基于节能目标的泵站进水池体形优化设计  

Rational Design of the Pump Sump for Efficiency

作　　者：史志鹏[1,2] 张根广[2] 刘家春[1] 张子贤[1] 何婷婷[1] 宋莉 SHI Zhipeng ZHANG Genguang LIU Jiachun ZHANG Zixian HE Tingting SONG Li(Jiangsu Vocational Institute of Architectural Technology, Xuzhou 221116, China College of Water Resources and Architectural Engineering, Northwest A ＆ F University, Yangling 712100, China Xuzhou Zhengyuan Water Conservancy Construction Engineering Testing Center, Xuzhou 221135, China)

机构地区：[1]江苏建筑职业技术学院,江苏徐州221116 [2]西北农林科技大学水利与建筑工程学院,陕西杨凌712100 [3]徐州市正源水利建筑工程检测中心,江苏徐州221135

出　　处：《人民黄河》2017年第9期86-89,共4页Yellow River

基　　金：国家自然科学基金资助项目(51279170);住房和城乡建设部2015年科学技术项目(2015-K7-009);江苏省教育厅"青蓝"工程资助项目(2016);江苏省住房和城乡建设厅科技计划项目(2016ZD80);江苏建筑职业技术学院自然科学基金资助项目(JYA316-02)

摘　　要：泵站进水池体形的优化是提高泵站效率的重要措施之一。结合泵站设计规范,建立多个进水池模型,通过CFD方法,采用ANSYS15.0软件对各模型进行数值模拟,预测了吸水管内涡核的位置,分析了进水池内流态、流速分布规律及吸水管内流速分布规律。结果表明,当后壁距和侧墙距合理时,吸水管内的涡核属于水下涡第一类即涡流型,在可接受范围之内,同时后壁距和侧墙距分别定为1.1D(D为水泵吸水喇叭口直径)和1.25D是可行的;隔墩对调节进水池内的流速分布、改善水流条件具有一定的作用。Rational design of the pump sump is one of the most important measures to improve the pump efficiency. According to the Pump Design Specification, the pump sump models were designed and they were simulated based on ANSYS15.0 and CFD. The positions of vortices were predicted and the streamlines, the velocity distributions of pump and suction pipe were examined. The results show that the vortex core of suction pipe belongs to the swirl which is accepted if the distances between the center of suction pipe to the rear wall and side wall are feasible. In addition, the two distances 1.1D and 1.25D are feasible respectively and the division pier is useful to the flow pattern and velocity distributions in pump sump.

关 键 词：泵站进水池 CFD 涡核 隔墩 流场 

分 类 号：TV131[水利工程—水力学及河流动力学]