Control moment characteristics of double-jet circulation control airfoil

被引:0
|
作者
He Y. [1 ]
Lei Y. [2 ]
Zhang D. [1 ]
Zhang Y. [1 ]
Zhou Z. [1 ]
机构
[1] Aeronautics Engineering College, Air Force Engineering University, Xi'an
[2] Unit 95034 of the Chinese People's Liberation Army, Baise
来源
Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics | 2021年 / 47卷 / 12期
关键词
Aerodynamic characteristics; Circulation control; Numerical simulation; Rudderless aircraft; Steady jet;
D O I
10.13700/j.bh.1001-5965.2021.0080
中图分类号
学科分类号
摘要
In order to study the possibility of flight control by circulation control technology, the control moment characteristics of steady jet circulation control airfoil in steady flow field are studied. The aerodynamic coefficient variation rules of virtual rudder and traditional rudder produced by single jet and double jet are compared and analyzed by numerical simulation, and the aerodynamic moment control characteristics are verified based on the rudderless aircraft Circulation Control SCAOON (CCSCAOON). The verification results show that the virtual rudder under single jet can provide the rolling and pitching torque needed by aircraft, the action mechanism is similar, and the control performance is better than that of the traditional rudder. Whether under single jet or double jet, the aerodynamic characteristics of circulation control airfoils at high angle of attack are poor, which limits the use of circulation control angle of attack. The lift-drag ratio and control torque characteristics of double jet are better than those of single jet. By adjusting the momentum coefficient of the lower jet port, the virtual rudder under double jet can effectively reduce the coupling effect of yaw moment, rolling moment and pitching moment. © 2021, Editorial Board of JBUAA. All right reserved.
引用
收藏
页码:2641 / 2649
页数:8
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