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TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

Estimation of Distributed Unbalance of Rotors

[+] Author and Article Information
T. Yang, C. Lin

Department of Mechanical Engineering, Yuan Ze University, Neili, Taoyuan, Taiwan

J. Eng. Gas Turbines Power 124(4), 976-983 (Sep 24, 2002) (8 pages) doi:10.1115/1.1479336 History: Received December 01, 2000; Revised March 01, 2001; Online September 24, 2002
Copyright © 2002 by ASME
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References

Darlow, M. S., 1989, Balancing of High-Speed Machinery, Springer-Verlag, New York.
Bishop,  R. E. D., and Parkinson,  A. G., 1972, “On the Use of Balancing Machines for Flexible Rotors,” ASME J. Eng. Ind., 94, pp. 561–576.
Kellenberger,  W., 1972, “Should a Flexible Rotor be Balanced in N or (N+2) planes?” ASME J. Eng. Ind., 94(2), pp. 548–560.
Saito,  S., and Azawa,  T., 1983, “Balancing of Flexible Rotors by the Complex Modal Method,” ASME J. Vib., Acoust., Stress, Reliab. Des., 105, pp. 94–100.
Goodman,  T. P., 1964, “A Least-Square Method for Computing Balance Corrections,” ASME J. Eng. Ind., 86, pp. 273–279.
Lund,  J. W., and Tonnesen,  J., 1972, “Analysis and Experiments on Muti-plane Balancing of a Flexible Rotor,” ASME J. Eng. Ind., 94, pp. 233–242.
Tessarzik,  J. M., Badgley,  R. H., and Anderson,  W. J., 1972, “Flexible Rotor Balancing by the Exact Point-Speed Influence Coefficient Method,” ASME J. Eng. Ind., 94, pp. 148–158.
Darlow,  M. S., Smalley,  A. J., and Parkinson,  A. G., 1981, “Demonstration of a Unified Approach to the Balancing of Flexible Rotors,” ASME J. Eng. Power, 103, pp. 101–107.
Parkinson,  A. G., Darlow,  M. S., and Smalley,  A. J., 1980, “A Theoretical Introduction to the Development of a Unifed Approach to Flexible Rotor Balancing,” J. Sound Vib., 68(4), pp. 489–506.
Little,  R. M., and Pilkey,  W. D., 1976, “A Linear Programming Approach for Balancing Flexible Rotors,” ASME J. Eng. Ind., 98, pp. 1030–1035.
Lee,  A. C., Shih,  Y. P., and Kang,  Y., 1993, “The Analysis of Linear Rotor-Bearing Systems: A General Transfer Matrix Method,” ASME J. Vibr. Acoust., 115, pp. 490–497.
Lee,  A. C., and Shin,  Y. P., 1997, “Identification of The Unbalance Distribution in Flexible Rotors,” Int. J. Mech. Sci., 39, pp. 841–857.
Nelson,  H. D., 1980, “A Finite Rotating Shaft Element Using Timoshenko Beam Theory,” ASME J. Mech. Des., 102, pp. 793–803.
Lin, C., 1999, “Identification of Distributed Unbalance on Bent Rotors,” Master thesis, Department of Mechanical Engineering, Yuan Ze University, Taiwan.
Nelson,  H. D., and McVaugh,  J. M., 1976, “The Dynamics of Rotor-Bearing Systems Using Finite Elements,” ASME J. Eng. Ind., 98, pp. 593–600.
Leon, S. J., Linear Algebra With Application 4th, Prentice-Hall, Englewood Cliffs, NJ.
Hasan,  W. M., and Viola,  E., 1997, “Use of The Singular Value Decomposition Method To Detect Ill-Conditioning of Structural Identification Problems,” Comput. Struct., 63(2), pp. 267–275.

Figures

Grahic Jump Location
Coordinate systems of the rotor-bearing system
Grahic Jump Location
Eccentricity of a shaft cross section
Grahic Jump Location
Global and local coordinates
Grahic Jump Location
Rotor model and four elements in finite element modeling
Grahic Jump Location
xz(yz) projection of eccentricity
Grahic Jump Location
Rotor model and 20 elements in finite element modeling

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