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周囲流体より軽い渦輪の鉛直挙動
https://jaxa.repo.nii.ac.jp/records/5927
https://jaxa.repo.nii.ac.jp/records/59271d1d954d-6bfc-49a2-80e6-98cc12b42a99
名前 / ファイル | ライセンス | アクション |
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63156008.pdf (363.6 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 周囲流体より軽い渦輪の鉛直挙動 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 渦輪 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 浮力 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 渦度 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 数値解析 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 運動方程式 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ボルツマン輸送方程式 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 密度差 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | モル濃度 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 負の渦度 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流速 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 傾圧性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 垂直運動 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vortex ring | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | buoyancy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vorticity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | numerical analysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | equation of motion | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Boltzmann transport equation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | density difference | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | molar concentration | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | negative vorticity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flow velocity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | baroclinity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vertical motion | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Vertical movement of vortex ring with smaller density than ambient | |||||
著者 |
益田, 重明
× 益田, 重明× 有薗, 智之× Masuda, Shigeaki× Arizono, Tomoyuki |
|||||
著者所属 | ||||||
慶應義塾大学 理工学部 機械工学科 | ||||||
著者所属 | ||||||
慶應義塾大学 大学院理工学研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
Keio University Department of Mechanical Engineering, Faculty of Science and Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Keio University Graduate School of Science and Technology | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料: 境界層遷移の解明と制御研究会講演論文集 第37回・第38回 en : JAXA Special Publication: Proceedings of the 37th and 38th JAXA Workshops on Investigation and Control of Boundary-Layer Transition 巻 JAXA-SP-06-013, p. 25-26, 発行日 2007-02-23 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The purpose of the present investigation is to reveal the effect of buoyancy on vertical movement of a laminar vortex ring whose density is smaller than ambient. Its downward motion may be obstructed by buoyancy and travel distance may be reduced. The numerical simulation based on the finite volume method is performed assuming axisymmetry and incompressibility. Vertical movement is significantly obstructed by small density difference even below 0.1 percent. The ring is decelerated, its diameter is reduced and the circulation decreases with higher rate than uniform density. Due to the baroclinic generation of negative vorticity, the outer part of a ring is gradually peeled away and finally stops to descend. The buoyancy effect decreases relatively with increasing initial circulation. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0063156008 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-06-013 |