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Separation control with plasma synthetic jet actuators

机译:等离子合成射流执行器的分离控制

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In the framework of the PLASMAERO project funded by the European Community, ONERA and CNRS laboratories develop plasma synthetic jet actuators, in order to demonstrate the potential of such electrical devices to act on aerodynamic phenomena like separated flows. The characterisation of the pulsed jet produced by a PSJ actuator is investigated with experimental techniques, helping the validation of theoretical and numerical studies carried out in parallel. This article mainly describes an experimental task of the PLASMAERO project, demonstrating the ability of the PSJ actuators to reduce" the trailing edge separated flow region on a NACA-0015 profile, occurring in a high lift configuration. The PSJ actuators efficiency has been quantified using the PIV technique in order to estimate the decrease of the separated flow region induced by the actuation and consequently the drag reduction.
机译:在由欧洲共同体资助的PLASMAERO项目的框架内,ONERA和CNRS实验室开发了等离子合成射流致动器,以证明此类电气设备对诸如分离流等空气动力现象起作用的潜力。通过实验技术研究了PSJ执行器产生的脉冲射流的特性,有助于验证并行进行的理论和数值研究。本文主要描述了PLASMAERO项目的一项实验任务,展示了PSJ执行器减少在高升程配置中出现的“ NACA-0015型材上的后缘分离流动区域”的能力。为了估计由致动引起的分离流动区域的减小以及因此的减阻,使用PIV技术。

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