Flow structure and turbulence in wind farms

RJAM Stevens, C Meneveau - Annual review of fluid mechanics, 2017 - annualreviews.org
Similar to other renewable energy sources, wind energy is characterized by a low power
density. Hence, for wind energy to make considerable contributions to the world's overall …

Review of turbine parameterization models for large-eddy simulation of wind turbine wakes

Z Li, X Liu, X Yang - Energies, 2022 - mdpi.com
Wind turbine parameterization models, which are often employed to avoid the computational
cost of resolving the blade aerodynamics, are critical for the capability of large-eddy …

Comparison of wind farm large eddy simulations using actuator disk and actuator line models with wind tunnel experiments

RJAM Stevens, LA Martínez-Tossas, C Meneveau - Renewable energy, 2018 - Elsevier
We compare wind farm large eddy simulations with the EPFL wind tunnel measurement by
Chamorro and Porté-Agel (Bound-Lay. Meteorol. 136, 515 (2010) and Energies 4, 1916 …

Multimodel validation of single wakes in neutral and stratified atmospheric conditions

P Doubrawa, EW Quon, LA Martinez‐Tossas… - Wind …, 2020 - Wiley Online Library
Previous research has revealed the need for a validation study that considers several wake
quantities and code types so that decisions on the trade‐off between accuracy and …

The actuator line method for wind turbine modelling applied in a variational multiscale framework

M Ravensbergen, AB Mohamed, A Korobenko - Computers & Fluids, 2020 - Elsevier
The actuator line method is implemented into a residual-based variational multiscale (VMS)
fluid modelling framework to simulate airflow around a wind turbine. In the actuator line …

Comparison of four large-eddy simulation research codes and effects of model coefficient and inflow turbulence in actuator-line-based wind turbine modeling

LA Martinez-Tossas, MJ Churchfield… - Journal of Renewable …, 2018 - pubs.aip.org
Large-eddy simulation (LES) of a wind turbine under uniform inflow is performed using an
actuator line model (ALM). Predictions from four LES research codes from the wind energy …

Elastic actuator line modelling for wake-induced fatigue analysis of horizontal axis wind turbine blade

H Meng, FS Lien, L Li - Renewable energy, 2018 - Elsevier
Wake effect causes fatigue increase on the horizontal axis wind turbine (HAWT) blades. This
wake-induced fatigue has significant impacts on the efficiency and lifespan of the whole …

Blind test comparison of the performance and wake flow between two in-line wind turbines exposed to different turbulent inflow conditions

J Bartl, L Sætran - Wind energy science, 2017 - wes.copernicus.org
This is a summary of the results of the fourth blind test workshop that was held in Trondheim
in October 2015. Herein, computational predictions on the performance of two in-line model …

Performance of the NREL S826 airfoil at low to moderate Reynolds numbers—A reference experiment for CFD models

J Bartl, KF Sagmo, T Bracchi, L Sætran - European Journal of Mechanics-B …, 2019 - Elsevier
Lift, drag and surface pressure measurements are performed on a wing section of the NREL
S826 wind turbine airfoil at eight Reynolds numbers ranging from 0. 5× 1 0 5 to 6. 0× 1 0 5 …

[HTML][HTML] Turbulent kinetic energy estimates from profiling wind LiDAR measurements and their potential for wind energy applications

VM Kumer, J Reuder, M Dorninger, R Zauner… - Renewable Energy, 2016 - Elsevier
This study shows that turbulent kinetic energy (TKE) estimates, derived from static LiDARs in
Doppler Beam Swing (DBS) mode, permit a qualitative and quantitative characterization and …