MODEL MULTIPLE LAYER POROUS MEDIUM FOR TURBULENCE EFFECT USING NEW INVERSE LOGARITHMIC KERNEL FUNCTION

Several important situations in nature and industry involve turbulent flows through compact porous media. The effects of turbulence on simulated spherical flames at high altitude are investigated using mixtures of pre-vaporized n-dodecane and air. It is shown that the equivalency ratio has a substantially smaller window of validity for effective turbulent ignition compared to laminar ignition. With low spark energies, the range drops more precipitously as the turbulence intensity rises. In addition, the effects of turbulent transport are amplified in complex mixes. According to a study of the energy budget and species profile, turbulence-induced diffusion increases the rate of heat loss during the first stages of kernel development, which may result in a failed ignition attempt. After the flame kernel is created, the flame's forward speed is increased due to turbulence transport's widening of the flame front, which in turn increases the rate of heat release. The proposed findings provide physical knowledge applicable to the development and analysis of turbulent flows over compact porous medium configurations