A Research on Active Magnetic Levitation of Multiple High-Tc Superconductors

Kentaro NISHI; Yasuharu TACHI; Koichiro SAWA; Yukikazu IWASA; Ken NAGASHIMA; Hiroyuki FUJIMOTO; Takeshi MIYAMOTO; Masaru TOMITA; Masato MURAKAMI

doi:10.2221/jcsj.34.640

A Research on Active Magnetic Levitation of Multiple High-T_c Superconductors

Kentaro NISHI, Yasuharu TACHI, Koichiro SAWA, Yukikazu IWASA, Ken NAGASHIMA, Hiroyuki FUJIMOTO, Takeshi MIYAMOTO, Masaru TOMITA, Masato MURAKAMI

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Keywords: magnetic levitation, electromagnet, YBCO bulks, Lorentz force

JOURNAL FREE ACCESS

1999 Volume 34 Issue 11 Pages 640-646

DOI https://doi.org/10.2221/jcsj.34.640

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Abstract

This paper describes a new “electromalev” system, in which multiple Y-Ba-Cu-O bulk superconductors are levitated on a DC magnet. In this system, we have succeeded in controlling the levitation height and force like the case of a single bulk system. We also simulated the total levitation forces for multiple bulks, which were in good agreement with the experimental results.

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