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TECHNICAL NOTES

On the Limiting Load-Carrying Capacity of Foil Bearings

[+] Author and Article Information
Z.-C. Peng

M. M. Khonsari

Department of Mechanical Engineering, Louisiana State University, Baton Rouge, LA 70803

J. Tribol 126(4), 817-818 (Nov 09, 2004) (2 pages) doi:10.1115/1.1792697 History: Received February 22, 2004; Revised May 02, 2004; Online November 09, 2004

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References

http://www.grc.nasa.gov/WWW/Oilfree/oftet
Heshmat,  H., Shapiro,  W., and Gray,  S., 1982, “Development of Foil Journal Bearings for High Load Capacity and High-speed Whirl Stability,” ASME J. Lubr. Technol., 104(2), pp. 149–156.
Heshmat,  H., Walowit,  J. A., and Pinkus,  O., 1983, “Analysis of Gas-Lubricated Foil Journal Bearings,” ASME J. Lubr. Technol., 105, pp. 647–655.
Heshmat,  H., 1994, “Advancements in the Performance of Aerodynamic Foil Journal Bearings: High Speed and Load Capacity,” ASME J. Tribol., 116, pp. 287–295.
DellaCorte,  C., and Valco,  M. J., 2000, “Load Capacity Estimation of Foil Air Journal Bearings for Oil-Free Turbo-machinery Applications,” Tribol. Trans., 43(4), pp. 795–801.
Radil,  K., Howard,  S., and Dykas,  B., 2002, “The Role of Radial Clearance on the Performance of Foil Air Bearings,” Tribol. Trans., 45(4), pp. 485–490.
Heshmat,  C. A., Xu,  D. S., and Heshmat,  H., 2000, “Analysis of Gas Lubricated Foil Thrust Bearings Using Coupled Finite Element and Finite Difference Methods,” ASME J. Tribol., 122, pp. 199–204.
Peng,  Z.-C., and Khonsari,  M. M., 2004, “Hydrodynamic Analysis of Compliant Foil Bearings With Compressible Air Flow,” ASME J. Tribol., 126, pp. 542–546.
Faria,  M. T., and San Andres,  L., 2000, “On the Numerical Modeling of High-speed Hydrodynamic Gas Bearings,” ASME J. Tribol., 122, pp. 124–130.
Heshmat,  H., Walowit,  J. A., and Pinkus,  O., 1983, “Analysis of Gas-Lubricated Compliant Thrust Bearings,” ASME J. Lubr. Technol., 105, pp. 638–646.
Harmrock, B. J., 1994, Fundamentals of Fluid Film Lubrication, McGraw-Hill, New York, NY.
Khonsari M., and Booser E., 2001, Applied Tribology, Wiley, New York, NY.

Figures

Grahic Jump Location
Comparison between numerical predictions and analytical solutions of limiting load-carrying capacity for a foil bearing and a similar-sized rigid bearing (hmin=20 μm)
Grahic Jump Location
Eccentricity ratio of a foil bearing as a function of bearing speed (hmin=20 μm)

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