| 电喷汽油机循环变动的测量分析 |
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| 引用本文： | 程勇,王建昕,庄人隽,杨涛,吴波,张立梅.电喷汽油机循环变动的测量分析[J].汽车工程,2002,24(1):37-40. |
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| 作者姓名： | 程勇 王建昕 庄人隽 杨涛 吴波 张立梅 |
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| 作者单位： | 1. 清华大学,汽车安全与节能国家重点实验室
2. 山东大学 |
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| 基金项目： | 清化大学汽车安全与节能国家重点实验室开放基金项目资助39915005，北京市科委重点项目954062400。 |
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| 摘 要： | 本文在EQ491汽油机上测取了电喷改装前后的示功图，经过对比分析认为：随负荷及转速增加，燃烧循环变动降低；在空燃比一致时，电喷汽油机与化油器式汽油机的燃烧循环变动一致。论文还对在怠速工况燃烧循环变动进行了统计分析。
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| 关 键 词： | 电喷汽油发动机 循环变动 测量分析 汽车 |
The Measurement and Analysis of Cyclic Variability on an Electronically Injection Gasoline Engine |
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| Cheng Yong,Wang Jianxin,Zhuang Renjun & Yang TaoTsinghua University,State Key Laboratory of Automotive Safety and EnergyWu Bo & Zhang Limei Shandong University.The Measurement and Analysis of Cyclic Variability on an Electronically Injection Gasoline Engine[J].Automotive Engineering,2002,24(1):37-40. |
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| Authors: | Cheng Yong Wang Jianxin Zhuang Renjun & Yang TaoTsinghua University State Key Laboratory of Automotive Safety and EnergyWu Bo & Zhang Limei Shandong University |
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| Abstract: | This paper measured the indicator diagrams on an EQ491 gasoline engine both equipped electronically injection system and carburetor.The results show that the combustion cyclic variability is decreasing with the load and speed increasing,and under the same air-fuel ratio, the cyclic variability of gasoline injection engine is similar to that of the gasoline carburetor engine.This paper also discussed the combustion cyclic variability at idle condition. |
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| Keywords: | Electronically injection Gasoline engine Cyclic variability |
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