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Experiments on turbulent flow in a square duct with a rough wall
https://doi.org/10.18999/memfenu.41.2.280
https://doi.org/10.18999/memfenu.41.2.280959e43b8-432f-4ae0-9399-fe316269bedc
名前 / ファイル | ライセンス | アクション |
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2020-10-29 | |||||
タイトル | ||||||
タイトル | Experiments on turbulent flow in a square duct with a rough wall | |||||
言語 | en | |||||
著者 |
Fujita, Hideomi
× Fujita, Hideomi× Hirota, Masafumi× Yokosawa, Hajime |
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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 | The purpose of this experimental study is to make clear the characteristics of a fully developed turbulent flow in a square duct with the bottom wall rough and the remaining walls smooth. Detailed and reliable results have been obtained by hot-wire anemometry for such quantities as primary flow velocity, secondary flow velocities, turbulence intensities, and turbulent shear stresses. A pattern of secondary flow very different from those reported until now has been found in the rough duct: only two large, contra-rotating longitudinal vortices have appeared in any given cross-section. Moreover, not only anisotropy of normal stresses ( ¥overline¥u[2/2] –¥overline¥u[2/3]) but also turbulent shear stress ¥overline¥u[2]u[3] in the rough duct has been found to be an important contributor to the generation of the secondary flow of Prandtl's second kind. | |||||
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.41.2.280 | |||||
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 41, 号 2, p. 280-294, 発行日 1990-03-31 |
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著者版フラグ | ||||||
値 | publisher |