Finite Element Models for Magnetic Shields Made of Stacked Superconducting Tape Annuli

Finite element analysis; high-temperature superconductors; homogenization techniques; magnetic shielding; Axial field; Finite element analyse; Finite element modelling (FEM); High-temperature superconducting tapes; High-temperature superconductor; Homogenization techniques; Layered geometry; Magnetic noise; Transverse field; Electronic, Optical and Magnetic Materials; Condensed Matter Physics; Electrical and Electronic Engineering; Physics - Accelerator Physics

Abstract :

[en] Stacks of high-temperature superconducting tape annuli can be used as magnetic shields operating efficiently for both axial and transverse fields. However, due to their layered geometry and hybrid electrical and magnetic properties, implementing models of such structures is not straightforward. In this work, we propose two different modelling approaches with the finite element method: layered and homogenized. We compare their accuracy and numerical efficiency for three different formulations (h-φ, h-φ-b, and a-j), in both axial (2D-axisymmetric) and transverse (3D) configurations. We show that both approaches lead to comparable performance in the axial case, but that the homogenized model is considerably harder to use in the transverse case.

Disciplines :

Electrical & electronics engineering
Energy
Materials science & engineering

Author, co-author :

Dular, Julien ; Université de Liège - ULiège > Montefiore Institute of Electrical Engineering and Computer Science ; TE-MPE-PE, CERN, Geneva, Switzerland

Brialmont, Sébastien ; Université de Liège - ULiège > Montefiore Institute of Electrical Engineering and Computer Science

Vanderbemden, Philippe ; Université de Liège - ULiège > Département d'électricité, électronique et informatique (Institut Montefiore) > Capteurs et systèmes de mesures électriques

Geuzaine, Christophe ; Université de Liège - ULiège > Département d'électricité, électronique et informatique (Institut Montefiore) > Applied and Computational Electromagnetics (ACE)

Vanderheyden, Benoît ; Université de Liège - ULiège > Département d'électricité, électronique et informatique (Institut Montefiore) > Electronique et microsystèmes

Language :

English

Title :

Finite Element Models for Magnetic Shields Made of Stacked Superconducting Tape Annuli

Publication date :

May 2024

Journal title :

IEEE Transactions on Applied Superconductivity

ISSN :

1051-8223

Publisher :

Institute of Electrical and Electronics Engineers Inc.

Volume :

Issue :

Pages :

1 - 7

Peer reviewed :

Peer Reviewed verified by ORBi

Tags :

CÉCI : Consortium des Équipements de Calcul Intensif

Additional URL :

http://xplorestaging.ieee.org/ielx7/77/10339679/10448537.pdf?arnumber=10448537

Funders :

F.R.S.-FNRS - Fonds de la Recherche Scientifique

Available on ORBi :

since 12 July 2024

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