Theoretical Investigation of Unsteady Squeeze Flow in a Curved Newtonian Squeeze Film

[+] Author and Article Information
R. Usha, P. Vimala

Department of Mathematics, Indian Institute of Technology, Madras, Chennai-600 036, India

J. Tribol 124(4), 865-869 (Sep 24, 2002) (5 pages) doi:10.1115/1.1467641 History: Received March 26, 2000; Revised January 22, 2002; Online September 24, 2002
Copyright © 2002 by ASME
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Curved squeeze film geometry
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Dimensionless normal force on the curved disk-sinusoidal motion, H(r,t)=h(t)f(r);c̄>0: concave; c̄<0: convex
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Dimensionless normal force-sinusoidal motion—a comparison for the case of a flat upper surface
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Squeeze film force variation for sinusoidal motion –⋅– Hashimoto and Wada 2; Newtonian case.
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Central film thickness variation for constant force squeezing state. (a), (b)—concave disk; (c), (d)—convex disk.




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