Lubrication of small end bearings in supercharged two-stroke diesel engines

W.E. ten Napel, R. Bosma

    Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

    Abstract

    Small end bearings of heavily loaded two-stroke diesel engines or, in general, bearings with duty cycles combining non-reversing loads with limited angular or oscillation very often only function marginally satisfactorily and tend to cause many problems. In this paper an analysis of these problems is presented. Construction of journal paths as well as calculations, based on the mobility-whirl angle method, were carried out. The influence of design factors, such as number and position of oil grooves, bearing clearance etc., will be investigated and it will be shown that optimization of these parameters only results in marginal improvements. An impressive increase in minimum film thickness, however, can be obtained by pre-stressing the piston pin with regard to its bearing housing. Subsequently, a suggestion for a practical bearing configuration is presented. (A)

    Original languageEnglish
    Title of host publicationTribology of reciprocating engines
    Subtitle of host publicationproceedings of the 9th Leeds-Lyon Symposium on Tribology held in Bodington Hall, the University of Leeds, England, 7-10 September 1982
    EditorsD. Dowson, C.M. Taylor, M. Godet, D. Berthe
    Place of PublicationGuildford
    PublisherButterworth & Co
    Pages37-43
    ISBN (Print)9780408221610
    DOIs
    Publication statusPublished - 1 Jan 1983
    Event9th Leeds-Lyon Symposium on Tribology 1982 - Bodington Hall, the University of Leeds, Leeds, United Kingdom
    Duration: 7 Sep 198210 Sep 1982
    Conference number: 9

    Conference

    Conference9th Leeds-Lyon Symposium on Tribology 1982
    CountryUnited Kingdom
    CityLeeds
    Period7/09/8210/09/82

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