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水--マイクロバブル2相流の流動特性--速度分布測定および流動状態の可視化
https://kindai.repo.nii.ac.jp/records/12832
https://kindai.repo.nii.ac.jp/records/12832c64e9eca-4e87-4239-8b5f-565b61c6fd78
名前 / ファイル | ライセンス | アクション |
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AA12315376-20140315-0001.pdf (2.4 MB)
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Item type | ☆紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2014-07-01 | |||||
タイトル | ||||||
タイトル | 水--マイクロバブル2相流の流動特性--速度分布測定および流動状態の可視化 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Flow Characteristics of Water-Microbubble Two-Phase Flow | |||||
著者 |
荒賀, 浩一
× 荒賀, 浩一× 村田, 圭治 |
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言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | Micro bubble, Drag Reduction, Two phase 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 | |||||
著者(英) | ||||||
en | ||||||
ARAGA, Koichi | ||||||
著者(英) | ||||||
en | ||||||
MURATA, Keiji | ||||||
著者 所属 | ||||||
近畿大学工業高等専門学校総合システム工学科機械システムコース | ||||||
著者 所属 | ||||||
近畿大学工業高等専門学校総合システム工学科機械システムコース | ||||||
著者所属(翻訳) | ||||||
Kinki University Technical College | ||||||
著者所属(翻訳) | ||||||
Kinki University Technical College | ||||||
版 | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 名前 | ||||||
出版者 | 近畿大学工業高等専門学校 | |||||
書誌情報 |
近畿大学工業高等専門学校研究紀要 en : Research reports Kinki University Technical College 巻 7, p. 1-3, 発行日 2014-03-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18824374 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | It is known that small quantities of surfactant additives can greatly reduce the friction factors during the flow of a heat transfer medium. This is because the generation of turbulent vortices is suppressed by the formation of rod-like micelles, and the flow remains laminar in the high Reynolds number range. However, the method by surfactant additive would be limited to just the closed loop system because of environmental impacts. On the other hand, the method by microbubble injection into water has attracted a lot of attention because of the low environmental impact. However, the drag reduction effect of microbubble injection often remains unclear, including their mechanisms. In addition, there are very few reports on drag reducing effect of microbubble injection into pipe flows. This paper describes the experimental results of water-microbubble two phase flows in a horizontal pipe. As experimental results of the friction factor, flow visualization and velocity profile, the drag reducing effect of microbubble injection was not observed in this experiment. The flow characteristics were quite similar to water single phase flow. | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |