Improvement of the aerodynamic performance of vertical axis wind turbines with leading-edge serrations and helical blades using CFD and Taguchi method

Z Wang, Y Wang, M Zhuang - Energy conversion and management, 2018 - Elsevier
The flow performance of vertical-axis wind turbines (VAWTs) is significantly deteriorated by
dynamic stall at low tip-speed-ratios (TSR). Dynamic stall occurs periodically during the …

Numerical investigation of the aerodynamic and wake characteristics of a floating twin-rotor wind turbine under surge motion

Z Zhang, L Kuang, Y Zhao, Z Han, D Zhou, J Tu… - Energy Conversion and …, 2023 - Elsevier
To elevate the power capacity of floating wind turbines and cut costs, development towards
large-scale systems is underway. However, this requires solving the problem of fatigue …

Multirotor wind turbine wakes

M Bastankhah, M Abkar - Physics of Fluids, 2019 - pubs.aip.org
To fulfill the increasing need for large power generation by wind turbines, the concept of
multirotor wind turbines has recently received attention as a promising alternative to …

A multi-rotor medium-voltage wind turbine system and its control strategy

R You, X Yuan, X Li - Renewable Energy, 2022 - Elsevier
With the continuous increase in wind turbine power ratings, the growing turbine size makes
the turbine manufacture, transport and installation more challenging. At MWs power level …

Design features and numerical investigation of counter-rotating VAWT with co-axial rotors displaced from each other along the axis of rotation

I Shchur, V Klymko, S Xie, D Schmidt - Energies, 2023 - mdpi.com
In this paper, dual-rotor counter-rotating (CR) configurations of vertical axis wind turbines
(VAWTs) are briefly inspected and divided into three types. This investigation was focused …

Reduced-cost two-level surrogate antenna modeling using domain confinement and response features

A Pietrenko-Dabrowska, S Koziel, U Ullah - Scientific reports, 2022 - nature.com
Electromagnetic (EM) simulation tools have become indispensable in the design of
contemporary antennas. Still, the major setback of EM-driven design is the associated …

[HTML][HTML] Performance optimization of a dual-rotor ducted wind turbine by using response surface method

J Taghinezhad, R Alimardani, M Masdari… - Energy Conversion and …, 2021 - Elsevier
The presented study evaluates and optimizes the performance of dual-rotor wind turbines
installed inside a developed duct. The effect of different operating conditions on the …

Wind farms with counter-rotating wind turbines

A Vasel-Be-Hagh, CL Archer - Sustainable Energy Technologies and …, 2017 - Elsevier
The objective of this study is to assess the effects of using counter-rotating wind turbines on
the performance of a wind farm. Large eddy simulations, coupled with the actuator line …

An experimental study on the aerodynamic performances and wake characteristics of an innovative dual-rotor wind turbine

Z Wang, A Ozbay, W Tian, H Hu - Energy, 2018 - Elsevier
A novel dual-rotor wind turbine (DRWT) concept with an auxiliary upwind rotor and a bigger
downwind rotor was introduced for improved turbine performance. An experimental study …

Effect of the yaw angle on the aerodynamics of two tandem wind turbines by considering a dual-rotor wind turbine in front

M Zhao, S Chen, K Wang, X Wu, R Zha - Ocean Engineering, 2023 - Elsevier
The innovative dual-rotor counter-rotating wind turbine (CRWT) shows great importance in
the development of offshore wind farms. In this paper, the performance and wake …