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Compressibility of oil/refrigerant lubricants in elasto-hydrodynamic contacts
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
2006 (English)In: Journal of tribology, ISSN 0742-4787, E-ISSN 1528-8897, Vol. 128, no 1, p. 218-220Article in journal (Refereed) Published
Abstract [en]

A high-pressure chamber is used to study lubricant compressibility when refrigeration oil is diluted by refrigerant. The tested lubricant in this work is a POE (polyol ester) oil, POE diluted with nonchlorinated (HFC) refrigerant R-134a, a naphthenic mineral oil, and the mineral oil diluted with the chlorinated (HCFC) refrigerant R-22. The high-pressure chamber experiments show that by adding 20 wt% of R-134a to the polyol ester oil, the stiffness of the lubricant increases by approximately 38 wt% at 1 GPa and is much higher than for R-22 and mineral oil.

Place, publisher, year, edition, pages
2006. Vol. 128, no 1, p. 218-220
National Category
Other Mechanical Engineering Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Computer Aided Design; Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-9017DOI: 10.1115/1.2125967ISI: 000234753200027Scopus ID: 2-s2.0-33645753339Local ID: 792f6e00-e6a7-11db-8a98-000ea68e967bOAI: oai:DiVA.org:ltu-9017DiVA, id: diva2:981955
Note

Validerad; 2006; 20070409 (ysko)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Tuomas, RogerIsaksson, Ove

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  • apa
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  • de-DE
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  • nn-NB
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Output format
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