摘要
由于母弹的高转速,被抛撒出的悬浮子弹具有较高的牵连转速,柔性伞是无法在这复杂的高转速下起悬浮作用的。针对上述难点,提出了一种小型的伞式悬浮装置,在旋转离心力作用下,伞式悬浮装置快速展开,展开后是呈刚性状态的。为预测装置的效能,先对装置进行了理论分析,再利用Fluent软件对比分析了三种伞型的气动阻力特性,及利用ADAMS建立三维动力学模型仿真,分析了诸偏差因素对悬浮子弹系统效能的影响。研究成果为提高整体悬浮子弹抛撒目标效能提供了一定的理论依据。
Based on the high speed of the dispenser, the suspended bombs are provided high transport revolution when they are threw out. But the flexible parachutes aren' t suitable in this complicated circumstance. In order to solve this problem, the authors adopted a suspended parachute device. With the effect of centrifugal force, the device is unfolded to be rigid. Aim at predicting the effectiveness of the device, the theoretical analysis was firstly carried out. Then a comparative analysis of the aerodynamic drag coefficients of three parachute structures was conducted by using Fluent software. In the end, the software including SOLODWORKS and ADAMS was used to establish a three- dimensional dynamics simulation model so as to explore the effects of various deviation factors on the effectiveness of suspended bomb. The result can serve as a theoretical basis to some degree for overall suspended bullet system.
出处
《计算机仿真》
北大核心
2017年第7期1-5,48,共6页
Computer Simulation
关键词
牵连转速
气动阻力特性
伞式悬浮装置
诸偏差因素
动力学仿真
Transport revolution
Aerodynamic drag coefficient
Suspended parachute device
Various deviationfactors
Dynamics simulation