[HTML][HTML] Grand challenges in the design, manufacture, and operation of future wind turbine systems

P Veers, CL Bottasso, L Manuel… - Wind Energy …, 2023 - wes.copernicus.org
Wind energy is foundational for achieving 100% renewable electricity production, and
significant innovation is required as the grid expands and accommodates hybrid plant …

Quantification of wake shape modulation and deflection for tilt and yaw misaligned wind turbines

J Bossuyt, R Scott, N Ali, RB Cal - Journal of Fluid Mechanics, 2021 - cambridge.org
Misaligned wind turbine rotors redirect the wake, and manipulate the wake shape by
introducing a counter-rotating vortex pair. This mechanism is of great interest for improving …

Clustering sparse sensor placement identification and deep learning based forecasting for wind turbine wakes

N Ali, M Calaf, RB Cal - Journal of Renewable and Sustainable Energy, 2021 - pubs.aip.org
A data-driven approach is an alternative to extract general models for wind energy
applications. A spatial sensitivity analysis is achieved using a probabilistic model to …

Floating wind farm experiments through scaling for wake characterization, power extraction, and turbine dynamics

J Bossuyt, O Ferčák, Z Sadek, C Meneveau… - Physical Review …, 2023 - APS
In this study, wind and water tunnel experiments of turbulent wakes in a scaled floating wind
farm are performed. Scaling of a floating wind farm with a scaling ratio of 1: 400 is made …

Dynamic effects of inertial particles on the wake recovery of a model wind turbine

SE Smith, KN Travis, H Djeridi, M Obligado, RB Cal - Renewable Energy, 2021 - Elsevier
Impacting particles such as rain, dust, and other debris can have devastating structural
effects on wind turbines, but little is known about the interaction of such debris within turbine …

Data-driven modeling of the wake behind a wind turbine array

N Ali, RB Cal - Journal of Renewable and Sustainable Energy, 2020 - pubs.aip.org
The wake flow in a wind turbine array boundary layer is described using the Koopman
operator. Dynamics of the flow are decomposed into the linear and forcing terms, and the …

Aerodynamic interference characteristics of multiple unit wind turbine based on vortex filament wake model

H Liu, Y Tian, W Liu, Y Jin, F Kong, H Chen, Y Zhong - Energy, 2023 - Elsevier
The downstream wind turbine operating in the wake field will face completely different inflow
conditions from the upstream wind turbine, which will show different aerodynamic …

Assessing intermittency characteristics via cumulant analysis of floating wind turbines wakes

H Kadum, S Rockel, B Viggiano, T Dib… - Journal of Renewable …, 2021 - pubs.aip.org
Turbulence intermittency in the wake behind a single floating wind turbine as well as
merging wakes due to a pair of floating turbines is investigated using magnitude cumulant …

Cluster-based probabilistic structure dynamical model of wind turbine wake

N Ali, M Calaf, RB Cal - Journal of Turbulence, 2021 - Taylor & Francis
For complex flow systems like the one of the wind turbine wakes, which include a range of
interacting turbulent scales, there is the potential to reduce the high dimensionality of the …

Experimental study of the wake interaction between two vertical axis wind turbines

M Huang, Y Vijaykumar Patil, A Sciacchitano… - Wind …, 2023 - Wiley Online Library
Wakes and wake interactions in wind turbine arrays diminish energy output and raise the
risk of structural fatigue; hence, comprehending the features of rotor–wake interactions is of …