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Numerical study of thin superconducting plates subjected to transverse magnetic fields
Author(s): Łukasz Tomków
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Paper Abstract

Electromagnetic properties of the superconductors predestine them to serve as materials for the efficient and light magnetic shields. Very high attenuation factors are possible to be obtained. Superconducting elements of different geometry can be used. However, shielding effect is limited by the critical current of a superconductor. This work describes the model of an arbitrarily shaped thin superconducting plates made of BSCCO, with the focus on circular and rectangular samples. The plates are subjected to transverse magnetic fields of different strength and shape. Changes of critical current density are considered. The distribution of the shielded magnetic field and shielding current is presented. Results show that the magnetic field attenuation occurs and depend on the shape and material of a plate. It was also observed that coarse meshes can be used to obtain reliable results concerning magnetic field distribution, thus saving computational time.

Paper Details

Date Published: 14 May 2019
PDF: 8 pages
Proc. SPIE 11054, Superconductivity and Particle Accelerators 2018, 110540G (14 May 2019); doi: 10.1117/12.2525196
Show Author Affiliations
Łukasz Tomków, Wrocław Univ. of Science and Technology (Poland)
Joint Institute for Nuclear Research (Russian Federation)


Published in SPIE Proceedings Vol. 11054:
Superconductivity and Particle Accelerators 2018
Dariusz Bocian; Ryszard S. Romaniuk, Editor(s)

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