板坯连铸结晶器内全幅两段电磁制动弯月面形状的数值模拟

Numerical simulasion on molten steel flow and meniscusshape in slab mold under two static magneticfields imposed on whole width

本文建立了全幅两段磁场结晶器钢水流动模型,采用‘Simple’算法,进行钢水流动及弯月面形状的数值模拟。计算结果表明,全幅两段磁场可以有效地制动高速流股,使钢水形成均匀的活塞式流动;并且有效地控制弯月面的波高,从而改善板坯质量并提高拉速。

The numerical simulations on molten steel flow and meniscus shape in slab mold under two static magnetic fields imposed on whole width are given in this paper. Computational results show that the two static magnetic fields can effectively brake high speed molten steel jets and control deformation of the meniscus.