円錐台型回転ドラム内軸方向偏析パターンと流動モードの関係

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書誌事項

タイトル別名
  • Relation between Axial Segregation Pattern and Flow Mode in Conical Rotating Drum
  • エンスイダイガタ カイテン ドラム ナイジク ホウコウヘンセキパターン ト リュウドウ モード ノ カンケイ

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説明

It is generally difficult to measure the particle motion inside of dense granular flows. An MRI (Magnetic Resonance Imaging) is one of the non-contacting and non-destructive measurement tools for such flows. In the present paper, the size segregation in the conical rotating drum is studied experimentally by use of the MRI. The segregation pattern in the axial direction of the drum depends on the rotational speed and can be classified into three types for the present experimental conditions. The MRI visualization of the particles suggests that the three types of the axial segregation pattern is closely related to the different types of the flow modes; cascading, cataracting and hybrid of them.

収録刊行物

  • 粉体工学会誌

    粉体工学会誌 46 (8), 591-597, 2009

    一般社団法人 粉体工学会

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