摘要
为了提高气动矢量喷管在大落压比下的综合气动性能,在双喉道气动矢量喷管的基础上提出了一种适合于在大落压比下工作的气动矢量喷管,利用数值仿真对其流动特征和关键几何参数的影响规律进行了研究。结果表明提出的气动矢量喷管方案具有相对较高的综合气动性能。
In order to improve the synthetical performance of fluidic thrust-vectoring nozzle working at high nozzle pressure ratios （NPR）, a design concept of a high NPR fluidic thrust-vectoring nozzle is proposed based on dual-throat thrust-vectoring nozzle, and numerical simulations are conducted to investigate the flow characteristics and the effects of key design parameters on nozzle performances. Results show that the proposed design in this paper has a higher synthetical fluidic performance.
出处
《航空兵器》
2013年第3期35-40,共6页
Aero Weaponry
基金
航空科学基金(20100152002)
关键词
气动矢量喷管
大落压比
推力系数
矢量角
fluidic thrust-vectoring nozzle
high NPR
thrust ratio
vector angle
