Cheng-Lu Jiang, Ang Wang, Feng Zhao, Hai-Lin Shang, Ming-Jian Zhang, Fu-Sheng Liu, Qi-Jun Liu. Three-dimensional discrete element technology investigated ignition mechanism of octahydro-1, 3, 5, 7-tetranitro -1, 3, 5, 7-tetrazocine particles under drop hammer impact [J]. Acta Physica Sinica, 2019, 68(22): 228301-1
- Acta Physica Sinica
- Vol. 68, Issue 22, 228301-1 (2019)
Fig. 1. Discrete element model for a single HMX particle.单个HMX颗粒离散元模型
Fig. 2. Discrete element model for HMX multi-particles.多个HMX颗粒离散元模型
Fig. 3. The response of HMX particles with the size of 100 μm.颗粒尺寸为100 μm的HMX颗粒受到撞击后的响应过程
Fig. 4. The response of HMX particles with the size of 500 μm.颗粒尺寸为500 μm的HMX颗粒炸药受到撞击后的响应过程
Fig. 5. The response of HMX particles with the size of 1000 μm.颗粒尺寸为1000 μm的HMX颗粒炸药受到撞击后的响应过程
Fig. 6. The response of HMX particles with the falling height of 30 cm.下落高度为30 cm的HMX颗粒炸药受到撞击后的响应过程
Fig. 7. The response of HMX particles with the falling height of 40 cm.下落高度为40 cm的HMX颗粒炸药受到撞击后的响应过程
Fig. 8. The response of HMX particles with the particle number 19.颗粒数为19的HMX颗粒炸药受到撞击后的响应过程
Fig. 9. The relationship between temperature and thickness of particles.不同颗粒数样品厚度与温度的关系
Fig. 10. The combustion model under impact of spherical explosive particles.尖顶球型炸药颗粒冲击燃烧模型
Fig. 11. Shear heating effect of flat-topped particles.平顶颗粒剪切加热效应
Fig. 12. Local ignition of surface and the process of expansion.上表面局部点火及燃烧区扩展过程
Fig. 13. Ignition characteristics of porous particles (discrete elements
) under shock force.
含孔洞颗粒(离散元
个)受撞击后的的点火特性
Fig. 14. Ignition characteristics of porous particles (discrete elements
) under shock force.
含孔洞颗粒(离散元
个)受撞击后的的点火特性
|
Table 1. The calculating parameters of HMX.
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