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中文摘要：
采用气体动力学和热力学方法对气囊缓冲过程进行了分析。基于现有的气囊结构,空投时末端速度过大。因而,对气囊直径和高度等参数进行了研究和优化,找到了可行的设计区域。利用优化后的结构参数,对正常工况下的气囊缓冲过程进行了实验,得到了气囊高度和内压,空投速度和加速度。实验结果表明,利用参数优化后的气囊实现20t超重装备的空投是可行的。
英文摘要：
Airbag buffer process was analyzed with the aid of aerodynamic and thermodynamic methods.Based on the current structure of the airbag,the terminal velocity was too high.Therefore,the research on the diameter and height of the airbag was done and the feasible design area was found.With the optimized structure parameters,the airbag buffer experiment under normal conditions was conducted.Furthermore,the residual height and internal pressure of the airbag as well as the terminal velocity and acceleration of the airdrop were obtained.The experiment results show that the optimized airbag is feasible for 20 t cargo airdrop.
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