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Electromagnetic Dam in Twin-Roll Strip Caster

机译:双辊薄带连铸机中的电磁坝

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The electromagnetic dam (EMD) in twin-roll strip caster was simulated with FEM. The results show that the direction and magnitude of Lorentz force distributing in the EMD changed in a period. The negative part is about 30 percent of the positive part, and the acting time of the negative force is about 40 percent of a period. In order to prevent the liquid steel from leaking efficiently, the distance between two poles should be the same from the top to the bottom of the EMD, otherwise the magnetic induction will be very small at the top and large at the bottom.
机译:用有限元法对双辊薄带连铸机的电磁坝(EMD)进行了仿真。结果表明,EMD中的洛仑兹力分布的方向和大小在一段时间内发生了变化。负部分约为正部分的30%,负力的作用时间约为一个周期的40%。为了防止钢水有效泄漏,从EMD的顶部到底部,两个磁极之间的距离应该相同,否则磁感应的顶部将很小,而底部则很大。

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