Based on two kinds of mechanisms that the attached wall plasma jet restrains the boundary layer separation

the experiment was operated to study the microsecond impulse plasma jet control performance at three-dimensional flow separation of propeller supported by the experiment platform for propeller plasma flow control. According to the mechanisms

two kinds of plasma jets

synclastic jet in the same direction of airflow

and reverse jet in the opposite direction of airflow

were used in the experiment. It is found that when the propeller rotation speed is 300r/min

voltage amplitude gets 8.5kV

and pulse frequency is within the range of 10-160Hz

the twisting moment of propeller decreases with synclastic jet and increases with reverse jet. The thrust and efficiency of propeller both are improved under the control of two kinds of plasma jets

but the plasma flow control performance is obviously influenced by pulse frequency. In the experimental conditions the propeller efficiency increases 11.56% with synclastic jet

and 2.79% with reverse jet respectively.