平面闸门启闭过程中的动水垂直力数值模拟研究

Numerical Simulation of Hydrodynamic Vertical Force during Plane Gate Opening and Closing Process

动水垂直力是影响闸门启闭力的重要因素,为准确计算闸门启闭力采用RNGk-ε方程紊流模型与物体移动模型(GMO)相结合的方法,对平面闸门启闭过程中的动水垂直力进行了数值模拟研究,以积石峡水电站泄洪洞闸门为例,分析了闸门不同底缘型式和不同启闭速率在闸门启闭过程中对动水垂直力的影响及动水垂直力在闸门启闭过程中的变化规律。

Hydrodynamic vertical force has a great influence on opening and closing force.In order to calculate opening and closing force,combination of renormalized group（RNG） turbulence model and general moving object model（GMO） is used to simulate hydrodynamic vertical force.Taking flood diversion sluice of Jishixia hydropower station for an example,it analyzes the influence of different gate bottom shapes and the variety of speed in process of opening and closing on hydrodynamic vertical force,and the change rules of the hydrodynamic vertical force in opening and closing process is also analyzed.