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Location: Home>Papers of Tribology
Tribological Simulation and Design of Piston Skirt-Liner System to Reduce Friction of Automotive Engines
2013-05-30 ArticleSource:
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WU Bin1,2*, NING Lipu3, MENG Xianghui3, LI Jun1,2, XIE Youbai3

(1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China; 2. China FAW Corporation R&D Center, Changchun 130011, China;3. School of Mechanical and Power Engineering, Shanghai Jiaotong University, Shanghai 200240, China)

Abstract: Tribology is more important than ever to economy and reliability of automotive engines. A mixed lubrication model has been developed to facilitate the tribological analysis of the piston skirt-liner system. It takes into account the effects of the surface geometry, and the deformations of the piston skirt and liner. The model can be used to find better design schemes to reduce the system friction. Based on the analysis, several improved schemes have been presented for the automotive engine. And the simulation results show that the schemes can obviously reduce the friction of the piston skirt-liner system,the system friction is reduce by 45.5%.

Key words: piston; skirt-liner; friction loss; secondary motion

E-mail: wubin1@rdc.faw.com.cn 

Tribology, Vol. 32, Issue 6, 2012, 577~583

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