書誌事項
- タイトル別名
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- Coherent structure of a d-type rough wall boundary layer in a fully rough regime : analysis with the VITA technique
- カンゼン ソメン リョウイキ ニオケル dガタ ソメン キョウカイソウ ノ ソシキ コウゾウ : VITAホウ ニヨル カイセキ
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抄録
Coherent structure of a d-type rough wall boundary layer at a momentum thickness Reynolds number of R_θ≒5000 has been investigated experimentally. The conditional averaged signals and mean bursting frequency were obtained with the VITA technique. The results show that the bursting phenomenon does exist even in the present rough wall flow. However, the intensity of ejection process is smaller than that of the d-type rough wall flow at R_θ≒800. The mean bursting frequency non-dimensionalized with the wall units takes almost the same value both in the present flow and the smooth wall flow.
収録刊行物
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- 山口大学工学部研究報告
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山口大学工学部研究報告 42 (1), 1-6, 1991-10
山口大学工学部
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詳細情報 詳細情報について
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- CRID
- 1050564287404255616
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- NII論文ID
- 110000216876
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- NII書誌ID
- AN00244228
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- ISSN
- 03727661
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- NDL書誌ID
- 3739025
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
- CiNii Articles