ステレオ撮影による開水路水面変動の画像計測 Measurement of Time-Dependent Water Surface Variation Using a Novel Stereoscopic Measurement Method

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抄録

When a portion of a straight open-channel is replaced by a channel with a side cavity zone, water surface in the main channel in front of the cavity as well as that within the side cavity zone begins to show significant surface oscillation for specific experimental conditions. The mode of the oscillation changes with hydraulic condition and aspect ratio of the side cavity shape. When the aspect ratio is small, only a seiche-like oscillation within the cavity zone can be observed. However, as the streamwise length of the cavity increases, i.e. for a large aspect ratio, the oscillation in the cavity zone propagates into the main channel and a longitudinal oscillation becomes evident. In order to understand the mechanism of such mode-change, we performed a stereoscopic measurement of the water surface flow oscillation by gradually changing the aspect ratio of the side cavity.

収録刊行物

  • 可視化情報学会誌. Suppl.  

    可視化情報学会誌. Suppl. 26(2), 199-202, 2006-09-15 

    The Visualization Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018247421
  • NII書誌ID(NCID)
    AA11907562
  • 本文言語コード
    JPN
  • 資料種別
    SHO
  • ISSN
    09164731
  • NDL 記事登録ID
    8516982
  • 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 
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