The effect of oil feed pressure on the friction torque of plain bearings under light, steady loads

The effect of oil feed pressure on the friction torque of plain bearings under light, steady loads Friction losses in plain bearings can be reduced by reducing the pressure of the oil feed. The role of increased film cavitation has been investigated experimentally under light, steady loads for a bearing with a 180° groove, using an SAE 5W-30 oil. Friction torque was reduced by up to 18% by increased cavitation which reduces the film area and the eccentricity ratio. The latter reduces the surface shear stress in the load-bearing region of the film and overall, the circumferential average. As load increases, the reduction in film area accounts for an increasing proportion of the friction torque reduction. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Tribology International Elsevier

The effect of oil feed pressure on the friction torque of plain bearings under light, steady 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.2017.11.013
Publisher site
See Article on Publisher Site

Abstract

Friction losses in plain bearings can be reduced by reducing the pressure of the oil feed. The role of increased film cavitation has been investigated experimentally under light, steady loads for a bearing with a 180° groove, using an SAE 5W-30 oil. Friction torque was reduced by up to 18% by increased cavitation which reduces the film area and the eccentricity ratio. The latter reduces the surface shear stress in the load-bearing region of the film and overall, the circumferential average. As load increases, the reduction in film area accounts for an increasing proportion of the friction torque reduction.

Journal

Tribology InternationalElsevier

Published: Mar 1, 2018

References

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