| 低比例DME/LPG混合燃料对点燃式发动机性能和排放的影响 |
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| 引用本文： | 郭晓宁,张武高,朱磊,张利静,黄震. 低比例DME/LPG混合燃料对点燃式发动机性能和排放的影响[J]. 上海交通大学学报, 2008, 42(1): 101-105 |
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| 作者姓名： | 郭晓宁 张武高 朱磊 张利静 黄震 |
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| 作者单位： | 上海交通大学机械与动力工程学院,上海,200240 |
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| 摘 要： | 在发动机试验台架上初步研究了Santana 2000汽油机燃用w=-5%～15%二甲醚(DME)的DME/LPG(液化石油气)混合燃料时的性能以及排放,分析了混合燃料对汽油机性能的影响.研究结果表明:燃用低比例的DME/LPG混合燃料时,发动机的动力性达到甚至略超过燃用LPG时的水平,有效热效率和燃油经济性都有所改善;点燃式发动机燃用DME/LPG混合燃料后,发动机的CO和HC排放降低,Nox排放增加.低比例DME/LPG混合燃料在点燃式发动机中具有一定的开发潜力.
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| 关 键 词： | 二甲醚 液化石油气 点燃式发动机 发动机性能 排放 比例 混合燃料 点燃式 发动机性能 排放降低 影响 Impact Emissions Engine Performance Fuel 开发潜力 改善 燃油经济性 有效热效率 水平 动力性 结果 分析 液化石油气 二甲醚 |
| 文章编号： | 1006-2467（2008）01-0101-05 |
| 收稿时间： | 2007-01-17 |
| 修稿时间： | 2007-01-17 |
The Impact of DME/LPG Blend Fuel on Spark-Ignition Engine Performance and Emissions |
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| GUO Xiao-ning,ZHANG Wu-gao,ZHU Lei,ZHANG Li-jing,HUANG Zhen. The Impact of DME/LPG Blend Fuel on Spark-Ignition Engine Performance and Emissions[J]. Journal of Shanghai Jiaotong University, 2008, 42(1): 101-105 |
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| Authors: | GUO Xiao-ning ZHANG Wu-gao ZHU Lei ZHANG Li-jing HUANG Zhen |
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| Abstract: | The performance and emissions of spark-ignition engine, which is fueled with DME/LPG blend fuel, were investigated and analyzed. The mass percentage of DME is from 5% to 15% in this study. The test results indicate that, compared with LPG engine, the DME/LPG blend gives out equal or even more power, and both the thermal efficiency and fuel consumption are improved when the test engine operating at full load conditions. Under all the testing conditions, HC and CO emissions of the blend fuel engine are lower than that of the base gasoline engine, while the NO. emission is increased at high load conditions. The DME/LPG blend with less than 15% DME has some application potential for spark-ignition engine. |
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