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TECHNICAL PAPERS

Instability Boundary for Rotor-Hydrodynamic Bearing Systems, Part 1: Jeffcott Rotor With External Damping

[+] Author and Article Information
Zenglin Guo, R. Gordon Kirk

Mechanical Engineering Department, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061

J. Vib. Acoust 125(4), 417-422 (Oct 08, 2003) (6 pages) doi:10.1115/1.1547466 History: Received November 01, 2001; Revised October 01, 2002; Online October 08, 2003
Copyright © 2003 by ASME
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References

Rankine,  W. A., 1869, “On the Centrifugal Force of Rotating Shafts,” Engineer, 27, pp. 249–256.
Jeffcott,  H. H., 1919, “The Lateral Vibration of Loaded Shafts in the Neighborhood of a Whirling Speed-The Effect of Want of Balance,” Philos. Mag., 37, pp. 304–314.
Newkirk,  B. L., and Taylor,  H. D., 1925, “Shaft Whipping Due to Oil Action in Journal Bearings,” Gen. Electr. Rev., 28, pp. 559–568.
Hagg,  A. C., 1946, “The Influence of Oil-Film Journal Bearings on the Stability of Rotating Machines,” ASME J. Appl. Mech., 68, pp. 211–220.
Poritsky,  H., 1953, “Contribution to the Theory of Oil Whip,” Trans. ASME, 75, pp. 1153–1161.
Pinkus,  O., 1956, “Experimental Investigation of Resonant Whip,” Trans. ASME, 78, pp. 975–983.
Lund,  J. W., and Sternlicht,  B., 1962, “Rotor Bearing Dynamics with Emphasis on Attenuation,” ASME J. Basic Eng., 84, pp. 491–502.
Gunter, E. J., 1966, “Dynamic Stability of Rotor-Bearing Systems,” NASA SP-113.
Kirk, R. G., 1972, “Nonlinear Transient Analysis of Multi-Mass Flexible Rotors,” Ph.D. Thesis, University of Virginia, Charlottesville, VA.
Elrod,  H. G., and Vijayaraghavan,  D., 1994, “A Stability Analysis for Liquid-Lubricated Bearings Incorporating the Effects of Cavity Flow, Part I: Classical One-Dimensional Journal Bearing,” ASME J. Tribol., 116, pp. 330–336.
Elrod,  H. G., and Vijayaraghavan,  D., 1995, “A Stability Analysis for Liquid-Lubricated Bearings Incorporating the Effects of Cavity Flow, Part II: Journal Bearing with Central Groove,” ASME J. Tribol., 117, pp. 365–367.
Crandall, S. H., 1995, “The Instability Mechanism Responsible for Oil Whirl and Oil Whip,” Proc. 4th Greek National Congress on Mechanics, Democritus University of Thrace, Xanthi, pp. 659–672.
Crandall, S. H., 1996, “Velocity Linearization of the Dynamic Response of Fluid-Film Bearings,” Proc. EUROMECH-2nd European Nonlinear Oscillation Conference, Prague, September 9–13.
Horattas, G. A., Adams, M. L., and Abdel Magied, M. F., et al., 1997, “Experimental Investigation of Dynamic Nonlinearities in Rotating Machinery,” Proc. ASME DETC’97, Sacramento, California, September 14–17.
Guo, Z. L., 1997, “Study on External Elastic Damping Support for Bearing-Rotor System,” Ph.D. Thesis, Xi’an Jiaotong University, Xi’an, China.

Figures

Grahic Jump Location
Schematic diagram of rotor system with external damping
Grahic Jump Location
System damping vs. speed
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Horizontal system stability map
Grahic Jump Location
System damping vs. speed of the extended Jeffcott rotor (mj/m=0.1)
Grahic Jump Location
System damping vs. speed of the extended Jeffcott rotor (mj/m=0.3)
Grahic Jump Location
System stability map of the extended Jeffcott rotor

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