The Behavior of Diamagnetic Brownian Particles in the Presence of a Gradient Magnetic Field
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概要
- 論文の詳細を見る
The behavior of carbon particles was numerically studied for various sizes (0.01–5 μm) in the air on which a gradient magnetic field was imposed. One thousand particles were released randomly in one of the vertical cylindrical cross sections whose height is equal to its radius. An electric coil was placed coaxially at the bottom level of the enclosure to produce a magnetic field. The Brownian motion was taken into consideration and the Langevin equation was solved for the particle motion. The effect of the magnetic field on the particle movement increased with the particle size, but the Brownian motion decreased. For those particles with diameter d ≤ 1 μm, the Brownian motion was so strong that the magnetic and gravitational fields had almost no effects on the particle behavior. For the particles of d ≥ 1 μm, the Brownian motion could be ignored mostly, and the particles accumulated at the bottom or upper walls of the enclosure depending on the magnetic strength.
- 社団法人 化学工学会の論文
- 2005-01-01
著者
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Wang Xian
Interdisciplinary Graduate School Of Engineering Sciences Kyushu University
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Wang Qiuwang
School Of Energy & Power Engineering Xi'an Jiaotong University
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HIRANO Hiroyuki
Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences
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TAGAWA Toshio
Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
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OZOE Hiroyuki
Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
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Hirano H
Department Of Applied Chemistry Okayama University Of Science
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Ozoe H
Interdisciplinary Graduate School Of Engineering Sciences Kyushu University
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Tagawa Toshio
Interdisciplinary Graduate School Of Engineering Sciences Kyushu University
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田川 俊夫
九州大学先導物質化学研究所
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Ozoe Hiroyuki
Interdisciplinary Graduate School Of Engineering Sciences Kyushu University
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Hirano Hiroyuki
Department Of Biomolecular Engineering Graduate School Of Bioscience And Biotechnology Tokyo Institu
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Hirano Hiroyuki
Department Of Applied Chemistry Okayama University Of Science
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