Thermal validation of a misaligned grease-lubricated journal bearing model-Reference-Cited by-同舟云学术

Thermal validation of a misaligned grease-lubricated journal bearing model

Published:2004-05-01 Issue:5 Volume:218 Page:423-435
ISSN:1350-6501
Container-title:Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology

Author:

Dick A¹,Lin C¹,Wang Y²,Wang Q J²

Affiliation:

1. Baker Hughes Inc. Houston, Texas, USA

2. Northwestern University Department of Mechanical Engineering Evanston, Illinois, USA

Abstract

Bearing temperatures predicted by a misaligned grease-lubricated journal bearing simulation were compared with experimental data. The numerical simulation combines a steady state mixed thermo-elastohydrodynamic lubrication model with a semiempirical soap-thickened grease rheology model. Circumferential temperature profiles were measured using a test fixture and journal test specimens of 5.1 cm diameter and 1.9cm wide over a range of bearing loads (3.8–30kN) and angular misalignments (from −0.08° to 0.05°) at 166r/min rotational speed. The results show that the maximum temperatures in the numerical and experimental profile agree within 5 per cent over the range of loads and misalignments studied.

Publisher

SAGE Publications

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1243/1350650042127996

Reference18 articles.

1. A Theoretical and Experimental Study of EHL Lubricated With Grease

2. Elastohydrodynamic Grease Lubrication Theory and Numerical Solution in Line Contacts

3. A theory of elastohydrodynamic grease-lubricated line contact based on a refined rheological model

4. Simulation of lubricant rheology in thin film lubrication Part 2: simulation of Couette flow

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