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Three-dimensional eddy current analysis of induction melting in cold crucibles

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4 Author(s)
Tsuboi, H. ; Dept. of Inf. Eng., Fukuyama Univ., Japan ; Tanaka, M. ; Kobayashi, F. ; Misaki, T.

In order to reduce computer resources for the analysis of the eddy current distribution of cold crucible models, the authors used a current sheet approximation for the eddy current distribution because the penetration depth of the eddy current is relatively small in comparison with the dimension of the conducting bodies. The eddy current distributions approximated by current sheets are solved by an integrodifferential method using an electric vector potential. Furthermore, the magnetic flux density, power loss, Lorentz force, and lifting force of the molten metals are obtained from the solved eddy current distribution. The calculated results for the power loss and the Lorentz force gave good agreement with experimental results

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Magnetics, IEEE Transactions on  (Volume:29 ,  Issue: 2 )