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Scaling solution and n dependance of the eddy current distribution in a flat superconductor

Abstract : In this paper we propose an approximate analytical solution of the problem of nonlinear diffusion of the current density in a HTS superconducting plate with current transport. It is obtained by the technique of the self-similar solution. The construction of this solution highlights a characteristic time of penetration Tp whose limit for large n is the model of Bean. We compare our solution to the ones obtained using COMSOL multiphysics. We study the influence of variation of the magnetic induction on the time penetration and the influence of the n factor on the time penetration.
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Contributor : Abelin Kameni Ntichi <>
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Abelin Kameni, D Netter, S Mezani, Bruno Douine, Jean Lévêque. Scaling solution and n dependance of the eddy current distribution in a flat superconductor. IEEE Transactions on Applied Superconductivity, Institute of Electrical and Electronics Engineers, 2010, 20 (4), pp. 2248 - 2254. ⟨10.1109/TASC.2010.2047643⟩. ⟨hal-01236740⟩

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