Influence of load on the tribological conditions in piston ring and cylinder liner contacts in a medium-speed diesel engine

Jaana Tamminen, Sandström (Corresponding Author), Peter Andersson

    Research output: Contribution to journalArticleScientificpeer-review

    33 Citations (Scopus)

    Abstract

    The present work is an attempt to determine the oil film thickness in a medium-speed four-stroke diesel engine with a cylinder diameter of 200 mm. Experimental research on this topic was found necessary due to the limited amount of published information available with reference to engines of the present size. The experimental part of the study was carried out as firing engine tests, with an instrumented piston, equipped with telemetric data transmission, and an instrumented cylinder liner in a 6-in-line test engine. The study was carried out for different parts of the four-stroke working cycle and for different levels of engine power output. The results were compared with the results of computer simulations, carried out using a commercial software package. The conclusions of the study comprise aspects on the formation and development of the oil film between the rings and the liner under a set of load levels together with the periodical fluctuation during different strokes of the working cycle.
    Original languageEnglish
    Pages (from-to)1643-1652
    Number of pages10
    JournalTribology International
    Volume39
    Issue number12
    DOIs
    Publication statusPublished - 2006
    MoE publication typeA1 Journal article-refereed

    Keywords

    • oil film thickness
    • piston ring
    • cylinder liner
    • medium-speed diesel engine
    • diesel engines

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