Abstract
The turbulent energy model has been developed and extended to study the thermally stratified flow by introducing the Monin-Obukhov length. The turbulent energy is predicted by the model. A zone of minimum turbulent energy, where the mixing processes are less effective, has been predicted as the air flows over the temperature discontinuity. Although the dissipation of turbulent energy exceeds the production, the buoyancy term which is a driving force contributes significantly to the change of turbulent energy. The nondimensional wind shear and nondimensional temperature gradient which may not linearly depend on the Monin-Obukhov stability parameter near the zone of minimum turbulent energy are greater than 1 and 0.74, respectively, for various downstream locations.
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