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TECHNICAL PAPERS

Application of Lund’s Stability Analysis Program in Design of Modern Turbomachinery

[+] Author and Article Information
Pranabesh De Choudhury

Elliott Company, Jeannette, PA 15644-1473

J. Vib. Acoust 125(4), 471-476 (Oct 08, 2003) (6 pages) doi:10.1115/1.1605991 History: Received June 01, 2003; Online October 08, 2003
Copyright © 2003 by ASME
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References

Poritsky,  H., 1953, “Contribution to the Theory of Oil Whip,” Trans. ASME, 75, August, pp. 1153–1161.
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Hori,  Y., 1959, “A Theory of Oil Whip,” ASME J. Appl. Mech., 81, June, pp. 189–198.
Rankine, W. A., 1869, “On the Centrifugal Forces of Rotating Shafts,” Engineer, London, 27 .
Newkirk, B. L., and Taylor, H. D., 1925, “Shaft Whipping Due to Oil Action in Journal Bearings,” General Electric Review, August, pp. 559–568.
Hagg,  A. C., and Warner,  P. C., 1953, “Oil Whip of Flexible Rotors,” Trans. ASME, 75, pp. 1339–1344, ASME Paper No. 52-A-162.
Newkirk,  B. L., and Lewis,  J. F., 1956, “Oil-Film Whirl-An Investigation of Disturbances due to Oil Films in Journal Bearings,” Trans. ASME, 78, pp. 21–27.
Boeker,  G. F., and Sternlicht,  B., 1956, “Investigation of Translatory Fluid Whirl in Vertical Machines,” Trans. ASME, 78, January, pp. 13–19.
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Sternlicht, B., 1962, “Stability and Dynamics of Rotors Supported on Fluid Film Bearings,” ASME Paper No. 62-WA-190.
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Gunter E. J., Jr., 1966, Dynamic Stability of Rotor-Bearing Systems, NASA SP-113.
Kirk, R. G., 1969, “Transient Journal Bearing Analysis,” Master’s Thesis, Department of Mechanical Engineering, University of Virginia, June.
De Choudhury, P., and Gunter, E. J., Jr., 1970, “Dynamic Stability of Flexible Rotor-Bearing Systems,” Report No. ME-4040-104-70U, University of Virginia, Charlottesville, December.
Poritsky, H., 1965, “Rotor-Bearing Dynamics Design Technology, Part II: Rotor Stability Theory,” Technical report AFAPL-TR-65-45.
Lund,  J. W., 1974, “Stability and Damped Critical Speeds of a Flexible Rotor in Fluid Film Bearings,” ASME J. Ind., 96(2), pp. 509–517.
Prohl,  M. A., 1945, “A General Method for Calculating Critical Speeds of Flexible Rotors,” ASME J. Appl. Mech., 67, pp. A142–A148, September.
Barrett, Lloyd E., 1995, “Rotating Machinery,” Shock and Vibration Computer Programs, Walter and Barbara Pilkey, eds., The Shock and Vibration Information Analysis Center, pp. 359.
Kirk,  R. G., and Miller,  W. H., 1979, “The Influence of High Pressure Oil Seals on Turbo-Rotor Stability,” ASLE Trans., 22(1), pp. 14–24.
Pettinato, B., and De Choudhury, P., 2001, “Rotordynamic and Bearing Upgrade of a High-Speed Turbocharger,” Proceedings of ASME TURBO EXPO 2001, June 4–7, New Orleans, Lousiana.
Lund, J. W., 1968, “Rotor-Bearing Dynamics Design Technology, Part VII: The Three Lobe Bearing and Floating Ring Bearing” Technical Report AFAPL-TR-65-45, PART VII, Air Force Aero Propulsion Laboratory, Wright-Patterson Air Force Base, Ohio, February.
Li, Jiming, Kushner, F. K., and De Choudhury, P., 2000, “Gas Damper Seal Test Results, Theoretical Correlation, and Application in Design of High-Pressure Compressors,” Proceedings of the 29th Turbomachinery Symposium, September, pp. 55–64.
Bansal,  P. N., and Kirk,  R. G., 1975, “Stability and Damped Critical Speeds of a Flexible Rotor in Fluid Film Bearings,” ASME J. Ind., Series B, 97(4), pp. 1325–1332.
Ramesh, K., and Kirk, R. G., 1993, “Stability and Response of Rotors Supported on Active Magnetic Bearings,” Proceedings of the 14th ASME Vibrations and Noise Conference, DE-60, Vibrations of Rotating Systems, pp. 289–296.

Figures

Grahic Jump Location
Compressor aero sensitivity
Grahic Jump Location
Bearing principal stiffness
Grahic Jump Location
Bearing cross-coupled stiffness
Grahic Jump Location
Bearing principal damping
Grahic Jump Location
Cascade diagram, original turbocharger with 3-axial-groove journal bearings, 17 lpm, nominal inlet viscosity
Grahic Jump Location
Cascade diagram, modified turbocharger with 3-lobe- journal bearings, 30 lpm, nominal inlet viscosity
Grahic Jump Location
Compressor sensitivity to aero cross-ccoupling

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