Measured force/current relations in solid magnetic thrust bearings

Journal of Engineering for Gas Turbines and Power

Volumn 119, Issue 1, 1997, Pages 137-142

  Wakefield, W C ^b   Fittro, R L ^a   Maslen, E H ^a  

^a UNIVERSITY OF VIRGINIA   (United States)

^b Proctor and Gamble   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0005105986     PISSN: 07424795     EISSN: 15288919     Source Type: Journal    
DOI: 10.1115/1.2815537     Document Type: Article

References (21)

1. Allaire, P. E., 1989, “Design and Test of a Magnetic Thrust Bearing,” Journal of the Franklin Institute, Vol. 326, No. 6, Dec.
2. Allaire, P., Imlach, J., McDonald, J., Humphris, R., Lewis, D., Blair, B., Clay-don, J., and Flack R., 1989, “Design, Construction, and Test of a Magnetic Bearing in an Industrial Canned Motor Pump,” Proc. Texas A&M Pump Symposium, Houston, TX, May.
3. Allaire, P. E., Maslen, E. H., Humphris, R. R., Knospe, C. R., and Lewis, D. W., 1994a, “Magnetic Bearings,” Handbook of Lubrication and Tribology, Vol. III, CRC Press, pp. 577-600.
4. Allaire, P. E., Fittro, R. L., Maslen, E. H., and Wakefield, W. C., 1994b, “Cur-rent/Force Relations in Solid Magnetic Bearings,” Proc. REVOLVE’94, Calgary, Alberta, June 7-9.
5. Allaire, P. E., Maslen, E. H., Lewis, D. W., and Flack, R. D., 1997, “Magnetic Thrust Bearing Operation and Industrial Pump Application,” ASME Journal of Engineering for Gas Turbines and Power, Vol. 119 this issue, pp. 168-173.
6. Binns, K. J., Lawrenson, P. J., and Trowbridge, C. W., 1985, The Analytical and Numerical Solution of Electric and Magnetic Fields, Wiley, New York.
7. Feng, T., Neumer, T., Nordman, R., Verhoeven, J., and De Vis, D., 1992, “Identification of Fluid/Structure Interactions in Centrifugal Pumps,” presented at the Fifth International Conference on Vibrations in Rotating Machinery, Bath, England, Sept. 7-10.
8. Flack, R. D., and Allaire, P. E., 1984, “Lateral Forces on Pump Impellers: A Literature Review,” Shock and Vibration Digest, Vol. 16, No. 1, pp. 5-14.
9. Hawkins, L. A., Murphy, B. T., and Lang, K. W., 1991, “The Rocketdyne Multifunction Tester: Operation of a Radial Magnetic Bearing as an Excitation Source,” Proc. ROMAG '91, Magnetic Bearings and Dry Gas Seals International Conference, University of Virginia, Mar. 13-15, pp. 1-13.
10. Hawkins, L. A., and Imlach, J., 1993, “Development of Experimental Method for Measurement of Magnetic Bearing Transfer Function Characteristics,” Proc. MAG '93, Magnetic Bearings, Magnetic Drives, and Dry Gas Seals Conference & Exhibition, July, Technomics Publishing Co., pp. 188-197.
11. Humphris, R. R., 1992, “A Device for Generating Diagnostic Information for Rotating Machinery,” Proc. MAG '92, Magnetic Bearings, Magnetic Drives, and Dry Gas Seals Conference & Exhibition, July, Technomics Publishing Co., pp. 123-135. '
12. Imlach, J., Blair, B. J., and Allaire, P. E., 1991, “Measured and Predicted Force and Stiffness Characteristics of Industrial Magnetic Bearings,” ASME Journal of Tribology, Vol. 113, pp. 784-788.
13. Jery, B., Brennan, C. E., Caughey, T. E., and Acosta, A. J., 1985, “Forces in Centrifugal Pump Impellers,” Proc. Second International Pump Symposium, Texas A&M University, pp. 21-29.
14. Keith, F. J., 1993, “Implicit Flux Feedback Control for Magnetic Bearings,” Ph.D. Thesis, University of Virginia, June.
15. Lashley, C. M., Ries, D. M., Zmood, R. B., Kirk, J. A., and Anand, D. K., 1989, “Dynamics Considerations for a Magnetically Suspended Flywheel,” Proc. 24th IECEC.
16. Ulbrich, H., 1988, “New Test Techniques Using Magnetic Bearings,” Proc. First International Conference on Magnetic Bearings, June, Spri'nger-Verlag, pp. 281-289.
17. Verhoeven, J. J., De Vis, D., and Nordman, R., 1993, “Development and Operating Experience of a 5000 kW Test Boilerfeed Pump on Active Magnetic Bearings,” Proc. Mechanical Engineers, C439/004.
18. Wagner, N. G., and Pietruszka, W. D., 1988, “Identification of Rotor Dynamic Parameters on a Test Stand With Active Magnetic Bearings,” Proc. First International Conference on Magnetic Bearings, June, Springer-Verlag, pp. 289-302.
19. Wakefield, W. C., 1994, “Magnetic Bearings/Load Cells for a Centrifugal Pump: Design Construction and Testing,” M. S. Thesis, University of Virginia.
20. Williams, M. E., and Trumper, D. L., 1993, “Materials for Efficient High-Flux Magnetic Bearing Actuators,” NASA Conference on Magnetic Suspension, Seattle, WA, Aug.
21. Zmood, R. B., Anand, D. K., and Kirk, J. A., 1987, “The Influence of Eddy Currents on Magnetic Actuator Performance,” Proc. IEEE, Vol. 75, No. 2, Feb.