Flow Regimes in Horizontal Viscous Dam-Break Flow of Clayous Mud
Abstract: The main characteristics of geological flows such as debris flows, avalanches and lahars is due to the relative importance of viscous versus inertial forces in the momentum balance. This paper considers the motion generated by the collapse of a dam-retaining mud, itself modeled as a power-law fluid. The equation of motion is derived in a non-dimensional form and solved analytically with the shallow-water assumption in a dry and smooth horizontal channel. Notably indicated are flow regimes and the effect of the reservoir length as well as the effect of mud rheology on flow development. Then, a parametric study of this model is produced and the effect of mud shear-thinning on flow development is pointed out.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Flow Regimes in Horizontal Viscous Dam-Break Flow of Clayous Mud ; volume:18 ; number:4 ; year:2008 ; pages:43577-1-43577-8 ; extent:8
Applied rheology ; 18, Heft 4 (2008), 43577-1-43577-8 (gesamt 8)
- Urheber
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Nsom, Blaise
Ravelo, Blaise
Ndong, Wilfried
- DOI
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10.1515/arh-2008-0012
- URN
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urn:nbn:de:101:1-2405231830563.068315718711
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:46 MESZ
Datenpartner
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Beteiligte
- Nsom, Blaise
- Ravelo, Blaise
- Ndong, Wilfried
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