WEKO3
アイテム
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保存性傾斜サーマルの流動特性 : 数値解析と画像解析
http://hdl.handle.net/10649/609
http://hdl.handle.net/10649/609e56ae73c-ea0a-40e4-850a-210cf223a0ce
名前 / ファイル | ライセンス | アクション |
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K24_2.pdf (346.6 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2011-02-15 | |||||
タイトル | ||||||
タイトル | 保存性傾斜サーマルの流動特性 : 数値解析と画像解析 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | conservative inclined thermals | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | k-ε turbulence model | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | numerical analysis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | image analysis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | powder snow avalanches | |||||
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 |
福嶋, 祐介
× 福嶋, 祐介× 高木, 正徳× 榎本, 真人× 衛藤, 俊彦 |
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著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 3406 | |||||
姓名 | FUKUSHIMA, Yusuke | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 3407 | |||||
姓名 | TAKAGI, Masanori | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 3408 | |||||
姓名 | ENOMOTO, Masato | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 3409 | |||||
姓名 | ETO, Toshihiko | |||||
著者所属 | ||||||
値 | 長岡技術科学大学環境・建設系 | |||||
著者所属 | ||||||
値 | ダイナム | |||||
著者所属 | ||||||
値 | 中部 | |||||
著者所属 | ||||||
値 | 長岡技術科学大学エネルギー・環境工学専攻 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The negative buoyancy of a conservative gravity current is kept into constant in the travel direction. On the other hand, negative buoyancy changes in the travel direction in a non-conservative gravity current. The saline thermal belongs to the conservative one. The particle gravity current belongs to the non-conservative one. The objectives of this study are to investigate the flow properties of the conservative inclined thermals by experiments, to obtain the velocity vectors using the image processor, and to compare the experimental results to the numerical ones of velocity fields. Also, the experimental results of the travel speed and the maximum thickness are compared with the numerical ones. The numerical model is based on the k-ε turbulence model and the SIMPLE model to discretize the partial differential equations. Those experimental results are explained by the numerical analysis. Three typical velocity vectors are found out, i.e. the roll up vectors in the front region, the strong vectors in the travel direction and the entrained vectors in the back region. | |||||
書誌情報 |
長岡技術科学大学研究報告 巻 24, p. 13-22, 発行日 2002-01-15 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0388-5631 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00177120 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
その他のタイトル | ||||||
その他のタイトル | Dynamics of Conservative Inclined Thermal -Numerical Analysis and Image Analysis | |||||
出版者 | ||||||
出版者 | 長岡技術科学大学 |