrence, C., 1999, "Steady-State Dynamic Behavior of a Flexible Rotor With Auxiliary Support from a Clearance Bearing," ASME J. Vibr. Acoust., 121, pp. 78-83.