设计参数及大气参数对降落伞充气性能的影响  

The Design and Atmospheric Parameters Influences on Parachute Inflation Performance

作　　者：贾贺[1,2] 包进进[1] 荣伟[1] JIA He;BAO Jinjin;RONG Wei(Beijing Institute of Space Mechanics&Electricity,Beijing 100094,China;College of Aerospace Engineering,Nanjing University of Aeronautics,Nanjing 210016,China)

机构地区：[1]北京空间机电研究所,北京100094 [2]南京航空航天大学航空学院,南京210016

出　　处：《航天返回与遥感》2020年第3期28-36,共9页Spacecraft Recovery & Remote Sensing

摘　　要：降落伞充气性能的精确获得和有效评估,是降落伞系统设计的关键,特别是降落伞设计参数和使用参数对性能的影响一直是困扰降落伞研制的难题。文章以降落伞充气过程为研究对象,使用LS-DYNA软件进行数值模拟,研究了降落伞设计参数及大气参数对降落伞充气性能的影响,得到了降落伞的充气时间和投影面积变化的规律,验证了使用LS-DYNA软件数值模拟降落伞充气过程的可行性,为后续研究降落伞系统的充气性能提供了一种新的分析手段,为各类航天器用降落伞系统设计提供一定的参考。The accurate acquisition and effective evaluation of the inflatable performance of the parachute is critical for the design of the parachute system.Especially,the influence of design parameters and application parameters on the performance of parachute is always a difficult problem in parachute dising.With the parachute inflating process as the research object,the numerical simulation based on LS-DYNA software is used,the influence of the parachute design parameters and atmospheric parameters on the inflatable process of the parachute is studied,and the law of the change of the inflatable time and projection area of the parachute is obtained.The feasibility of simulating the parachute inflating process using LS-DYNA software is verified,and a new analytical method is provided for the subsequent study of the inflating performance of the parachute system,and a reference is provided for kinds of spacecraft parachute system design.

关 键 词：流固耦合软件 降落伞 充气性能 流固耦合 设计参数 大气参数 航天返回 

分 类 号：V411.3[航空宇航科学与技术—航空宇航推进理论与工程]