Approximate Analysis of Turbulent Hybrid Bearings. Static and Dynamic Performance for Centered Operation

[+] Author and Article Information
Luis San Andrés

Mechanical Engineering Department, Texas A&M University, College Station, Texas 77843

J. Tribol 112(4), 692-698 (Oct 01, 1990) (7 pages) doi:10.1115/1.2920317 History: Received October 19, 1989; Revised May 13, 1990; Online June 05, 2008


An analytical study for the flow and dynamic force response in turbulent hybrid journal bearings is presented. Fluid inertia effects at the recess edges and film lands are included. For small amplitude motions about the centered position, the equations for the flow on the film lands and recesses are solved in close form by invoking the thin-land assumption. Predictions from the present simplified analytical theory agree well with full numerical predictions. The effect of recess pressure on the dynamic force response of a L02 hybrid bearing is discussed in detail.

Copyright © 1990 by The American Society of Mechanical Engineers
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