基于VOF法的坡面薄层流水力特性数值模拟  

Numerical Simulation of Hillslope Sheet Flow Hydraulic Characteristics Based on VOF Method

作　　者：冯美娟[1] 孙三祥[1] 孙移汉[1] 朱建文[1] 

机构地区：[1]兰州交通大学环境与市政工程学院,寒旱地区水资源综合利用教育部工程中心,兰州730070

出　　处：《灌溉排水学报》2013年第2期142-144,共3页Journal of Irrigation and Drainage

基　　金：长江学者和创新团队发展计划项目(IRT 0966)

摘　　要：应用Fluent计算软件,采用VOF方法对坡面薄层流进行自由表面追踪,结合标准k-ε紊流模型模拟了不同粗糙度床面条件下流速、雷诺数、弗汝德数以及阻力系数的沿程变化,并验证了数值模拟方法的正确性。结果表明,数值模拟方法具有可行性,坡面薄层水流表面张力作用不可忽略。The volume of fluid（VOF） method was used to track the free surface of hillslope sheet flow, and flow velocity, Reynolds number, Froude number and resistance coefficient of air-water multiphase flow under different degress of roughness bed were simulated combined with standard k-ε turbulent model using fluent calculation software. The correctness of the numerical simulation method was verified. The results indicated that the method of numerical simulation was feasible and the effect of hillslope sheet flow surface tension could not be ignored.

关 键 词：坡面薄层流 VOF方法 粗糙床面 k-ε模型 表面张力 

分 类 号：TV131[水利工程—水力学及河流动力学]