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FEM Analysis of Current and Field Distributions in a Current Carrying Superconductor Thin Strip in DC Magnetic Field

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FEM Analysis of Current and Field Distributions in a Current

Carrying Superconductor Thin Strip in DC Magnetic Field

J. Yoo, H. Y. Lee, K. Kwak, S. Lee, S. M. Lee, Y.H. Jung,

J. Rhee, K. W. Han, and D. Youm,

a Korea Advanced Institute of Science and Technology, Daejeon, Korea

The numerical analysis on electromagnetic phenomena of a thin strip high Tc superconductor (HTSC) with time varying external current in perpendicular magnetic field were performed by a finite element method (FEM). The E-J power law and H-formulation is used to calculate the current distribution and electromagnetic field in a HTSC. This numerical method is based on the partial differential equations time dependently. Some of the numerical calculations were compared with the data experimentally obtained using a scanning Hall probe method.

Keywords : current distribution, High Tc superconductor, finite element method

This work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (KRF-2007-313-C00201)

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