会议论文详细信息
9th International Workshop on Processing and Applications of Superconducting (RE)BCO Large Grain Materials
Application of shielding current in bulk HTS to control magnetic field distribution
物理学;材料科学
Kii, T.^1
Institute of Advanced Energy, Kyoto University, Gokasyo, Uji, Kyoto, Japan^1
关键词: Biot-Savart law;    Bulk high temperature superconductors;    Bulk superconductors;    External fields;    Field distribution;    Field generators;    Magnetic field distribution;    Shielding currents;   
Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/695/1/012005/pdf
DOI  :  10.1088/1742-6596/695/1/012005
Subject:84.1
来源: IOP
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【 摘 要 】
Superconducting shielding current is excited when external field is applied to superconductor. In case for field cooling of bulk superconductor, shielding current is an origin of strong trapped field. When external field is changed to a properly arranged bulk HTS array, various magnetic field distribution can be formed by an excited shielding current in each bulk HTS. This paper presents a simple intuitively method to design magnetic field distribution using supercurrents in bulk high-temperature superconductor (HTS) array. In this method, an ideal current path for intended field distribution is represented by shielding currents in bulk HTS array. Expected performance can be roughly estimated by using Biot-Savart law. As examples, Maxwell coil pair and helical field generator are designed. This method can be applied to design various magnet devices using bulk HTS array.
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