Axisymmetric Interfacial Oscillations of a Magnetic Liquid Column
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概要
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This paper presents the stability and dynamic characteristics of an axisymmetrically oscillating magnetic liquid column subjected to a uniform magnetic field in the presence of gravity. Initially, the axisymmetric mode response of a magnetic liquid column is analyzed using potential theory based on a magnetic field perturbation method. Then, an experiment is described in which a liquid column is formed between Helmholtz coils and vibrated vertically to produce axisymmetric oscillations by an electodynamic exciter. The surface frequency response of the column is measured optically using a high-speed video camera, a strobovision-snalyzer and a stroboscope. The results show that the magnetic field exerts a stabilizing effect on the column and the resonance frequency increases for increased liquid column aspect ratio(diameter / height). Both the experimental interfacial response and resonance frequency show good agreement with the theoretical prediction.
- 一般社団法人日本機械学会の論文
- 1998-05-15
著者
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Sudo Seiichi
Department Of Machine Intelligence And System Engineering Akita Prefectural University
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Sudo Seiichi
Department Of Mechanical Engineering Iwaki Meisei University
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Ohaba Motoyoshi
Department Of Control System Engineering Toin University Of Yokohama
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Tanahashi Takahiko
Departement Of Mechanical Engineering Keio University
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Sawada Tatsuo
Department Of Mechanical Engineering Keio University
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SAITO Shin-hachiro
Physics Laboratory, Toin University of Yokohama
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Saito Shin-hachiro
Physics Laboratory Toin University Of Yokohama
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Saito Shin-hachiro
Physics Labolatory Toin University Of Yokohama
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SUDO SEIICHI
Department of Chemical Engineering, University of Tokyo
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