電磁気力を利用した溶融金属鉛直自由端面保持に関するモデル実験

概要

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In order to make use of the electromagnetic force to confine molten metal at the side edges in a twin roll caster, the model experiment of an electromagnetic dam, where the vertical free surface of molten metal is held without any contact with a solid wall, has been conducted. The electromagnetic dam makes use of the electromagnetic force induced by a static magnetic field and a direct electric current. In order to study the effects of operating variables such as imposed electric current, imposed magnetic field, and the imposing direction of magnetic field on the stability of the free surface of molten metal, a static model experiment with no metal flow has been conducted by use of molten Gallium. The theoretical results derived in the previous paper have been confirmed by experimental ones that the better stability are found in the condition with the less electric current, the stronger magnetic field, and the magnetic field parallel to the direction of a wave vector in this paper. The feasibility study for confining molten steel in the twin roll caster has been theoretically predicted that the horizontal magnetic field is superior to the vertical one.
社団法人日本鉄鋼協会の論文
1994-05-01