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TECHNICAL PAPERS

Numerical Analysis of Dynamic Coefficients for Gas Film Face Seals

[+] Author and Article Information
Yuchuan Liu

State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China

Xinmin Shen

School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

Wanfu Xu

Lubrication Technology Research Center, Shenyang Institute of Technology, Shenyang 110015, China

J. Tribol 124(4), 743-754 (Sep 24, 2002) (12 pages) doi:10.1115/1.1472459 History: Received June 13, 2001; Revised February 12, 2002; Online September 24, 2002
Copyright © 2002 by ASME
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References

Figures

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Scheme of mesh dividing and node numbering for one pair of groove and land
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Comparison with MTI’s results for externally pressurized annular gas thrust bearing
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Comparison with available numerical results for spiral groove gas thrust bearings
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Comparison with the results of Malanoski and Pan and Zirkelback and San Andres (a) dimensionless load and static axial stiffness versus compressibility number; (b) dimensionless dynamic axial stiffness versus frequency number for various compressibility numbers; and (c) dimensionless dynamic axial damping versus frequency number for various compressibility numbers.
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Comparison with the results of Galetuse and Constantinescu: (a) Critical mass versus compressibility number; and (b) critical frequency ratio versus compressibility number
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18 dynamic coefficients versus compressibility number Λ with γcr=0.5: (a) Nine stiffness coefficients; and (b) nine damping coefficients
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18 dynamic coefficients versus critical frequency ratio γcr with Λ=100: (a) Nine stiffness coefficients; and (b) nine damping coefficients

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