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电磁炮是利用电磁发射技术制成的一种先进动能杀伤武器,它将在未来军事上发挥重要的作用。电磁轨道炮作为电磁炮的一种,是当前电磁炮研究的一大热点。为了探寻电磁轨道炮自身参数对电枢发射速度的影响,对等离子体电枢运动过程进行理论分析,建立了电枢速度、轨道长度以及轨道电流之间的数学模型。模型中采用稳压脉冲电源提供电流,同时考虑电枢发射过程中所受到的主要阻力,如等离子体粘滞阻力等。同时引入MATLAB计算软件,对表述模型的微分方程组进行求解,得到电枢发射速度、轨道中电流等参量的演化关系。
Electromagnetic guns are advanced kinetic weapons made using electromagnetic launch technology and will play an important role in the future military. Electromagnetic rail gun as a kind of electromagnetic guns, is currently a major hot spot in the study of electromagnetic guns. In order to explore the influence of the parameters of the electromagnetic rail gun on the armature firing speed, the theoretical analysis of the armature movement process is made and the mathematical model of the armature speed, track length and orbital current is established. The model uses a regulated pulsed power supply to provide current while taking into account the main resistance encountered during armature firing, such as plasma viscous drag. At the same time, MATLAB software was introduced to solve the differential equations of the model, and the evolution of armature velocity and current in orbit was obtained.