| 离心泵全三维流场的大涡数值模拟 |
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| 引用本文： | 黄思,吴玉林.离心泵全三维流场的大涡数值模拟[J].华南理工大学学报(自然科学版),2006,34(4):111-114. |
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| 作者姓名： | 黄思 吴玉林 |
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| 作者单位： | 1. 华南理工大学,工业装备与控制工程学院,广东,广州,510640
2. 清华大学,热能工程系,北京,100084 |
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| 摘 要： | 通过使用FLUENT软件的大涡模拟模型及多重参考坐标系，计算单级蜗壳式离心泵包括导入管、叶轮及泵壳在内的全三维湍流场．发现泵叶轮内各通道的流量、流速及压力等分布有显著差别，流动呈现明显的非对称性，泵内流动旋涡一般出现在叶轮叶片工作面上．文中还将泵性能的预测值与实测值作了对比，验证了计算结果的有效性．
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| 关 键 词： | 大涡模拟 离心泵 三维计算 FLUENT软件 |
| 文章编号： | 1000-565X（2006）04-0111-04 |
| 收稿时间： | 2005-04-01 |
| 修稿时间： | 2005-04-01 |
Large-Eddy Numerical Simulation of Three-Dimension Flow in Centrifugal Pump |
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| Huang Si,Wu Yu-lin.Large-Eddy Numerical Simulation of Three-Dimension Flow in Centrifugal Pump[J].Journal of South China University of Technology(Natural Science Edition),2006,34(4):111-114. |
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| Authors: | Huang Si Wu Yu-lin |
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| Institution: | 1. College of Industrial Equipment and Control Engineering, South China Univ. of Tech. , Guangzhou 510640, Guangdong, China; 2. Dept. of Thermal Engineering, Tsinghua Univ. , Beijing 100084, China |
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| Abstract: | A three-dimension turbulent flow through all the parts of a single-stage centrifugal pump(such as the inlet pipe,the impeller and the pump volute) is numerically simulated using the large-eddy simulation model of FLUENT software in a multiple reference frame.It is found that the flow rate,the flow speed and the pressure in all passages of the impeller are remarkably different from each other,which means that the flow is obviously asymmetric,and that the vortex and reverse flow mainly takes place at the pressure sides of impeller blades.The efficiency of the calculated results is finally verified by the comparison between the predicted and the measured values. |
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| Keywords: | large-eddy simulation centrifugal pump 3D calculation FLUENT |
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