Journal of Applied Mechanical Engineering

Characterization of double-side sliding pulsed dielectric barrier discharge for aerodynamic flow control

3^rd International Conference on Fluid Dynamics & Aerodynamics

October 25-26, 2018 | Berlin, Germany

Borui Zheng

Xi an University of Technology, China

Posters & Accepted Abstracts: J Appl Mech Eng

Abstract:

The development of high-maneuverability aircraft of next generation requires new technology for controlling asymmetric separated vortices at high angles of attack. Plasma actuation is a burgeoning type of active flow control technology. Some preliminary investigations on the control of asymmetric vortices over slender bodies by pulsed plasma actuation have been performed in the world, but there are still some problems worthy of further studies, for example, the stimulation strength is not strong enough, the region of influence is small, and the control mechanism is not yet clear. This paper proposes a double-side sliding pulsed dielectric barrier discharge actuator (DSSP-DBD) which combines pulsed plasma actuation with a negative DC component. Aiming at the key scientific issue of DSSP-DBD and the coupling mechanism between the vortices induced by DSSP-DBD and the asymmetric separation vortices, the characteristics of DSSP-DBD under the static atmosphere and different flow conditions will be revealed through high-speed schlieren system and particle image velocimetry (PIV) measurements. The flow control ability of DSSP-DBD will be verified, and the regularity and rules in the influence of various plasma actuation parameters on flow control effect will be acquired.

Biography :

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