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讨论了在电磁场的作用下，铸造区内铝熔体的能量传输过程和原因。分析了电磁场在这段区域中的形态和能量对铝熔体形核结晶所产生的影响。阐叙了电磁场作用在层流区、过渡区和湍流区的不同作用效果和作用机理
The energy transfer process and reasons of aluminum melt in casting zone are discussed under the action of electromagnetic field. The effect of the shape and energy of the electromagnetic field in this region on the nucleation of aluminum melt nuclei was analyzed. The different effects and mechanism of action of electromagnetic field on laminar flow, transitional zone and turbulent flow area are described