Turbulence

Inclination angles of turbulent structures in stably stratified boundary layers
There is a rich history of studying coherent structures in the atmospheric boundary layer through the use of spatial correlations …
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Turbulence dissipation rate estimated from lidar observations during the LAPSE-RATE field campaign
The International Society for Atmospheric Research using Remotely-piloted Aircraft (ISARRA) hosted a flight week in July 2018 to …
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Utilizing dynamic parallelism in CUDA to accelerate a 3D red-black successive over relaxation wind-field solver
QES-Winds is a fast-response wind modeling platform for simulating high-resolution mean wind fields for optimization and prediction. …
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Large-Eddy Simulation of the Atmospheric Boundary Layer
Over the last 50 years the large-eddy simulation (LES) technique has developed into one of the most prominent numerical tools used to …
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Structure Functions and Structure Parameters of Velocity Fluctuations in Numerically Simulated Atmospheric Convective Boundary Layer Flows
We extend our previous study, which dealt with structure functions of potential temperature fluctuations, and focus on the …
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On the Evaluation of the Proportionality Coefficient between the Turbulence Temperature Spectrum and Structure Parameter
The turbulence temperature spectrum and structure parameter are related through a widely-adopted proportionality coefficient. We …
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MicroHH 1.0: a computational fluid dynamics code for direct numerical simulation and large-eddy simulation of atmospheric boundary layer flows
This paper describes MicroHH 1.0, a new and open-source (www.microhh.org) computational fluid dynamics code for the simulation of …
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Numerical study of nocturnal low-level jets over gently sloping terrain
Nocturnal low level-jets (LLJs) over gently sloping terrain typical of the U.S. Great Plains are investigated by means of direct …
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Sensitivity of turbulence statistics in the lower portion of a numerically simulated stable boundary layer to parameters of the Deardorff subgrid turbulence model
Some 36 years following its creation, the Deardorff 1980 (D80) subgrid turbulence model is perhaps still the most ubiquitous scheme …
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Comparison of Direct and Spectral Methods for Evaluation of the Temperature Structure Parameter in Numerically Simulated Convective Boundary Layer Flows
In many engineering and meteorological applications, atmospheric turbulence within the planetary boundary layer is described in terms …
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