Random walk models

Hesham El-Batsh

I am simulating particle dispersion due to turbulence in the boundary layer using random walk models available in FLUENT. Part of the boundary layer is laminar flow and in this part, I would like to set the turbulent kinetic energy to zero to ignore the effect of turbulent fluctuating velocity in the particle movement. Could someone tell me whether this assumption is correct or not. Do you know some materials concerning the value of turbulent kinetic energy in the laminar boundary layer and its distribution as a function of wall units Y+.