| 论火花点火发动机怠速循环变动的影响因素 |
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| 引用本文： | 颜孝勇.论火花点火发动机怠速循环变动的影响因素[J].汽车实用技术,2014(5):86-90. |
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| 作者姓名： | 颜孝勇 |
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| 作者单位： | 陕西通家汽车股份有限公司,陕西西安710200 |
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| 摘 要： | 在怠速时,评价火花点火发动机的进气混合物的循环变动程度和它们对平均指示压力的影响。通过一组进气紊流实验来确定发动机输出参数的灵敏度,然后通过灵敏度矩阵,将怠速时观察到的发动机输出变化转化为进气变化来分析。
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| 关 键 词： | 发动机 怠速 循环变动 |
The study on the impact Factors of the Iding Cyclical Variation of Spark Ignition Engine |
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| Authors: | Yan Xiaoyong |
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| Institution: | Yan Xiaoyong (Shaanxi Tongjia Automobile C o., Ltd, Shaanxi Xi＇ an 710200) |
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| Abstract: | The extent of cycle-to-cycle variation of charge composition and their contributions to the variationsin Gross Indicated Mean Effective Pressure in a spark ignition at idle are assessed. The methodology is to use aset of charge composition variations. Then through this sensitivity matrix, the observed engine output variationat idle are inverted to obtain the charge variations. |
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| Keywords: | engine idle cycle-to-cycle variation |
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