摘要
电枢预加速是改善轨道炮性能的重要途径,为了研究电枢预加速条件下电磁轨道炮特性,仿真分析了电枢初速对电磁轨道炮电流波形、电枢速度、炮口动能和系统效率的影响。建立了电磁轨道炮的电路模型和电枢动力学模型,并通过Simulink对电磁轨道炮电枢的发射过程进行了仿真计算。结果表明:在一定范围内提高电枢的初始速度能够改善电流波形、减小电枢速度增量、增大动能增量、提高系统效率;在同等轨道炮性能需求条件下,电枢预加速可降低对电磁轨道炮电气元件的性能要求。以上结果可为电磁轨道炮设计和优化提供参考。
Pre-acceleration of armature is an important method to improve the performance of railgun.In order to study the characteristics of railgun with armature pre-acceleration, we simulated and analyzed the effects of initial velocity of ar- mature on a railgun＇s current waveform, armature velocity, muzzle kinetic energy, and system efficiency. Moreover, we established the system circuit model and armature dynamic model, and then calculated the launch process of railgun in Simulink. The results show that increasing the armature initial velocity in a certain range can improve the armature cur- rent waveform, increase the kinetic energy increment and the system efficiency, and decrease the muzzle velocity increment. For a fixed demand of railgtm performance, armature pre-acceleration is conducive to lowering the requirements of electrical performance for railgun components.The results provide a reference for the design and optimization of railguns.
出处
《高电压技术》
EI
CAS
CSCD
北大核心
2015年第6期1885-1890,共6页
High Voltage Engineering
关键词
电磁轨道炮
电枢初速
电流波形
炮口速度
炮口动能
动能增量
系统效率
railgun
armature initial velocity
current waveform
muzzle velocity
muzzle kinetic energy
kinetic energy increment
system efficiency
