爆炸冲击波与逃逸飞行器间的追踪分析  

Pursuit Analysis between Iosive Blast Wave and Escape Spacecraft

作　　者：李家文[1] 李道奎[1] 周建平[1] 

机构地区：[1]国防科学技术大学航天与材料工程学院,长沙410073

出　　处：《导弹与航天运载技术》2007年第5期51-54,共4页Missiles and Space Vehicles

摘　　要：在对某运载火箭爆炸时逃逸飞行过程仿真的基础上,分析了逃逸飞行器和爆炸冲击波的追踪关系,计算了作用在逃逸飞行器上的峰值超压和比冲量,发现火箭在发射台上爆炸和在最大动压区爆炸是威胁逃逸飞行器安全的两种最不利情况。所得结果对于研究爆炸冲击波作用下逃逸飞行器的破坏机理具有重要意义。The explosion of launch vehicle is a serious threat for safety of astronauts. Based on the simulation of escape process during the launch vehicle exploding, the pursuit relation between escape spacecraft and explosive wave are analyzed, and the peak value of superpressure and specific impulse applied on the escape spacecraft are calculated. It is found that the explosions on the launch pad and in the maximal dynamic pressure region are the 2 most dangerous conditions. The conclusions are of great significance for the study of the destructive mechanism of escape spacecraft under explosive wave.

关 键 词：运载火箭 爆炸冲击波 追踪分析 峰值超压 比冲量 

分 类 号：V475.1[航空宇航科学与技术—飞行器设计]