排灌机械工程学报
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排灌机械工程学报  2010, Vol. 28 Issue (3): 233-237    DOI: 10.3969/j.issn.1674—8530.2010.03.012
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基于Fluent的贯流泵数值模拟
郑源, 刘君, 陈阳, 李玺, 杨雪林
(河海大学 水利水电工程学院, 江苏 南京 210098)
Numerical simulation of tubular pump based on Fluent
Zheng Yuan, Liu Jun, Chen Yang, Li Xi, Yang Xuelin
(School of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing, Jiangsu 210098, China)
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摘要 为更深入研究贯流泵数值模拟的真实性与准确性,结合上海某双向贯流泵正向模型能量试验数据,选用不同的参数对模型泵进行数值模拟.对具体贯流泵模拟计算过程中参数的设定,如网格划分、计算模型选取以及边界条件设定等进行了比较和分析,观察管路内的压强、流态等特性,选出与试验数据最接近的一种方案,作为贯流泵数值模拟计算的一种参考方案.通过与试验数据比较并观察内部流场流态和压力分布,结果表明,S-A湍流模型比Realizable k-ε紊流模型计算的结果更接近模型试验值;当进口压力值选为0时,数值模拟的效果最好.
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郑源
刘君
陈阳
李玺
杨雪林
关键词贯流泵   数值模拟   性能预测   内部流场   计算流体动力学     
Abstract: For further researching on authenticity and accuracy of the numerical simulation in tubular pump, the numerical simulation in tubular pump was conducted with different parameters. The simulation calculation results were compared with the data of positive energy test of a two-way tubular model pump in Shanghai. In the process of the numerical simulation, the setting of parameters, such as the meshing of grid, the choices of computational model and the boundary conditions were compared and analyzed. The characteristics of pressure and flow pattern were observed. The closest scheme was selected, which might have referential value for tubular pump numerical simulation. The comparisons with test data and the interior pressure distribution and flow pattern show that S-A model is better than Realizable k-ε model. When the pressure of inlet is 0, the numerical simulation with S-A model is proved to be the best.
Key words tubular pump   numerical simulation   performance prediction   interior flow field   computational fluid dynamics   
收稿日期: 2009-10-25; 出版日期: 2010-05-30
基金资助:

"十一五"国家科技支撑计划重大项目(2006BAB04A03)

通讯作者: 郑源(1964-),男,山东日照人,教授,博士生导师(zhengyuan@hhu.edu.cn),主要从事流体机械、水利水电工程的研究.    
作者简介: 刘君(1984-),男,河南信阳人,硕士研究生(liujunrr@qq.com),主要从事流体机械、水利水电工程的研究.
引用本文:   
郑源,刘君,陈阳等. 基于Fluent的贯流泵数值模拟[J]. 排灌机械工程学报, 2010, 28(3): 233-237.
ZHENG Yuan,LIU Jun,CHEN Yang et al. Numerical simulation of tubular pump based on Fluent[J]. Journal of Drainage and Irrigation Machinery Engin, 2010, 28(3): 233-237.
 
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