使用金属镓液对交变磁场作用下的金属液紊流现象进行了直接观察,并对相应的成因进行了探讨,结果发现交变磁场中磁场分布不均匀是引起紊流的根本原因.提出采用磁场分布不均度参数来衡量磁场不均匀性,该参数的提出为电磁净化器的设计和提高净化效果提供了理论依据.为了探讨控制紊流的方案,还采用了模拟体系,研究了不同截面形状的管型及不同磁感应分布不均度下颗粒的迁移规律,并分析了管型影响紊流形成的原因.
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