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Microscopic interpretation of concentration interface and active control of particulate suspension system

Research Project

Project/Area Number 26420095
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Fluid engineering
Research InstitutionHokkaido University

Principal Investigator

Harada Shusaku  北海道大学, 工学研究院, 准教授 (80315168)

Co-Investigator(Kenkyū-buntansha) 山本 恭史  関西大学, システム理工学部, 教授 (90330175)
Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2014: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords粒子分散系 / 流体力学 / 微粒子分散系 / 沈降 / 集団性
Outline of Final Research Achievements

Collective settling of fine particles in liquid have been studied numerically, theoretically and experimentally. The existence of concentration interface, which is an apparent interface between suspended particles and pure fluid, plays a significant role in the collective motion of suspended particles. We examined relative motion of particles to surrounding flow near the concentration interface microscopically and found the mechanism of collectivity of particles. We also investigated the collective settling of suspended particles in a complicated channel and develop a physical model on dispersion behavior of particle in the channel.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (12 results)

All 2016 2015 2014

All Journal Article (2 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (10 results) (of which Int'l Joint Research: 3 results,  Invited: 4 results)

  • [Journal Article] 重力下における液中微粒子の集団性2015

    • Author(s)
      原田周作
    • Journal Title

      ながれ

      Volume: 34 Pages: 321-326

    • Related Report
      2015 Research-status Report
  • [Journal Article] Numerical Simulation of Concentration Interface in Stratified Suspension: Continuum-Particle Transition2015

    • Author(s)
      Y. Yamamoto, F. Hisataka and S. Harada
    • Journal Title

      International Journal of Multiphase Flow

      Volume: 73 Pages: 71-79

    • DOI

      10.1016/j.ijmultiphaseflow.2015.03.007

    • NAID

      120006328990

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Scale Independence of Collective Particle Settling in Fractal Channels2016

    • Author(s)
      Kurose, Y., Ishizawa, K. and Harada, S.
    • Organizer
      International Conference on Multiphase Flow 2016
    • Place of Presentation
      Firenze Fiera-Palazzo dei Congressi, Firenze, Italy
    • Year and Date
      2016-05-22
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] フラクタル流路中の微粒子分散挙動に関するスケール不変モデルの構築2015

    • Author(s)
      黒瀬雄大, 石澤佳奈実, 原田周作
    • Organizer
      資源・素材2015
    • Place of Presentation
      愛媛大学(松山市)
    • Year and Date
      2015-09-08
    • Related Report
      2015 Research-status Report
  • [Presentation] 空間スケールに依存しないフラクタル流路中の微粒子分散モデル2015

    • Author(s)
      黒瀬雄大, 石澤佳奈実, 原田周作
    • Organizer
      混相流シンポジウム2015
    • Place of Presentation
      高知工科大学(高知市)
    • Year and Date
      2015-08-04
    • Related Report
      2015 Research-status Report
  • [Presentation] Scale-Independent Model on Gravitational Dispersion of Particulate Suspension in Fractal Channels2015

    • Author(s)
      Kurose, Y., Ishizawa, K. and Harada, S.
    • Organizer
      ASME-JSME-KSME Joint Fluids Engineering Conference
    • Place of Presentation
      COEX, Seoul, Korea
    • Year and Date
      2015-07-26
    • Related Report
      2015 Research-status Report 2014 Research-status Report
    • Int'l Joint Research
  • [Presentation] Behavior of Concentration Interface in Particulate Suspension: Continuum-Particle Transition2015

    • Author(s)
      Harada, S.
    • Organizer
      ASME-JSME-KSME Joint Fluids Engineering Conference
    • Place of Presentation
      COEX, Seoul, Korea
    • Year and Date
      2015-07-26
    • Related Report
      2015 Research-status Report 2014 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 微粒子分散系の集団性と個別性2015

    • Author(s)
      原田周作
    • Organizer
      関西大学先端科学技術シンポジウム
    • Place of Presentation
      関西大学千里山キャンパス,吹田
    • Year and Date
      2015-01-22 – 2015-01-23
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] Prediction and Control on Collective Settling of Fine Particles in Fractal Channel2014

    • Author(s)
      K. Ishizawa, M. R. Soriano, K. Watanabe and S. Harada
    • Organizer
      2th International Symposium on Multiscale Multiphase Process Engineering
    • Place of Presentation
      Crowne Plaza Hamburg, Hamburg, Germany
    • Year and Date
      2014-09-24 – 2014-09-26
    • Related Report
      2014 Research-status Report
  • [Presentation] 複雑流路における微粒子の集団的沈降挙動に関する予測と制御2014

    • Author(s)
      石澤佳奈実, 渡邉謙介, 原田周作
    • Organizer
      混相流シンポジウム2014
    • Place of Presentation
      かでる2.7,札幌
    • Year and Date
      2014-07-28 – 2014-07-30
    • Related Report
      2014 Research-status Report
  • [Presentation] 液中微粒子の集団性を利用した沈降・分散挙動の制御2014

    • Author(s)
      原田周作
    • Organizer
      微粒子工学講演会「環境と粉体技術の接点」
    • Place of Presentation
      北海道大学,札幌
    • Year and Date
      2014-07-04
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] 重力下における微粒子分散系の集団性と個別性2014

    • Author(s)
      原田周作
    • Organizer
      日本地球惑星科学連合2014年度連合大会
    • Place of Presentation
      パシフィコ横浜,横浜
    • Year and Date
      2014-04-29 – 2014-05-03
    • Related Report
      2014 Research-status Report
    • Invited

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Published: 2014-04-04   Modified: 2018-03-22  

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