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新型旋转电磁热机流体流动与传热的耦合计算与实验

, PP. 291-297

Keywords: 旋转电磁热机,轴向磁场,有限体积法,温度场

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Abstract:

针对一种新型旋转电磁热机内部流体流动和传热的特点,建立了其三维流体流动和传热耦合计算的物理模型和数学模型,利用经验公式确定了热机内部气隙的等效导热系数以及各部件表面散热系数,采用有限体积法对热机内部的流体流动与传热进行耦合仿真计算,确定了热机在不同工作条件下的出水温度及内部温度分布.搭建了基于该热机的热水升温实验平台并进行实验测试,并将耦合场的数值计算结果与实验测试结果进行对比分析,为热机的结构设计,优化,及合理稳定运行提供必要的理论和实验依据.

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