采用不同气动控制舵面的临近空间高超声速滑翔飞行器舵效研究  

Rudder effect of near-space hypersonic gliding vehicle with different control surfaces

作　　者：邓帆[1] 任怀宇[1] 李绪国[2] 谢峰[2] 

机构地区：[1]中国运载火箭技术研究院空间物理重点实验室,北京100076 [2]中国空气动力研究与发展中心,绵阳621000

出　　处：《空气动力学学报》2014年第2期240-245,共6页Acta Aerodynamica Sinica

摘　　要：在升力体构形的基础上,构造了3种不同布局方式的气动舵作为控制面,通过数值模拟手段对FLAP舵、后缘舵及全动舵的舵效进行了比较分析,并对带全动舵滑翔飞行器的气动特性进行了风洞试验研究。数据显示全动舵在纵向通道内调节压心位置的能力较大,有足够的配平能力,在偏航及滚转控制时舵效均高于FLAP舵及后缘舵,同时可有效降低对舵机载荷的要求。研究表明对于升力体构形的飞行器而言,全动舵在临近空间高超声速范围内作为气动控制舵面具有一定优势。One of the key points of vehicle aerodynamic configuration design is aerodynamic control surfaces design.The pressure center of gliding vehicle varied signifacantly with the flight height and Mach numbers in near-space.Aerodynamic configuration is needed to be designed carefully to ensure both high lift to drag ratio and high control surface efficiency,and hinge moment of control surface restrictions should also be considered,so it is very important to choose suitable control surfaces for near-space hypersonic gliding vehicle at hypersonic speed.Three kinds of different aerodynamic rudders were matched for liftbody shaped vehicle as control surfaces,namely as FLAP rudder、trailing edge rudder and all-movable rudder.The numerical simulation method was employed to analyse rudder effect,and wind tunnel investigation of gliding vehicle with all-movable rudder was carried out to obtain its aerodynamic characteristics.The results showed that all-movable rudder has a higher capacity to adjust pressure centre in longitudinal direction,which implied enough trim ability.Rudder effect of all-movable rudder is found to be higher than that of the other two rudders as yaw and roll control devices.At the same time,all-movable rudder can reduce effectively the demands of steering engine load.The research indicated that all-movable rudder has some advantages over the other rudders as aerodynamic control surfaces for near-space hypersonic liftbody shaped vehicle.

关 键 词：临近空间 滑翔飞行器 气动控制舵面 舵效 

分 类 号：V211.3[航空宇航科学与技术—航空宇航推进理论与工程]