Influence of SDBD plasma aerodynamic actuation on flow control by AC power supply and AC-DC power supply

2017 3rd International Conference on Environmental Science and Material Application

生态环境科学;材料科学

Hu, Xu^1 ; Gao, Chao^1 ; Hao, Jiangnan^1

National Key Laboratory of Science and Technology on Aerodynamic Design and Research, Northwestern Polytechnical University, Xi'an

710072, China^1

关键词: Ac power;    AC power supplies;    DC components;    DC power supplies;    Dielectric barrier discharge plasma actuators;    Maximum speed;    PIV techniques;    Plasma aerodynamic actuations;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/108/5/052051/pdf
DOI  :  10.1088/1755-1315/108/5/052051

来源: IOP

【 摘 要 】

In this paper, the excitation effect of single dielectric barrier discharge plasma actuator (SDBD) is compared by using AC power supply and AC-DC power supply. AC-DC power supply is based on the AC power supply, just adding DC component. The flow measurement is carried out by PIV technique. Results show that the excitation effect of AC power supply and AC-DC power supply increases by the increase of voltage, the range of speed field excited by AC power is greater than that of AC-DC power supply. For x direction maximum speed, excited by AC power supply is close to AC-DC, and for y direction maximum speed, AC power supply is greater than AC-DC power supply. So the excitation effect of AC power supply is better than that of AC-DC power supply for SDBD.