Combustion and emission characteristics of a turbocharged diesel engine fuelled with dimethyl ether

被引：0

作者：

Wu, J. ^{[1
]}

Huang, Z. ^{[1
]}

Qiao, X. ^{[1
]}

Lu, J. ^{[1
]}

Zhang, L. ^{[1
]}

Zhang, J. ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Res Ctr Combust & Environm Technol, Shanghai 200030, Peoples R China

来源：

INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY | 2006年 / 7卷 / 06期

关键词：

dimethyl ether; combustion; emissions; smoke;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper is concerned with an experimental study of a turbocharged diesel engine operating on dimethyl ether (DME). The combustion and emission characteristics of DME engine were investigated. The results showed that the maximum torque and power with DME could achieve a greater level compared to diesel operation, particularly at low speeds: the brake specific fuel consumption with DME was lower than the diesel at low and middle engine speeds. The injection delay of DME was longer than that of diesel. However, the maximum cylinder pressure, maximum pressure rise rate and combustion noises of DME engine were lower than those of diesel. The combustion velocity of DME was faster than that of diesel, resulting in a shorter combustion duration of DME. Compared with the diesel engine, NOX emissions of the DME engine were reduced by 41.6% on ESC data. The DME engine was smoke free at all operating points of the engine.

引用

页码：645 / 652

页数：8

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