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Static Levitation Force and Its Thickness Dependence in HTS Tape Stack System

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Abstract

High-temperature superconductors (HTS) have great potential for magnetic levitation applications. Nowadays, coated conductor (CC) tapes are playing an increasingly important role in this field. Compared with HTS bulk materials, CC tapes have a higher critical current density and can be mass-produced, easy to shape, and have other important advantages for magnetic levitation applications. In order to gain an in-depth understanding of the relevant levitation characteristics of CC tapes, we studied the static magnetic levitation force between the permanent magnet and HTS tape stack, with the number of the CC tapes in the stack being 10 to 160. The experimental results show that the magnetic levitation force increases steadily as the thickness of the CC tape stack increases, but gradually reaches saturation.

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Acknowledgments

This work was supported in part by the Sichuan Applied Basic Research Project under Grant 2018JY0003.

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Authors and Affiliations

  1. School of Physical Science and Technology, Southwest Jiaotong University, Chengdu, 610031, China

    Cheng Li & Yong Zhao

  2. Key Laboratory of Magnetic Levitation Technologies and Maglev Trains, Superconductivity and New Energy Center, Southwest Jiaotong University, Chengdu, 610031, China

    Lifeng Zhao & Yong Zhao

  3. College of Physics and Energy, Fujian Normal University, Fuzhou, 350117, China

    Dajin Zhou & Yong Zhao

  4. Advanced Studies, Chengdu University, Chengdu, 6101060, China

    Cuihua Cheng

Authors
  1. Cheng Li
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  2. Lifeng Zhao
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  3. Dajin Zhou
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  5. Yong Zhao
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Correspondence to Yong Zhao.

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Li, C., Zhao, L., Zhou, D. et al. Static Levitation Force and Its Thickness Dependence in HTS Tape Stack System. J Supercond Nov Magn 33, 2923–2929 (2020). https://doi.org/10.1007/s10948-020-05560-9

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  • DOI: https://doi.org/10.1007/s10948-020-05560-9

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