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

2008 Fiscal Year Final Research Report

• 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
• 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

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] 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
• [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)
• [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 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