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

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

1.
中国空气动力研究与发展中心，四川绵阳　621000
2.
麦吉尔大学工程力学系，魁北克蒙特利尔　H3A2K6，加拿大

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
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出版历程
- 收稿日期: 2019-12-23
- 修回日期: 2020-01-20

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

1.
China Aerodynamics Research and Development Center, Mianyang 621000, Sichuan, China
2.
Department of Mechanical Engineering, McGill University, Montreal H3A2K6, Quebec, Canada

摘要

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。
- 发射技术 /
- 超高速 /
- 内爆驱动式
Abstract: For achieving the hypervelocity launching of about 10 km/s, an implosion-driven launcher with the caliber of 8 mm diameter was analyzed using the AUTODYN 2D software. The projectile launching velocities under typical operation condition were obtained. Based on numerical simulation results, several tests of the implosion-driven launcher with the caliber of 8 mm diameter were carried out. The driven gas of helium with the pressure of 5 MPa was filled in the compressed pipe. The experimental results show that the 0.55 g aluminum and 0.37 g magnesium projectiles could be launched to the velocity of 7.95 km/s and 10.28 km/s, respectively, and the relative deviations between the numerical and experimental results are 15.3% and 3.7%, respectively. Consequently, the designed implosion-driven launcher can realize the launching of the projectiles to 10 km/s or even higher which could provide a new ground-test method for investigating the impact features of orbital debris and corresponding shield technologies.
- launching technique /
- hypervelocity /
- implosion-driven

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图 1 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]

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图 2 内爆式超高速发射器工作原理^[11]

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

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图 3 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

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图 4 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

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图 5 不同材料弹丸速度-时间历史

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

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图 6 内爆式超高速发射器实物

Figure 6. Image of implosion-driven hypervelocity launcher

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图 7 实验装置布局示意图

Figure 7. Layout of experimental equipment

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图 8 ILT08实验发射器装置回收

Figure 8. Recycle launcher of test ILT08

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图 9 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

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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

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图 11 弹丸序列激光阴影成像结果

Figure 11. Projectile photos shot by sequence laser shadowgraph imager

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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 projectile	Filling pressure/MPa	Diameter of launch tube/mm	Diameter of pump tube/mm	Muzzle velocity/（km·s^–1）
1	Aluminum alloy	4	8	16	8.62
2	Aluminum alloy	5	8	16	9.17
3	Aluminum alloy	6	8	16	9.25
4	Magnesium alloy	5	8	16	10.66

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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 projectile	Mass of projectile/g	Filling pressure/MPa	Diameter of launch tube/mm	Diameter of pump tube/mm	Maximum velocity/（km·s^–1）
ILT04	Aluminum alloy	0.55	5	8	16	7.26
ILT07						6.96
ILT14						7.95
ILT08	Magnesium alloy	0.37	5	8	16	9.73
ILT09						10.28
ILT11						9.36
ILT12						9.77

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