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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.
2009 (English)In: Lubrication Science, ISSN 0954-0075, Vol. 21, no 9, 366-377 p.Article in journal (Refereed) Published
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, utilization 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 benefi ts 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 glycoldioleate) 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 fi lm thickness. The impact of oil viscosity index is also discussed.

Place, publisher, year, edition, pages
2009. Vol. 21, no 9, 366-377 p.
Keyword [en]
synthetic ester, environmentally adapted lubricant, hydrodynamic journal bearing
National Category
URN: urn:nbn:se:kth:diva-80229DOI: 10.1002/ls.98ISI: 000271730300003OAI: diva2:496558
QC 20120309Available from: 2012-02-10 Created: 2012-02-09 Last updated: 2012-03-09Bibliographically approved

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Glavatskih, Sergei

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