Effect of intake hydrogen addition on performance and emission characteristics of a diesel engine with exhaust gas recirculation

被引：10
|
作者：
Qian, Y. J. [1 ]
Zuo, C. J.
Tan, J.
Xu, H. M. [2 ]
机构：
[1] Hefei Univ Technol, Sch Mech & Automot Engn, Dept Power Machinery & Engn, Hefei 230009, Anhui, Peoples R China
[2] Univ Birmingham Edgbaston, Sch Engn, Birmingham, W Midlands, England
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2011年 / 225卷 / C8期
基金：
中国国家自然科学基金;
关键词：
diesel engine; EGR; intake hydrogen enrichment; emission; FUEL; NOX;
D O I：
10.1177/0954406211403663
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This article presents the potential of improving engine performance and pollutant emissions of a ZS195 Diesel engine by exhaust gas recirculation (EGR) and intake hydrogen enrichment. The effect of EGR level and hydrogen addition on the engine performance and pollutant emissions has been investigated through detailed experiments at rated speed. The experimental results have shown that when EGR level is constant, the peak pressure and maximum rate of pressure rise increase with the increase of hydrogen addition. The intake hydrogen enrichment can reduce HC, CO, and soot level and increase NOX emission, but EGR technique can offset this effect. The combustion speed and thermal efficiency increase with the increase of hydrogen addition when EGR technique has been adopted.
引用
收藏
页码：1919 / 1925
页数：7
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