Numerical study of a quasi-two-dimensional confined turbulent jet
Rustam Mullyadzhanov (Russian Academy of Sciences, Novosibirsk State University)
Boris Ilyushin (Russian Academy of Sciences, Novosibirsk State University)
Muhamed Hadžiabdić (International University of Sarajevo)
Kemal 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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