| 柴油机多级并联文丘里管进气系统 |
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| 引用本文： | 郑伟,张振东,薛光明.柴油机多级并联文丘里管进气系统[J].车用发动机,2012(1):19-22. |
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| 作者姓名： | 郑伟 张振东 薛光明 |
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| 作者单位： | 上海理工大学 |
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| 摘 要： | 为了最大限度地降低NOx排放,进行了利用多级并联式文丘里管进气系统提高柴油机EGR率的研究.通过理论计算和模拟试验的方法对各个文丘里管的结构参数和通道开通数的排列组合进行了优化,分析了不同结构参数和排列组合对柴油机工作参数的影响,特别是对EGR率的影响.结果表明,柴油机在采用多级并联式文丘里管进气系统后,有效提升了EG...
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| 关 键 词： | 柴油机 可变进气 文丘里管 EGR率 |
Research on Multi-parallel Venturi Intake System for Diesel Engine |
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| ZHENG Wei,ZHANG Zhen-dong,XUE Guang-ming.Research on Multi-parallel Venturi Intake System for Diesel Engine[J].Vehicle Engine,2012(1):19-22. |
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| Authors: | ZHENG Wei ZHANG Zhen-dong XUE Guang-ming |
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| Institution: | (Uniersity of Shanghai for Science and Technology,Shanghai 200093,China) |
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| Abstract: | In order to reduce NOx emissions as much as possible,the multi-parallel venturi intake system was studied to increase the EGR rate.By the theoretical calculation and simulation test,the structure parameters and the permutation and combination of opening channel were optimized,and the influences of different structural parameters and different permutation and combination on diesel engine operating parameters,especially EGR rate,were analyzed.The result shows that the new intake system can increase the EGR rate effectively and reduce NOx emissions significantly. |
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| Keywords: | diesel engine variable intake venturi pipe EGR rate |
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