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TECHNICAL PAPERS

Mathematical Analysis of the Entrapment of Solid Spherical Particles in Non-Conformal Contacts

[+] Author and Article Information
George K. Nikas

Tribology Section, Mechanical Engineering Department, Imperial College of Science, Technology and Medicine, Exhibition Road, London SW7 2BX, England

J. Tribol 123(1), 83-93 (Jun 29, 2000) (11 pages) doi:10.1115/1.1314605 History: Received November 02, 1999; Revised June 29, 2000
Copyright © 2001 by ASME
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References

Figures

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Non-conforming line contact model, particle, and force notation
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x-components of forces on a particle (line contact)
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Example of fluid and contact forces on a particle (line contact)
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Maximum particle diameter for entrapment (applicable only when both counterfaces are moving in the same direction (Fig. 1) and the particle stays at equilibrium)
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Maximum particle diameter for entrapment (applicable only when the frictional forces point to opposite directions; namely: one counterface stationary, or the counterfaces moving in opposite directions, or immediately after a particle is pinched and u1≠u2)
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Operation of the entrapment criterion (Section 2.2) for a line contact
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Point contact of a ball on a flat, particle, and force notation
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Contour map of film thickness in a point contact and line of particle entrapment (example of Section 3.1)

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