Numerical study of thin superconducting plates subjected to transverse magnetic fields
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Authors
Publication Date
2019Journal Title
SUPERCONDUCTIVITY AND PARTICLE ACCELERATORS 2018
Conference Name
Superconductivity and Particle Accelerators 2018, 2018, Krakow, Poland
ISSN
0277-786X
ISBN
9781510627833
Publisher
SPIE Digital
Volume
11054
Number
ARTN 110540G
Type
Conference Object
This Version
AM
Metadata
Show full item recordCitation
Tomkow, L. (2019). Numerical study of thin superconducting plates subjected to transverse magnetic fields. SUPERCONDUCTIVITY AND PARTICLE ACCELERATORS 2018, 11054 (ARTN 110540G) https://doi.org/10.1117/12.2525196
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.
Keywords
superconductors, magnetic shielding, magnetic fields, critical currents
Identifiers
External DOI: https://doi.org/10.1117/12.2525196
This record's URL: https://www.repository.cam.ac.uk/handle/1810/299847
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