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Oil-film thickness and temperature measurements in PTFE and babbitt faced tilting-pad thrust bearings
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
University of Central Lancashire, Jost Institute for Tribotechnology, Department of Technology.
2005 (English)In: Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology, ISSN 1350-6501, E-ISSN 2041-305X, Vol. 219, no 3, p. 179-185Article in journal (Refereed) Published
Abstract [en]

The influence of pad facing material on hydrodynamic lubrication in tilting-pad thrust bearings is investigated in terms of pad and oil-film temperatures and thicknesses. Two tilting-pad thrust bearings are examined: one with babbitt pad facing, the other with a layer of PTFE-based composite material. Frictional torque, pad, collar, and oil-film temperatures and thicknesses are all monitored by means of a comprehensive array of sensors mounted in the bearing and shaft. A considerably smaller range of temperature is seen in the steel backing immediately below the surface material for the PTFE faced pads. Oil-film temperatures measured at the mid-point on the pad trailing edge show no significant difference between the two bearings. Oil-film thicknesses in the two bearings are seen to differ. At the leading edge, oil-film thickness is thinner for the PTFE pad than for babbitt. However, at the trailing edge the PTFE pad has the thicker film.

Place, publisher, year, edition, pages
2005. Vol. 219, no 3, p. 179-185
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-16012DOI: 10.1243/135065005X9853ISI: 000231480300001Scopus ID: 2-s2.0-23944478426Local ID: f9874e50-89e2-11db-8975-000ea68e967bOAI: oai:DiVA.org:ltu-16012DiVA, id: diva2:988988
Note
Validerad; 2005; 20061212 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Mccarthy, DonaldGlavatskikh, Sergei

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Tribology (Interacting Surfaces including Friction, Lubrication and Wear)

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