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2011 Fiscal Year Final Research Report

Study on three-dimensional mechanisms of flow and sediment transport in open channels with permeable and impermeable spur-dikes

Research Project

  • PDF
Project/Area Number 21760383
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Hydraulic engineering
Research InstitutionPublic Works Research Institute (2010-2011)
Tokyo Institute of Technology (2009)

Principal Investigator

AKAHORI Ryosuke  独立行政法人土木研究所, 寒地土木研究所寒地水圏研究グループ寒地河川チーム, 研究員 (50452503)

Project Period (FY) 2009 – 2011
Keywords水制 / 浮遊砂 / LES / 粒子的手法 / 数値計算 / PIV
Research Abstract

The mechanisms of flow structures and sediment transport around spur-dikes were studied in order to extend our knowledge of environmental applications of spur-dike installations. By applying image-analysis methods to experimental results, three-dimensional structures of flow and sediment transport were clarified. The results showed that the wake flow behind permeable dikes and the over-flow on submerged spur-dikes play important roles on sediment suspension. A numerical model of suspended sediment transport that can reproduce sediment concentration profile around permeable dikes was then developed based on the experimental results.

  • Research Products

    (8 results)

All 2012 2011 2010 2009

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (4 results)

  • [Journal Article] 越流型水制周辺での流れ場の構造と浮遊砂輸送2012

    • Author(s)
      赤堀良介、松尾陽介、吉村千洋
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: Vol.68, No.4

    • Peer Reviewed
  • [Journal Article] Study on the transport of suspended sediment in an open channel flow with permeable spur dikes2011

    • Author(s)
      Zu-peng Gu, Ryosuke AKAHORI, Syunsuke IKEDA
    • Journal Title

      International Journal of Sediment Research

      Volume: Vol.26 Pages: 96-111

    • DOI

      DOI:10.1016/S1001-6279(11)60079-6

    • Peer Reviewed
  • [Journal Article] 水制周辺における流れの瞬間構造と浮遊砂輸送の関係に関する研究2010

    • Author(s)
      谷祖鵬、赤堀良介、池田駿介
    • Journal Title

      混層流

      Volume: 23巻5号 Pages: 615-626

    • Peer Reviewed
  • [Journal Article] Numerical calculation of three-dimensional flows in an open channel with a rubble mound groin by using Non-Darcian resistance law2009

    • Author(s)
      Ryosuke AKAHORI, Kohji MICHIOKU
    • Journal Title

      Journal of Hydroscience and Hydraulic Engineering

      Volume: Vol27 No.1 Pages: 89-103

    • Peer Reviewed
  • [Presentation] 越流型水制周辺での流れ場の構造と浮遊砂輸送2012

    • Author(s)
      赤堀良介、松尾陽介、吉村千洋
    • Organizer
      第56回水工学講演会
    • Place of Presentation
      愛媛県、松山市
    • Year and Date
      2012-03-08
  • [Presentation] 透過水制群周辺における浮遊砂の輸送に関する研究2010

    • Author(s)
      赤堀良介、池田駿介、Gu Zu-peng
    • Organizer
      日本流体力学会年会2010
    • Place of Presentation
      北海道、札幌市
    • Year and Date
      2010-09-09
  • [Presentation] Study on open channel flow with a submerged structure2009

    • Author(s)
      Ryosuke AKAHORI, Yosuke MATSUO, Syunsuke IKEDA
    • Organizer
      The 6th IAHR Symposium on River, Coastal, and Estuarine Morphodynamics
    • Place of Presentation
      Santa Fe, Argentina
    • Year and Date
      2009-09-22
  • [Presentation] 越流型不透過水制を有する開水路流れに関する実験的研究2009

    • Author(s)
      松尾陽介、赤堀良介、池田駿介
    • Organizer
      土木学会第64回年次学術講演会
    • Place of Presentation
      福岡県、福岡市
    • Year and Date
      2009-09-04

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Published: 2013-07-31  

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