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超音速境界層の乱流遷移について
https://jaxa.repo.nii.ac.jp/records/5928
https://jaxa.repo.nii.ac.jp/records/5928d7601b22-9056-4961-9e1f-202c36e1f476
名前 / ファイル | ライセンス | アクション |
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63156009.pdf (940.4 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 | 超音速境界層の乱流遷移について | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 超音速境界層 | |||||
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 | 渦構造 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 非線形擾乱 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 超音速風洞 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | シュリーレン写真 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 確率密度分布 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 対数正規分布 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ノズル壁 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 層流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 乱流 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | supersonic boundary layer | |||||
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 | vortical structure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | nonlinear disturbance | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | supersonic wind tunnel | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Schlieren photography | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | probability density distribution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | logarithmic normal 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 | nozzle wall | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | laminar flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | turbulent flow | |||||
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 supersonic boundary layer transition | |||||
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 工学部 | ||||||
著者所属 | ||||||
大阪府立大学 工学部 | ||||||
著者所属(英) | ||||||
en | ||||||
Osaka Prefecture University College of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Osaka Prefecture University College 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. 27-30, 発行日 2007-02-23 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | To obtain a better understanding of the mechanism for supersonic boundary layer transition, experiments are made at Mach number 2.0 by using a small supersonic wind-tunnel, with focusing efforts on finding non-linear disturbances governing the transition. We examine a boundary layer along the nozzle wall and its transition process by means of quantitative schlieren optical system. It is found that vortical structures our schlieren system visualizes are mostly similar to each other in shape, being stick-like and inclined at about 30 to 70 degrees to the wall, and start to grow often forming a group at streamwise stations where the momentum thickness Reynolds number is around 580 and the transition proceeds as they increase in number to cover the whole boundary layer. We examine the statistical feature of such oblique vortical structures using 1,800 samples and show that these structures are important non-linear disturbances as the mechanism of supersonic boundary layer transition. | |||||
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: AA0063156009 | |||||
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 |