Improving fuel efficiency with laser surface textured piston rings

被引：343
|
作者：
Etsion, I. [1 ]
Sher, E.
机构：
[1] Technion Israel Inst Technol, Dept Mech Engn, IL-32000 Haifa, Israel
来源：
TRIBOLOGY INTERNATIONAL | 2009年 / 42卷 / 04期
关键词：
IC Engines; Fuel efficiency; Engine friction; Piston rings; Laser surface texturing; RECIPROCATING AUTOMOTIVE COMPONENTS; AUTOMOBILE ENGINE TRIBOLOGY; FRICTION REDUCTION; PERFORMANCE; FINISH;
D O I：
10.1016/j.triboint.2008.02.015
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
An experimental study is presented to evaluate the effect of partially laser surface textured piston rings on the fuel consumption and exhaust gas composition of a compression-ignition IC engine. Dynamometer tests were performed with a Ford Transit naturally aspirated 2500 cm(3) engine at a wide range of engine speeds under near-half-load conditions. A comparison was made between the performance of reference non-textured conventional barrel-shaped rings and optimum partial laser surface texturing (LST) cylindrical-shape rings. It was found that the partial LST piston rings exhibited up to 4% lower fuel consumption, while no traceable change in the exhaust gas composition or smoke level was observed. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：542 / 547
页数：6
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