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TECHNICAL PAPERS

Reverse Flow as a Possible Mechanism for Cavitation Pressure Build-up in a Submerged Journal Bearing

[+] Author and Article Information
M. Groper, I. Etsion

Dept. of Mechanical Engineering, Technion, Haifa 32000, Israel

J. Tribol 124(2), 320-326 (Jul 03, 2001) (7 pages) doi:10.1115/1.1402130 History: Received December 22, 2000; Revised July 03, 2001
Copyright © 2002 by ASME
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References

Groper,  M., and Etsion,  I., 2001, “The Effect of Shear Flow and Dissolved Gas Diffusion on the Cavitation in a Submerged Journal Bearing,” ASME J. of Tribol., 123, pp. 494–500.
Etsion,  I., and Ludwig,  L. P., 1982, “Observation of Pressure Variation in the Cavitation Region of Submerged Journal Bearings,” ASME J. Lubr. Technol., 104, pp. 157–163.
Braun,  M. J., and Hendricks,  R. C., 1984, “An Experimental Investigation of the Vaporous/Gaseous Cavity Characteristics of an Eccentric Journal Bearing,” STLE Tribol. Trans., 27, No. 1, pp. 1–14.
Heshmat,  H., and Pinkus,  O., 1985, “Performance of Starved Journal Bearings With Oil Ring Lubrication,” ASME J. Tribol., 107, pp. 23–32.
Knapp, R. T., Daily, J. W., and Hammit, F. G., 1970, Cavitation, McGraw-Hill, New-York.
Brennen, C. E., 1995, Cavitation and Bubble Dynamics, Oxford University Press, New York.
Coyne,  J. C., and Elrod,  H. G., 1971, “Conditions for the Rupture of a Lubricating Film, Part 2: New Boundary Conditions for Reynolds’ Equation,” ASME J. Lubr. Technol., 93, pp. 156–167.
Pan,  C. H. T., 1980, “An Improved Short Bearing Analysis for the Submerged Operation of Plain Journal Bearings and Squeeze-Film Dampers,” ASME J. Lubr. Technol., 102, pp. 320–332.
Yih,  C. S., 1967, “Stability of Parallel Laminar Flow With a Free Surface,” J. Fluid Mech., 27, pp. 337–352.
Hooper,  A. P., and Grimshaw,  R., 1985, “Nonlinear Instability at the Interface Between Two Viscous Fluids,” Phys. Fluids, 28, No. 1, pp. 37–45.
Oron,  A, and Rosenau,  P., 1989, “Nonlinear Evolution and Breaking of Interfacial, Rayleigh-Taylon Waves,” Phys. Fluids A, A1, pp. 1155–1165.

Figures

Grahic Jump Location
Submerged journal bearing configuration
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Penetration of the reentrant jet into a fixed cavity (schematic) (Ref. 5)
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Model for the reverse flow in the film reformation region
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The forces acting on a control volume in the reverse flow
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Boundary of the cavity—schematic description
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The reverse flow and the gas layer thickness
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Predicted versus measured (Ref. 2) cavity pressure field at the bearing center

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