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Effects of an Axial Magnetic Field on Thermocapillary Convection in Detached Solidification
Author(s): 
Pages: 737-740
Year: Issue:  5
Journal: Journal of Engineering Thermophysics

Keyword:  分离结晶 轴向磁场 碲锌镉 热毛细对流 微重力;
Abstract: 为了了解磁场对分离结晶过程中熔体内热毛细对流的影响,利用有限差分法进行了数值模拟。假定熔体为不可压缩流体,熔体深径比为1,自由表面无因次宽度为0.1,研究了哈特曼数分别为0、25、50和75时的碲锌镉晶体生长过程。结果表明:轴向磁场能够抑制熔体内部的流动,并随磁场强度的增加,抑制作用增强。
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