Results 21 to 30 of about 222,754 (312)
Renewable Energy, 2021 This study is a follow up on a previous one carried out within the frame of the French project SMARTEOLE, during which, a ground-based scanning LiDAR measurement campaign was conducted in the onshore wind farm of Sole du Moulin Vieux. That previous study focused on the wakes of two wind turbines that experienced different degrees of interaction ...
Amr Hegazy +3 more
openalex +4 more sources
Validation of an interpretable data-driven wake model using lidar measurements from a field wake steering experiment [PDF]
Wind Energy Science, 2023 Data-driven wake models have recently shown a high accuracy in reproducing wake characteristics from numerical data sets. This study used wake measurements from a lidar-equipped commercial wind turbine and inflow measurements from a nearby meteorological
B. A. M. Sengers +4 more
doaj +1 more source
A simple stationary semi-analytical wake model [PDF]
, 2009 We present an idealized simple, but fast, semi-analytical algorithm for computation of stationary wind farm wind fields with a possible potential within a multi-fidelity strategy for wind farm topology optimization.Basically, the model considers wakes as linear perturbations on the ambient non-uniform mean wind field, although the modelling of the ...
Larsen, Gunner Chr.
core +2 more sources
Analytical model for the power-yaw sensitivity of wind turbines operating in full wake [PDF]
Wind Energy Science, 2019 Abstract. Wind turbines are designed to align themselves with the incoming wind direction. However, turbines often experience unintentional yaw misalignment, which can significantly reduce the power production. The unintentional yaw misalignment increase for turbines operating in wake of upstream turbines.
Jaime Liew +2 more
openalex +5 more sources
A physically interpretable data-driven surrogate model for wake steering [PDF]
Wind Energy Science, 2022 Wake steering models for control purposes are typically based on analytical wake descriptions tuned to match experimental or numerical data. This study explores whether a data-driven surrogate model with a high degree of physical interpretation can ...
B. A. M. Sengers +4 more
doaj +1 more source
A New Streamwise Scaling for Wind Turbine Wake Modeling in the Atmospheric Boundary Layer
Energies, 2022 In this study, we aim to investigate if there is a scaling of the streamwise distance from a wind turbine that leads to a collapse of the mean wake velocity deficit under different ambient turbulence levels.
Dara Vahidi, Fernando Porté-Agel
doaj +1 more source
Upward Shift of Wind Turbine Wakes in Large Wind Farms
Energies, 2023 A detailed description of wake characteristics is essential for optimizing wind farm performance. Compared with the wake of a stand-alone wind turbine, less attention has been paid to wind turbine wakes in large wind farms.
Zewei Wang, Xiaolei Yang
doaj +1 more source
Analysis of TC's wake with multisensors observations and analytical model
, 2018 Tropical Cyclones (TCs) are extreme atmospheric events fed by the warm waters of tropical basins. The wind stress and curl are generating a bunch of severe disturbances: surface waves, inertial currents, induced turbulent mixing leading to thermocline erosion and thermal anomalies (cold wake & subsurface warm anomalies).Combining an unprecedented ...
Combot, Clément +3 more
openalex +2 more sources
Application of the Townsend–George theory for free shear flows to single and double wind turbine wakes – a wind tunnel study [PDF]
Wind Energy Science, 2022 The evolution of the mean velocity and the turbulence downstream of wind turbine wakes within the atmospheric boundary layer has been studied over the past decades, but an analytical description is still missing.
I. Neunaber +3 more
doaj +1 more source
Towards higher accuracy in wind farm deficit decay modelling – a comparison
Meteorologische Zeitschrift, 2023 Wind farm wake behaviour and forecasting is gaining the importance recently. It is especially relevant in the German Bight where space for wind farm clusters is limited, and wind farm wake lengths of up to 60 km have been measured.
Moritz Mauz +5 more
doaj +1 more source