The friction analysis of main bearing on an internal combustion engine based on multi-body dynamics and elasto-hydrodynamic

Deng, Banglin; Yang, Jing; Fu, Jianqin; Shanping, Chen; Wang, Shuqing

doi:10.1109/iceice.2011.5776934

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2013

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“…The optimized data are obviously less than the experienced value which AVL supplies: the minimum oil film thickness is not less than 1 m  , the maximum oil film pressure is not more than 175 MPa . d) The average asperity contact pressure corresponding to the actual wear which under nice situation [8].…”

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confidence: 99%

Hydrokinetic Analysis of Crankshaft Main Bearings in High-Speed Gasoline Engine

Yang

Wang

et al. 2013

AMR

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To a particular inline-four high-speed gasoline engine as the research object, main bearing lubrication analysis model of four-cylinder engine is based on AVL-Excite Power Unit software and couples the mechanical dynamics with lubricating fluid dynamics. On the basis of this model, we are focusing on the influence of parameters such as grease groove width on the engine main bearing lubrication performance. According to the analysis of simulation results on the minimum film thickness and maximum film pressure, and combined with the analysis report of disassembling the engine, it is easy to know why bearing bushes wear and provide the basis for the optimized design of the crankshaft main bearing. Improving design of the main bearing is more useful for operating requirement.

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confidence: 99%