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Advances in Materials, Devices and Applications of Superconducting Technology
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Advances in Materials, Devices and Applications of Superconducting Technology

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Physics".

Deadline for manuscript submissions: closed (20 November 2023) | Viewed by 1289

Special Issue Editors

Dr. Peifeng Gao

E-Mail Website
Guest Editor
College of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, China
Interests: HTS tape; HTS cable; high-field magnet; quench; mechanical analysis; multi-physics coupling simulation; multi-scale high-performance computing method
Special Issues, Collections and Topics in MDPI journals
Dr. Ying Xu

E-Mail Website
Guest Editor
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: superconducting power device; high-temperature superconducting magnets and applications; electrical engineering technology; electromagnetic technology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Superconducting materials hold great potential in bringing radical changes for high-energy and high-field applications such as superconducting magnets, superconducting generators and motors, superconducting cables for power transmission, superconducting fault current limiter, and superconducting magnetic energy storage. It is necessary to elucidate the challenges and benefits of various types of superconducting materials and applications. 

This Special Issue on “Advances in Materials, Devices and Applications of Superconducting Technology” will address the novel techniques, theories, and concepts for the research progress in superconducting materials, devices, and applications. Full articles, short communications, and review papers on theoretical modeling, numerical simulation, and experimental characterization are welcome for submission. Topics of interest include but are not limited to the following:

Superconducting materials: material sciences and superconducting characterizations of various types of superconducting materials, such as HTS and LTS composite wires/tapes, films, and bulk superconductors.

Large-scale applications and superconducting power devices: Magnet motors, generators, power transmission lines and cables, transformers, superconducting magnetic energy storage, fault current limiters, superconducting maglev flywheel energy storage, etc.

Mechanical, electromagnetic, and thermal stability: Mechanical failure, electromechanical degradation, loss, stability, and quench characterization of superconductor materials and devices.

Dr. Peifeng Gao
Dr. Ying Xu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • superconducting material
  • superconducting cable
  • superconducting magnet
  • superconducting motor
  • superconducting fault current limiter
  • fusion energy
  • mechanical behavior
  • electromagnetic performance
  • electromechanical degradation
  • quench

Published Papers (1 paper)

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Research

17 pages, 3203 KiB  
Article
Numerical Study on Mechanical Responses during Quench Protection in High-Temperature Superconducting Coils
by Ruoshan Jiao and Mingzhi Guan
Materials 2023, 16(12), 4356; https://doi.org/10.3390/ma16124356 - 13 Jun 2023
Cited by 2 | Viewed by 999
Abstract
In this paper, mechanical responses and electro-thermal characteristics of a rare earth barium copper oxide (REBCO) high-temperature superconducting (HTS) insulated pancake coil during the quenching process are investigated through finite element modeling (FEM). Firstly, a two-dimensional axisymmetric electro–magneto–thermal–mechanical FEM model with real dimensions [...] Read more.
In this paper, mechanical responses and electro-thermal characteristics of a rare earth barium copper oxide (REBCO) high-temperature superconducting (HTS) insulated pancake coil during the quenching process are investigated through finite element modeling (FEM). Firstly, a two-dimensional axisymmetric electro–magneto–thermal–mechanical FEM model with real dimensions is developed. Based on the FEM model, a systematic study on the effects of the time taken to trigger the system dump, background magnetic field, material properties of constituent layers, and coil size on quench behaviors of an HTS-insulated pancake coil is implemented. The variations in the temperature, current, and stress–strain in the REBCO pancake coil are studied. The results indicate that an increase in the time taken to trigger the system dump can increase the peak temperature of the hot spot but has no influence on the dissipation velocity. An apparent slope change of the radial strain rate is observed when the quench occurs regardless of the background field. During quench protection, the radial stress and strain reach their maximum values and then decrease as the temperature decreases. The axial background magnetic field has a significant influence on the radial stress. Measures to reduce peak stress and strain are also discussed, which indicates that increasing the thermal conductivity of the insulation layer, copper thickness, and inner coil radius can effectively reduce the radial stress and strain. Full article
(This article belongs to the Special Issue Advances in Materials, Devices and Applications of Superconducting Technology)
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