Combustion and emission characteristics of a homogeneous charge compression ignition engine

被引：2

作者：

Hu, TG ^{[1
]}

Liu, SH ^{[1
]}

Zhou, LB ^{[1
]}

Chi, Z ^{[1
]}

机构：

[1] Xian Jiaotong Univ, Dept Internal Combust Engine, Sch Energy & Power Engn, Xian 710049, Shaanxi Prov, Peoples R China

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING | 2005年 / 219卷 / D9期

关键词：

combustion; emission; homogeneous charge compression ignition (HCCI); dimethyl ether;

D O I：

10.1243/095440705X34676

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Dimethyl ether (DME) is a kind of fuel with high cetane number and low evaporating temperature, which is suitable for a homogeneous charge compression ignition (HCCI) engine. The combustion and emission characteristics of an HCCI engine fuelled with DME were investigated on a modified single-cylinder engine. The experimental results indicate that the HCCI engine combustion is a two-stage heat release process. The engine load or air-fuel ratio has significant effects on the maximum cylinder pressure and its position, the shape of the pressure rise rate and the heat release rate. The engine speed has little effect. A DME HCCI engine is smoke free, with zero NOx and low hydrocarbon and CO emissions under the operating conditions of 0.25-0.30 MPa brake mean effective pressure.

引用

页码：1133 / 1139

页数：7

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