Numerical analysis on Joule heating of double-loop channel induction furnaces

被引:0
作者
Tao Zhao
Jie-min Zhou
Jia-zheng Xiong
Yong Li
机构
[1] Central South University,School of Energy Science and Power Engineering
[2] Zhuzhou Torch Industrial Furnace Limited Company,undefined
来源
Journal of Central South University of Technology | 2009年 / 16卷
关键词
numerical simulation; channel induction furnace; Joule heating; power factor;
D O I
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中图分类号
学科分类号
摘要
In order to investigate Joule heating power, a three-dimensional finite element model (FEM) was developed to predict Joule heating power in the channels of double-loop inductor. The simulated results were compared with experimental data from low load trials for a 400 kW inductor. The results, such as power factor and Joule heating power, show reasonable correlation with experimental data, and Joule heating rate reaches the maximum at the corners and the minimum at the centre of the cross-section area. With increasing relative permeability of iron core, length of coils, current frequency and resistivity of metal melt, the power factor and Joule heating power change. It is concluded that current frequency, the resistivity and length of the coil play a critical role in determining the power factor and Joule heating power, whereas relative permeability of the magnetic core shows no significant influence on them.
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页码:851 / 856
页数:5
相关论文
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