Application of a Level-Set Method for Deposition of Fine Particles on a Filter

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  • Sodeyama Kyosuke
    Industrial Technology & Research Laboratory, Sumitomo Chemical Co. Ltd.
  • Yoshino Hajime
    Industrial Technology & Research Laboratory, Sumitomo Chemical Co. Ltd.
  • Ohta Mitsuhiro
    Graduate School of Technology, Industrial and Social Sciences, Tokushima University
  • Shimada Naoki
    Production & Safety Fundamental Technology Center, Sumitomo Chemical Co. Ltd.

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Other Title
  • Level Set法を用いたフィルター上の微粒子積層解析
  • Level Setホウ オ モチイタ フィルター ジョウ ノ ビリュウシ セキソウ カイセキ

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Description

<p>In order to compute fluid flows in a transformable flow channel with deposition of fine particles using a level-set method, a re-initialization method for a time-varying level-set function (ϕ) describing the evolution of the geometrical shape of the sedimentation layer of fine particles was considered. It was shown that the choice of re-initialization method was very important to avoid non-physical deformation of ϕ. The re-initialization method was then applied to the problem with increments of ϕ (Δϕ), and net Δϕ was affected by the re-initialization method. To avoid this problem, we proposed a new re-initialization method that can maintain Δϕ. A multi-dimensional calculation of fluid flows with deposition of file particles could be implemented by using the proposed method.</p>

Journal

  • KAGAKU KOGAKU RONBUNSHU

    KAGAKU KOGAKU RONBUNSHU 46 (3), 49-56, 2020-05-20

    The Society of Chemical Engineers, Japan

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