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Advances in Tribology
Volume 2012 (2012), Article ID 365414, 7 pages
http://dx.doi.org/10.1155/2012/365414
Research Article

Investigations on Oil Flow Rates Projected on the Casing Walls by Splashed Lubricated Gears

1Laboratoire d’Energétique, Université de Lyon—ECAM Lyon, 40 Montée Saint-Barthélemy, 69321 Lyon Cedex 05, France
2INSA de Lyon, Université de Lyon, LaMCoS, UMR CNRS 5259, Bâtiment Jean d’Alembert, 18-20 Rue des Sciences, 69621 Villeurbanne Cedex, France

Received 26 June 2012; Accepted 19 October 2012

Academic Editor: Ahmet Kahraman

Copyright © 2012 G. Leprince et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In order to investigate the oil projected by gears rotating in an oil bath, a test rig has been set up in which the quantity of lubricant splashed at several locations on the casing walls can be measured. An oblong-shaped window of variable size is connected to a tank for flow measurements, and the system can be placed at several locations. A series of formulae have been deduced using dimensional analysis which can predict the lubricant flow rate generated by one spur gear or one disk at various places on the casing. These results have been experimentally validated over a wide range of operating conditions (rotational speed, geometry, immersion depth, etc.).