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TECHNICAL PAPERS

Numerical Study of a Rotary Lip Seal With a Quasi-Random Sealing Surface

[+] Author and Article Information
Fanghui Shi, Richard F. Salant

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

J. Tribol 123(3), 517-524 (Jul 06, 2000) (8 pages) doi:10.1115/1.1308028 History: Received February 07, 2000; Revised July 06, 2000
Copyright © 2001 by ASME
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References

Figures

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Schematic of sealing zone
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Reverse pumping rate versus speed
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Friction coefficient versus speed
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Average film thickness versus speed
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Contact area ratio versus speed
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Cavitation area ratio versus speed
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Contact force ratio versus speed
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Roughness ratio versus speed
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Effect of shear deformation on reverse pumping rate
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(a) Lip surface profiles with, and without, shear deformation; (b) mean plane profiles with, and without, shear deformation
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(a) Reverse pumping rate versus boundary pressure and tilting number, Λ=1000; (b) density versus boundary pressure and tilting number, Λ=1000
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(a) Reverse pumping rate versus speed and tilting number, p0=1.0; (b) density versus speed and tilting number, p0=1.0
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(a) Reverse pumping rate versus boundary pressure and speed, k=20; (b) density versus boundary pressure and speed, k=20
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(a) Pressure distribution without cavitation, Λ=100,p0=1.0,k=20; (b) pressure distribution with cavitation, Λ=100, p0=1.0,k=20
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Effect of interference on reverse pumping rate
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Effect of interference on friction coefficient
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Effect of interference on average film thickness and roughness ratio
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Effect of undeformed roughness height on reverse pumping rate
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Effect of undeformed roughness height on friction coefficient
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Effect of undeformed roughness height on average film thickness and roughness ratio
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Effect of sealed pressure on reverse pumping rate

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