Abstract
As atmospheric turbulence includes complex physical processes in the planetary boundary layer (PBL), it is difficult to explain the physical phenomena exactly. For this reason, numerical simulation is generally used for the turbulence analysis. In this study, a large eddy simulation (LES) model used three-dimensional incompressible Navier-Stokes equation is calculated for the numerical simulation of turbulent flow and atmospheric pollutant dispersion in the PBL. Instantaneous and detailed flow of velocity component was obtained with LES and horizontal mean vertical profile of potential temperature was indicated typical profile in the PBL. In moment calculation, the maximum value of the variance and skewness of the vertical turbulence velocity normalized by vertical velocity scale\(\overline {w\prime } ^2 /w^2 \) and\(\overline {w\prime } ^2 /w^3 \), are 0.43 and 0.23, respectively.
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