| 进气管内EGR分布的CFD模拟计算 |
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| 引用本文： | 王一江,董尧清.进气管内EGR分布的CFD模拟计算[J].汽车技术,2011(1). |
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| 作者姓名： | 王一江 董尧清 |
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| 作者单位： | 1. 同济大学;一汽解放公司无锡柴油机厂
2. 同济大学 |
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| 摘 要： | 对于采用EGR技术路线的多缸柴油机,EGR在各缸均匀分布可以确保燃烧质量,降低裸机排放。建立了某六缸国ⅣEGR柴油机进气管三维模型,采用一维和三维模拟软件相结合,对EGR在进气管内的分布进行了流动机理的模拟分析,评估了EGR各种导入方案以及进气管相关零部件结构设计对EGR和空气混合的影响。对模型进行了CFD稳态计算,研究了4种节气门位置对EGR和空气混合的影响。
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| 关 键 词： | 进气管 EGR分布 CFD |
CFD Simulation of EGR Distribution in the Intake Manifold |
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| Wang Yijiang,Dong Yaoqing.CFD Simulation of EGR Distribution in the Intake Manifold[J].Automobile Technology,2011(1). |
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| Authors: | Wang Yijiang Dong Yaoqing |
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| Institution: | Wang Yijiang1,2,Dong Yaoqing1(1.Tongji University,2.FAW Jiefang Wuxi Diesel Engine Works) |
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| Abstract: | For multi-cylinder diesel engine with EGR technology,even distribution of EGR in each cylinder can ensure good combustion quality and less raw emission.The intake manifold 3D model of a real 6-cylinder China IV EGR diesel engine was established,and combined with 1D and 3D simulation software to simulate and analyze the flow mechanism of EGR distribution in the intake manifold,and assess the effect of different EGR introduction plans and structure design of related components of the intake manifold on EGR an... |
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| Keywords: | Intake Manifold EGR distribution CFD |
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