A Study on Engine Bearing Wear and Fatigue Using EHL Analysis and Experimental Analysis

Paper #:
  • 1999-01-1514

Published:
  • 1999-05-03
Citation:
Ushijima, K., Aoyama, S., Kitahara, K., Okamoto, Y. et al., "A Study on Engine Bearing Wear and Fatigue Using EHL Analysis and Experimental Analysis," SAE Technical Paper 1999-01-1514, 1999, https://doi.org/10.4271/1999-01-1514.
Pages:
14
Abstract:
The possibility of predicting engine bearing durability by elastohydrodynamic lubrication (EHL) calculations was investigated with the aim of being able to improve durability efficiently without conducting numerous confirmation tests. This study focused on the connecting rod big-end bearing of an automotive engine. The mechanisms of wear and fatigue, which determine bearing durability, were estimated by comparing the results of EHL analysis and experimental data. This comparison showed the possibility of predicting the wear amount and the occurrence of fatigue by calculation.
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