Particle image velocimetry (PIV) technology was applied to obtain the flow field induced by high frequency and high voltage SDBD plasma aerodynamic actuation at pressures of 2200

4800

7300

14600Pa. The body force was calculated though N-S equation based on the velocity field

and the effects of air pressure and voltage on the plasma body force were analysed. Experiments showed that: at the same air pressure

the body force increased at a higher voltage

while at the same voltage

the body force decreased at a higher air pressure. The body force direction lines are consistent at the body force distribution region

and comparatively large body force area is located at the upstream region of the body force direction lines and comparatively fast velocity area is located at the downstream region of the body force direction lines.