Floating offshore vertical axis wind turbines: Opportunities, challenges and way forward
A Arredondo-Galeana, F Brennan - Energies, 2021 - mdpi.com
The offshore wind sector is expanding to deep water locations through floating platforms.
This poses challenges to horizontal axis wind turbines (HAWTs) due to the ever growing …
This poses challenges to horizontal axis wind turbines (HAWTs) due to the ever growing …
[HTML][HTML] On the accuracy of turbulence models for CFD simulations of vertical axis wind turbines
A comparative analysis of seven commonly-used eddy-viscosity turbulence models for CFD
simulations of VAWTs is presented. The models include one-to four-equations, namely the …
simulations of VAWTs is presented. The models include one-to four-equations, namely the …
[HTML][HTML] Effect of airfoil shape on power performance of vertical axis wind turbines in dynamic stall: Symmetric Airfoils
MR Tirandaz, A Rezaeiha - Renewable Energy, 2021 - Elsevier
The current design of vertical axis wind turbines (VAWTs) suffers from inevitable change in
tip speed ratio, λ, in variant wind conditions due to fixed rotor speed. At relatively high wind …
tip speed ratio, λ, in variant wind conditions due to fixed rotor speed. At relatively high wind …
HYBRI–A combined Savonius-Darrieus wind turbine: Performances and flow fields
A Pallotta, D Pietrogiacomi, GP Romano - Energy, 2020 - Elsevier
In this paper, wind tunnel measurements on a model of a vertical axis wind turbine (VAWT)
are reported. The turbine is a novel hybrid Savonius-Darrieus combined rotor which aims …
are reported. The turbine is a novel hybrid Savonius-Darrieus combined rotor which aims …
Implementation of tubercles on vertical axis wind turbines (VAWTs): An aerodynamic perspective
S Sridhar, J Joseph, J Radhakrishnan - Sustainable Energy Technologies …, 2022 - Elsevier
In recent days, enhancement of Vertical Axis Wind Turbines (VAWTs) by mitigating flow
deteriorating effects like dynamic stalling, unsteady wake is given great importance. The …
deteriorating effects like dynamic stalling, unsteady wake is given great importance. The …
Model-form uncertainty quantification in RANS simulations of wakes and power losses in wind farms
Abstract Reynolds-averaged Navier-Stokes (RANS) is one of the most cost-efficient
approaches to simulate wind-farm-atmosphere interactions. However, the applicability of …
approaches to simulate wind-farm-atmosphere interactions. However, the applicability of …
[PDF][PDF] Comparison between horizontal and vertical axis wind turbine
MA Al-Rawajfeh, MR Gomaa - International Journal of Applied, 2023 - academia.edu
Since ancient times, wind energy has been exploited in various fields, it was at the
beginning used to rotate pumps for the purposes of agriculture and irrigation. At the …
beginning used to rotate pumps for the purposes of agriculture and irrigation. At the …
Wake characterization of paired cross-flow turbines
A Posa - Renewable Energy, 2022 - Elsevier
The wake of paired cross-flow turbines is reproduced by means of Large-Eddy Simulation,
using a computational grid consisting of about two billion points. The role of mutual …
using a computational grid consisting of about two billion points. The role of mutual …
Physics-guided machine learning for wind-farm power prediction: Toward interpretability and generalizability
With the increasing amount of available data from simulations and experiments, research for
the development of data-driven models for wind-farm power prediction has increased …
the development of data-driven models for wind-farm power prediction has increased …
Analysis of momentum recovery within the near wake of a cross-flow turbine using large eddy simulation
A Posa - Computers & Fluids, 2021 - Elsevier
Momentum recovery within the near wake of a cross-flow turbine is studied, focusing on the
different terms of the momentum balance equation. The flow is computed via Large-Eddy …
different terms of the momentum balance equation. The flow is computed via Large-Eddy …