Effect of flow structure frequency on flow separation control using dielectric barrier discharge actuator
A better understanding of the mechanism of flow separation suppression by a dielectric
barrier discharge is essential for flow control. This paper investigates the mechanism of
improving the aerodynamic performance of the airfoil by dielectric barrier discharge when
the Reynolds number is in the range of 6× 10 4–4× 10 5. The results show that the
disturbance of the gas discharge to the flow field will form a new flow structure. The
fluctuating frequency of the new flow structure determines the ability of the plasma actuator …
barrier discharge is essential for flow control. This paper investigates the mechanism of
improving the aerodynamic performance of the airfoil by dielectric barrier discharge when
the Reynolds number is in the range of 6× 10 4–4× 10 5. The results show that the
disturbance of the gas discharge to the flow field will form a new flow structure. The
fluctuating frequency of the new flow structure determines the ability of the plasma actuator …
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