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Wind Veer and Speed in Turbulent Ekman Flow–Part II: Comparison to LES for Atmospheric Reynolds NumbersNARA Subscribed
The atmospheric boundary layer is characterized by a logarithmic increase in wind speed within the surface layer and a turning of the wind vector aloft. The simplest canonical configuration featuring both a logarithmic layer and wind turning is Ekman flow. A formulation of the mean velocity profile was derived from scaling considerations and calibrated using direct numerical simulation (DNS) in Part I of this work. Here, we ex...
Grid-Resolution Requirements for Large-Eddy Simulations of the Atmospheric Boundary LayerNARA Subscribed
Large-eddy simulations are widely used to study flows in the atmospheric boundary layer. As atmospheric boundary-layer flows of different atmospheric stratification have very different flow characteristics on different length scales, well-resolved simulations of these flows require very different meshes. The Parallelized Large-Eddy Simulation Model combined with a realizable dynamic subgrid model is used to identify the best m...
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