3D analysis of applied field effect on trapped magnetic field during pulsed field magnetization of bulk superconductor

Mohamed Lotfi Khene Lotfi Alloui Souri Mohamed Mimoune Frédéric Bouillault 1 Mouloud Feliachi
1 LGEP - Laboratoire de génie électrique de Paris
Abstract : External applied field effect in magnetization process by pulsed field (PFM) method of rectangular bulk superconductor is analysed by solving the A-V magnetic equation coupled to the thermal one in order to show the influence of the amplitude of the external field on the trapped magnetic field of bulk superconductor. A numerical model based on the control volume method (CVM) has been developed, which uses a power-law model with temperature dependency and magnetic field dependence on critical current density. For low cooling temperature Tco = 20 K, a good distribution of the trapped magnetic field of the bulk superconductor is obtained when we applied high external field.
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https://hal-supelec.archives-ouvertes.fr/hal-01104284
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Submitted on : Friday, January 16, 2015 - 2:41:08 PM
Last modification on : Thursday, March 21, 2019 - 2:53:13 PM

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Mohamed Lotfi Khene, Lotfi Alloui, Souri Mohamed Mimoune, Frédéric Bouillault, Mouloud Feliachi. 3D analysis of applied field effect on trapped magnetic field during pulsed field magnetization of bulk superconductor. European Physical Journal: Applied Physics, EDP Sciences, 2014, 66 (1), pp.10601. ⟨10.1051/epjap/2014130479⟩. ⟨hal-01104284⟩

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