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乱流渦と乱流場との相互作用について
https://jaxa.repo.nii.ac.jp/records/6195
https://jaxa.repo.nii.ac.jp/records/6195fb476a40-b5ee-40b6-9015-80cf77b10e0f
名前 / ファイル | ライセンス | アクション |
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49208013.pdf (423.6 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 | 乱流渦と乱流場との相互作用について | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 円柱渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 乱れ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 直接数値シミュレーション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ナビエ-ストークス方程式 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | エネルギースペクトル | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 1様等方性乱流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流れ場 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | レイノルズ数 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | columnar vortex | |||||
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 | direct numerical simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Navier-Stokes equation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | energy spectrum | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | homogeneous isotropic turbulence | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flow field | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Reynolds number | |||||
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 | Interaction between a columnar vortex and turbulence | |||||
著者 |
高橋, 直也
× 高橋, 直也× 高橋, 匡康× 宮嵜, 武× Takahashi, Naoya× Takahashi, Tadayasu× Miyazaki, Takeshi |
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著者所属 | ||||||
電気通信大学 電気通信学部 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 | ||||||
著者所属 | ||||||
電気通信大学 電気通信学部 | ||||||
著者所属(英) | ||||||
en | ||||||
University of Electro-Communications Faculty of Electro-Communications | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency | ||||||
著者所属(英) | ||||||
en | ||||||
University of Electro-Communications Faculty of Electro-Communications | ||||||
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. 39-42, 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 | The interaction between a, columnar vortex and external turbulence is investigated numerically. As the columnar vortex, the Lamb-Oseen vortex is used. The columnar vortex is immersed in an initially isotropic homogeneous turbulence field, which itself is product by a direct numerical simulation of decaying turbulence. Statistical quantities, such as two-point-energy-spectra and two-point-enstrophy-spectra, are evaluated and compared with the theoretical prediction theory (RDT). The axial velocity correlation dominates near the vortex surface, whereas the radial velocity correlation becomes lager where the worms are wrapped. Where the columnar vortex is strong compared with the external turbulence, external velocity disturbances are blocked by the vortex and they cannot penetrate into the vortex core directly, whereas various types of vortex waves are excited. | |||||
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: AA0049208013 | |||||
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 |