| 基于CFD的车载高压气动减压阀流场分析 |
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| 引用本文： | 訚耀保,沈力,赵艳培,戴瑛.基于CFD的车载高压气动减压阀流场分析[J].流体机械,2010,38(1). |
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| 作者姓名： | 訚耀保 沈力 赵艳培 戴瑛 |
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| 作者单位： | 同济大学,上海,200092 |
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| 基金项目： | 国家“863”高科技计划项目(2007AA05Z119);;国家自然科学基金项目(50775161) |
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| 摘 要： | 对某氢能源汽车两级高压气动减压阀进行了流场分析。首先分析了车载两级高压气动减压阀的工作过程,采用CFD(计算流体动力学)方法并利用Gambit及Fluent软件研究了阀腔内部的压力场和速度场分布,分析了两个阀口的减压作用,速度场分析结果表明阀内最高流速发生在阀口附件且偏下游的位置。
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| 关 键 词： | 气动 减压阀 流场 CFD 氢能源汽车 |
Research on Flow Field of High Pressure Reducing Valve of Hydrogen Vehicle Based on CFD |
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| YIN Yao-bao,SHEN Li,ZHAO Yan-pei,DAI Ying.Research on Flow Field of High Pressure Reducing Valve of Hydrogen Vehicle Based on CFD[J].Fluid Machinery,2010,38(1). |
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| Authors: | YIN Yao-bao SHEN Li ZHAO Yan-pei DAI Ying |
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| Affiliation: | Tongji University/a>;Shanghai 200092/a>;China |
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| Abstract: | The flow field of high pressure reducing valve used on hydrogen vehicle was analyzed.The working process of high pressure reducing valve is introduced.By the CFD,Gambit and Fluent analysis,the pressure and velocity flow field are obtained.The effect of the valve ports are analyzed.The maximum velocity of valve appears at somewhere of downstream of the valve port. |
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| Keywords: | pneumatics pressure reducing valve flow field CFD hydrogen vehicle |
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