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TECHNICAL PAPERS

On the Numerical Modeling of High-Speed Hydrodynamic Gas Bearings

[+] Author and Article Information
Marco Tulio C. Faria

Federal University of Minas Gerais, Department of Mechanical Engineering, Belo Horizonte, MG, Brazil 31270-901

Luis San Andrés

Texas A&M University, Department of Mechanical Engineering, College Station, Texas 77843-3123

J. Tribol 122(1), 124-130 (Mar 08, 1999) (7 pages) doi:10.1115/1.555335 History: Received October 06, 1998; Revised March 08, 1999
Copyright © 2000 by ASME
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References

Figures

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Schematic views of (a) a plane slider bearing and (b) a Rayleigh step bearing
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Dimensionless pressure computed by the “exact” Galerkin scheme and the Galerkin scheme for three film thickness ratios at Λ=1000
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Dimensionless load capacity (per unit width) of plane slider bearings
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Comparative results for dimensionless load capacity of plane slider bearings
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Computational efficiency of the “exact” Galerkin and Petrov-Galerkin schemes for a plane slider bearing (h1/h2=3)
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Comparison of results obtained for dimensionless static stiffness in Rayleigh step bearings (L1/L2=1)
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Computational efficiency of the “exact” Galerkin and Petrov-Galerkin schemes for a Rayleigh step bearing (h1/h2=2;L1/L2=1)
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Dimensionless pressure distribution in a Rayleigh step bearing (h1/h2=2;L1/L2=1)
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Dimensionless frequency dependent force coefficients (a) stiffness, K̄z and (b) damping, C̄z for a Rayleigh step bearing (h1/h2=2;L1/L2=1)

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