Influence of Temperature and/or Field Dependences of the E-J Power Law on Trapped Magnetic Field in Bulk YBaCuO

Temperature, current density and magnetic field distributions in YBCO bulk superconductor during a pulsed-field magnetization (PFM) process are calculated using the finite difference method. Simulations are based on the heat diffusion equation with account of the heat produced by flux motion, and Ma...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2007-06, Vol.17 (2), p.3028-3031
Main Authors: Berger, K., Leveque, J., Netter, D., Douine, B., Rezzoug, A.
Format: Article
Language:English
Subjects:
Applied classical electromagnetism
Bulk YBaCuO
Computer Science
Condensed Matter
COPPER OXIDE
CURRENT DENSITY
Electric power
Electromagnetic fields
Electromagnetic wave propagation, radiowave propagation
Electromagnetism
Electromagnetism
electron and ion optics
Engineering Sciences
Exact sciences and technology
Finite difference method
Finite difference methods
Fundamental areas of phenomenology (including applications)
MAGNETIC FIELD
Magnetic fields
Magnetization
MATHEMATICAL ANALYSIS
Maxwell equations
Maxwell's equations
Modeling and Simulation
modelling
Physics
Power law
stored magnetic energy
Superconducting materials
SUPERCONDUCTIVITY
SUPERCONDUCTORS
Temperature dependence
Temperature distribution
thermal coupling
YBCO superconductors
Yttrium barium copper oxide
YTTRIUM OXIDE
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Description
Summary:Temperature, current density and magnetic field distributions in YBCO bulk superconductor during a pulsed-field magnetization (PFM) process are calculated using the finite difference method. Simulations are based on the heat diffusion equation with account of the heat produced by flux motion, and Maxwell's equations. A power law with temperature and magnetic field dependent parameters is used to characterize the electromagnetic behavior of the superconducting material. We analyze how the stored magnetic energy depends on the temperature and field dependences of the power law.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2007.902095