Improvement of journal bearing operation at heavy misalignment using bearing flexibility and compliant liners

Kim Thomsen, Peder Klit

    Research output: Contribution to journalJournal articleResearchpeer-review

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    Abstract

    A flexure journal bearing design is proposed that will improve operational behaviour of a journal bearing at pronounced misalignment. Using a thermoelastohydrodynamic model, it is shown that the proposed flexure journal bearing has vastly increased the hydrodynamic performance compared to the stiff bearing when misaligned. The hydrodynamic performance is evaluated on lubricant film thickness, pressure and temperature. Furthermore, the influence of a compliant bearing liner is investigated and it is found that it increases the hydrodynamic performance when applied to a stiff bearing, whereas the liner has practically no influence on the flexure journal bearing's performance.
    Original languageEnglish
    JournalProceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
    Volume226
    Issue number8
    Pages (from-to)651-660
    ISSN1350-6501
    DOIs
    Publication statusPublished - 2012

    Bibliographical note

    © IMechE 2012

    Keywords

    • Flexure bearing
    • thermoelastohydrodynamic
    • misalignment
    • polymer liner

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