Journal article
RANS modeling of a single wind turbine wake in the unstable surface layer
Wind Turbine Design Division, Department of Wind and Energy Systems, Technical University of Denmark1
Aero- and Fluid Dynamics, Wind Turbine Design Division, Department of Wind and Energy Systems, Technical University of Denmark2
Department of Wind and Energy Systems, Technical University of Denmark3
Wind Energy Systems Division, Department of Wind and Energy Systems, Technical University of Denmark4
Resource Assessment and Meteorology, Wind Energy Systems Division, Department of Wind and Energy Systems, Technical University of Denmark5
Unstable atmospheric conditions are often observed during the daytime over land and for significant periods offshore and are hence relevant for wake studies. A simple k-ϵ RANS turbulence model for simulation of wind turbine wakes in the unstable surface layer is presented, which is based on Monin-Obukhov similarity theory (MOST).
The turbulence model parametrizes buoyant production of turbulent kinetic energy (TKE) without the use of an active temperature equation, and flow balance is ensured throughout the domain by modifications of the turbulence transport equations. Large eddy simulations and experimental data from the literature are used for validation of the model.
| Language: | English |
|---|---|
| Publisher: | Copernicus Publications |
| Year: | 2022 |
| Pages: | 783-800 |
| ISSN: | 23667451 and 23667443 |
| Types: | Journal article |
| DOI: | 10.5194/wes-7-783-2022 |
| ORCIDs: | Baungaard, Mads , Van Der Laan, Maarten Paul and Kelly, Mark |
