Evaluation of the time-resolved EHD force produced by a plasma actuator by particle image velocimetry - a parametric study

[摘要] Surface plasma discharges, and more specifically dielectric barrier discharge, find several applications in aerodynamic due to their capability to produce a local flow at the dielectric wall. The present study proposes a numerical method to estimate the EHD force by using experimental velocity information. Here, this method is used in a parametric study and the obtained results are compared with force balance measurements. It is shown that the EHD volume force increases in space and in amplitude for increasing voltage and increasing AC frequency. Furthermore the force distribution expands in an homothetic manner.

[发布机构] Institut PPRIME, CNRS, University of Poitiers, ENSMA, Futuroscope; 86962, France^1

[效力级别] 数学

[关键词] Dielectric barrier discharges;Dielectric walls;Force balance measurements;Force distributions;Parametric study;Particle image velocimetries;Plasma actuator;Velocity information