Theoretical study on a novel electromagnetically supported hydrodynamic bearing under static loads

Theoretical study on a novel electromagnetically supported hydrodynamic bearing under static loads A novel hydrodynamic plain journal bearing is presented, in which the thickness of the lubricant is simultaneously used as an airgap of the electromagnetic system. The bearing combines the advantages of hydrodynamic and magnetic bearings, and can be manufactured as one coherent unit. This paper develops a new governing equation system describing stationary loci of such an electromagnetically supported short hydrodynamic plain journal bearing under hydrodynamic, electromagnetic and gravity forces. The derived ordinary equation system describing an implicit equilibrium position of the bearing is solved semi-analytically for different hydrodynamic and electromagnetic loads to provide equilibrium loci. This solution is subsequently verified by means of the Finite Difference Method. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Tribology International Elsevier

Theoretical study on a novel electromagnetically supported hydrodynamic bearing under static loads

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0301-679X
eISSN
1879-2464
D.O.I.
10.1016/j.triboint.2017.09.021
Publisher site
See Article on Publisher Site

Abstract

A novel hydrodynamic plain journal bearing is presented, in which the thickness of the lubricant is simultaneously used as an airgap of the electromagnetic system. The bearing combines the advantages of hydrodynamic and magnetic bearings, and can be manufactured as one coherent unit. This paper develops a new governing equation system describing stationary loci of such an electromagnetically supported short hydrodynamic plain journal bearing under hydrodynamic, electromagnetic and gravity forces. The derived ordinary equation system describing an implicit equilibrium position of the bearing is solved semi-analytically for different hydrodynamic and electromagnetic loads to provide equilibrium loci. This solution is subsequently verified by means of the Finite Difference Method.

Journal

Tribology InternationalElsevier

Published: Mar 1, 2018

References

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