一种新型结构的直线旋转加速线圈炮研究
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摘要
为实现线圈炮对弹丸的旋转加速,提出了一种新型结构的驱动线圈,并设计了与之匹配的抛体电枢。对于新型结构线圈炮发射过程,从电磁场角度对电枢所受加速力进行了理论分析。通过仿真计算与发射试验验证相结合的方法,对不同初始电压等级下的发射效果进行了研究,并分析了其误差产生的可能原因。研究结果表明:新型结构电磁线圈炮可以实现弹丸的直线旋转加速,并且其出口直线速度与转速均随着初始电压等级的提高而增大,可以通过改变初始电压的方式调整弹丸的出口指标。
In order to realize the acceleration and rotation of the projectile by the coilgun,a new type of drive coil is proposed,and the projectile armature matching with it is designed. For the launching process of the coilgun,the acceleration force of the armature is theoretically analyzed from the point of electromagnetic field. The launching effects under different initial voltage levels are studied through the combination of simulating calculation and launching test verification,and the possible causes of its error are analyzed. The results show that the new electromagnetic coilgun can realize the linear and rotational accelerations of projectile,and the linear and rotation speeds of projectile increase with the increase in the initial voltage level. The exit index of projectile can be adjusted by changing the initial voltage.
In order to realize the acceleration and rotation of the projectile by the coilgun,a new type of drive coil is proposed,and the projectile armature matching with it is designed. For the launching process of the coilgun,the acceleration force of the armature is theoretically analyzed from the point of electromagnetic field. The launching effects under different initial voltage levels are studied through the combination of simulating calculation and launching test verification,and the possible causes of its error are analyzed. The results show that the new electromagnetic coilgun can realize the linear and rotational accelerations of projectile,and the linear and rotation speeds of projectile increase with the increase in the initial voltage level. The exit index of projectile can be adjusted by changing the initial voltage.
引文
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[14]国伟,张涛,苏子舟,等.同步感应线圈炮的电枢减速特性[J].高电压技术,2014,40(4):1173-1179.GUO Wei,ZHANG Tao,SU Zi-zhou,et al.Speed reduction of armatures in synchronous induction coilguns[J].High Voltage Engineering,2014,40(4):1173-1179.(in Chinese)
[2]王莹.电发射技术概论[J].电工技术杂志,2003,21(10):94-97,78.WANG Ying.An introduction to electric launch technology[J].Electrotechnical Journal,2003,21(10):94-97,78.(in Chinese)
[3]齐玮,范少杰.电磁发射技术的研究现状及其应用[J].电光系统,2008,8(1):62-65.QI Wei,FAN Shao-jie.Overview of research and applications of the electromagnetic launch technology[J].Electronic and Electrooptical Systems,2008,8(1):62-65.(in Chinese)
[4]Abdalla M A,Mohamed H M.Asymmetric multistage synchronous inductive coilgun for length reduction,higher muzzle velocity,and launching time reduction[J].IEEE Transactions on Plasma Science,2016,44(5):785-789.
[5]Zhang T,Guo W,Su Z,et al.Investigation of magnetic field arrangement on launching performance of multistage synchronous induction coilgun[J].IEEE Transactions on Plasma Science,2017,45(7):1436-1442.
[6]Kim K B,Zabar Z,Levi E,et al.In-bore projectile dynamics in the linear induction launcher(LIL),partⅠ:oscillations[J].IEEE Transactions on Magnetics,1995,31(1):484-488.
[7]Shokair I R.Projectile transverse motion and stability in electromagnetic induction launchers[J].IEEE Transactions on Magnetics,1995,31(1):504-509.
[8]Musolino A,Raugi M,Tellini B.3-D field analysis in tubular induction launcher with armature transverse motion[J].IEEE Transactions on Magnetics,1999,35(1):154-159.
[9]董亮,张迅,马素珍.在非线性恢复力矩作用下尾翼式弹丸运动的稳定条件[J].兵工学报,1982,3(2):12-23.DONG Liang,ZHANG Xun,MA Su-zhen.Stable condition of tailtype projectile motion under nonlinear restoring torque[J].Acta Armamentarii,1982,3(2):12-23.(in Chinese)
[10]李双江,邓克文,陈小伟,等.火箭弹折叠尾翼的质量优化设计[J].兵工自动化,2016,35(3):77-81.LI Shuang-jiang,DENG Ke-wen,CHEN Xiao-wei,et al.Optimization design of folded wing for rocket projectile[J].Ordnance Industry Automation,2016,35(3):77-81.(in Chinese)
[11]Zhu Y W,Wang Y,Yan Z M,et al.Multipole field electromagnetic launcher[J].IEEE Transactions on Magnetics,2010,46(7):2622-2627.
[12]朱英伟,严仲明,董亮,等.电容器参数对感应线圈炮发射特性影响的分析[J].高电压技术,2009,35(12):3054-3059.ZHU Ying-wei,YAN Zhong-ming,DONG Liang,et al.Influence of capacitor parameters on launch performance of induction coilgun[J].High Voltage Engineering,2009,35(12):3054-3059.(in Chinese)
[13]曹延杰,刘文彪,张媛,等.单级感应线圈炮最佳初始位置仿真研究[J].计算机仿真,2006,23(12):9-11,31.CAO Yan-jie,LIU Wen-biao,ZHANG Yuan,et al.Simulation and analysis of single stage induction coilgun's best initial position[J].Computer Simulation,2006,23(12):9-11,31.(in Chinese)
[14]国伟,张涛,苏子舟,等.同步感应线圈炮的电枢减速特性[J].高电压技术,2014,40(4):1173-1179.GUO Wei,ZHANG Tao,SU Zi-zhou,et al.Speed reduction of armatures in synchronous induction coilguns[J].High Voltage Engineering,2014,40(4):1173-1179.(in Chinese)