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The effect of three-dimensional deformations of a cylinder liner on the tribological performance of a piston ring–cylinder liner system
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0003-0141-235X
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
Scania CV AB, Södertälje.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-7029-1112
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2014 (English)In: Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology, ISSN 1350-6501, E-ISSN 2041-305X, Vol. 228, no 10, p. 1080-1087Article in journal (Refereed) Published
Abstract [en]

This paper describes a numerical simulation model for prediction of the tribological effects of an oil control ring running against an out-of-round cylinder liner in a heavy duty diesel engine. The model considers the full three-dimensional geometry of the oil control ring and includes the effect of both surface roughness and global deformation. Results that test the model’s ability to do this under stationary conditions are presented. Furthermore, stationary results for prediction of the friction reduction possible by reduced ring tension in combination with reduced out-of-roundness are given. The model predicts the friction for the oil control ring at mid-stroke to be 78% larger in an out-of-round cylinder liner compared to a perfectly cylindrical one.

Place, publisher, year, edition, pages
2014. Vol. 228, no 10, p. 1080-1087
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-10407DOI: 10.1177/1350650114529266ISI: 000341997000007Local ID: 936ed376-82b1-4935-8386-74d49c682168OAI: oai:DiVA.org:ltu-10407DiVA, id: diva2:983352
Note
Validerad; 2014; 20140414 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Söderfjäll, MarkusIsaksson, PatrikAlmqvist, AndreasLarsson, Roland

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Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)

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