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Magnetic field effects on a laterally vibrating magnetic liquid column

  • M. Ohaba
  • , S. Saito
  • , S. Sudo
  • , T. Sawada
  • , T. Tanahashi

研究成果: Chapter

抄録

The magnetic field effects on both the static stability limit and the resonance frequency of a magnetic liquid column are examined theoretically and experimentally. We first derived the theoretical resonance frequency of a column using linear potential theory. Then, in the experiment, a vertical cylindrical magnetic liquid column was formed between two electromagnets. As the magnetic field intensity was decreased, the column's diameter exhibited hysteresis, such that its stability limit extended to a smaller diameter range due to the coaxial magnetic field. The column was also subjected to lateral excitation and the surface frequency response of the non-axisymmetric first two modes were observed. It was found that the resonance frequency of the column increases with increasing magnetic field intensity and decreases with an increase in the aspect ratio of the column (mean diameter / height). The resonance frequency of the first mode was in qualitative agreement with the theory.

本文言語English
ホスト出版物のタイトルTransport Phenomena in Materials Processing and Manufacturing
編集者A.S. Lavine, U. Chandra, M.M. Chen, C.T. Crowe, U. Fritsching, al et al
ページ207-213
ページ数7
出版ステータスPublished - 1996 12月 1
外部発表はい
イベントProceedings of the 1996 ASME International Mechanical Engineering Congress and Exposition - Atlanta, GA, USA
継続期間: 1996 11月 17 → 1996 11月 22

出版物シリーズ

名前American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
巻336
ISSN(印刷版)0272-5673

Other

OtherProceedings of the 1996 ASME International Mechanical Engineering Congress and Exposition
CityAtlanta, GA, USA
Period96/11/17 → 96/11/22

ASJC Scopus subject areas

  • 機械工学
  • 流体および伝熱

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