基于CFD的KYF浮选机气—液两相流分析与探讨—KYF浮选机流场测试与仿真研究(四)  

Analysis and Discussion of Gas-Liquid Two Phases Flow Field of KYF Flotation Machine Based on CFD——Flow Field Measurement and Simulation Research on KYF Flotation Machine (Ⅳ)

作　　者：沈政昌[1] 卢世杰[1] 史帅星[1] 陈东[1] 杨丽君[1] 

机构地区：[1]北京矿冶研究总院矿物加工科学与技术国家重点实验室,北京100160

出　　处：《有色金属（选矿部分）》2013年第4期59-63,共5页Nonferrous Metals（Mineral Processing Section）

基　　金：国家自然科学基金面上项目资助(51074027)

摘　　要：研究了标准k-ε方程、RNG k-ε方程和标准k-ω方程三类湍流控制方程下KYF-0.2浮选机的气液两相流场。不同的模型参数条件会直接影响流场中流体的分布特性。在三个不同湍流控制方程下,曳力模型参数取值的不同对流场的影响不一。比较了提升力等非曳力模型,认为Grace曳力模型的流场中流场分布更吻合观察到的流场特征。The gas-liquid two phase flow field of KYF-0.2 flotation machine is investigated by three types of turbulent flow control equation,the standard k-ε equation,RNG k-ε equation and standard k-ω equation.The distribution characters of flow field are directly affected by different model parameters.The effect of different drag model parameters on flow field is different under three different turbulent flow control equation.Compared with non-drag model such as lift force parameters,it is demonstrated that the flow field distribution with Grace drag model much more matches with the observed flow field characters.

关 键 词：浮选机 CFD 气—液两相 流场分析 

分 类 号：TD456[矿业工程—矿山机电] TD923