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矩形超音速ノズル境界層の不安定性について
https://jaxa.repo.nii.ac.jp/records/5653
https://jaxa.repo.nii.ac.jp/records/5653f0b20bbc-8b57-47f1-ae68-15bbabcbc1af
名前 / ファイル | ライセンス | アクション |
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63608008.pdf (672.0 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 矩形超音速ノズル境界層の不安定性について | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 矩形ノズル | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 超音速ノズル | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ノズル流 | |||||
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 | 境界層剥離 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 剥離流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 超音速流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 計算機シミュレーション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層厚さ | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | rectangular nozzle | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | supersonic nozzle | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | nozzle flow | |||||
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 separation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | separated flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | supersonic flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vortex | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | computerized simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer thickness | |||||
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 | On the boundary layer instability of a supersonic rectangular nozzle | |||||
著者 |
坂上, 昇史
× 坂上, 昇史× 西岡, 通男× Sakaue, Shoji× Nishioka, Michio |
|||||
著者所属 | ||||||
大阪府立大学 | ||||||
著者所属 | ||||||
大阪府立大学 | ||||||
著者所属(英) | ||||||
en | ||||||
Osaka Prefecture University | ||||||
著者所属(英) | ||||||
en | ||||||
Osaka Prefecture University | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料: 境界層遷移の解明と制御研究会講演論文集 第39回 en : JAXA Special Publication: Proceedings of the 39th JAXA Workshops on Investigation and Control of Boundary-Layer Transition 巻 JAXA-SP-07-009, p. 23-26, 発行日 2007-12-28 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | This numerical study examines the supersonic rectangular-nozzle flow by focusing attention on the development of secondary flow and corner-flow and their effects on the boundary layer instability and transition. The results show that secondary flows appear in the side wall boundary layers and form into streamwise vortices in the corner region immediately behind the throat station where the boundary layer momentum thickness Reynolds number is 400. The streamwise vortex increases in number downstream and induces a local normal-to-wall flow as large as 4 percent of the local mainstream. The present simulation is in good agreement with the corresponding experiment, in particular, on the appearance of cross-flow instability on the side wall boundary layer and the streamwise location where the streamwise vortex first appears. The corner-flow is found to be of extremely unstable nature suggesting that the turbulent transition observed is directly caused by the corner-flow disturbances. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0063608008 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-07-009 |