大气压直流电晕放电等离子体激励器在气流控制领域中的应用概述

Review on the application of atmospheric pressure DC corona discharge plasma actuator in airflow control field

近些年,气流主动流动控制是一个快速发展的课题,特别是在航空学方面具有极其重要的应用.在所有的气流主动流动控制方法中,非热等离子体激励器基于其系统的简单性、低功耗、具有高频实时控制能力等技术优点获得了广泛的研究.本文将综述介绍直流电晕放电等离子体在气流控制领域的发展.首先简要介绍直流电晕放电的物理特性及发展历程,其次着重介绍几种典型的直流电晕放电等离子体激励器的结构,然后重点介绍直流电晕放电的电特性和机械特性,最后总结了文献中关于直流电晕放电的主要研究成果.目的是能够更好地了解直流电晕放电等离子体激励器的机械作用,以便今后有针对性地优化激励器的结构,从而能够更加有效地进行气流流动控制.

In recent years,active airflow control is a booming topic,especially in the field of aeronautics.Among all the active flow control methods,the non-thermal plasma actuator has been widely studied based on its system simplicity,low power consumption and high frequency real-time control capability.The development of DC corona discharge plasma in the field of airflow control is reviewed in this paper.The physical characteristics and development course of DC corona discharge are first briefly introduced,and several typical structures of DC corona discharge plasma actuator are emphatically introduced,then the electrical performance and mechanical properties of DC corona discharge plasma actuator are focused on,and finally the main research results of DC corona discharge in the literature are summarized.The purpose is to better understand the mechanical effects of the DC corona discharge plasma actuator,so that the structures of the actuator can be optimized and the airflow control can be performed more effectively in the future.