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Slow flow of a Bingham fluid in a shallow channel of finite width
http://hdl.handle.net/2297/1737
http://hdl.handle.net/2297/17378c6f84b4-f51a-425f-ad36-64733da1131f
名前 / ファイル | ライセンス | アクション |
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S0022112000003013a.pdf (2.5 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Slow flow of a Bingham fluid in a shallow channel of finite width | |||||
言語 | ||||||
言語 | eng | |||||
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 | journal article | |||||
著者 |
Chiang, Mei
× Chiang, Mei× Yuhi, Masatoshi |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学大学院自然科学研究科 | |||||
書誌情報 |
Journal of Fluid Mechanics 巻 431, p. 135-159, 発行日 2001-03-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0022-1120 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1017/s0022112000003013 | |||||
出版者 | ||||||
出版者 | Cambridge University Press | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We present a theory for the three-dimensional flow of a Bingham-plastic fluid in a shallow and wide channel. Focusing attention on slow flows appropriate for gentle slopes, low discharge rates or the final stage of deposition, we ignore inertia and apply the long-wave approximation. For steady flows, the velocity distribution, total discharge, and section-averaged flux are obtained analytically in terms of the fluid property and the geometry of the channel cross-section. Nonlinear stationary waves, which connect a uniform depth upstream to another uniform depth downstream, are then investigated, for both wet and dry beds. A numerical scheme is applied to calculate the transient flow evolution. The final development of the stationary wave due to steady discharge upstream is obtained numerically and the relation between the tongue-like shape of the wave front and the fluid property is discussed. The phase speed of the stationary wave is also derived analytically. Finally, the transient spreading of a finite fluid mass released from a reservoir after a dam break is simulated numerically. The transient development of the front and the final extent of deposition are examined. | |||||
権利 | ||||||
権利情報 | Copyright © 2004 Cambridge University Press | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://journals.cambridge.org/action/displayJournal?jid=FLM |