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TECHNICAL BRIEFS

Simulations of Air Slider Bearings With Realistic Gas-Surface Scattering

[+] Author and Article Information
T. E. Wenski

Research and Development Division Lightwave Electronics, Mountain View, CA 95112

T. Olson

Department of Physics, University of California, Santa Cruz, Santa Cruz, CA 95064

C. T. Rettner

IBM Research Division, Almaden Research Center, San Jose, CA 95112

Alejandro L. Garcia

Center for Computational Sciences and Engineering, Lawrence Berkeley National Laboratory, Berkeley, CA

J. Tribol 120(3), 639-641 (Jul 01, 1998) (3 pages) doi:10.1115/1.2834599 History: Received September 20, 1997; Revised February 09, 1998; Online January 30, 2008

Abstract

We have calculated the pressure distribution for an infinitely wide plane slider air bearing by using a particle-based direct simulation Monte Carlo method. These simulations include a sophisticated gas-surface scattering model and take measured accommodation coefficients as inputs. Our results are in good agreement with the molecular gas lubrication theory of Fukui and Kaneko for both glass and disk-drive surfaces.

Copyright © 1998 by The American Society of Mechanical Engineers
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