针对无菌饮料灌装中铝箔基复合包装材料有选择性局部封合的需要,建立其高频感应封合系统电磁场的3D有限元数值模型,并对不同参数条件下铝箔上的涡流分布和大小进行分析,为铝箔基高频感应封合系统中封合装置的设计提供基础.%For the need of local and selective induction sealing of aluminum foil based composite packaging material, the 3D finite element numerical model for sealing electromagnetic field of high frequency induction sealing system was founded. The influences of different factors to eddy current distribution on aluminum foil were studied and analyzed. These analyses and simulations are the foundations of the design of induction sealing apparatus of sealing system.
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