A Semi-Analytical Solution to the Dynamic Tracking of Non-contacting Gas Face Seals

[+] Author and Article Information
Bo Ruan

Mechanical Seal Division, A. W. Chesterton Company, Groveland, MA 01834

J. Tribol 124(1), 196-202 (Jun 13, 2001) (7 pages) doi:10.1115/1.1398292 History: Received January 17, 2001; Revised June 13, 2001
Copyright © 2002 by ASME
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(a) Schematic cross section of a spiral groove face seal with rotor misalignment; and (b) spiral groove geometry
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(a) Variation of axial and angular gas film stiffness coefficients with frequency; and (b) variation of axial and angular gas film damping coefficients with frequency.
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Comparison with Manoloski and Pan 2, variation of axial stiffness and damping coefficients with frequency for a spiral groove thrust bearing
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Comparison between semi-analytical solution and full numerical simulation: (a) rotor axial motion, z/Arz; (b) Rotor Angular Motion about x axis, αx/Ar; and (c) Rotor Angular Motion about y axis, αy/Ar




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