Modal and Nodal EHD Analysis for Gas Journal Bearings

[+] Author and Article Information
S. Boedo

Department of Mechanical Engineering, Rochester Institute of Technology, Rochester, NY 14623

J. F. Booker

School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14853

J. Tribol 127(2), 306-314 (Apr 07, 2005) (9 pages) doi:10.1115/1.1828455 History: Received February 24, 2004; Revised July 26, 2004; Online April 07, 2005
Copyright © 2005 by ASME
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Grahic Jump Location
Application: compliant microbearing designs
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Half-model surface and film mesh geometry: sample meshes (dimensions in micrometers)
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Effect of mesh density: rigid surfaces (Case 2)
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Comparison of node- and mode-based solutions: film pressure (Case 3)
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Comparison of node- and mode-based solutions: film thickness (Case 3)
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Midplane spatial distributions (Case 4) (o=spiral supports, x=straight supports)
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Displacement ramp duty cycle (Case 6)
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Bearing performance: ramp response (Case 6)
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Bearing performance: periodic response (Case 7)



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