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壁乱流構造に対する境界層吸込みの影響:再層流化と再遷移過程
https://jaxa.repo.nii.ac.jp/records/41374
https://jaxa.repo.nii.ac.jp/records/41374b6c3744b-c008-444c-92a5-275d3eecd498
名前 / ファイル | ライセンス | アクション |
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nalsp0047014.pdf (1.5 MB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 壁乱流構造に対する境界層吸込みの影響:再層流化と再遷移過程 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 乱流境界層 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層吸込み | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 壁乱流構造 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 再層流化 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 再遷移過程 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | コヒーレント構造 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 低周波変動 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 低速ストリーク | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | バックグラウンド乱流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 吸込み領域 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | turbulent boundary layer | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer suction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | wall turbulence structure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | relaminarization | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | retransition process | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | coherent structure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | low frequency fluctuation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | low speed streak | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | background turbulence | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | suction area | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Influence of boundary-layer suction on wall turbulence structures: Laminarization and re-transition processes | |||||
著者 |
浅井, 雅人
× 浅井, 雅人× 星, 武志× 田部井, 康一× Asai, Masahito× Hoshi, Takeshi× Tabei, Koichi |
|||||
著者所属 | ||||||
東京都立科学技術大学 工学部 航空宇宙システム工学科 | ||||||
著者所属 | ||||||
トヨタ | ||||||
著者所属 | ||||||
東京都立科学技術大学 大学院 | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Metropolitan Institute of Technology Department of Aerospace Engineering, Faculty of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Toyota Motor Corporation | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Metropolitan Institute of Technology Graduate School | ||||||
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 47, p. 43-46, 発行日 2000-12 |
|||||
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 | 27-28 Sept. 1999 (25th). 27-28 Mar. 2000 (26th) | |||||
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 | 27-28 Sept. 1999 (25th). 27-28 Mar. 2000 (26th) | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 吸込み領域下流における再遷移過程時の壁近傍コヒーレント構造の発達を調べるため、短尺多孔質板を通して乱流境界層に境界層吸込みを適用させた。吸込み作用のため再層流化時に壁近傍では低周波変動が著しく抑制され、その変動が吸込み領域のすぐ下流で成長を開始し壁乱流になる。再遷移過程時の壁近傍低周波変動の成長が、壁近傍低速ストリークの出現と蛇行に関連すること、ストリークが高強度バックグラウンド乱流により引き起こされるバイパス境界層遷移の原因であることが分かった。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Boundary layer suction is applied to a turbulent boundary layer through a short porous strip to examine the development of near-wall coherent structures in the re-transition process downstream of the suction area. Low-frequency fluctuations are markedly suppressed near the wall during re-laminarization due to the suction, and they start to grow immediately downstream of the suction area, leading to wall turbulence. The growth of near-wall low-frequency fluctuations in the re-transition process is found to be associated with the appearance and meandering of near-wall low-speed streaks, which are responsible for the by-pass boundary-layer transition caused by high-intensity background turbulence. | |||||
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: AA0028636014 | |||||
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-47 |