Bent strips in external magnetic fields and with applied currents
AUTOR(ES)
Cabral, Leonardo R. E., Aguiar, J. Albino
FONTE
Brazilian Journal of Physics
DATA DE PUBLICAÇÃO
2002-09
RESUMO
Current and magnetic field profiles of bent strips in external magnetic fields and with applied currents are numerically calculated. The flat strip is correctly obtained as the limiting case of bent strips when the bend angle is zero. The Meissner response and the flux penetration are studied, the latter under the consideration of high critical currents and small bends. The dependence of these profiles on the creep exponent (by a material relation E alpha (j / jc)n) is also studied. In the presence of an external magnetic field the flux penetration is delayed in bent strips compared with at strips. In the case of an applied current the flux penetration from the strip edge is also delayed, but a flux front starting from the corner is also observed.
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