(1. 江苏大学 材料学院,镇江 212013;2. 上海大学 材料学院,上海 200072)
摘 要:
关键字: 电磁软接触连铸;高频电磁场;数值模拟
(1. School of Materials, Jiangsu University, Zhenjiang 212013, China;2. School of Materials, Shanghai University, Shanghai 200072, China)
Abstract:Based on electromagnetism theory, a physical and mathematical model of electromagnetic continuous casting was developed through ANSYS software. The distribution of magnetic induction density (B) in the coil was measured through the little coil method. By comparing the measured value with the calculated results, the validity of calculating the electromagnetic field through the model was proved. The ununiformity of B distribution in slit mould was analyzed. The results show that the effect of slit on the B distribution in the area with radius smaller than 25 mm is unconspicuous, and the ununiformity of B distribution in the area close to the mould wall is much remarkable. The effect of distance between coil circles on the B distribution was also studied. The results show that the magnetic induction density increases by decreasing the distance between coil circles, and the better distance between cow circles is 5−10 mm.
Key words: electromagnetic soft contact continuous casting; high frequency electromagnetic field; numerical simulation