Hydrodynamic Disk Braking

[+] Author and Article Information
C. Y. Wang

Departments of Mathematics and Mechanical Engineering, Michigan State University, East Lansing, Mich. 48824

J. Appl. Mech 52(2), 263-266 (Jun 01, 1985) (4 pages) doi:10.1115/1.3169038 History: Received June 01, 1983; Online July 21, 2009


A viscous fluid separates a rotating disk and a parallel nonrotating disk. As the two disks are squeezed closer together, increased viscous torque is transmitted to the rotating disk. The Navier-Stokes equations are solved using a perturbation in the small squeeze number. Two cases of squeezing are studied: constant velocity approach and constant force approach.

Copyright © 1985 by ASME
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