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。
2
Electromagnetic casting (EMC) is an original material processing technology and a comprehensive subject based on magneto-hydrodynamics (MHD) and combined with metallurgical engineering.