Distribution of Magnetic Field in Electromagnetic Casting
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摘要: 用自制線圈探頭測定了電磁鑄造單錠和雙錠系統冷態模型的磁場分布規律,并用互感耦合模型對磁場進行了數值計算。實驗和計算結果表明:互感耦合模型是合理的,是理論分析磁場的1種有效方法。磁場除角部因疊加效應較高外,在鑄錠其他區域分布均勻。對于雙錠系統,當兩錠間的距離大于15cm時,兩錠間的相互影響可以忽略。Abstract: The magnetic field in electromagnetic casting is investigated by experiment on a cold model of caster and numerical calculation. It is concluded that the coupled Circuit Method is effective for computation of magnetic field in EMC. The distribution of magnetic field is uniform around the ingot, except for corner regions. For two-strand EMC unit, the influence of magnetic field of one caster on another is negligible when distance between two casters exceeds 15cm.
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