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An experimental study on flow around two-dimensional models with reference to bed from porpagation
https://doi.org/10.18999/memfenu.33.2.215
https://doi.org/10.18999/memfenu.33.2.215ca132134-e441-466a-9622-6411c12e592e
名前 / ファイル | ライセンス | アクション |
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33-2-06.pdf (2.6 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2020-11-24 | |||||
タイトル | ||||||
タイトル | An experimental study on flow around two-dimensional models with reference to bed from porpagation | |||||
言語 | en | |||||
著者 |
Nakagawa, Takeo
× Nakagawa, Takeo× Takagi, Fusetsu |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
抄録 | ||||||
内容記述 | An experimental study on the flow around wavy models has been made. All of the models has two crests and two-dimensional profile. It is found that the flow instability around the models depends on the Reynolds number R_∞=U_∞ h⁄υ, where U_∞ is the free stream velocity, h the model height and υ the kinematic viscosity of the fluids, and the steepness S=h⁄λ, where λ is the model wave length, but the flow separation depends on the steepness only. Also, found are that on the surface of the models there appear Taylor-Görtler type vortices once the Reynolds number exceeds the critical value and that the form of the vortices is deformed depending on the Reynolds number and the model profile. On the basis of the present experiment, it is suggested that the intensity and scale of the separation eddy are decisive factors for bed form propagation. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Faculty of Engineering, Nagoya University | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
ID登録 | ||||||
ID登録 | 10.18999/memfenu.33.2.215 | |||||
ID登録タイプ | JaLC | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0027-7657 | |||||
書誌情報 |
en : Memoirs of the Faculty of Engineering, Nagoya University 巻 33, 号 2, p. 215-227, 発行日 1982-03-31 |
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著者版フラグ | ||||||
値 | publisher |