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Influence of oil type on the performance characteristics of a two axial groove journal bearing
Luleå University of Technology, Division of Machine Elements.
2008 (English)In: Proceedings of NORDTRIB 2008, 13th Nordic Symposium on Tribology: Scandic Rosendahl Hotel, Tampere, Finland, June 10 - 13, 2008, 2008Conference paper (Refereed)
Abstract [en]

The use of Environmentally Adapted Lubricants (EALs) is a subject of growing interest to industry as legislation increasingly demands the replacement of mineral oil lubricants. Vegetable based fluids are widely seen as providing lubricants from a renewable source as well as meeting demands for improved biodegradability. However, at present, utilisation of such fluids is limited due to their rapid oxidation. EALs produced from other base stocks (i.e. synthetic esters) have been shown to provide performance benefits in hydrodynamic thrust bearings. In the present study, a hydrodynamic journal bearing test rig has been employed to compare the performance of three EALs (a VG32 saturated ester, rapeseed base fluid and a Propylene Glycol Dioleate) relative to three mineral turbine oils (ISOVG32, ISOVG46 and ISOVG68) in the hydrodynamic regime. Results are given in terms of temperature, power loss and minimum film thickness. The impact of oil VI is also discussed.

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URN: urn:nbn:se:kth:diva-80656ISBN: 978-952-15-1959-8OAI: diva2:496756
Nordic Symposium on Tribology, 13. Tampere, Finland. June 10 - 13, 2008
QC 20120508Available from: 2012-02-10 Created: 2012-02-10 Last updated: 2012-05-08Bibliographically approved

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Glavatskih, Sergei

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