内爆驱动式超高速发射技术的初步研究

王马法 HIGGINSAndrew J 焦德志 黄洁 柳森

王马法, HIGGINSAndrew J, 焦德志, 黄洁, 柳森. 内爆驱动式超高速发射技术的初步研究[J]. 高压物理学报, 2020, 34(3): 033301. doi: 10.11858/gywlxb.20190870
引用本文: 王马法, HIGGINSAndrew J, 焦德志, 黄洁, 柳森. 内爆驱动式超高速发射技术的初步研究[J]. 高压物理学报, 2020, 34(3): 033301. doi: 10.11858/gywlxb.20190870
WANG Mafa, HIGGINS Andrew J, JIAO Dezhi, HUANG Jie, LIU Sen. Preliminary Simulation and Experimental Study on Implosion-Driven Hypervelocity Launching Technology[J]. Chinese Journal of High Pressure Physics, 2020, 34(3): 033301. doi: 10.11858/gywlxb.20190870
Citation: WANG Mafa, HIGGINS Andrew J, JIAO Dezhi, HUANG Jie, LIU Sen. Preliminary Simulation and Experimental Study on Implosion-Driven Hypervelocity Launching Technology[J]. Chinese Journal of High Pressure Physics, 2020, 34(3): 033301. doi: 10.11858/gywlxb.20190870

内爆驱动式超高速发射技术的初步研究

doi: 10.11858/gywlxb.20190870
基金项目: 国家自然科学基金(11802330)
详细信息
    作者简介:

    王马法(1986-),男,博士,助理研究员,主要从事超高速发射与毁伤技术研究.E-mail:fujianwmf@163.com

    通讯作者:

    柳 森(1967-),男,博士,研究员,主要从事超高速碰撞与动能毁伤研究. E-mail:hvi@cardc.cn

  • 中图分类号: O521.3

Preliminary Simulation and Experimental Study on Implosion-Driven Hypervelocity Launching Technology

  • 摘要: 为获得10 km/s左右的超高速发射能力,以内爆发射器为研究对象,利用AUTODYN 2D软件对口径为8 mm的内爆发射器进行有限元仿真分析,获得了典型状态下的弹丸发射速度。研制了口径为8 mm的内爆发射器,并在压缩管中填充5 MPa氦气进行实验,分别获得了0.55 g铝合金弹丸7.95 km/s和0.37 g镁合金弹丸10.28 km/s的发射速度,与有限元仿真计算结果的速度偏差分别为15.3%和3.7%。结果表明,设计的内爆发射器具备10 km/s发射能力,满足空间碎片撞击和防护研究的超高速发射需求。

     

  • 图  内爆式超高速发射器结构示意图[11]

    Figure  1.  Structural diagram of implosion-driven hypervelocity launcher[11]

    图  内爆式超高速发射器工作原理[11]

    Figure  2.  Working diagram of implosion launcher after ignition[11]

    图  8 mm口径内爆式发射装置工作过程

    Figure  3.  Launch process of 8 mm caliber implosion launcher

    图  不同充气压力下铝弹丸的速度-时间历史

    Figure  4.  Velocity-time history of aluminum projectiles with different filling pressure

    图  不同材料弹丸速度-时间历史

    Figure  5.  Velocity-time history of projectiles with different materials

    图  内爆式超高速发射器实物

    Figure  6.  Image of implosion-driven hypervelocity launcher

    图  实验装置布局示意图

    Figure  7.  Layout of experimental equipment

    图  ILT08实验发射器装置回收

    Figure  8.  Recycle launcher of test ILT08

    图  0.55 g铝合金弹丸速度测试结果

    Figure  9.  Experimental muzzle velocities of 0.55 g aluminum projectile

    图  10  0.37 g镁合金弹丸速度测试结果

    Figure  10.  Experimental muzzle velocities of 0.37 g magnesium projectile

    图  11  弹丸序列激光阴影成像结果

    Figure  11.  Projectile photos shot by sequence laser shadowgraph imager

    表  1  不同弹丸材料和充气压力下仿真计算参数

    Table  1.   Simulation parameters of launchers with different projectile materials and filling pressure

    No.Material of projectileFilling pressure/MPaDiameter of launch tube/mmDiameter of pump tube/mmMuzzle velocity/(km·s–1
    1Aluminum alloy4816 8.62
    2Aluminum alloy5816 9.17
    3Aluminum alloy6816 9.25
    4Magnesium alloy581610.66
    下载: 导出CSV

    表  2  内爆发射器实验相关参数

    Table  2.   Parameters of the implosion-driven launchers in tests

    No.Material of projectileMass of projectile/gFilling pressure/MPaDiameter of launch tube/mmDiameter of pump tube/mmMaximum velocity/(km·s–1
    ILT04Aluminum alloy0.555816 7.26
    ILT07 6.96
    ILT14 7.95
    ILT08Magnesium alloy0.375816 9.73
    ILT0910.28
    ILT11 9.36
    ILT12 9.77
    下载: 导出CSV
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  • 收稿日期:  2019-12-23
  • 修回日期:  2020-01-20

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