Large-Eddy Simulations of T-shaped Open-Channel Confluences With Different Downstream Channel Widths

Pedro Xavier Ramos, Laurent Schindfessel, João Pedro Pêgo & Tom De Mulder
Confluences of open-channel flows are common in nature as well as in urban drainage networks and in hydraulic structures. The complex hydrodynamics is often studied in schematized, right-angled confluences. In this paper, the influence of the downstream channel width onto time-averaged and turbulent flow features will be investigated numerically, based on Large-Eddy Simulations. For one flow situation, i.e. flow ratio and downstream Froude number, two geometries will be compared: a discordant width case, which was...
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