Reference : Magnetic behaviour of a superconducting hollow cylinder subjected to crossed fields: ...
Scientific congresses and symposiums : Poster
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http://hdl.handle.net/2268/217250
Magnetic behaviour of a superconducting hollow cylinder subjected to crossed fields: Experimental and modelling results
English
Fagnard, Jean-François [Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE) >]
Dirickx, Michel [Royal Military Academy, Belgium > > > >]
Vanderbemden, Philippe [Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Capteurs et systèmes de mesures électriques >]
Vanderheyden, Benoît mailto [Université de Liège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Electronique et microsystèmes >]
Sep-2011
No
International
EUCAS 2011 - European Conference on Applied Superconductivity
from 18-09-2011 to 23-09-2011
[en] Bulk superconductors ; Crossed fields
[en] Experiments are carried out to study the decay of the axial magnetization of a hollow cylinder subjected to a transverse magnetic field varying with a low frequency (a “crossed-fields” configuration). The measured sample is a Bi-2223 cylinder immersed in a bath of liquid nitrogen (T = 77 K). The transverse field is applied with a sinusoidal or a triangular waveform and with a single or a double polarity. Flux-creep effects are subtracted from the magnetization decay. The magnetic induction at the centre of the cylinder is characterized as a function of time; the features of its decay are related to magnetic shielding measurements in either an axial or a transverse configuration. A numerical FEM model is performed on a hollow cylinder with a small aspect ratio to investigate the distribution of the superconducting currents as a function of time.
http://hdl.handle.net/2268/217250

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