C202 多断層スキャニングPIVの開発と蛇行複断面流れの3次元構造の解明

• 山上 路生

  京都大学

• 禰津 家久

  京都大学

• QUANG Hoang

• 土井 智礼

  福知山市

書誌事項

タイトル別名

• Development of Multi-layer Scanning PIV System and Experimental Study on 3-D Structure in Meandering Compound Open-channel Flow

抄録

It is very important to reveal coherent horizontal vortices, in meandering compound open-channel flows for predicting the transport and distribution of suspended sediment in actual rivers. However, in previous studies, flow-visualization techniques such as PIV and PTV, have not sufficiently been applied to such flows, and thus, there is almost no detailed information on coherent turbulence in meandering compound open-channel flows. Therefore, we conducted innovative flow-visualization measurements by using a multi-layer scanning PIV system, and analyzed instantaneous velocity vectors on horizontal planes at several different elevations simultaneously. As the results, the time-space correlations between the different elevations, the vortexcore motion and instantaneous velocity properties were revealed in the meandering compound open-channel flows.

収録刊行物

• 可視化情報学会誌

  可視化情報学会誌 26 (Supplement2), 287-288, 2006

  社団法人 可視化情報学会

キーワード

• Multi-layer PIV
• Meandering compound open-channel flow
• Horizontal Vortex

詳細情報

• CRID: 1390282679597534336
• NII論文ID: 10018247572
• NII論文ID: 130003650463
• NII書誌ID: AA11907562
• DOI: 10.3154/jvs.26.supplement2_287
• ISSN: 1884037X
• ISSN: 09164731
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可