Dynamic characteristics of polymer faced tilting pad journal bearings

Gregory F. Simmons, Alejandro Javier Cerda Varela, Ilmar Santos, Sergei Glavatskih

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Dynamic characteristics of polymer faced tilting pad journal bearings are presented. Investigations are conducted using a single pad, load on pad configuration over a range of shaft speeds and loads. Two polyether ether ketone (PEEK) faced pads, one polytetrafluoroethylene (PTFE) faced pad and two entirely PEEK pads are investigated to determine the effect of varying mean bearing pressure and pivot characteristics as well as different material properties of the polymer layer. Experimental results indicate increased damping and decreased stiffness and slightly increased oil film temperature for entirely PEEK pads compared to pads with a PEEK lining and steel backing. Similar effects were observed by using a softer (PTFE) pad liner with a steel backing.
Original languageEnglish
JournalTribology International
Volume74
Pages (from-to)20-27
ISSN0301-679X
DOIs
Publication statusPublished - 2014

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