The pervasiveness of unmanned air vehicles (UAVs), from insect to airplane scales,
combined with active flow control maturity, has set the scene for vehicles that differ markedly …

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 …

The dynamic stall phenomenon is characterized by the formation of a leading-edge vortex,
which is responsible for adverse aerodynamic forces and moments adversely impacting the …

Vortex generators (VGs) have proven their capabilities in wind turbine applications to delay
stall in steady flow conditions. However, their behaviour in unsteady conditions is …

Flow separation control on oscillating airfoils is crucial for enhancing the efficiency of turbine
blades. In this study, a genetic algorithm was employed to optimize the configuration of a …

Dynamic stall causes the highly unsteady and nonlinear aerodynamic loads on wind
turbines. Recently, dynamic stall with passive vortex generators (VGs) and leading-edge …

Passive vortex generators (VGs) have been extensively used on wind turbine airfoils to
delay the onset of static stall and improve the aerodynamic performance. Dynamic stall …

The vertical axis wind turbines (VAWTs), as common wind turbines for harvesting wind
energy, have wide prospects of development. However, the VAWTs are periodically …

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 …

Dynamic stall can produce nonlinear and unsteady aerodynamic loads on wind turbines. It
has attracted considerable attention recently by introducing vortex generators (VGs) to …