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Numerical analysis of elastohydrodynamic lubrication for thrust bearing design
2002 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This work has been concerned with theoretical and numerical analysis of pressure distribution, oil film-thickness and tribological performance of thrust bearings. This type of bearings are frequently used in water power plants. Another factors like power loss, steady state flow and the mean temperature rise inside the bearings have been studied in two general cases: with and without coated material teflon. Teflon, as a plastic material, has been meant to reduce the loss of performance and increase the operational reliability in such bearings. The procedure to obtain a theoretical formulation begins with a sophisticated equation and the final model is a simplified form as a non-linear differential equation. Validity of the numerical solution of this equation is examined by an analytic solution. For the numerical solution and data processing, a PC-based computer program has been developed. The results of this computer program are plotted for different model situations such as thermal and isothrmal cases.

Place, publisher, year, edition, pages
Keyword [en]
Technology, Tribology
Keyword [sv]
URN: urn:nbn:se:ltu:diva-44060ISRN: LTU-EX--02/247--SELocal ID: 1df57a79-dbfd-4d74-9ff5-d60be0e0b7bfOAI: diva2:1017335
Subject / course
Student thesis, at least 30 credits
Educational program
Engineering Physics, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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