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针对潜艇带速潜射时导弹垂直发射出筒过程的力学环境,在发射筒口加载气幕保护装置来降低导弹出筒时的横向流影响,以保证导弹出筒姿态的稳定。本文基于气幕环境及动量、动量矩定理建立了导弹水下垂直发射出筒过程的动力学模型并进行了仿真计算,分别分析了10m/s、12m/s两种出筒速度下有无气幕保护对弹体发射出筒姿态的影响。结果表明:在有无气幕两种工况下,导弹的出筒姿态参数值均随着出筒速度的增加而减小,弹体出筒均伴随着较大的振荡过程;气幕对出筒姿态影响明显,尤其当出筒速度为12m/s时,有气幕工况下的出筒姿态参数值平均减小了61.9%。本文研究结果可应用于相关系统方案的设计论证及弹体运动、发射的安全性评估。
Aiming at the mechanics environment of submarine with submarine submarine with submarine submarine launch vertical launching, the air curtain protection device is added on the launching tube mouth to reduce the lateral flow influence when the missile is out of the tube, so as to ensure the stability of missile exit tube. In this paper, based on the air curtain environment and the momentum and momentum theorem, the dynamic model of vertical launching and launching process of a missile is established and simulated. The effects of gas evolution at 10m / s and 12m / s Effect of curtain protection on projectile launch barrel attitude. The results show that with the air curtain in both conditions, the attitude parameters of the missile exit cylinder decrease with the increase of the discharge velocity, and the discharge of the projectile body is accompanied by a large oscillation process. The influence of the cylinder attitude is obvious. Especially when the outlet velocity is 12m / s, the attitude parameters of the outlet cylinder with air curtain are reduced by 61.9% on average. The results of this paper can be applied to the design of related system solutions and projectile movement, launch safety assessment.