[HTML][HTML] Towards accurate CFD simulations of vertical axis wind turbines at different tip speed ratios and solidities: Guidelines for azimuthal increment, domain size …

A Rezaeiha, H Montazeri, B Blocken - Energy conversion and …, 2018 - Elsevier
The accuracy of CFD simulations of vertical axis wind turbines (VAWTs) is known to be
significantly associated with the computational parameters, such as azimuthal increment …

The state-of-the-art technology of H-type Darrieus wind turbine rotors

S Jain, UK Saha - Journal of Energy Resources …, 2020 - asmedigitalcollection.asme.org
There has been a resurgence of interest in the development of small-scale vertical-axis wind
turbines (VAWTs) in the past few decades as is evident from the plethora of published …

Dimensionless numbers for the assessment of mesh and timestep requirements in CFD simulations of Darrieus wind turbines

F Balduzzi, A Bianchini, G Ferrara, L Ferrari - Energy, 2016 - Elsevier
Abstract Computational Fluid Dynamics is thought to provide in the near future an essential
contribution to the development of Vertical-Axis Wind Turbines. The unsteady flow past …

[HTML][HTML] A computational framework for the lifetime prediction of vertical-axis wind turbines: CFD simulations and high-cycle fatigue modeling

F Geng, ASJ Suiker, A Rezaeiha, H Montazeri… - International Journal of …, 2023 - Elsevier
A novel computational framework is presented for the lifetime prediction of vertical-axis wind
turbines (VAWTs). The framework uses high-fidelity computational fluid dynamics (CFD) …

Numerical study on the aerodynamic characteristics of the NACA 0018 airfoil at low Reynolds number for Darrieus wind turbines using the transition SST model

K Rogowski, G Królak, G Bangga - Processes, 2021 - mdpi.com
A symmetrical NACA 0018 airfoil is often used in such applications as small-to-medium
scale vertical-axis wind turbines and aerial vehicles. A review of the literature indicates a …

On the influence of virtual camber effect on airfoil polars for use in simulations of Darrieus wind turbines

JM Rainbird, A Bianchini, F Balduzzi, J Peiró… - Energy Conversion and …, 2015 - Elsevier
Darrieus vertical-axis wind turbines are experiencing renewed interest from researchers and
manufacturers, though their efficiencies still lag those of horizontal-axis wind turbines. A …

Virtual incidence effect on rotating airfoils in Darrieus wind turbines

A Bianchini, F Balduzzi, G Ferrara, L Ferrari - Energy Conversion and …, 2016 - Elsevier
Small Darrieus wind turbines are one of the most interesting emerging technologies in the
renewable energies scenario, even if they still are characterized by lower efficiencies than …

Numerical study of the effect of the Reynolds number and the turbulence intensity on the performance of the NACA 0018 airfoil at the low Reynolds number regime

J Michna, K Rogowski - Processes, 2022 - mdpi.com
In recent years, there has been an increased interest in the old NACA four-digit series when
designing wind turbines or small aircraft. One of the airfoils frequently used for this purpose …

A critical analysis on low-order simulation models for Darrieus VAWTs: how much do they pertain to the real flow?

A Bianchini, F Balduzzi… - … for Gas Turbines …, 2019 - asmedigitalcollection.asme.org
To improve the efficiency of Darrieus wind turbines, which still lacks from that of horizontal-
axis rotors, computational fluid dynamics (CFD) techniques are now extensively applied …

Development of a desmodromic variable pitch system for hydrokinetic turbines

PF Melani, F Balduzzi, G Ferrara, A Bianchini - Energy Conversion and …, 2021 - Elsevier
The use of vertical-axis turbines is raising interest in the field of hydropower production from
rivers or water channels, where suitable mass flows are available, without the need of high …