Current state and future trends in boundary layer control on lifting surfaces

J Svorcan, JM Wang, KP Griffin - Advances in Mechanical …, 2022 - journals.sagepub.com
Successful flow control may bring numerous benefits, such as flow stabilization, flow
reattachment, separation delay, drag reduction, lift increase, aerodynamic performance …

[HTML][HTML] Small-scale wind turbine control in high-speed wind conditions: A review

M Barzegar-Kalashani, M Seyedmahmoudian… - Sustainable Energy …, 2023 - Elsevier
The operation of small-scale wind turbines in high-speed wind conditions continues to pose
a number of problems to this industry, turbine owners, and communities, over which this …

[HTML][HTML] The dynamic stall dilemma for vertical-axis wind turbines

S Le Fouest, K Mulleners - Renewable Energy, 2022 - Elsevier
Vertical-axis wind turbines (VAWT) are excellent candidates to complement traditional wind
turbines and increase the total wind energy capacity. Development of VAWT has been …

Flow optimization in a microchannel with vortex generators using genetic algorithm

A Gönül, A Okbaz, N Kayaci, AS Dalkilic - Applied Thermal Engineering, 2022 - Elsevier
In this study, delta winglet-type vortex generators, widely used in conventional macro
channels and proven to be effective, are used in microchannels to increase their heat …

Combined effect of passive vortex generators and leading-edge roughness on dynamic stall of the wind turbine airfoil

C Zhu, Y Qiu, Y Feng, T Wang, H Li - Energy Conversion and Management, 2022 - Elsevier
Dynamic stall causes the highly unsteady and nonlinear aerodynamic loads on wind
turbines. Recently, dynamic stall with passive vortex generators (VGs) and leading-edge …

Effects of the Reynolds number and reduced frequency on the aerodynamic performance and dynamic stall behaviors of a vertical axis wind turbine

C Zhu, H Yang, Y Qiu, G Zhou, L Wang, Y Feng… - Energy Conversion and …, 2023 - Elsevier
Dynamic stall is the main reason for the low power efficiency of vertical axis wind turbines
(VAWTs) at low tip speed ratios, where the utilizable wind kinetic energy is also high …

Impact of local flexible membrane on power efficiency stability at wind turbine blade

K Koca, MS Genç, S Ertürk - Renewable Energy, 2022 - Elsevier
The efficiency of wind turbines can negatively be affected by flow structures such as the
formation of laminar separation bubble or abrupt stall. This can decrease the aerodynamic …

Effects of the height and chordwise installation of the vane-type vortex generators on the unsteady aerodynamics of a wind turbine airfoil undergoing dynamic stall

C Zhu, Y Feng, X Shen, Z Dang, J Chen, Y Qiu, Y Feng… - Energy, 2023 - Elsevier
Dynamic stall can produce nonlinear and unsteady aerodynamic loads on wind turbines. It
has attracted considerable attention recently by introducing vortex generators (VGs) to …

Performance assessment of an innovative Gurney flap for straight-bladed vertical axis wind turbine

Q Liu, W Miao, Q Ye, C Li - Renewable Energy, 2022 - Elsevier
Based on the vortex trapping capability of the cavity and the lift improvement mechanism for
the Gurney Flap (GF), their combined impact on aerodynamic efficiency of the straight …

Effects of vortex generator on the hydrodynamic characteristics of hydrofoil and horizontal axis tidal turbine

Y Liu, H Zhe, Y Xue, J Tan, P Yuan, Q Zhang - Physics of Fluids, 2023 - pubs.aip.org
Tidal turbine blades are prone to flow separation in the boundary layer under high speed or
high angle of attack, which will reduce energy efficiency and even the stall damage of the …