||Atmospheric Turbulence and the Dispersal of Atmospheric Pollutants. Volume I.
Donaldso, Coleman duP. ;
||Aeronautical Research Associates of Princeton, Inc., N.J.
||ARAP-186-Vol-1; EPA-68-02-0014; R4-73-016a;
Atmospheric motion ;
Atmospheric diffusion ;
Turbulent diffusion ;
Air pollution ;
Transport properties ;
Equations of motion ;
Mathematical models ;
Boundary layer ;
Dispersing Turbulence ;
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A detailed derivation of the equations describing the generation of turbulence and the transport of pollutants in the atmosphere is given. The equations are closed at the order of the second-order turbulent correlations through the use of models of the higher-order correlations. The resulting invariant second-order closure model is applied to three problems: (1) the generation of turbulence in the surface layer (computed results are compared with AFCRL experimental data); (2) the transport of passive pollutants in the atmosphere (computed results are compared with experimental data and suggestions for improving the model are made); (3) the complete planetary boundary layer for the case of neutral stability for both smooth and rough surfaces. The results of computations are compared with the results of previous investigations.