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乱流境界層外層域の擬周期性について
https://jaxa.repo.nii.ac.jp/records/38203
https://jaxa.repo.nii.ac.jp/records/38203e2a530bd-b594-46a5-999a-3a3b949e9f7f
名前 / ファイル | ライセンス | アクション |
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nalsp0056012.pdf (879.3 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 | 乱流境界層外層域の擬周期性について | |||||
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 | 渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | パワースペクトル | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 対称流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | モード不安定性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 準周期性 | |||||
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 | 流れ分布 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 研究開発 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ミラーイメージ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Kelvin-Helmholtz不安定性 | |||||
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 | vortex | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | power spectrum | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | symmetric flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | mode instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | quasi-periodicity | |||||
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 | flow distribution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | research and development | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | mirror image | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Kelvin-Helmholtz instability | |||||
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 quasi-periodicity in the outer layer of a turbulent boundary layer | |||||
著者 |
早川, 道雄
× 早川, 道雄× 小橋, 安次郎× Hayakawa, Michio× Kobashi, Yasujiro |
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著者所属 | ||||||
北海道大学 工学部 機械工学科 | ||||||
著者所属 | ||||||
北海道工業大学 | ||||||
著者所属(英) | ||||||
en | ||||||
Hokkaido University Department of Mechanical Science, Faculty of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Hokkaido Institute of Technology | ||||||
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: 境界層遷移の解明と制御研究会講演論文集 第29回・第30回 en : Special Publication of National Aerospace Laboratory: Proceedings of the 29th and 30th NAL Workshops on Investigation and Control of Boundary-Layer Transition 巻 56, p. 41-44, 発行日 2002-12 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A model calculation is made to interpret the quasi-periodic nature of the large eddies in the outer layer of a flat plate turbulent boundary layer, in that the boundary layer flow is modeled by using a 2D discrete vortex method. The power spectrum of velocity fluctuations shows the presence of quasi-periodic motion in the model flow. It is argued that a possible mechanism responsible to the occurrence of the quasi-periodicity might be the inviscid, varicose-mode instability of a symmetric flow which consists of a boundary layer flow and its mirror image with respect to the wall. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1347-457X | |||||
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: AA0045947012 | |||||
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-56 |