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衝撃波流れによって形成される粉塵雲の数値シミュレーション
http://hdl.handle.net/2237/9089
http://hdl.handle.net/2237/908939e86dbe-6edf-4c96-9cc3-19e16d1b82b1
名前 / ファイル | ライセンス | アクション |
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JsMecEngB_71-703-760.pdf (622.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-12-05 | |||||
タイトル | ||||||
タイトル | 衝撃波流れによって形成される粉塵雲の数値シミュレーション | |||||
言語 | ja | |||||
その他のタイトル | ||||||
その他のタイトル | Numerical Simulation of Dust Cloud Formed by Shock-Induced Flow | |||||
言語 | en | |||||
著者 |
土井, 克則
× 土井, 克則× DOI, Katsunori× MEN'SHOV, Igor× 中村, 佳朗× NAKAMURA, Yoshiaki |
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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 | |||||
権利 | ||||||
言語 | ja | |||||
権利情報 | 日本機械学会 | |||||
権利 | ||||||
言語 | ja | |||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである。 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Dust Cloud | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Shock Wave | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Multi-phase Flow | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Discrete Model | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Numerical Analysis | |||||
抄録 | ||||||
内容記述 | When a shock wave propagates over a dust layer composed of many small solid particles, the particles are lifted and dispersed, leading to a dust cloud in the shock-induced flow. In the present study, the initial process of forming the dust cloud was numerically simulated to examine its dynamic mechanism. A continuous model was used for the gas phase and a discrete model for the solid particles, where gas-particle and particle-particle interactions were taken into account. The simulated dust cloud was close to experimental results. It was found by comparing several types of dust layers that the upward velocity of lifted particles was more produced by particle-particle interactions than by fluid lift forces such as the Saffman force and the Magnus force. Moreover, it was confirmed that a relatively strong downward flow was induced just behind the foot of the shock by its curved shape, which promotes the interactions and causes an overpressure on the wall. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | ja | |||||
出版者 | 日本機械学会 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連情報 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110005051464/ | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0387-5016 | |||||
書誌情報 |
ja : 日本機械学會論文集 B編 巻 71, 号 703, p. 760-765, 発行日 2005-03 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/9089 | |||||
識別子タイプ | HDL |