Effects of Premixed Fuel and EGR on the Combustion and Emissions Characteristics of HCCI Diesel Engine

被引：4
|
作者：
Yoon, Young Hoon
Kim, Dae Sik
Lee, Chang Sik
机构：
来源：
TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS B | 2005年 / 29卷 / 09期
关键词：
HCCI; Premixed Ratio; Premixed Fuel; EGR;
D O I：
10.3795/KSME-B.2005.29.9.1006
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The effects of premixed fuels(diesel or n-heptane) and exhaust gas recirculation on combustion and exhaust emission characteristics in a DI diesel engine were experimentally investigated. To improve homogeneity of fuel-air mixture in the conventional diesel engine, the premixed fuel is injected by high pressure(5.5 MPa) into the premixing chamber prior to engine cylinder. And several additional systems such as an EGR system, air heating system and back pressure control system were equipped in the DI diesel engine. The results showed that premixed fuel-air mixture undergoes typical HCCI combustion prior to the combustion of DI diesel fuel. The ignition timing of HCCI combustion is delayed by application of EGR, and it also shows that HCCI combustion can be controlled by an EGR.
引用
收藏
页码：1006 / 1012
页数：7
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