二元混压式超声速进气道性能预估及优化设计  

Performances estimation and optimization design of 2D mixture-compression supersonic inlet

作　　者：邓隆范[1] 李国雄[1] 成楚之[1] 

机构地区：[1]中国航天科工集团公司二院二部,北京100854

出　　处：《现代防御技术》2002年第5期25-29,45,共6页Modern Defence Technology

摘　　要：建立了具有一定精度的、简洁的二元混压式超声速进气道总压恢复、流量系数、附加阻力系数、唇口波阻系数和有效动能效率等性能预估模型 ;并分析了进气道的压缩板角、进口高度、进口高宽比等几何参数对其性能的影响。对所建立的各优化设计模型 ,利用模拟退火算法进行寻优计算。A simple and fast model is presented,which allows the calculation of 2D mixture-compress supersonic inlets performances,such as pressure recovery,mass flow ratios,additive-drag coefficient,wave-drag coefficient and effective kinetic efficiency,with an acceptable accuracy.Inlets geometrical parameters,such as height,ratio of height and width,angles of vertical compressing ramp,are investigated by considering its performances.Simulated Annealing (SA) algorithms is presented for calculating the models of the optimization design.

关 键 词：二元混压式 超声速进气道 导弹 冲压发动机 性能预估 优化设计 模拟退火算法 

分 类 号：TJ760.33[兵器科学与技术—武器系统与运用工程]