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平面チャネル流の線形安定性に対する2次元壁面粗さの影響
https://jaxa.repo.nii.ac.jp/records/6207
https://jaxa.repo.nii.ac.jp/records/6207164999ad-49dc-4a18-ac5c-fbbfa4e9575d
名前 / ファイル | ライセンス | アクション |
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49208025.pdf (281.0 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 | 平面チャネル流の線形安定性に対する2次元壁面粗さの影響 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 表面粗さの効果 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 波形板 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流れの安定性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | レイノルズ数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | チャネル流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 乱れ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 遷移流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 層流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 過渡応答 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | surface roughness effect | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | corrugated wall | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flow stability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Reynolds number | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | channel flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | turbulence | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | transition flow | |||||
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 | transient response | |||||
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 | Influence of 2D surface roughness on the linear instability of plane channel flow | |||||
著者 |
浅井, 雅人
× 浅井, 雅人× Floryan, J. M.× 前田, 友規× Asai, Masahito× Floryan, J. M.× Maeda, Yuki |
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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 | ||||||
University of Western Ontario Dept. of Mech. and Materials Engineering | ||||||
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(英) | ||||||
en | ||||||
Tokyo Metropolitan Institute of Technology Department of Aerospace Engineering, Faculty of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
University of Western Ontario Department of Mechanical and Materials Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Metropolitan Institute of Technology Department of Aerospace Engineering, Faculty 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35回・第36回 en : JAXA Special Publication: Proceedings of the 35th and 36th JAXA Workshops on Investigation and Control of Boundary-Layer Transition 巻 JAXA-SP-05-012, p. 81-82, 発行日 2006-02-01 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Experiments on the linear instability of flow in a wavy-wall channel are carried out to examine the effects of 2D distributed surface roughness on the stability of wall-bounded shear flows. One of the channel walls is modified by introduction of the wavy wall model with the amplitude of 4 percent of the channel half height and the wave number of 1.02. The experiment is focused on the two-dimensional traveling wave instability. The results are compared with the theory proposed by Floryan. It is shown that the flow is destabilized by the wall corrugation at subcritical Reynolds numbers below 5,772, as predicted by the theory. For the present corrugation geometry, the critical Reynolds number is decreased down to about 4,000. The spatial growth rates, the disturbance wave numbers and the distribution of disturbance amplitude measured over such wavy wall also agree well with the theoretical results. | |||||
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: AA0049208025 | |||||
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-05-012 |