放飞过程中平流层飞艇运动与受力分析

平流层飞艇放飞方式是其安全起飞的先决条件。本文对平流层飞艇放飞过程动力学响应建立了力学模型,提出了解析求解方法,开展了定量分析研究。依据影响平流层飞艇放飞过程的关键因素,对单氦气囊结构以及多氦气囊结构的平流层飞艇放飞过程进行了动力学分析,将单氦气囊结构飞艇动力学响应的定量分析结果与飞行试验过程中获得的数据进行对比,验证了分析方法的准确性,为进一步优化放飞过程的操作提供了依据。

Kinematic and mechanical analysis on launch process of stratospheric airship

Launch mode of the stratospheric airship is the prerequisite factor to safely reach the target alti-tude.In this paper,a dynamics model for the launch process of stratospheric airship is firstly established,and the analytical solution method is put forward,and the quantitative analysis is carried out.Secondly,according to the typical issues that influence the launch process, the dynamic analysis of both the single-helium and multi-helium envelope structure are carried out, including dynamics response and force status.Furthermore, the numerical results of a single helium envelope structure are obtained and then compared with experimental data.The result verified the accuracy of the analytical method, which can also provide the basis for launch process of the airship and the design of the launch equipment.