ANALYTICAL METHODS FOR VELOCITY DISTRIBUTION AND DIP-PHENOMENON IN NARROW OPEN-CHANNEL FLOWSReportar como inadecuado




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1 EBI - Inst. Polytech. St-Louis

Abstract : In this study, we present analytical tools for velocity distribution in steady uniform open-channel flows. Simple dip-modified laws are presented. An ordinary differential equation based on an analysis of the Reynolds-averaged Navier-Stokes RANS equations is proposed. Comparisons of predicted velocity profiles with experimental data show good agreement. It is well known that dip-phenomenon depends on aspect ratio Ar ratio of the channel width b to the water depth h. Results show that it should depend also on channel slope and friction velocity.





Autor: Rafik Absi -

Fuente: https://hal.archives-ouvertes.fr/



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