导弹高速动态空气动力特性  

High Speed Dynamic Aerodynamical Characteristics of Missiles

作　　者：周瑞兴[1] 上官云信[1] 高永卫[1] 惠增宏[1] 郗忠祥[1] 

机构地区：[1]西北工业大学,西安710072

出　　处：《应用力学学报》2002年第1期31-34,共4页Chinese Journal of Applied Mechanics

摘　　要：简介了导弹高速动态实验采用的设备和实验方法 ,研究了折合频率 ,平均迎角和空气压缩性对基本十字翼导弹纵向动态气动特性的影响。The dynamic aerodynamical characteristics of missiles are important design basis for high performance missiles.Used dynamic force method to measure normal force and pitching moment for deferent attack angles were car ried out.Maximum dynamic normal force coefficients and cN ～ α hysteretic loop of missiles increase with increasing mean attack angles,reduced frequency and Mach number.At k=0.0158maximum dynamic normal force coefficients of the missiles is 14% higher than that of static. By numerical integration according to eq.(1),the pitching resistance deriva teξ,which is used to check dy namic stability of missiles was computed.When ξ is positive,missiles are horizontal dynamic stability.Results shown that ex cept for higher oscillatory frequency and 10°of mean attack angle,missile is dynamic stability.

关 键 词：导弹 风洞 动态测力实验 折合频率 马赫数 振幅角 

分 类 号：TJ760.11[兵器科学与技术—武器系统与运用工程]