Aerodynamic characteristics research on wide-speed range waverider configuration  

作　　者：WANG FaMin DING HaiHe LEI MaiFang 

机构地区：[1]Institute of Mechanics,Chinese Academy of Sciences,Beijing 100190,China [2]The Second System Design Department of the Second Research Academy of CASIC,Beijing 100854,China

出　　处：《Science China(Technological Sciences)》2009年第10期2903-2910,共8页中国科学（技术科学英文版）

基　　金：Supported by the National Natural Science Foundation of China (Grant No. 10772186);the Key Foundation of National Natural Science Foundation of China (Grant No. 90505016)

摘　　要：Waverider generated from a given flow field has a high lift-to-drag ratio because of attached bow shock on leading edge. However, leading edge blunt and off-design condition can make bow shock off leading edge and have unfavorable influence on aerodynamic characteristics. So these two problems have always been concerned as important engineering science issues by aeronautical engineering scientists. In this paper, through respectively using low speed and high speed waverider design principles, a wide-speed rang vehicle is designed, which can level takeoff and accelerate to hypersonic speed for cruise. In addition, sharp leading edge is blunted to alleviated aeroheating. Theoretical study and wind tunnel test show that this vehicle has good aerodynamic performance in wide-speed range of subsonic, transonic, supersonic and hypersonic speeds.Waverider generated from a given flow field has a high lift-to-drag ratio because of attached bow shock on leading edge. However, leading edge blunt and off-design condition can make bow shock off leading edge and have unfavorable influence on aerodynamic characteristics. So these two problems have always been concerned as important engineering science issues by aeronautical engineering scientists. In this paper, through respectively using low speed and high speed waverider design principles, a wide-speed rang vehicle is designed, which can level takeoff and accelerate to hypersonic speed for cruise. In addition, sharp leading edge is blunted to alleviated aeroheating. Theoretical study and wind tunnel test show that this vehicle has good aerodynamic performance in wide-speed range of subsonic, transonic, supersonic and hypersonic speeds.

关 键 词：WAVERIDER CONFIGURATION aerodynamic characteristics at wide-speed RANGE high lift-to-drag ratio 

分 类 号：V214[航空宇航科学与技术—航空宇航推进理论与工程]