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傾斜円柱境界層遷移における進行波不安定性について
https://jaxa.repo.nii.ac.jp/records/37683
https://jaxa.repo.nii.ac.jp/records/3768328f0b695-929c-4c32-9dfc-4eb80c12b798
名前 / ファイル | ライセンス | アクション |
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nalsp0018021.pdf (166.1 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 傾斜円柱境界層遷移における進行波不安定性について | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層遷移 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層制御 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 研究 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 傾斜円柱 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 後退円柱 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 3次元境界層 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層不安定性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 横流れ不安定 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 変曲点不安定 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流体力学的不安定性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 2次不安定 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 横流れ渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 進行波型擾乱 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 回転熱線風速計 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer transition | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer control | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | investigation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | yawed cylinder | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | swept cylinder | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | three dimensional boundary layer | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | cross flow instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | inflectional instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | hydrodynamical instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | secondary instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | cross flow vortex | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | travelling disturbance | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | rotatable hot wire system | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | velocity fluctuation measurement | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Traveling disturbance appearing in yawed cylinder boundary layer transition | |||||
著者 |
小濱, 泰昭
× 小濱, 泰昭× Kohama, Yasuaki |
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著者所属 | ||||||
東北大学 工学部 | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University Faculty of Engineering | ||||||
出版者 | ||||||
出版者 | 航空宇宙技術研究所 | |||||
出版者(英) | ||||||
出版者 | National Aerospace Laboratory (NAL) | |||||
書誌情報 |
航空宇宙技術研究所特別資料 en : Special Publication of National Aerospace Laboratory 巻 18, p. 87-89, 発行日 1992-11 |
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会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 航空宇宙技術研究所 24-25 Sep. 1991 (9th). 16-18 Mar. 1992 (10th) 東京 日本 | |||||
会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | National Aerospace Laboratory 24-25 Sep. 1991 (9th). 16-18 Mar. 1992 (10th) Tokyo Japan | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 斜め円柱の表面上の境界層遷移過程において2つの異なった周波数f1、f2をもつ非定常擾乱が検出された。回転熱線風速計を用いて速度場の詳細な計測を行ったところ、高い周波数(f2)の擾乱は、横流れ渦の上側に局所的に現れる主流方向の変曲点不安定であり、流れ場を直接的に完全な乱流状態にもっていくものであるらしいことが見出された。これらの擾乱の方向と位相速度を計測し、高い周波数成分のもの(f2)は、以前に煙で可視化された2次不安定であることを見出した。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Unsteady disturbances with two different frequency f(sub 1), f(sub 2) were detected in the boundary layer transition process on a yawed cylinder surface. Detailed velocity field measurement were performed using rotatable hot wire system. It was found out that high frequency (f(sub 2)) disturbance seems to be streamwise inflectional instability appeared locally over each top of crossflow vortices, and drive the flow field directly to full turbulent state. Directions and phase velocities of these disturbances are measured and found out that high frequency disturbance (f(sub 2)) is the secondary instability which was visualized by smoke previously. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0289-260X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10097345 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0004167021 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NAL SP-18 |