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曲がりダクト内圧縮性流れに及ぼす曲率の影響
https://jaxa.repo.nii.ac.jp/records/6151
https://jaxa.repo.nii.ac.jp/records/6151e0887154-14a0-48b0-83cc-98da633c1c47
名前 / ファイル | ライセンス | アクション |
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49212018.pdf (2.6 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 | 曲がりダクト内圧縮性流れに及ぼす曲率の影響 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 曲がりダクト | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 円環ダクト | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 局率 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 圧縮性流れ | |||||
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 | ヘリシティ分布 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 縦渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 2次流れ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 変曲点 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 速度分布 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | curved duct | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | annular duct | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | curvature | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | compressible flow | |||||
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 | helicity distribution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | streamwise vortex | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | secondary flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | inflection point | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | velocity distribution | |||||
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 | Curvature effect on a compressible viscous flow in the curved duct with square section | |||||
著者 |
尾崎, 幸玄
× 尾崎, 幸玄× 前川, 博× 松尾, 裕一× Ozaki, Kogen× Maekawa, Hiroshi× Matsuo, Yuichi |
|||||
著者所属 | ||||||
広島大学 大学院 | ||||||
著者所属 | ||||||
広島大学 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 | ||||||
著者所属(英) | ||||||
en | ||||||
Hiroshima University Graduate School | ||||||
著者所属(英) | ||||||
en | ||||||
Hiroshima University | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency | ||||||
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: 航空宇宙数値シミュレーション技術シンポジウム2005論文集 en : JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2005 巻 JAXA-SP-05-017, p. 112-117, 発行日 2006-02-28 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The curvature of the wall along the flow direction gives the fluid particles the centripetal force caused by the pressure gradients, which is essential to make the complicated secondary flow such as the Goertler vortices. In spite of several experimental and numerical researches for the incompressible curved flows, the mechanism causes the secondary flow pattern is not clearly explained. Analyzing the results obtained by direct numerical simulations of the compressible viscous flow in the curved duct for the Dean number Dn = 271, we demonstrate that flow helicity distributions signify the secondary flow well and that the acceleration differences between viscous and inviscid flows are essential to specify the area where the curvature effect of the wall governs the fluid particle motion. Finally, we indicate the generalized inflection points of the simulated flow velocity profiles. | |||||
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: AA0049212018 | |||||
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-05-017 |