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TECHNICAL PAPERS

Semi-Analytical Dynamic Analysis of Spiral-Grooved Mechanical Gas Face Seals

[+] Author and Article Information
Brad A. Miller

Department of Mechanical and Aerospace Engineering and Engineering Mechanics, University of Missouri-Rolla, 1870 Miner Circle, Rolla, MO 65409-0050

Itzhak Green

George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

J. Tribol 125(2), 403-413 (Mar 19, 2003) (11 pages) doi:10.1115/1.1510876 History: Received April 16, 2002; Revised July 25, 2002; Online March 19, 2003
Copyright © 2003 by ASME
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References

Figures

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Schematic of a mechanical face seal in a flexibly mounted stator configuration
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Mechanical face seal kinematic model and spiral groove geometry profile
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Step responses computed by numerical solution and the approximate constitutive model; (a) Direct axial step responses; (b) Direct tilt step responses; and (c) Cross-coupled tilt step responses.
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Frequency responses computed by numerical solution and the approximate constitutive model; (a) Direct axial frequency responses; (b) Direct tilt frequency responses; and (c) Cross-coupled tilt frequency responses.
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Stator axial and tilt responses to initial velocity conditions computed by numerical simulation and the gas film correspondence principle (Ω=2094.4 rad/s)
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Stator tilt response to rotor runout alone computed by numerical simulation (Ω=2094.4 rad/s)
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X and Y components of stator tilt response to initial stator misalignment alone computed by numerical simulation (Ω=2094.4 rad/s)
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Tilt vector diagram showing the relationship among the stator tilt responses
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Stator tilt response to rotor runout and initial stator misalignment computed by numerical simulation (Ω=2094.4 rad/s)
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Relative tilt response to rotor runout and initial stator misalignment computed by numerical simulation (Ω=2094.4 rad/s)
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Stator tilt response to initial velocity conditions near stability threshold computed by numerical simulation (Ω=2094.4 rad/s)

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