Three-dimensional CFD simulation of inlet structure flow in pumping station based on Eulerian solid- liquid two-phase flow model  

作　　者：Mi Zihao Zhou Daqing Mao Yuanting 

机构地区：[1]College of Energy and Electrical Engineering, Hohai University, Nanjing, Jiangsu 210098, China [2]Xi'an Thermal Power Research Institute Co. Ltd. , Xi'an, Shaanxi 710032, China [3]Institute of Hydroelectrical Investigation and Design, SPC, Chengdu, Sichuan 610072, China

出　　处：《排灌机械工程学报》2015年第6期494-498,共5页Journal of Drainage and Irrigation Machinery Engineering

基　　金：Chinese National Foundation of Natural Science-Key Projects(51339005)

摘　　要：Sediment deposition in the pumping station has a huge negative impact on unit operation.The three-dimensional CFD method has been used to simulate inlet structure flow in pumping station based on the Eulerian solid- liquid two-phase flow model. The numerical results of the preliminary scheme show that sediment deposition occurs in the forebay of pumping station because of poor flow pattern therein. In order to improve hydraulic configuration in the forebay,one modified measure reconstructs water diversion weir shape,and another measure sets a water retaining sill in the approach channel. The simulation results of the modified scheme prove that back flow in the forebay has been eliminated and the sediment deposition region has also been reduced.Sediment deposition in the pumping station has a huge negative impact on unit operation.The three-dimensional CFD method has been used to simulate inlet structure flow in pumping station based on the Eulerian solid- liquid two-phase flow model. The numerical results of the preliminary scheme show that sediment deposition occurs in the forebay of pumping station because of poor flow pattern therein. In order to improve hydraulic configuration in the forebay,one modified measure reconstructs water diversion weir shape,and another measure sets a water retaining sill in the approach channel. The simulation results of the modified scheme prove that back flow in the forebay has been eliminated and the sediment deposition region has also been reduced.

关 键 词：pumping station FOREBAY sediment deposition Eulerian two-phase flow model 

分 类 号：S277.9[农业科学—农业水土工程]