叶片电极诱导电流体力学羽流的数值模拟和PIV实验研究
In this paper, a comparative study between numerical and experimental results fromPIV measurements is presented in the case of two-dimensional electrohydrodynamic plumes thatarise when a sharp metallic blade, submerged in non conducting liquids, supports high electricpotential. Experiments and numerical simulations have been conducted in order to confront theboth approaches. A very good agreement has been found through velocity profiles and velocityfields which testifies the relevance of our numerical model. For high potentials the jet flow issuedforth from the blade becomes unsteady and starts to flap on the vertical wall. Some captions of thetemporal evolution of the isocontours of charge density which is not accessible from experiment arepresented thanks to the numerical simulation.