Results 1 to 10 of about 4,618,854 (237)
Time scales of dynamic stall development on a vertical-axis wind turbine blade [PDF]
Flow, 2023 Vertical-axis wind turbines are excellent candidates to diversify wind energy technology, but their aerodynamic complexity limits industrial deployment.
Sébastien Le Fouest +2 more
doaj +3 more sources
The dynamic stall dilemma for vertical-axis wind turbines [PDF]
Renewable Energy, 2022 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 hampered by their low e ffi ciency and structural unreliability, which are related
Sébastien Le Fouest, Karen Mulleners
exaly +3 more sources
Review of rotating wing dynamic stall: Experiments and flow control [PDF]
Progress in Aerospace Sciences, 2023 Dynamic stall has been a technical challenge and a fluid dynamical subject of interest for more than fifty years; but in the last decade significant advances have been made in the understanding, prediction, modeling, and control of dynamic stall on ...
A D Gardner +2 more
exaly +3 more sources
Characterization of dynamic stall of a wind turbine airfoil with a high Reynolds number [PDF]
Wind Energy ScienceThis study shows an extensive analysis of dynamic stall on wind turbine airfoils, preparing for the development of a reduced-order model applicable to thick airfoils (t/c>0.21) in the future.
H. R. Kim +4 more
doaj +3 more sources
Energies, 2023 Considering the dynamic stall effects in engineering calculations is essential for correcting the aerodynamic loads acting on wind turbines, both during power production and stand-still cases, and impacts significantly the turbine aeroelastic stability ...
Galih Bangga +2 more
doaj +2 more sources
Experimental and numerical study on dynamic stall under a large Reynolds number
Advances in Aerodynamics, 2023 Dynamic stall under large Reynolds numbers and large reduced frequencies has a significant effect on the performance of the wind turbine blades, helicopter rotors, etc. So the dynamic stall physics of the NACA0012 airfoil under a large Reynolds number of
Binbin Wei, Yongwei Gao, Shuling Hu
doaj +2 more sources
Energies, 2022 In this paper, a thorough 2D unsteady computational fluid dynamic analysis was performed on a pitching airfoil to properly comprehend the dynamic stall and aerodynamic forces.
Tariq Ullah +3 more
doaj +2 more sources
Controlling dynamic stall using vortex generators on a wind turbine airfoil
Renewable Energy, 2021 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 insufficiently understood.
Axelle Viré
exaly +2 more sources
Energy, 2021 Dynamic stall significantly causes the unsteady aerodynamic loads on horizontal axis wind turbines. However, many studies are about dynamic stall of 2D airfoils rather than 3D rotating blades. The 3D dynamic stall is therefore still poorly understood and
Chengyong Zhu +2 more
exaly +2 more sources
Dynamic Stall of a Vertical-Axis Wind Turbine and Its Control Using Plasma Actuation
Energies, 2019 In this paper, a dynamic stall control scheme for vertical-axis wind turbine (VAWT) based on pulsed dielectric-barrier-discharge (DBD) plasma actuation is proposed using computational fluid dynamics (CFD).
Lu Ma +3 more
doaj +3 more sources