Experimental and Numerical Investigation of the Levitation Force Between Bulk Permanent Magnet and MgB2 Disk

被引：32

作者：

Perini, Elena ^{[1
]}

Giunchi, Giovanni ^{[1
]}

Geri, Michela ^{[2
]}

Morandi, Antonio ^{[2
]}

机构：

[1] EDISON SpA, I-20121 Milan, Italy

[2] Univ Bologna, Dept Elect Engn, I-40126 Bologna, Italy

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2009年 / 19卷 / 03期

关键词：

Bulk superconductors; flux trapping; levitation force; MgB2; permanent magnets;

D O I：

10.1109/TASC.2009.2019141

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];

摘要：

The experimental investigation of the levitation force between a Permanent magnet (PM) and MgB2 disk prepared by means of the Reactive Mg Liquid Infiltration is presented. Both FC and ZFC levitation in the temperature range from 21 K to 37 K are considered. The long term behavior of the levitation force is also investigated. A numerical model is developed in order to investigate the electrodynamics of levitation. The hysteretic behavior of the levitation force is related to the dynamic of current penetration inside the MgB2 disk by means of the numerical model.

引用

页码：2124 / 2128

页数：5

共 10 条

[1]

Modelling the E-J relation of high-Tc superconductors in an arbitrary current range [J].