Analysis of dynamic stall on a pitching airfoil using high-fidelity large-eddy simulations
MR Visbal, DJ Garmann - AIAA Journal, 2018 - arc.aiaa.org
The onset of unsteady separation and dynamic stall vortex formation over a constant-rate
pitching airfoil is analyzed by means of high-fidelity large-eddy simulations. The flowfields …
pitching airfoil is analyzed by means of high-fidelity large-eddy simulations. The flowfields …
Machine learning-based optimization of a pitching airfoil performance in dynamic stall conditions using a suction controller
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 …
blades. In this study, a genetic algorithm was employed to optimize the configuration of a …
Optimization of blowing jet performance on wind turbine airfoil under dynamic stall conditions using active machine learning and computational intelligence
The dynamic stall is a common phenomenon in horizontal and vertical axis wind, reducing
system efficiency. In order to enhance the aerodynamic performance (L/D) of a NACA0012 …
system efficiency. In order to enhance the aerodynamic performance (L/D) of a NACA0012 …
Dynamic stall control of the wind turbine airfoil via single-row and double-row passive vortex generators
C Zhu, J Chen, J Wu, T Wang - Energy, 2019 - Elsevier
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 …
delay the onset of static stall and improve the aerodynamic performance. Dynamic stall …
Application of flow control strategy of blowing, synthetic and plasma jet actuators in vertical axis wind turbines
H Zhu, W Hao, C Li, Q Ding, B Wu - Aerospace Science and Technology, 2019 - Elsevier
The vertical axis wind turbines (VAWTs), as common wind turbines for harvesting wind
energy, have wide prospects of development. However, the VAWTs are periodically …
energy, have wide prospects of development. However, the VAWTs are periodically …
Review of rotating wing dynamic stall: Experiments and flow control
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 …
more than fifty years; but in the last decade significant advances have been made in the …
Preparation of biochar-based photothermal superhydrophobic coating based on corn straw biogas residue and blade anti-icing performance by wind tunnel test
Z Liu, Y Li, Y Sun, F Feng, K Tagawa - Renewable Energy, 2023 - Elsevier
The utilization of biological resources is conducive to alleviating energy shortages and
environmental pollution, and the application of biochar to anti-icing can promote green low …
environmental pollution, and the application of biochar to anti-icing can promote green low …
Dynamic stall of the wind turbine airfoil and blade undergoing pitch oscillations: A comparative study
C Zhu, Y Qiu, T Wang - Energy, 2021 - Elsevier
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 …
turbines. However, many studies are about dynamic stall of 2D airfoils rather than 3D …
Unsteady lift on a high-amplitude pitching aerofoil
The ability to accurately predict the forces on an aerofoil in real-time when large flow
variations occur is important for a wide range of applications such as, for example, for …
variations occur is important for a wide range of applications such as, for example, for …
Numerical investigation of the effect of airfoil thickness on onset of dynamic stall
Effect of airfoil thickness on onset of dynamic stall is investigated using large eddy
simulations at chord-based Reynolds number of 200 000. Four symmetric NACA airfoils of …
simulations at chord-based Reynolds number of 200 000. Four symmetric NACA airfoils of …