突扩比对跌扩型消力池消能特征的影响研究  

Study on influence of sudden expansion ratio on energy dissipation characteristics of down-expansion type stilling pool

作　　者：王继东 WANG Ji-dong

机构地区：[1]建昌县水利事务服务中心,辽宁葫芦岛125300

出　　处：《东北水利水电》2023年第4期12-13,17,71,共4页Water Resources & Hydropower of Northeast China

摘　　要：跌扩式消力池的突扩比是影响消力池消能效果和工程量的重要指标,对其进行优化设计具有重要的意义和作用。基于此,文中以具体工程为例,利用数值模拟的方式探讨了突扩比对消力池临底流速、紊动能及消能率的影响,并获得了具体的影响规律,可为类似工程应用提供理论依据。The ratio of sudden expansion is an important index which affects the energy dissipation effect and engineering quantity of the down-expansion type stilling pool.It is of great significance and effect to optimize its design.Based on this,taking a specific project as an example,this paper discusses the effects of sudden expansion ratio on the bottom velocity,turbulent kinetic energy and energy dissipation rate of the tank by numerical simulation,and obtains the specific influence rules,which can provide theoretical reference for similar engineering applications.

关 键 词：消力池 突扩比 消能率 

分 类 号：TV135.21[水利工程—水力学及河流动力学]