The Parallelized Large-Eddy Simulation Model (PALM) version 4.0 for atmospheric and oceanic flows: model formulation, recent developments, and future …

B Maronga, M Gryschka, R Heinze… - Geoscientific Model …, 2015 - gmd.copernicus.org
In this paper we present the current version of the Parallelized Large-Eddy Simulation Model
(PALM) whose core has been developed at the Institute of Meteorology and Climatology at …

Estimating the wake deflection downstream of a wind turbine in different atmospheric stabilities: an LES study

L Vollmer, G Steinfeld, D Heinemann… - Wind Energy …, 2016 - wes.copernicus.org
An intentional yaw misalignment of wind turbines is currently discussed as one possibility to
increase the overall energy yield of wind farms. The idea behind this control is to decrease …

[HTML][HTML] The impact of stable atmospheric boundary layers on wind-turbine wakes within offshore wind farms

M Dörenkämper, B Witha, G Steinfeld… - Journal of Wind …, 2015 - Elsevier
In terms of predicting wind turbine wakes, the stably stratified atmospheric boundary layer
(SABL) is taking an exceptional position as wake effects and thus loads on subsequent …

[HTML][HTML] Wake properties and power output of very large wind farms for different meteorological conditions and turbine spacings: a large-eddy simulation case study for …

O Maas, S Raasch - Wind Energy Science, 2022 - wes.copernicus.org
Germany's expansion target for offshore wind power capacity of 40 GW by the year 2040 can
only be reached if large portions of the Exclusive Economic Zone in the German Bight are …

Gravity waves and wind-farm efficiency in neutral and stable conditions

D Allaerts, J Meyers - Boundary-layer meteorology, 2018 - Springer
We use large-eddy simulations (LES) to investigate the impact of stable stratification on
gravity-wave excitation and energy extraction in a large wind farm. To this end, the …

Grid-resolution requirements for large-eddy simulations of the atmospheric boundary layer

H Wurps, G Steinfeld, S Heinz - Boundary-Layer Meteorology, 2020 - Springer
Large-eddy simulations are widely used to study flows in the atmospheric boundary layer.
As atmospheric boundary-layer flows of different atmospheric stratification have very …

Geophysical potential for wind energy over the open oceans

A Possner, K Caldeira - Proceedings of the National …, 2017 - National Acad Sciences
Wind turbines continuously remove kinetic energy from the lower troposphere, thereby
reducing the wind speed near hub height. The rate of electricity generation in large wind …

Adjoint-based model predictive control for optimal energy extraction in waked wind farms

M Vali, V Petrović, S Boersma… - Control Engineering …, 2019 - Elsevier
In this paper, a model predictive control (MPC) is proposed for wind farms to minimize wake-
induced power losses. A constrained optimization problem is formulated to maximize the …

Model predictive active power control for optimal structural load equalization in waked wind farms

M Vali, V Petrović, LY Pao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this article, we propose a model predictive active power control (APC) enhanced by the
optimal coordination of the structural loadings of wind turbines (WTs) operating with fully …

Characteristics and modelling of wake for aligned multiple turbines based on numerical simulation

R Zhang, Z **n, G Huang, B Yan, X Zhou… - Journal of Wind …, 2022 - Elsevier
Wind energy has become one of the most commercially prospective renewable energies.
However, the wake effect of wind turbine can reduce the power generation efficiency and …