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Simulation of spring-supported thrust bearing with use of FEM
2002 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The influence of different oils on performance of hydrodynamic tilting pad thrust bearing assemblies is investigated with use of a Finite Element Method (FEM) approach. A three-dimensional model of the bearing assembly that includes the bearing pad and shaft is used to assess the influence of operating conditions on bearing parameters such as temperature and oil film distributions across the bearing pads. Two bearings were considered. The first bearing having spherically pivoted pads is well investigated in the research facility and the great amount of experimental data for different load cases and oils was obtained for it, that has allowed to calibrate FEM- program through comparison of results of theoretical investigation by FEM to experiment. The second bearing having spring-mounted Babbitt pads is used in the experimental aggregate Porjus U9. For this bearing results are obtained and compared for one load case and four different oils. Influence of two different pad facing materials (babbitt and polymer) on the bearing performance was investigated.

Place, publisher, year, edition, pages
2002.
Keyword [en]
Technology, FEM, simulation, thrust, bearings
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-48252ISRN: LTU-EX--02/098--SELocal ID: 5b8543b2-6ec8-4f7e-b636-460f14522a06OAI: oai:DiVA.org:ltu-48252DiVA: diva2:1021592
Subject / course
Student thesis, at least 30 credits
Educational program
Mechanical Engineering, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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