Study on Forebody Vortex Cores under Plasma Actuations

摘要：

The characteristics of the vortex cores over a 20o circular-cone forebody under plasma actuation are studied at 45o angle of attack. Section velocity distribution and pressure distribution are measured in a low-turbulence 3. 0m×1. 6m low-speed open-circuit wind tunnel. The Reynolds number based on the base diameter of the circular cone is 50,000. Pressure distribution, local side force, vortex core center position, axial vorticity are studied. Achieve to control the side force of the circular-cone under the plasma actuations. The results show that the separation shear layer and rolled-up vortex core move out on the same side and close in on the other side. In repetition wind tunnel runs of the same model, the flow asymmetry pattern remains unchanged for port-on and starboard-on, but may be changed for plasma-off.

关键词： Single-Dielectric Barrier Discharge plasma active flow control high angle of attack asymmetric separation vortex particle image velocimetry

作者: Wang Jianlei Li Huaxing Meng Xuanshi Feng Liu Shijun Luo

作者单位: National Key Laboratory of Aerodynamics Design and Research, Northwestern Polytechnical University,X The Department of Mechanical and Aerospace Engineering, University of California,Irvine, CA 92697-39

会议类型: 国际会议

会议名称: 2010 Asia-Pacific International Symposium on Aerospace Technology(2010 亚太航空航天技术研讨会 APISAT 2010)

会议地点: 西安

会议语种:英文

页码: 153-157

在线出版日期: 2010-09-01（万方平台首次上网日期，不代表论文的发表时间）