| 进气道螺旋段结构参数对流动特性影响的研究 |
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| 引用本文： | 孙平,陆文霞,缪岳川,徐毅. 进气道螺旋段结构参数对流动特性影响的研究[J]. 内燃机工程, 2011, 32(1) |
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| 作者姓名： | 孙平 陆文霞 缪岳川 徐毅 |
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| 作者单位： | 1. 江苏大学,汽车与交通工程学院,镇江,212013
2. 常柴股份有限公司,常州,213002 |
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| 基金项目： | 江苏省高校自然科学重大基础研究项目——甲醇发动机燃烧和排放控制中若干基础问题研究(08KJA470001) |
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| 摘 要： | 用CFD软件进行了柴油机螺旋进气道流动特性的三维数值模拟;利用气道稳流试验台验证了模拟计算的准确性,分析了螺旋段的结构参数对流场特性的影响。研究发现:由于螺旋气道结构的复杂性,螺旋段结构参数对气道性能的影响十分复杂,其中,影响较敏感的结构参数为过渡圆半径、蜗壳半径和气门凸台高度。
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| 关 键 词： | 内燃机 柴油机 螺旋进气道 CFD 流动特性 |
Study on Effects of Structure Parameters of Intake Port Helical Section on Flow Characteristics |
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| SUN Ping,LU Wen-xia,MIAO Yue-chuan,XU Yi. Study on Effects of Structure Parameters of Intake Port Helical Section on Flow Characteristics[J]. Chinese Internal Combustion Engine Engineering, 2011, 32(1) |
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| Authors: | SUN Ping LU Wen-xia MIAO Yue-chuan XU Yi |
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| Affiliation: | SUN Ping1,LU Wen-xia1,MIAO Yue-chuan2,XU Yi2(1.School of Automobile and Traffic Engineering,Jiangsu University,Zhenjiang 212013,China,2.Changchai Co.,Ltd.,Changzhou 213002,China) |
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| Abstract: | Three-dimension numerical simulation of flow characteristics of helical intake port was carried out.The CFD numerical simulation method,verified by steady flow test rig,was used to analyze the effects of the helical section structure parameters of intake port on the intake flow characteristics.The results indicate that the helical intake port possesses complex structure,the flow characteristics are affected by many structure parameters of its helical section.Among them,radiuses of transition part and swirl ... |
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| Keywords: | IC engine diesel engine helical intake port CFD flow characteristic |
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