振盪カプセルによる粒子群帯電特性の評価

書誌事項

タイトル別名
  • Evaluation of Electrostatic Charging of Particles in a Metal Shaker
  • シントウカプセル ニ ヨル リュウシグン タイデン トクセイ ノ ヒョウカ

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抄録

This paper reports a new development of an apparatus to evaluate the accumulation process of electrostatic charge of bulk powder (or multiple particles). In a metal cubic container installed on an oscillator, a certain number (1-100) of spherical polymer particles of a single size, in the range of 2-4 mm in diameter, were loaded after neutralization, and they were shaken. After the shake, all the particles were poured into a Faraday-cage, and the total charge was measured. The maximum charge per particle decreased with an increase of particle number loaded. The experimental results were well explained with a modified new model of particle charging originally proposed by the authors, in which the space charge effect was involved as a function of particle size and volume fraction of particles in the capsule and capsule size.

収録刊行物

  • 粉体工学会誌

    粉体工学会誌 50 (12), 845-850, 2013

    一般社団法人 粉体工学会

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