| 直喷式柴油机燃用二甲醚排放特性的研究 |
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| 引用本文： | 王贺武,周龙保,蒋德明,黄佐华.直喷式柴油机燃用二甲醚排放特性的研究[J].内燃机学报,2000,18(1):6-10. |
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| 作者姓名： | 王贺武 周龙保 蒋德明 黄佐华 |
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| 作者单位： | 西安交通大学能源与动力工程学院汽车工程系,西安,710049 |
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| 基金项目： | 西安交通大学博士论文基金和福特-中国研究发展基金（9715613） |
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| 摘 要： | 对柴油机燃用二甲醚的排放性能进行了研究，并与燃用柴油时的排放水平进行了对比。结果表明：发动机转速和平均有效压力对污染物排放有较大影响；与燃用柴油相比，燃用二甲醚可以大幅度降低ＮＯｘ排放，烟度为０，ＣＯ和未燃ＨＣ排放也有所降低，排放物中甲醛量增加。研究表明二甲醚是柴油机理想的低排放代用燃料。
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| 关 键 词： | 二甲醚 代用燃料 柴油机 直喷式 汽车 排放特性 |
Study on Emission Characteristics of Direct Injection Diesel Engine Fueled with Dimethyl Ether |
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| WANG He-wu,ZHOU Long-bao,JIANG De-ming,HUANG Zuo-hua.Study on Emission Characteristics of Direct Injection Diesel Engine Fueled with Dimethyl Ether[J].Transactions of Csice,2000,18(1):6-10. |
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| Authors: | WANG He-wu ZHOU Long-bao JIANG De-ming HUANG Zuo-hua |
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| Abstract: | In this paper,the emission characteristics of a direct injection diesel engine fueled with dimethyl ether (DEM) are studied and compared with those of diesel fueled engine. The results show that the engine speed and brake mean effective pressure (BMEP) have great influences on emissions. In comparison with those of the engine fueled with diesel,the NO. emission is decreased significantly,the smoke rate is nearly zero,the CO and the HC emissions are reduced slightly and the HCHO emission is increased. The study demonstrates that DME is an ideal alternative fuel of diesel engine for lower emissions. |
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| Keywords: | Dimethyl ether (DME) Emissions Alternative fuel Diesel engine |
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