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Modeling and prediction of a simplified seizure mechanism occurring in conrod bearings

Published online by Cambridge University Press:  09 June 2011

Jean-Louis Ligier  and
Laurent Dutfoy
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Abstract

The paper concerns the transient thermal behavior of a conrod bearing in an automotive engine subjected to various running conditions. The thermal model is oil shear and contact friction heat generation components. The first part of the paper covers some of the industrial and scientific aspects related to bearings seizure, and emphasizes the importance of removing this failure mechanism as early as the incipient development stages of new automotive engines. The second part concerns several of the broad array of factors that approximate a seizure mechanism. In the third and final part, the mathematical model for conrod bearings seizure is revealed. The objective of the paper is to confirm the conrod seizure model’s utility, complementary with more refined approaches such as the thermo-elasto-hydrodynamic approach.

Keywords

Crankpinseizuremixed lubricationheat transferMapleManetongrippagelubrification mixtetransfert de chaleurMaple
Type
Research Article
Information
Mechanics & Industry , Volume 12 , Issue 4 , 2011 , pp. 265 - 273
Copyright
© AFM, EDP Sciences 2011

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