Design of high-power synthetic jet actuator and its flowfield investigation

The flowfields surrounding a high-power synthetic jet actuator was simulated numerically in detail. To seek for the novel active-flow-control method, optimization design was also carried out to improve the controlling ability and efficiency. With the invariable model and concerned parameters, the actuator becomes more desirable as the rotating speed increases. Average velocity and maximal velocity at the actuator exit increase as the piston displacement enlarges, which show that the actuator is more efficient. The length of exit section needs optimization. The actuator does not always exhibit good performance with the narrower exit. In the actual design, the various factors need to be considered.