[HTML][HTML] On the accuracy of turbulence models for CFD simulations of vertical axis wind turbines

A Rezaeiha, H Montazeri, B Blocken - Energy, 2019 - Elsevier
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 …

State of the art in the optimisation of wind turbine performance using CFD

A Shourangiz-Haghighi, MA Haghnegahdar… - … Methods in Engineering, 2020 - Springer
Wind energy has received increasing attention in recent years due to its sustainability and
geographically wide availability. The efficiency of wind energy utilisation highly depends on …

Wind energy systems: Analysis of the self-starting physics of vertical axis wind turbine

M Douak, Z Aouachria, R Rabehi, N Allam - Renewable and Sustainable …, 2018 - Elsevier
The aim of our study is to project an optimized wind turbine Darrieus type capable to start at
low wind speeds. This type of the turbine is characterized by a low starting torque compared …

Efficiency improvement of a vertical-axis wind turbine using a deflector optimized by Taguchi approach with modified additive method

WH Chen, JS Wang, MH Chang, JK Mutuku… - Energy Conversion and …, 2021 - Elsevier
This study designs a deflector to enhance the performance of a three-bladed vertical axis
wind turbine (VAWT) through the Taguchi method in association with a modified additive …

Optimization of a vertical axis wind turbine with a deflector under unsteady wind conditions via Taguchi and neural network applications

WH Chen, JS Wang, MH Chang, AT Hoang… - Energy Conversion and …, 2022 - Elsevier
Vertical axis wind turbines (VAWTs), so named because of their vertical axis of rotation, are
a sustainable, opportune, and versatile means of producing energy. Their operation is not …

[HTML][HTML] Characterization of aerodynamic performance of vertical axis wind turbines: Impact of operational parameters

A Rezaeiha, H Montazeri, B Blocken - Energy Conversion and …, 2018 - Elsevier
Vertical axis wind turbines (VAWTs) have received growing interest for off-shore application
and in the urban environments mainly due to their omni-directional capability, scalability …

[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 …

An investigation into the self-starting of Darrieus-Savonius hybrid wind turbine and performance enhancement through innovative deflectors: A CFD approach

S Chegini, M Asadbeigi, F Ghafoorian, M Mehrpooya - Ocean Engineering, 2023 - Elsevier
Amidst vertical axis wind turbines, Darrieus turbines stand out for their impressive efficiency.
However, these turbines encounter a significant challenge regarding their self-starting …

[HTML][HTML] Numerical modelling and optimization of vertical axis wind turbine pairs: A scale up approach

JT Hansen, M Mahak, I Tzanakis - Renewable Energy, 2021 - Elsevier
The performance augmentation of pairs of vertical axis wind turbines (VAWTs) is known to
be dependent on incident wind direction, turbine spacing and direction of rotation. Yet, there …

CFD analysis of the angle of attack for a vertical axis wind turbine blade

MM Elsakka, DB Ingham, L Ma… - Energy Conversion and …, 2019 - Elsevier
Abstract The Angle of Attack (AOA) of the Vertical Axis Wind Turbines (VAWTs) blades has a
dominant role in the generation of the aerodynamic forces and the power generation of the …