| FAI二冲程缸内直喷汽油机的研究 |
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| 引用本文： | 蔡晓林,杨延相,张平,刘昌文,郗大光,尤兵. FAI二冲程缸内直喷汽油机的研究[J]. 内燃机学报, 2004, 22(2): 129-135 |
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| 作者姓名： | 蔡晓林 杨延相 张平 刘昌文 郗大光 尤兵 |
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| 作者单位： | 天津大学,机械工程学院,天津,300072;天津内燃机研究所,天津,300072 |
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| 摘 要： | 基于AX～100二冲程化油器式发动机进行了FAI(Free Armature Injection自由电枢喷射)缸内直喷二冲程发动机的台架试验研究，在原机的基础上设计改造了一个适合缸内直喷的燃烧室结构，获得了大量的缸内直喷的试验数据和电控参数的MAP图，并做了该直喷发动机和原化油器发动机的性能、燃油消耗和HC排放的比较。结果表明，FAI直喷技术能够成功地应用于二冲程发动机缸内直喷系统，极大改善了燃油短路的现象和扫气效率，在整个运行范围内燃油消耗大大降低，HC排放改善很多。
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| 关 键 词： | 缸内直喷 FAI喷射 二冲程发动机 燃油消耗 排放 |
| 文章编号： | 1000-0909(2004)02-0129-07 |
| 修稿时间： | 2003-09-18 |
Study on FAI Two-Stroke DISI Engine |
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| CAI Xiao-lin,YANG Yan-xiang,ZHANG Ping,LIU Chang-wen,XI Da-guang,YOU Bing. Study on FAI Two-Stroke DISI Engine[J]. Transactions of Csice, 2004, 22(2): 129-135 |
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| Authors: | CAI Xiao-lin YANG Yan-xiang ZHANG Ping LIU Chang-wen XI Da-guang YOU Bing |
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| Affiliation: | CAI Xiao-lin~1,YANG Yan-xiang~2,ZHANG Ping~1,LIU Chang-wen~1,XI Da-guang~2,YOU Bing~1 |
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| Abstract: | This paper introduces the research of the FAI (Free Armature Injection) two-stroke DISI engine modified from a carburetor two-stroke gasoline engine AX-100 in details.A combustion chamber meeting to the fuel direct injection technology was developed and a large amount of raw data and MAP of the electronic control parameters were obtained.Moreover,the comparisons in power,fuel consumption and emission were conducted.The results showed that the FAI direct injection technology could be successfully applied to the two-stroke engine,eliminating short-circuiting phenomenon and improving the scavenge efficiency.Fuel economy and exhaust emissions over the whole operating range were improved greatly. |
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| Keywords: | Direct injection FAI injection Two-stroke engine Fuel consumption Emission |
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