Numerical study of a quasi-two-dimensional confined turbulent jet
R. Mullyadzhanov (Russian Academy of Sciences, Novosibirsk State University)
Boris Ilyushin (Russian Academy of Sciences, Novosibirsk State University)
Muhamed Hadžiabdić (International University of Sarajevo)
K Hanjalić (Novosibirsk State University, TU Delft - ChemE/Transport Phenomena)
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Abstract
Large-eddy simulations of a wall-bounded turbulent slot-jet have been performed to analyze the dynamics of quasi-two-dimensional large-scale meandering vortical structures and their interaction with small-scale stochastic turbulence. Despite a wide scale separation, LES indicate that there is an energy exchange between the two spectral ranges in both directions. The phenomenon is of relevance to fluid/pollutant discharge into shallow rivers or water basins.
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