The invention discloses an airfoil dynamic stall active control device with a trailing edge winglet, and relates to the technical field of fluid flow control, the airfoil dynamic stall active control device comprises an airfoil central part, the two sides of the airfoil central part are respectively provided with a trailing edge winglet driving unit; the two sides of the trailing edge winglet are rotationally connected with the trailing edge winglet driving units on the two sides of the wing-shaped central piece correspondingly; the control system is used for synchronously controlling the trailing edge winglet driving unit to move; according to the invention, the servo motor is adopted to directly drive the trailing-edge winglet, and the electronic cam is utilized to realize adjustment of any trajectory equation of the trailing-edge winglet, so that more efficient control of the trailing-edge winglet is realized, the adjustment precision of control parameters of the trailing-edge winglet is improved, and the adjustment mode of oscillation parameters of the trailing-edge winglet is simplified; the test wind speed and the trailing edge winglet oscillation frequency of the device are improved, and adjustment of any trajectory equation of the trailing edge winglet is achieved.
本发明公开了一种带后缘小翼的翼型动态失速主动控制装置,涉及流体流动控制技术领域,包括:翼型中央件,所述翼型中央件两侧均安装有后缘小翼驱动单元;后缘小翼,所述后缘小翼两侧分别与翼型中央件两侧的后缘小翼驱动单元可转动连接;控制系统,所述控制系统用于同步控制后缘小翼驱动单元运动;本发明,采用伺服电机直接驱动后缘小翼,利用电子凸轮实现后缘小翼任意轨迹方程的调节,从而实现后缘小翼更高效的控制,提高后缘小翼控制参数的调节精度,简化后缘小翼振荡参数的调节方式,提高装置的试验风速和后缘小翼振荡频率,实现后缘小翼任意轨迹方程的调节。
Active control device for dynamic stall of airfoil profile with trailing edge winglet
一种带后缘小翼的翼型动态失速主动控制装置
23.06.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B64C AEROPLANES , Flugzeuge |
Alleviation of airfoil dynamic stall moments via trailing-edge-flap flow control
Tema Archiv | 2004
|Dynamic stall wake interaction with a trailing airfoil
AIAA | 1987
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