Characterization of Particles Triboelectrically Charged by a Two-Stage System Using Vibration and External Electric Field
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- Mizutani Megumi
- Department of Chemical Engineering, Katsura Campus, Kyoto University
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- Takeda Koichi
- Department of Chemical Engineering, Katsura Campus, Kyoto University
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- Yasuda Masatoshi
- Department of Chemical Engineering, Katsura Campus, Kyoto University IMP Co., Ltd.
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- Matsusaka Shuji
- Department of Chemical Engineering, Katsura Campus, Kyoto University
Bibliographic Information
- Other Title
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- 振動と外部電場を用いた2段階システムによる摩擦帯電粒子の特性評価
- シンドウ ト ガイブ デンバ オ モチイタ 2 ダンカイ システム ニ ヨル マサツ タイデン リュウシ ノ トクセイ ヒョウカ
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Abstract
A new method for characterizing particles triboelectrically charged through repeated contact with a wall has been studied both theoretically and experimentally. A two-stage system consisting of inclined vibrating plates with electrodes was used in this experiment. The first stage possessed functions to control the initial charge and flow rate of the particles. Particle tribocharging was characterized in the second stage. Three types of particles with diameters of less than 100μm were examined, and each particle charge profile as a function of distance travelled on the second vibrating plate was obtained under various experimental conditions. It was found that the pattern of the charge profiles agreed with the theoretical one, which is determined by two parameters related to equilibrium and relaxation. It was also found that particle tribocharging is well-characterized by the two parameters obtained by external electric fields.
Journal
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- Journal of the Society of Powder Technology, Japan
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Journal of the Society of Powder Technology, Japan 50 (12), 832-839, 2013
The Society of Powder Technology, Japan
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Details 詳細情報について
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- CRID
- 1390282679489706624
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- NII Article ID
- 130004856049
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- NII Book ID
- AN00222757
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- ISSN
- 18837239
- 03866157
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- NDL BIB ID
- 025081974
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed