流れの可視化画像における速度勾配テンソルの自動計測-水素気泡法により可視化された渦領域の流れ- Automatic Measurement for the Velocity Gradient Tensor in the Images of Flows -Flows in the Vortex Region Visualized by Hydrogen Bubble Techniques-

この論文にアクセスする

この論文をさがす

著者

抄録

The vortex flows in the wake of a circular cylinder were visualized by hydrogen bubble techniques. The images of the flow past a bubble generating-wire frozen by a flashing light were consecutively exposed on a moving roll-film in a camera to save the waiting time for the next exposure. A method of image processing for the automatic measurement of the temporal velocity profiles crossing the generating-wire was developed in the digital-images of the flow captured in a micro computer. The successive data of the temporal velocity profiles were transformed into the data in space domain by use of Taylor-hypothesis, and the procedure to determine space derivative of the velocity, i.e., the velocity gradient tensor was established to investigate the kinematic structure of the vortices in the wake.

収録刊行物

  • 可視化情報学会誌 = Journal of the Visualization Society of Japan  

    可視化情報学会誌 = Journal of the Visualization Society of Japan 18, 5-6, 1998-09-01 

    The Visualization Society of Japan

参考文献:  5件

参考文献を見るにはログインが必要です。ユーザIDをお持ちでない方は新規登録してください。

各種コード

  • NII論文ID(NAID)
    10002675762
  • NII書誌ID(NCID)
    AN10374478
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09164731
  • NDL 記事登録ID
    4571878
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z15-431
  • データ提供元
    CJP書誌  NDL  J-STAGE 
ページトップへ