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  • 任晓晨,刘伟,庞鹏,修仕全,荆海莲,陆勤龙,李庭筠,张雨潇,周星宇,谭玄,韩璐琦.空间高频交变磁场对超导块材悬浮力影响研究[J].低温物理学报,2019,(5):355-360.    [点击复制]
  • REN Xiaochen,LIU Wei,PANG Peng,XIU Shiquan,JING Hailian,LU Qinlong,Li Tingyun,ZHANG Yuxiao,ZHOU Xingyu,TAN Xuan,HAN Luqi.Effect of Space High Frequency Alternating Magnetic Field on Levitation Force of Superconducting Bulk[J].LOW TEMPERATURE PHYSICAL LETTERS,2019,(5):355-360.   [点击复制]
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空间高频交变磁场对超导块材悬浮力影响研究
任晓晨1, 刘伟1, 庞鹏1, 修仕全2, 荆海莲1, 陆勤龙3, 李庭筠1, 张雨潇1, 周星宇1, 谭玄1, 韩璐琦1
0
(1.成都理工大学核技术与自动化工程学院, 成都 610031;2.北京美尔斯通科技发展股份有限公司, 北京 101500;3.中国电子科技集团公司第十六研究所, 合肥230043)
摘要:
高温超导磁悬浮装置, 如磁悬浮列车和磁悬浮轴承在高速运行时, 空间磁场交变及不均匀性扰动会引发超导块材内部损耗并影响性能, 传统均匀时变磁场实验研究及仿真模拟无法满足实际工程应用情况. 本文通过设计不同永磁阵列得到不同波形, 在高速系统驱动下得到不同交变频率下超导块材损耗特性, 发现全波型损耗较半波型损耗高, 并研究了不同磁场构型悬浮力衰减特性, 可为高速超导磁浮应用提供实验依据.
关键词:  高温超导, 磁悬浮, 交变磁场, 悬浮力, 损耗
DOI:
基金项目:
Effect of Space High Frequency Alternating Magnetic Field on Levitation Force of Superconducting Bulk
REN Xiaochen1, LIU Wei1, PANG Peng1, XIU Shiquan2, JING Hailian1, LU Qinlong3, Li Tingyun1, ZHANG Yuxiao1, ZHOU Xingyu1, TAN Xuan1, HAN Luqi1
(1.College of Applied Nuclear Technology and Automation Engineering , Chengdu University of Technology ,Chengdu 610031;2.Beijing Milestone Technology Development Co . , Ltd . ,Beijing 101500;3.Electronic Technologies ,CETC 16,Hefei 230043)
Abstract:
High temperature superconducting magnetic levitation devices, such as magnetic levitation trains and magnetic levitation bearings, can cause internal loss and affect the performance of superconducting blocks due to the alternation of space magnetic field and non-uniform disturbance. Traditional uniform time-varying magnetic field experimental research and simulation can not meet the actual engineering application. In this paper, different waveforms are obtained by designing different permanent magnet arrays, and the loss characteristics of superconducting bulk materials at different alternating frequencies are obtained under the drive of high-speed system. It is found that the full-wave loss is higher than the half-wave loss. The levitation force attenuation characteristics of different magnetic field configurations are studied, which can provide experimental basis for the application of high-speed superconducting magnetic levitation.
Key words:  High temperature superconductivity, Maglev, Alternating magnetic field,Levitation force,Loss

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