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采用k ε双方程模型封闭的Navier stokes方程描述铝电解槽内熔体的湍流流动。对于 2 0 0kA、160kA与 80kA三种不同进电方式的铝电解槽以及具有不同槽膛内形的 160kA槽 ,在磁场、热场解析的基础上 ,计算出相应工况下动量方程中的源项 ,即洛仑兹力 ,并对稳定状态下熔体的三维流场进行了数值计算。计算结果表明 ,在模拟工况条件下 ,铝液流动在 2 0 0kA槽内呈现出四个旋涡 ,在 160kA与 80kA槽内呈现出两个旋涡 ;不同的进电方式与槽膛内形对熔体的运动方式均有显著影响
The turbulent flow of the melt in the aluminum reduction cell is described by the Navier stokes equation closed with the k ε two-equation model. For the 200kA, 160kA and 80kA three kinds of different access to the electrolytic cell and with different slot shape 160kA slot, based on the magnetic field and thermal field analysis, calculate the corresponding conditions of momentum equation Term, Lorentz force, and the three-dimensional flow field of the melt under steady state is numerically calculated. The calculated results show that the flow of molten aluminum shows four vortices in the tank of 200kA and two vortices in the tank of 160kA and 80kA under simulated working conditions. Body movements have a significant impact