基于发射药序列装填的火炮内弹道性能优化

Optimization of artillery interior ballistic performance based on sequential loading of propellants

针对传统模块装药自由装填造成可燃药盒无效空间多、能量密度低的问题,提出将现有自由装填方式变为序列装填,采用2种不同粒径大小的发射药组合装填,通过优化序列装填布局方式提升装药量,从而达到提升火炮内弹道性能的设计方法.建立基于模块装药序列装填的数学模型,考虑可燃药盒尺寸约束,结合内弹道计算模型,通过改进的遗传算法求解最佳序列装填方式,实现内弹道性能的优化.以45倍口径155 mm火炮为算例,通过仿真分析验证了该方法的有效性.

Aiming at the problems of large ineffective space and low energy density of combustible cartridges caused by the free flling of traditional modular charges,this paper proposes to change the existing free loading method into sequential loading,and uses two different particle sizes of propellants to be loaded in combination.It also optimizes the sequential loading layout to increase the charge so as to achieve the purpose of improving the internal ballistic performance of the artillery.A mathematical model based on modular charge sequence loading is then established.Considering the size constraint of the combustible cartridge,combined with the interior ballistic calculation model,the optimal sequence loading method is solved by an improved genetic algorithm to achieve the optimization of interior ballistic performance.With a 45-time caliber 155 mm artllery as an example,the effectiveness of the proposed method in this paper is verified by simulation analysis.