Analysis of Piston Friction in Internal Combustion Engine

被引：4

作者：

Kohashi, Ken-ichi ^{[1
]}

Kimura, Yuichiro ^{[1
]}

Murakami, Motoichi ^{[1
]}

Drouvin, Yann ^{[2
]}

机构：

[1] Toyota Motor Co Ltd, Toyota, Japan

[2] Toyota Motorsport GmbH, Cologne, Germany

来源：

SAE INTERNATIONAL JOURNAL OF FUELS AND LUBRICANTS | 2013年 / 6卷 / 03期

关键词：

D O I：

10.4271/2013-01-2515

中图分类号：

U [交通运输];

学科分类号：

08 ; 0823 ;

摘要：

The purpose of this study is to analyze the piston skirt friction reduction effect of a diamond-like carbon (DLC)-coated wrist pin. The floating liner method and elasto-hydrodynamic lubrication (EHL) simulation were used to analyze piston skirt friction. The experimental results showed that a DLC-coated wrist pin reduced cylinder liner friction, and that this reduction was particularly large at low engine speeds and large pin offset conditions. Friction was particularly reduced at around the top and bottom dead center positions (TDC and BDC). EHL simulation confirmed that a DLC-coated wrist pin affects the piston motion and reduces the contact pressure between the piston skirt and cylinder liner.

引用

页码：589 / 593

页数：5

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