Development of 3-D laser scanning PIV system and study on coherent turbulence vortex in compound open-channel flows

• Project/Area Number: 19760339
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: 水工水理学
• Research Institution: Kyoto University
• Principal Investigator: SANJYO Michio Kyoto University, 大学院・工学研究科, 助教 (80362458)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,440,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥240,000); Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2007: ¥2,400,000 (Direct Cost: ¥2,400,000)
• Keywords: 高水敷氾濫流 / スキャニングPIV / 乱流計測 / 組織渦 / 3次元構造 / 3-D PIV / 組織乱流 / 水平渦 / 画像解析 / 複断面流れ / 開水路 / 水平組織渦 / 乱流構造 / 流れの可視化

Research Abstract

本研究は最大10層までスキャンできる多断層PIVシステムを開発し,高水敷氾濫流における組織渦の立体構造の解明を試みた.この多断層PIVシステムによって,蛇行複断面流れを対象に高精度室内乱流計測を行い,鉛直位置の異なる水平断面内の瞬間流速分布や組織渦の3次元構造を解明した.

Research Products

• [Journal Article] Turbulence structure and coherent motion in meandering compound open-channel flows (2009)
  • Author(s): Sanjou, M. and Nezu, I.
  • Journal Title: Journal of Hydraulic Research (印刷中)
• [Journal Article] PIV Measurements in Meandering Compound Open-channel Flows (2008)
  • Author(s): Sanjou, M. and Nezu, I.
  • Journal Title: Proc. of Riverflow2008 Pages: 573-581
• [Journal Article] Numerical study of three dimensional turbulence structure in meandering compound open-channel flows (2008)
  • Author(s): Sanjou, M. and Nezu, I.
  • Journal Title: Proc. of 2^<nd> International Symposium on Shallow flows (CD-ROM)
• [Journal Article] レーザー蛍光誘起法を用いた植生開水路流れにおける乱流拡散特性に関する研究 (2008)
  • Author(s): 山上路生・禰津家久・岡本隆明・中村元太
  • Journal Title: 水工学論文集 52巻 Pages: 745-750
  • NAID: 130004044105
  • Peer Reviewed
• [Journal Article] PIV Measurements in Meandering Compound Open-channel Flows (2008)
  • Author(s): Sanjou, M. and Nezu, I
  • Journal Title: Proc. of riverflow2008 (CD-ROM)
  • Peer Reviewed
• [Journal Article] Numerical study of three dimensional turbulence structure in meandering compound open-channel flows (2008)
  • Author(s): Sanjou, M. and Nezu, I
  • Journal Title: 2nd International symp. of shallow flows (CD-ROM)
  • Peer Reviewed
• [Journal Article] 複断面蛇行水路の水平渦構造に関する実験的研究 (2007)
  • Author(s): 山上路生・Hong Quang・禰津家久
  • Journal Title: 応用力学論文集 Vol. 10 Pages: 881-890
  • NAID: 40015714059
• [Journal Article] Coherent Structure in Bubbly Turbulent Flows induced by Falling water (2007)
  • Author(s): Sanjou, M. and Nezu, I.
  • Journal Title: Proc. of 5^<th> international symposium of environmental hydraulics (CD-ROM)
• [Journal Article] 3-D Large Eddy Simulation of Open-channel Flows with Vegetated Canopies (2007)
  • Author(s): Sanjou, M., Nezu, I. and Okamoto, T.
  • Journal Title: Proc. of 32th IAHR Conference (CD-ROM)
• [Journal Article] PIV計測による連続かぶり蛇行流れにおける組織乱流構造の実験的解明 (2007)
  • Author(s): 山上路生・禰津家久・ホアンクワン
  • Journal Title: 水工学論文集, 土木学会 51 Pages: 715-720
  • NAID: 130003842533
  • Peer Reviewed
• [Journal Article] 開水路植生流れにおける組織渦のLES解析 (2007)
  • Author(s): 山上路生・禰津家久・岡本隆明
  • Journal Title: 水工学論文集, 土木学会 51 Pages: 637-642
  • NAID: 130003842518
  • Peer Reviewed
• [Journal Article] 複断面蛇行水路の水平渦構造に関する実験的研究 (2007)
  • Author(s): 山上路生・禰津家久・ホアンクワン
  • Journal Title: 応用力学論文集, 土木学会 10 Pages: 881-890
  • NAID: 40015714059
  • Peer Reviewed
• [Presentation] Numerical study of three dimensional turbulence structure in meandering compound open-channel flows (2008)
  • Organizer: International Symposium on Shallow flows
  • Place of Presentation: ホンコン科学技術大学
  • Year and Date: 2008-12-13
• [Presentation] PIV measurements of meandering compound open-channel flow (2008)
  • Author(s): Michio Sanjou
  • Organizer: River2008 トルコ・イズミール
  • Place of Presentation: アルティン ホテル
  • Year and Date: 2008-09-05
• [Presentation] PIV Measurements in Meandering Compound Open-channel Flows (2008)
  • Organizer: Riverflow2008
  • Place of Presentation: トルコ・イズミール
  • Year and Date: 2008-09-03
• [Presentation] Coherent Structure in Bubbly Turbulent Flows induced by Falling water (2007)
  • Organizer: 5^<th> international symposium of environmental hydraulics
  • Place of Presentation: アリゾナ州立大学
  • Year and Date: 2007-12-10
• [Presentation] 複断面蛇行水路の水平渦構造に関する実験的研究 (2007)
  • Organizer: 第10回応用力学シンポジウム
  • Place of Presentation: 広島国際会議場
  • Year and Date: 2007-09-05
• [Presentation] 3-D Large Eddy Simulation of Open-channel Flows with Vegetated Canopies (2007)
  • Organizer: 第32回 IAHR Conference
  • Place of Presentation: ベニス
  • Year and Date: 2007-07-04
• [Presentation] Coherent Eddy structure in Meandering Open-channel Flows (2007)
  • Author(s): 山上 路生
  • Organizer: 国際水理学会IAHR 第32回ベネチア大会
  • Place of Presentation: イタリア ベネチア
  • Year and Date: 2007-07-01