基于二维水动力学模拟弯道河段进水河道水力流态研究  

Hydraulic Flow Patterns in Intake Channels of Curved River Sections Based on Two-Dimensional Hydrodynamic Simulation

作　　者：李少华 LI Shaohua(Design Institute of Water Conservancy&Hydropower,Huzhou 313005,China)

机构地区：[1]湖州南太湖水利水电勘测设计院有限公司,浙江湖州313005

出　　处：《中国水能及电气化》2024年第10期23-27,共5页China Water Power & Electrification

摘　　要：弯道河段进水河道地形复杂、水流湍急,导致其水流流态分析变得极为复杂。文章通过划分弯道河段进水河道网格和二维水动力学模型的设计计算,确定了水流流态边界条件以及断面流速均匀度,以此实现弯道河段进水河道水流流态分析。测试结果表明:基于二维水动力学模型对监测点1的水流流态分析结果为,最大流速为2.25m/s,流速平均为1.8m/s,结果符合实际情况。证明基于二维水动力学模型的弯道河段进水河道水流流态研究能够精确模拟弯道河段的水流运动,有助于深入理解弯道河段的水流特性。The complex topography and rapid water flow of intake channels in curved river sections make the analysis of hydraulic flow patterns highly challenging.By dividing the mesh of the intake channel in the curved river section and designing calculations for the two-dimensional hydrodynamic model,the boundary conditions of the hydraulic flow patterns and the uniformity of cross-sectional flow velocity were determined,thereby achieving the analysis of hydraulic flow patterns in the intake channel of the curved river section.The test results indicate that the hydraulic flow pattern analysis for monitoring point 1,based on the two-dimensional hydrodynamic model,shows a maximum flow velocity of 2.25m/s and an average flow velocity of 1.8m/s,which are consistent with actual conditions.This demonstrates that the study of hydraulic flow patterns in intake channels of curved river sections based on a two-dimensional hydrodynamic model can accurately simulate the water flow movement in curved river sections,aiding in a deeper understanding of the hydraulic characteristics of curved river sections.

关 键 词：二维水动力学模型 进水河道 水流流态 断面流速 

分 类 号：TV85[水利工程—水利水电工程]