Based on theory analysis of metal solidification and hydrodynamics, momentum convection generated by rotating electromagnetic field do not improve feeding obviously.

据金属凝固理论和磁流体力学分析，电磁搅拌力引起的动量对流对补缩的促进作用并不大。

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Electromagnetic casting (EMC) is an original material processing technology and a comprehensive subject based on magneto-hydrodynamics (MHD) and combined with metallurgical engineering.

电磁铸造技术是建立在电磁流体力学基础上，并与冶金工程相结合的先进材料加工方法。

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