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In this paper, a comparative study between numerical and experimental results from
PIV measurements is presented in the case of two-dimensional electrohydrodynamic plumes that arise when a sharp metallic blade, submerged in non conducting liquids, supports high electric potential. Experiments and numerical simulations have been conducted in order to confront the both approaches. A very good agreement has been found through velocity profiles and velocity fields which testifies the relevance of our numerical model. For high potentials the jet flow issued forth from the blade becomes unsteady and starts to flap on the vertical wall. Some captions of the temporal evolution of the isocontours of charge density which is not accessible from experiment are presented thanks to the numerical simulation.

       表面流动测量系统采用摄影法和光学互相关处理技术。可以测量并记录表面3D速度场合三维表面形貌随时间演化过程。这种新方法是研究表面形貌和周围流场相互作用耦合效应的理想工具。表面流动测量可以简便地利用标准3D PIV FlowMaster 测量系统来实现，并且只用到两台相机装置和软件分析工具，不需要任何特别的照明光源。
 应用：
 1。自由表面水波的运动
 2。流体中阻挡物的形变（心脏瓣膜，生物组织，襟翼等）
 3。颗粒流
 功能特色：
 1。支持标准的和高速PIV相机
 2。表面流软件完整地集成安装在DaVis平台上
 3。简便易用的设置，调整和运算程序
 4。用户友好的标定向导