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

Autor: Mohamed Lotfi Khene, Lotfi Alloui, Frédéric Bouillault, S.M. Mimoune, Mouloud Feliachi
Přispěvatelé: Laboratoire de génie électrique de Paris (LGEP), Université Paris-Sud - Paris 11 (UP11)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Ecole Supérieure d'Electricité - SUPELEC (FRANCE)-Centre National de la Recherche Scientifique (CNRS)
Jazyk: angličtina
Rok vydání: 2014
Předmět:
Zdroj: European Physical Journal: Applied Physics
European Physical Journal: Applied Physics, 2014, 66 (1), pp.10601. ⟨10.1051/epjap/2014130479⟩
European Physical Journal: Applied Physics, EDP Sciences, 2014, 66 (1), pp.10601. ⟨10.1051/epjap/2014130479⟩
ISSN: 1286-0042
1286-0050
DOI: 10.1051/epjap/2014130479⟩
Popis: International audience; 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.
Databáze: OpenAIRE