The Numerical Study on ac Loss and Thermal Behavior in Bulk High-Temperature Superconductors

被引：5
|
作者：
Li, Jing [1 ]
Lu, Yiyun [3 ]
Li, Xiang [1 ]
Tang, Junjie [1 ]
Shen, Boyang [2 ]
Geng, Jianzhao [2 ]
Li, Chao [2 ]
Coombs, Tim [2 ]
机构：
[1] Southwest Jiaotong Univ, Appl Superconduct Lab, M-S 152, Chengdu 610031, Sichuan, Peoples R China
[2] Univ Cambridge, Dept Engn, Elect Engn Div, Cambridge CB3 0FA, England
[3] Luoyang Inst Sci & Technol, Luoyang 471023, Peoples R China
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2017年 / 30卷 / 09期
基金：
中国国家自然科学基金;
关键词：
High-T-c superconductor; Bulk; Ac losses; HTS BULK; HARD SUPERCONDUCTORS; MAGNETIC-FIELD;
D O I：
10.1007/s10948-017-4057-x
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
This paper presents an investigation on ac losses of superconducting bulk with the help of finite element software of Comsol Multiphysics. The calculation ac loss result was compared with that from analytical formulas for type-II superconducting slab and cylinder. Three different geometries of the columnar bulk are analyzed, which are bulk with no core, bulk with a central columnar air core, and bulk with a central columnar iron core. The core is parallel to the c-axis of bulk. The temperature dependence of the ac loss is presented, and the thermal behavior of the bulk is analyzed by associating ac loss with heat transfer characteristic through the external surface of the bulk sample.
引用
收藏
页码：2445 / 2449
页数：5
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