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Journal of Applied Sciences
  Year: 2007 | Volume: 7 | Issue: 2 | Page No.: 285-293
DOI: 10.3923/jas.2007.285.293
 
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Effects of the Elastic Strain and Dilation in the Big End Journals

Bensmaine Mansouri, Abdelhamid Bounif, Patrick Maspeyrot and Towfik Tamine

Abstract:
The heating and mechanics effects due to the temperatures and pressures in bearings were largely studied these last years but separately; few studies are devoted to the two phenomena acting together in dynamic mode, such as the crankshaft and rod bearings; where the requirements are very severe. In order to approach reality and confronting with other studies being interested in the thermo-elastohydrodynamic phenomena (TEHD). The studied model takes into account the deformations due to the pressures field for the bearing as well as the differential expansion between that and the crankpin; it takes also into account the reduction of the lubricant viscosity which is included in Reynolds’equation. Simulation résults of the connecting rod bearings of in internal combustion engine are presented and show that the thermal distortion has remarkable effects on the bearings performances; therefore the thermo-elastohydrodynamic analysis is very recommended to predict the performances of the journal bearings in internal combustion engines.
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How to cite this article:

Bensmaine Mansouri, Abdelhamid Bounif, Patrick Maspeyrot and Towfik Tamine, 2007. Effects of the Elastic Strain and Dilation in the Big End Journals. Journal of Applied Sciences, 7: 285-293.

DOI: 10.3923/jas.2007.285.293

URL: https://scialert.net/abstract/?doi=jas.2007.285.293

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