Numerical and Experimental Investigation of Confined Turbulent Multiple Transverse Jets (Briefing Charts)

TL;DRAbstract

The flow and mixing properties of confined transverse jets are relevant to a myriad of combustion devices ranging from propulsion to energy generation and chemical processing. The current effort focuses on understanding the mixing process between a transverse jet mixing in a confined system. The current study involves the simulation of a single confined transverse jet configuration under matched conditions of a companion experiment. The main flow Reynolds number considered is in the range of 25000 -53000 and the jet-to-main flow momentum flux ratio is varied from 3.2 -14.3. The momentum and scalar mixing is investigated through the solution of the Reynolds-Averaged Navier Stokes (RANS) equations. The mean scalar mixing characteristics are compared to experimental data. The turbulence model that is used is the low Reynolds number k- model. Due to demonstrated symmetry, only a one-half section of the geometry is considered. All numerical simulations capture salient flow structures such a

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