書誌事項
- タイトル別名
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- Two-dimensional wavelet analysis on organized motions and mean flow structures in an open-channel cavity flow
- カイスイロ オウブ ナガレ ニ オケル ソシキ ウンドウ ト ヘイキンリュウ コウゾウ ノ 2ジゲン ウェーブレット カイセキ
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抄録
Organized motions and mean flow structures in an open-channel cavity flow are examined by using wavelet transforms. Experimental data of velocity vectors are obtained by the particle image velocimetry (PIV). The multiresolution approximation (MRA) is used to extract velocity components of the organized turbulence and the mean flow structures from the PIV data. Distributions of an instantaneous Reynolds stress of the organized turbulence are analyzed by using the two-dimensional continuous wavelet transform (2D-CWT) to detect spatial scales and locations of the organized motions. Characteristics of the organized motions and their dependence on the hydraulic parameters, such as Reynolds number and Froude number, are discussed in detail.
収録刊行物
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- 可視化情報学会誌
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可視化情報学会誌 24 (Supplement1), 91-94, 2004
社団法人 可視化情報学会
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詳細情報 詳細情報について
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- CRID
- 1390282679596341248
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- NII論文ID
- 10013272811
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- NII書誌ID
- AN10374478
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- ISSN
- 1884037X
- 09164731
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- NDL書誌ID
- 7029873
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可