k～ε紊流数学模型应用于河道冲刷模拟初探  

Application of k～εTurbulence Mathematical Model in Simulation of Riverbed Scouring

作　　者：夏勇[1] 彭玮[1] 石江涛[1] 

机构地区：[1]国家电力公司成都勘测设计研究院,四川成都610072

出　　处：《水电站设计》2002年第1期36-39,共4页Design of Hydroelectric Power Station

基　　金：教育部"跨世纪人才培养计划基金"项目部分内容

摘　　要：对三维贴体坐标k～ε紊流数学模型应用于泄洪洞出口下游河道冲刷模拟进行了初步探讨 ,计算成果可以定性分析下游河道冲刷程度 。A new consideration to simulate the riverbed scouring caused by deflecting jet is introduced by use of 3 d k～ε turbulence mathematical model with the body fitted coordinate.Thus the riverbed scouring degree could be qualitatively analyzed,which helps for reasonable design of bucket type of spillway tunnel outlet and safety measure of downstream river channel.

关 键 词：数学模型 河道冲刷 紊流 消能工 高速水流 

分 类 号：TV147[水利工程—水力学及河流动力学]