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ストリーク不安定の実験
https://jaxa.repo.nii.ac.jp/records/5926
https://jaxa.repo.nii.ac.jp/records/592651e4dd1d-625c-4e1e-8dc3-fe22b12a3214
名前 / ファイル | ライセンス | アクション |
---|---|---|
63156007.pdf (2.0 MB)
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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 | ストリーク不安定の実験 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ストリーク不安定 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 過渡増幅 | |||||
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 | 層流境界層 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 風洞試験 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 粒子画像速度計測法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | スモークワイヤ法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 速度分布 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 増幅 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流れの可視化 | |||||
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 | Sinuousモード | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | streak instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | transient growth | |||||
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 | laminar boundary layer | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | wind tunnel test | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | particle image velocimetry | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | smokewire method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | velocity distribution | |||||
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 | amplification | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flow visualization | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sinuous mode | |||||
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 | Experimental investigation of the streak instability | |||||
著者 |
浅井, 雅人
× 浅井, 雅人× 小西, 康郁× Asai, Masahito× Konishi, Yasufumi |
|||||
著者所属 | ||||||
首都大学東京 大学院システムデザイン研究科 | ||||||
著者所属 | ||||||
東京都立科学技術大学 大学院工学研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Metropolitan University Graduate School of System Design | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Metropolitan Institute of Technology Graduate School of Engineering | ||||||
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37回・第38回 en : JAXA Special Publication: Proceedings of the 37th and 38th JAXA Workshops on Investigation and Control of Boundary-Layer Transition 巻 JAXA-SP-06-013, p. 21-24, 発行日 2007-02-23 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Two kinds of experiments are carried out on the instability and breakdown of low-speed streaks. First the development of subharmonic streak instability is examined by using artificially-generated spanwise-periodic low-speed streaks in a laminar boundary layer. Up to the nonlinear saturation stage of the streak instability, the disturbance development along each low-speed streak is similar to that observed in a single low-speed streak. Beyond the saturation stage, the neighboring quasi-streamwise vortices developing along each low-speed streak interact with each other, causing an arch-like vortex structure to develop away from the wall. After the breakdown of the primary low-speed streaks, near-wall streaks newly develop downstream. The developed low-speed streaks have lateral spacing of 100 wall units, the same as the value in wall turbulence. Secondly two-dimensional suction is applied to a turbulent boundary layer through a perforated wall strip to realize a quasi-laminar boundary layer with suction-survived high-intensity turbulence, and spanwise-periodic low-speed streaks are artificially introduced there. The results show that under such high-intensity background turbulence the streak breakdown is governed not by the linear instability process but by the transient disturbance growth. | |||||
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: AA0063156007 | |||||
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-06-013 |