Circulation control on a rounded trailing-edge wind turbine airfoil using plasma actuators

The Science of Making Torque from Wind

Baleriola, S.^1 ; Leroy, A.^1 ; Loyer, S.^1 ; Devinant, P.^1 ; Aubrun, S.^1

Université d'Orléans, INSA CVL, PRISME, EA 4229, Orléans

F-45072, France^1

关键词: Blade modeling;    Circulation control;    Dielectric barrier discharges;    Load fluctuations;    Load modifications;    Particle image velocimetries;    Plasma actuator;    Wind turbine airfoils;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/753/5/052001/pdf
DOI  :  10.1088/1742-6596/753/5/052001

来源: IOP

【 摘 要 】

This experimental study focuses on the implementation via plasma actuators of a circulation control strategy on a wind turbine aerofoil with a rounded trailing-edge with the objective of reducing the aerodynamic load fluctuations on blades. Three sets of multi-DBD (Dielectric Barrier Discharge) actuators with different positions around the trailing-edge are studied. These actuators create a tangential jet that adheres to the blade model wall and diffuses along it. According to the jet direction, lift is increased or decreased. Load and pressure measurements as well as Particle Image Velocimetry (PIV) show respectively the actuation effectiveness in terms of load modification and flow topology alteration.