在板坯连铸过程中由于水口吹氩,结晶器内的流场本质上是一个气-液两相流,如何通过磁场等手段优化结晶器内的流场结构改善铸坯质量,是个非常重要的问题.利用水银和氮气作为模拟介质,采用电阻探针研究气泡在结晶器内有、无磁场条件下的统计规律.实验表明,施加磁场后,水口附近的气泡占空比和气泡数量明显增加,减少了结晶器窄面附近的气泡分布.同样气体流量下,施加磁场后气泡占空比总和与无磁场条件下相比明显要大.
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