摘要
文章详细地描述了降落伞"呼吸"现象,首次使用降落伞充气过程中的简化轴向和径向动量方程来计算降落伞"呼吸"过程。在此基础上,分别比较有限质量充气条件下开伞速度、载荷物质量、大气密度、降落伞伞绳弹性系数对降落伞"呼吸"现象的影响,获得了一般情况下降落伞"呼吸"现象受载荷物质量与大气密度影响较大,当载荷物质量较小和大气密度较大时,降落伞"呼吸"振荡幅度较大且不易衰减等结论。
The parachute BREATH behavior was described in detail, and firstly applied the simplified rationally the parachute axis of symmetry equation and radial equation to analyze and calculate the parachute BREATH behavior.Based on this equations,it analyzed the effect of different parachute opening velocity,pay-load mass,atmosphere density on the parachute BREATH behavior in the condition of finite mass inflation.It gained that the pay-load mass and atmosphere density had more effect on parachute BREATH behavior.When the pay-load mass was small and the atmosphere density was dense,amplitude of parachute BREATH behavior was high and declined slowly.
出处
《航天返回与遥感》
2010年第1期18-23,共6页
Spacecraft Recovery & Remote Sensing
关键词
降落伞
呼吸现象
伞绳
充气
Parachute BREATH behavior Parachute suspension lines Inflation
作者简介
郭叔伟，男，1979年生，国防科技大学航天与材料工程学院博士生，研究方向为飞行器总体设计，回收系统动力学。
