介质阻挡放电等离子体与激波相互作用实验研究  

Experimental investigation on interaction of shock wave and plasma produced by dielectric barrier discharge

作　　者：喻永贵[1] 程邦勤[1] 孙权[1] 孔维嵩[1] 王哲[2] 

机构地区：[1]空军工程大学飞行器与动力工程系 [2]中国人民解放军93651部队

出　　处：《强激光与粒子束》2011年第7期1950-1954,共5页High Power Laser and Particle Beams

基　　金：国家自然科学基金项目(50776100)

摘　　要：主要针对介质阻挡放电等离子体改变激波系结构展开了实验研究。验证了介质阻挡放电等离子体气动激励能够对边界层施加影响,顺气流放电时能减小激波强度,逆气流放电时能增大激波强度。逆气流放电时,3组电极放电与4组电极放电比较,3组电极放电时压比更高。由于在该实验中放电区域比边界层小得多,介质阻挡放电产生的体积力远小于高速来流条件下的气动力,因此对激波的作用效果十分微弱。This paper presents demonstration experiments on changing shock wave structure by dielectric barrier discharge（DBD）.It shows that DBD can influence on the boundary layer.The intension of the shock wave decreases as the discharge obeys the flows,and it increases as the discharge disobeys the flows.When the discharge disobeys the flows,the ratio of pressure as discharge using three pairs electrode is greater than discharge using four pairs electrode.Because the discharge area is much smaller than the boundary layer in this experiment,the body force induced by plasma aerodynamic actuation is negligible compared with high speed flow aerodynamic force.Thus the effect on shock wave is pretty weak.

关 键 词：等离子体 介质阻挡放电 激波 边界层 超声速风洞 

分 类 号：V211.3[航空宇航科学与技术—航空宇航推进理论与工程]