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規格・テクニカルリポート類

周期的外乱を受けるバックステップ乱流の大規模構造について

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周期的外乱を受けるバックステップ乱流の大規模構造について

Material type
規格・テクニカルリポート類
Author
吉岡, 修哉ほか
Publisher
航空宇宙技術研究所
Publication date
2000-12
Material Format
Digital
Capacity, size, etc.
-
NDC
-
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Notes on use

Note (General):

27-28 Sept. 1999 (25th). 27-28 Mar. 2000 (26th)The large-scale vortical structure in the periodically perturbed turbulent separated flow is experiment...

Detailed bibliographic record

Summary, etc.:

周期的摂動乱流はく離流における大規模渦構造を実験的に検討した。再付着促進に対し最も効果的な周波数を持つ摂動はせん断層中への誘導渦数が最も多い。一方、最効果的周波数よりも低いまたは高い周波数を持つ摂動は渦の誘導数が少ない。本論文では、せん断層内の誘導渦構造と運動量輸送の強化との間の関係を詳細に論じた。...

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Bibliographic Record

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Digital

Material Type
規格・テクニカルリポート類
Author/Editor
吉岡, 修哉
小尾, 晋之介
益田, 重明
Yoshioka, Shuya
Obi, Shinnosuke
Masuda, Shigeaki
Publication, Distribution, etc.
Publication Date
2000-12
Publication Date (W3CDTF)
2000-12
Alternative Title
Large scale vortical structure in the periodically perturbed turbulent separated flow over the backward-facing step
Periodical title
航空宇宙技術研究所特別資料
No. or year of volume/issue
47
Volume
47
Pages
65-66
ISSN (Periodical Title)
ISSN : 0289-260X
Text Language Code
jpn
Target Audience
一般
Note (General)
27-28 Sept. 1999 (25th). 27-28 Mar. 2000 (26th)
The large-scale vortical structure in the periodically perturbed turbulent separated flow is experimentally investigated. The perturbation with the most effective frequency on the reattachment promotion induces the highest number of vortices into the shear layer. On the other hand, the perturbation with the lower or the higher frequency than the most effective frequency introduces fewer vortices. The details of the relationship between the induced vortical structures in the shear layer and the enhancement of the momentum transport are discussed in this paper.
資料番号: AA0028636020
レポート番号: NAL SP-47
Access Restrictions
インターネット公開
Data Provider (Database)
国立情報学研究所 : 学術機関リポジトリデータベース(IRDB)(機関リポジトリ)
Original Data Provider (Database)
宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ