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Influence on friction from piston ring design, cylinder liner roughness and lubricant properties
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Scania CV AB, Södertälje.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-9110-2819
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-7029-1112
2017 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 116, 272-284 p.Article in journal (Refereed) Published
Abstract [en]

The piston rings are responsible for a large portion of the fuel consumption in heavy duty diesel engines. In this work a high speed component test rig for evaluation of piston ring friction is used. A number of different piston rings and cylinder liners are evaluated based on their friction performance. Shear thinning of typical multi grade oil is investigated by comparing it to single grade oil. Experimental simulation of higher speeds by decreasing the viscosity is evaluated. A method for indication of effects on oil consumption, without combustion, for different oil control rings is presented. Finally, a numerical simulation model for the oil control ring is validated by comparing the friction predicted with the model to the experimental results

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 116, 272-284 p.
National Category
Tribology
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-65076DOI: 10.1016/j.triboint.2017.07.015Scopus ID: 2-s2.0-85026255557OAI: oai:DiVA.org:ltu-65076DiVA: diva2:1131568
Note

Validerad; 2017; Nivå 2; 2017-08-14 (andbra)

Available from: 2017-08-15 Created: 2017-08-15 Last updated: 2017-08-21Bibliographically approved

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