Study on combustion and emissions of a turbocharged compression ignition engine fueled with dimethyl ether and biodiesel blends

被引：23
作者：
Hou, Junxing [1 ]
Wen, Zhenhua [1 ]
Jiang, Zhiqiang [1 ]
Qiao, Xinqi [2 ]
机构：
[1] Zhengzhou Inst Aeronaut Ind Management, Sch Mech Engn, Zhengzhou 450015, Henan Province, Peoples R China
[2] Shanghai Jiao Tong Univ, Key Lab Power Machinery & Engn, Minist Educ, Shanghai 200240, Peoples R China
来源：
JOURNAL OF THE ENERGY INSTITUTE | 2014年 / 87卷 / 02期
基金：
中国国家自然科学基金;
关键词：
DME; Biodiesel; Blended fuel; Combustion; Emissions; PALM OIL; DIESEL; PERFORMANCE; ATOMIZATION; DME; PRESSURE; BEHAVIOR;
D O I：
10.1016/j.joei.2014.03.021
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this study, combustion and emissions characteristics of a turbocharged compression ignition engine fueled with dimethyl ether (DME) and biodiesel blends are experimentally investigated. The effects of nozzle parameter on combustion and emissions are evaluated. The result shows that with the increase of DME proportion, ignition delay, the peak in-cylinder pressure, peak heat-release rate, peak in-cylinder temperature decrease, and their phases retard. Compared to the nozzle 6 x 0.40 mm, the peak cylinder pressure and peak heat-release rate are higher with nozzle 6 x 0.35 mm, and their phases are advanced. Increased DME proportion in fuel blends causes greater differences. Compared to biodiesel, NOx emissions of blends significantly decrease; HC emissions and CO emissions increase slightly. DME-biodiesel blends can be used as an alternative in a turbocharged CI engine. To obtain low NOx emissions and a soft engine operation, for high DME proportion blended fuels, nozzle of 6 x 0.40 mm adopted. (c) 2014 Energy Institute. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：102 / 113
页数：12
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