Reference : Turbulent dispersion in bounded horizontal jets. RANS capabilities and physical model...
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Engineering, computing & technology : Civil engineering
Turbulent dispersion in bounded horizontal jets. RANS capabilities and physical modeling comparison
Valero Huerta, Daniel mailto [Université de Liège - ULiège > > > Form. doct. sc. ingé. & techn. (archi., gén. civ. - paysage)]
Bung, Daniel B. mailto []
Oertel, Mario mailto []
Sustainable Hydraulics in the Era of Global Change
Erpicum, Sébastien mailto
Dewals, Benjamin mailto
Archambeau, Pierre mailto
Pirotton, Michel mailto
Taylor & Francis Group
4th IAHR Europe Congress
from 27-7-2016 to 29-7-2016
University of Liège
[en] Accurate prediction of contaminant concentrations can yield improved outfall structures design,
reducing economical expenses and environmental impact. Conventionally, cost intensive physical modeling or simplified integral approach models have been employed despite their drawbacks and limitations. In the present paper, two jet setups have been studied by means of 3D Reynolds Averaged Navier-Stokes equations and experimental modeling. Both jet cases correspond to turbulent horizontal jets, bounded by the channel bed, which might be found in common environmental discharges. Three of the most widely employed turbulence models up to date have been investigated (namely standard k-ε, RNG k-ε and k-ω), analyzing their performance
on the jet trajectory estimation. For the best performance’s model, RNG k-ε and for both jets cases of
the present study, analysis has been extended to the turbulence diffusion estimation by defining a turbulent
Schmidt number.
Urban and Environmental Engineering
Researchers ; Professionals

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