Modeling of impinging turbulent jets and premixed flames

The paper reports impinging jet studies under isothermal and combustion conditions. Three turbulence models are applied to the numerical prediction of an isothermal turbulent impinging jet. The predictions are compared with experimental data. Based on the results an appropriate turbulence model is selected to model a premixed jet flame impinging on a solid surface. In addition to the modeling of the turbulent fluid flow, mass transfer and combustion are modeled with a two equation model simulating volumetric and kinetically controlled chemical reaction rates. Modeling of heat transfer accounts for convection and radiation effects. The results establish that appropriate choice of turbulence and combustion models can lead to accurate prediction of the flow characteristics.