Numerical Simulation Study of Bulk High-Temperature Superconductors With a Superconducting Joint

被引：1

作者：

Wu, Haowei ^{[1
]}

Zhang, Weiwei ^{[1
]}

Liu, Donghui ^{[2
]}

机构：

[1] Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Peoples R China

[2] Lanzhou Univ, Coll Civil Engn & Mech, Dept Mech & Engn Sci, Lanzhou 730000, Peoples R China

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2024年 / 34卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Superconductivity; Magnetization; Magnetic fields; High-temperature superconductors; Superconducting magnets; Numerical models; Numerical simulation; Bulk superconductors; mechanical response; numerical simulation; superconducting joint; trapped field; BA-CU-O; FIELD;

D O I：

10.1109/TASC.2024.3370134

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

By fabricating superconducting joint, two small bulk superconductors can be joined to form a larger one, thereby achieving a higher trapped field. However, the quality of the superconducting joints plays a crucial role in determining the trapped field. In this paper, a two-dimensional numerical model based on the H-formulation is employed to simulate the distribution of the trapped magnetic field in jointed bulk superconductors, aiming to evaluate the effects of different superconducting joints. The simulation results, in the case of field cooling and pulsed field magnetization, qualitatively agree with the experimental results. Consequently, superconducting joints have an significant influence on the magnetization process, the trapped field distribution and the mechanical response of the jointed sample. Additionally, we present the numerical simulation results for the distribution of the trapped field when matrix in different cutting and jointing orientations.

引用

页码：1 / 5

页数：5

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