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スピンアップ過程における渦崩壊の発生機構に関する数値的研究
https://metro-cit.repo.nii.ac.jp/records/47
https://metro-cit.repo.nii.ac.jp/records/47cd0ea340-2755-4527-80ac-2d1687eb5ea6
名前 / ファイル | ライセンス | アクション |
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KJ00005075394 (382.2 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-03-01 | |||||
タイトル | ||||||
タイトル | スピンアップ過程における渦崩壊の発生機構に関する数値的研究 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Numerical study on physical mechanism of vortex breakdown occurrence in spin-up process | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Vortex Breakdown | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Spin-up Process | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Confined Swirling Flow | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(日) |
小出, 輝明
× 小出, 輝明 |
|||||
著者名よみ |
コイデ, テルアキ
× コイデ, テルアキ |
|||||
著者名(英) |
Koide, Teruaki
× Koide, Teruaki |
|||||
著者所属(日) | ||||||
東京都立産業技術高等専門学校 | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A Numerical study presented on a vortex breakdown in spin-up process in an enclosed cylindrical container. In a transitional state, momentary vortex breakdowns can occur for particular parameter values ofthe Reynolds number and aspect ratio where no vortex breakdown appears in a steady state. This transient vortex breakdown flow is convenient to consider a mechanism for the occurrence of a vortex breakdown. It isdiscussed that periodical increase and decrease of angular momentum in upstream of the flow leads to the occurrence of momentary vortex breakdown. Regions for momentary vortex breakdown in spin-upoccurrence are shown in the Re-H/R plane for comparison with regions for steady vortex breakdown occurrence. The character of the regions for momentary vortex breakdown where no upper limit of Reynoldsnumber exists is found to be very different from that of the regions for steady vortex breakdown. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12210629 | |||||
書誌情報 |
東京都立産業技術高等専門学校研究紀要 en : Research reports of Tokyo Metropolitan College of Industrial Technology 巻 2, p. 70-73, 発行日 2008-03 |