摘要
将实验测得的电弧放电能量分布规律拟合为理想热源,采用数值仿真方法对一种高频等离子体射流激励器进行参数化研究,探索了激励器出口角度对激励器静特性的影响,并获得了在超声速来流(Ma0=2.0)情况下射流激励器的高速特性。结果显示:当射流出口流通面积相同时射流出口角度越小,激励器沿流向的动量注入能力越强,并且这一规律在高速射流条件的情况下仍然适用。相比静止条件,在超声速来流条件下,射流的动量注入能力更强,影响域更大。
A parametric study of high-frequency plasma jet actuator was carried out,using the experimenttally measured energy distribution law of arc discharge as an ideal heat source.The influence of the exit angle of the actuator on the flow field was explored.The jet flow field characteristics of the spark discharge actuator under supersonic flow(Ma0=2.0)were investigated.The results show that the energy density of heat flux increases and the jet front and forward shock wave moves faster with the decrease of discharge region,and the smaller the exit angle of the jet is,the stronger the momentum injection ability of the actuator along the flow direction is.The rule still applies under high-speed air flow conditions.Compared to the static condition,the momentum injection capability of the jet is stronger and the influence domain is larger under supersonic flow conditions.
作者
殷宁
谭慧俊
梁钢
黄河峡
孙姝
YIN Ning;TAN Hui-jun;LIANG Gang;HUANG He-xia;SUN Shu(College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics,Jiangsu Province Key Laboratory of Aerospace Power System,Nanjing 210016)
出处
《核聚变与等离子体物理》
CAS
CSCD
北大核心
2020年第1期90-96,共7页
Nuclear Fusion and Plasma Physics
基金
国家自然科学基金(11772156,11532007)。
