高超声速飞行器周期巡航与总体参数关系研究  

Study on Relationship between Periodic Cruise and Configuration Parameters of Hypersonic Vehicle

作　　者：张忠峰[1] 高云峰[2] 宝音贺西[2] 

机构地区：[1]太原卫星发射中心,太原030027 [2]清华大学航天航空学院,北京100084

出　　处：《导弹与航天运载技术》2009年第4期4-7,共4页Missiles and Space Vehicles

基　　金：国家自然科学基金(90505006)

摘　　要：考虑防热和节能等因素,高超声速飞行器在巡航段应采取周期巡航。采用无量纲参数,将飞行器动力学方程归一化,用胞映射法确定了高超声速飞行器周期巡航的初始条件,并分析了周期巡航与推重比、升阻比等总体参数的关系。得出了大升阻比、高推重比有利于飞行器实现周期巡航以及巡航燃料消耗率主要与升阻比有关等结论。Considering the factors of heat prevention and energy saving, hypersonic vehicle should apply periodic cruise during cruise stage. Adopting non-dimension parameters, the dynamics equations are normalized. The initial condition of hypersonic vehicle is determined by cell to cell mapping method. The relationship between periodic cruise and such configuration parameters as thrust-weight ratio and lift-drag ratio is analyzed. It is concluded that high lift-drag ratio and thrust-weight ratio are helpful to periodic cruise of vehicle and fuel rate is mainly affected by lift-drag ratio.

关 键 词：高超声速飞行器 周期巡航 胞映射 升阻比 推重比 

分 类 号：O159[理学—数学] TJ760.13[理学—基础数学]