| 单一贴壁四面体框架绕流场三维数值模拟 |
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| 引用本文： | 高柱,殷杰,唐洪武,郭红民.单一贴壁四面体框架绕流场三维数值模拟[J].水科学进展,2010,21(2):161-166. |
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| 作者姓名： | 高柱 殷杰 唐洪武 郭红民 |
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| 作者单位： | 1.三峡大学水利与环境学院, 湖北, 宜昌, 443002; |
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| 基金项目： | 水文水资源与水利工程科学国家重点实验室开放研究基金，浙江省科技攻关计划重点科研项目，三峡大学科学基金资助项目，国家自然科学基金资助项目 |
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| 摘 要： | 四面体透水框架群作为一种新型的防冲促淤措施已经在各种河流工程中得到推广应用,由于其特殊的几何形状,仅依靠常见的量测手段确定其绕流场结构存在较大困难,使得对该类方法防护机理的理解受到限制。在CFD通用程序Fluent平台上建立三维水动力数值模型,对单一贴壁四面体透水框架的清水流场进行模拟,并与超声测速仪(ADV)实测结果进行对比验证。研究表明该数值模型有效地补充了三维复杂流场的物理实验结果,有助于理解四面体框架的防护机理。改变水力参数,计算得到阻力系数CD相对于雷诺数Re的变化曲线,当Re>105时,单一贴壁四面体框架的阻力系数CD为一常数值,大小为1.557。
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| 关 键 词： | 四面体框架 绕流场 数值模拟 阻力 冲刷防护 |
| 收稿时间： | 2009-03-16 |
Three dimensional numerical simulation of external flow field around tetrahedron frame with a single attached wall |
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| GAO Zhu,YIN Jie,TANG Hong-wu,GUO Hong-min.Three dimensional numerical simulation of external flow field around tetrahedron frame with a single attached wall[J].Advances in Water Science,2010,21(2):161-166. |
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| Authors: | GAO Zhu YIN Jie TANG Hong-wu GUO Hong-min |
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| Institution: | 1.College of Hydraulic & Environmental Engineering, China Three Gorges University, Yichang 443002, China;2.Shanghai Investigation, Design & Research Institute, Shanghai 200434, China;3.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China |
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| Abstract: | The Tetrahedron Frame Groups(TFG) protection method,a new engineering measure to prevent bank erosion and promote sediment deposition,has been widely adopted in many river engineering practices in China.However,due to the unique geometric forms of TFG,it is difficult to measure the external flow in TFG,which limit further understanding about the mechanism of the TFG protection method.A three dimensional(3-D) hydrodynamic model is developed on the platform of the Computational Fluid Dynamics(CFD) platform fl... |
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| Keywords: | tetrahedron frame external flow numerical simulation drag scour protection |
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