[Updated on Apr. 18] Integration of CiNii Articles into CiNii Research

Simulation of Fluidity, Dispersion and Mass Transfer in an Annular Centrifugal Contactor

  • Sano Yuichi
    Reprocessing Technology Development and Design Group, Fuel Cycle Design Department, Sector of Fast Reactor and Advanced Reactor Research and Development, Japan Atomic Energy Agency (JAEA)
  • Sakamoto Atsushi
    Reprocessing Technology Development and Design Group, Fuel Cycle Design Department, Sector of Fast Reactor and Advanced Reactor Research and Development, Japan Atomic Energy Agency (JAEA)
  • Takeuchi Masayuki
    Fuel Cycle Design Department, Sector of Fast Reactor and Advanced Reactor Research and Development, Japan Atomic Energy Agency (JAEA)
  • Misumi Ryuta
    Division of Materials Science and Chemical Engineering, Faculty of Engineering, Yokohama National University
  • Kunii Kanako
    Department of Materials Science and Engineering, Graduate School of Engineering, Yokohama National University
  • Todoroki Kei
    Department of Materials Science and Engineering, Graduate School of Engineering, Yokohama National University
  • Nishi Kazuhiko
    Department of Mechanical Engineering, Graduate School of Engineering, Chiba Institute of Technology
  • Kaminoyama Meguru
    Division of Materials Science and Chemical Engineering, Faculty of Engineering, Yokohama National University

Bibliographic Information

Other Title
  • 回転円筒型液液抽出装置内における流動・分散・物質移動シミュレーション
  • カイテン エントウケイエキエキ チュウシュツ ソウチ ナイ ニ オケル リュウドウ ・ ブンサン ・ ブッシツ イドウ シミュレーション

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Abstract

<p>To improve the performance of an annular centrifugal contactor with high throughput and separation performance, the effect of operating conditions on fluidic and dispersion behavior was investigated by computational fluid dynamics (CFD) analysis based on the turbulence model, and the calculated results were validated by experimental data. The liquid phase in the annular zone was gradually divided into two regions vertically with increasing rotor speed and decreasing flow rate, and a liquid flow toward the center of the housing bottom was generated in the lower annular zone under all operating conditions. The droplet size of the dispersed phase in the annular zone decreased with increasing rotor speed and decreasing flow rate. These calculated results showed good agreement with the experimental data. CFD analysis taking into account mass transfer between aqueous and organic phases was also attempted, and it was confirmed that the change in extraction performance with rotor speed showed the same tendency as the experimental result.</p>

Journal

  • KAGAKU KOGAKU RONBUNSHU

    KAGAKU KOGAKU RONBUNSHU 44 (6), 335-340, 2018-11-20

    The Society of Chemical Engineers, Japan

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