The rule of magnetic induction density, induced eddy current and electromagnetic force varied with high frequency sine exciting current was investigated.
利用瞬态分析方法，研究高频正弦激励电流密度在结晶器内钢液中产生的磁感应强度、感应电流及电磁力的变化规律。
The relationship between current density and magnetic induction intensity in the damping passage is obtained.
得到电流密度与阻尼器通道处磁感应强度之间的关系。
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