Static and Dynamic Characteristics of Superconducting Magnetic Bearings Using Mpmg Ybacuo

Hiromasa Fukuyama, Kazutosi Seki, Masato Murakami, Hirosi Takaichi

研究成果: Article

6 引用 (Scopus)

抜粋

The results of static and dynamic characteristics of a large circular superconducting magnetic bearing using MPMG-YBaCuO are presented. In the static experiments, the attractive force performed more effectively in both axial and radial directions than the repulsive force exerted by the pinning effect. The levitation performance in thrust and radial bearing were analyzed qualitatively by magnetic field distribution model. In run tests, a shaft of 2.4 kg weight rotated safely up to 33000 rpm. At speeds higher than 25 000 rpm, the amplitude of the shaft vibration was almost constant, 120 µ peak to peak, in long-period whirling motion compared with rotational speed.

元の言語English
ページ(範囲)879-887
ページ数9
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series C
59
発行部数559
DOI
出版物ステータスPublished - 1993 1 1

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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