A tutorial on the synthesis and validation of a closed-loop wind farm controller using a steady-state surrogate model

BM Doekemeijer, JW Van Wingerden… - 2019 American …, 2019 - ieeexplore.ieee.org
In wind farms, wake interaction leads to losses in power capture and accelerated structural
degradation when compared to freestanding turbines. One method to reduce wake losses is …

Design and analysis of a spatially heterogeneous wake

A Farrell, J King, C Draxl, R Mudafort… - Wind Energy …, 2020 - wes.copernicus.org
Methods of turbine wake modeling are being developed to more accurately account for
spatially variant atmospheric conditions within wind farms. Most current wake modeling …

[HTML][HTML] Adjoint optimisation for wind farm flow control with a free-vortex wake model

MJ van den Broek, D De Tavernier, B Sanderse… - Renewable Energy, 2022 - Elsevier
Wind farm flow control aims to improve wind turbine performance by reducing aerodynamic
wake interaction between turbines. Dynamic, physics-based models of wind farm flows have …

[HTML][HTML] Evolution of eddy viscosity in the wake of a wind turbine

R Scott, L Martínez-Tossas, J Bossuyt… - Wind Energy …, 2023 - wes.copernicus.org
The eddy viscosity hypothesis is a popular method in wind turbine wake modeling for
estimating turbulent Reynolds stresses. We document the downstream evolution of eddy …

Effectively using multifidelity optimization for wind turbine design

J Jasa, P Bortolotti, D Zalkind… - Wind Energy Science …, 2021 - wes.copernicus.org
Wind turbines are complex multidisciplinary systems that are challenging to design because
of the tightly coupled interactions between different subsystems. Computational modeling …

Yaw optimisation for wind farm production maximisation based on a dynamic wake model

Z Deng, C Xu, Z Huo, X Han, F Xue - Energies, 2023 - mdpi.com
In recent years, a major focus on wind farm wake control is to maximise the production of
wind farms. To improve the power generation efficiency of wind farms through wake …

Curled-skewed wakes behind yawed wind turbines subject to veered inflow

M Mohammadi, M Bastankhah, P Fleming… - Energies, 2022 - mdpi.com
This work presents a new engineering analytical model that predicts the effect of both the
turbine yaw misalignment and the inflow wind veer on the wake flow distribution downwind …

Overview of FLORIS updates

P Fleming, J King, CJ Bay, E Simley… - Journal of Physics …, 2020 - iopscience.iop.org
In this paper, we review updates made to the FLORIS (FLOw Redirection and Induction in
Steady State) open-source framework for wind farm control modeling, design and analysis …

Large eddy simulations of curled wakes from tilted wind turbines

HM Johlas, DP Schmidt, MA Lackner - Renewable Energy, 2022 - Elsevier
One control strategy to increase power production in wind farms is angling wind turbine
rotors, in order to steer wakes away from downwind turbines. Although rotor yaw is the most …

[HTML][HTML] Experimental results of wake steering using fixed angles

P Fleming, M Sinner, T Young, M Lannic… - Wind Energy …, 2021 - wes.copernicus.org
In this article, the authors present a test of wake steering at a commercial wind farm. A single
fixed yaw offset, rather than an optimized offset schedule, is alternately applied to an …