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ノズル内の二次元物体後流によってフラッピングする二次元噴流の渦構造
https://kitami-it.repo.nii.ac.jp/records/6872
https://kitami-it.repo.nii.ac.jp/records/6872ee17cc31-6461-4900-a5b2-e2f62189a1ac
名前 / ファイル | ライセンス | アクション |
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4955.pdf (2.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-04-19 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | ノズル内の二次元物体後流によってフラッピングする二次元噴流の渦構造 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Vortex Structure in a Two-Dimensional Jet Under Flapping motion Generated by Wake of a Cylinder Installed in Nozzle Contraction | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
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 | |||||
その他のタイトル | ||||||
その他のタイトル | Vortex Structure in a Two-Dimensional Jet Under Flapping motion Generated by Wake of a Cylinder Installed in Nozzle Contraction | |||||
著者 |
宮越, 勝美
× 宮越, 勝美× 羽二生, 博之 |
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著者別名 | ||||||
姓名 | MIYAKOSHI, Katsumi | |||||
言語 | en | |||||
著者別名 | ||||||
姓名 | HANIU, Hiroyuki | |||||
言語 | en | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | It is possible to control the spread of a plane jet passively by the vortices from a two-dimensional cylinder installed in the nozzle contraction. In a particular condition of cylinder placement, two distinctive spectral peaks at frequencies f1 and f2 with their averaged frequency at 1/2 the vortex shedding frequency fv were observed, where the jet exhibits flapping motion at low frequency f3 (= f1-f2). The vortex structures in a plane jet under inharmonic excitation were studies by means of hotwire and phase ensemble-averaging techniques. The phase ensemble-averaging results show that the vortex street shed at frequency fv/2 was formed in the jet under inharmonic excitation, and similar vorticity distributions appeared in the upper and lower shear-layers alternately at frequency f3. As the result, within the duration of one flapping motion, successive nine vortices were formed at shedding frequency fv/2 to complete their one cycle of evolution. | |||||
書誌情報 |
日本機械学会論文集B編 巻 70, 号 699, p. 2860-2868, 発行日 2004-11 |
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権利 | ||||||
権利情報 | 社団法人日本機械学会, 宮越勝美,羽二生博之, 日本機械学会論文集B編, 70(699), 2004, 2860-2868. | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
出版者 | ||||||
出版者 | 日本機械学会 | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |