Review of flow-control devices for wind-turbine performance enhancement

MZ Akhter, FK Omar - Energies, 2021 - mdpi.com
It is projected that, in the following years, the wind-energy industry will maintain its rapid
growth over the last few decades. Such growth in the industry has been accompanied by the …

Experimental and numerical analysis of the effect of vortex generator height on vortex characteristics and airfoil aerodynamic performance

X Li, K Yang, X Wang - Energies, 2019 - mdpi.com
To explore the effect of the height of vortex generators (VGs) on the control effect of
boundary-layer flow, the vortex characteristics of a plate and the aerodynamic characteristics …

Dynamic stall control on the wind turbine airfoil via a co-flow jet

HY Xu, CL Qiao, ZY Ye - Energies, 2016 - mdpi.com
Dynamic stall control of a S809 airfoil is numerically investigated by implementing a co-flow
jet (CFJ). The numerical methods of the solver are validated by comparing results with the …

Analysis of the effect of vortex generator spacing on boundary layer flow separation control

X Li, W Liu, T Zhang, P Wang, X Wang - Applied Sciences, 2019 - mdpi.com
During the operation of wind turbines, flow separation appears at the blade roots, which
reduces the aerodynamic efficiency of the wind turbine. In order to effectively apply vortex …

[HTML][HTML] On advanced control methods toward power capture and load mitigation in wind turbines

Y Yuan, J Tang - Engineering, 2017 - Elsevier
This article provides a survey of recently emerged methods for wind turbine control.
Multivariate control approaches to the optimization of power capture and the reduction of …

Wind turbine power improvement utilizing passive flow control with microtab

A Ebrahimi, M Movahhedi - Energy, 2018 - Elsevier
In this study, the effect of deploying microtabs on performance improvement of a horizontal
axis wind turbine blade is numerically investigated in three-dimensions. The NREL Phase …

Aerodynamic load control on a dynamically pitching wind turbine airfoil using leading-edge protuberance method

YN Zhang, MM Zhang, C Cai, JZ Xu - Acta Mechanica Sinica, 2020 - Springer
The aerodynamic loads of wind turbine blades are substantially affected by dynamic stall
induced by the variations of the angle of attack of local airfoil sections. The purpose of the …

A calculation method for modeling the flow characteristics of the wind turbine airfoil with leading-edge protuberances

Z Yi-Nan, C Hui-Jing, Z Ming-Ming - Journal of Wind Engineering and …, 2021 - Elsevier
An effective flow separation control method is urgently needed to improve the aerodynamic
performance of the wind turbine blades. The leading-edge protuberances (LEPs) are the …

The impact of pitch-to-stall and pitch-to-feather control on the structural loads and the pitch mechanism of a wind turbine

AE Samani, JDM De Kooning, N Kayedpour, N Singh… - Energies, 2020 - mdpi.com
This article investigates the impact of the pitch-to-stall and pitch-to-feather control concepts
on horizontal axis wind turbines (HAWTs) with different blade designs. Pitch-to-feather …

Experimental and numerical analysis of the effect of vortex generator installation angle on flow separation control

XK Li, W Liu, TJ Zhang, PM Wang, XD Wang - Energies, 2019 - mdpi.com
In order to explore the effect of the installation angle of vortex generator (VG) on boundary-
layer flow control, the vortex characteristics of plate VG and their effect on the aerodynamic …