Experimental study on homogeneous charge compression ignition operation by burning dimethyl ether and methanol

被引：7

作者：

Yao, Mingfa ^{[1
]}

Zheng, Zunqing ^{[1
]}

Chen, Zheng ^{[1
]}

Zhang, Bo ^{[1
]}

机构：

[1] Tianjin Univ, State Key Lab Engines, Tianjin 300072, Peoples R China

来源：

INTERNATIONAL JOURNAL OF GREEN ENERGY | 2007年 / 4卷 / 03期

基金：

中国国家自然科学基金;

关键词：

dimethyl ether (DME); methanol; homogeneous charge compression ignition (HCCI); combustion; emissions;

D O I：

10.1080/15435070701193134

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this paper, a new approach to burning methanol in engine is proposed, in which the engine burns dimethyl ether (DME) and methanol dualfuel in homogeneous charge compression ignition (HCCI) mode, and DME is convertedfrom methanol, Combustion, engine performance, and pollutant emissions of the new HCCI combustion system were investigated. The results show that the stable HCCI operation of DME/methanol can be obtained over a quite broad speed and load region. Both DME and methanol affect HCCI combustion strongly, and by regulating DMElmethanol proportions the HCCI combustion process could be controlled effectively. NOx emissions are, very low overall while HC and CO emissions are much higher than that in conventional compression ignition engines. An appropriate optimal HCCI operation can be obtained by controlling the DME and methanol supply according to operating conditions.

引用

页码：283 / 300

页数：18

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