A Simple Solution of the Laminar Dam Break Wave
Publish place: Journal of Applied Fluid Mechanics، Vol: 1، Issue: 1
Publish Year: 1391
Type: Journal paper
Language: English
View: 132
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Document National Code:
JR_JAFM-1-1_001
Index date: 2 September 2023
A Simple Solution of the Laminar Dam Break Wave abstract
The sudden release of a mass of fluid in a channel generates a highly unsteady flow motion, called dam break wave. While industrial fluids exhibit sometimes non-Newtonian behaviours, the viscous fluid flow assumption remains a useful approximation for simplified analyses. In this study, new solutions of laminar dam break wave are proposed for a semi-infinite reservoir based upon the method of characteristics. The solutions yield simple explicit expressions of the wave front location, wave front celerity and instantaneous free-surface profiles that compare favourably with experimental observations. Both horizontal and sloping channel configurations are treated. The simplicity of the equations may allow future extension to more complicated fluid flows.
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A Simple Solution of the Laminar Dam Break Wave authors
H. Chanson
Department of Civil Engineering, The University of Queensland, Brisbane QLD ۴۰۷۲, Australia