Acta Physica Sinica, Volume. 69, Issue 5, 050701-1(2020)
Figures & Tables(10)
Fig. 2. (a) The relationship between outer surface velocity and electrical action with various liner thicknesses; (b) the change of outer surface velocity with the liner thickness for initial outer radius
Fig. 3. Change of (a) the maximum momentum and (b) the maximum kinetic energy vs. thickness and electrical action.
Fig. 4. The optimal velocity and thickness of liner vs. initial outer radius.
Fig. 5. (a) The configration of impact experiment liner; (b) the layout of PDV probe.
Fig. 6. (a) The measurement velocity profile comparing with the calculated results; (b) the velocity profile of 1D-simulation and formula (
Fig. 7. The comparison of experiment and simulation: (a) The velocity profile; (b) the pressure and density profile.
Table 1. Electrical action constants for aluminum
View tableView in ArticleTable 1. Electrical action constants for aluminum
物态 电作用量Q/1016A2·s·m–4 Qmb 2.52 Qme 3.20 Qv 4.86 Qb 6.58
Table 2.
The material constants for typical metals.
典型金属的材料特性数据
View tableView in ArticleTable 2.
The material constants for typical metals.
典型金属的材料特性数据
材料 电阻率η/μΩ·cm 密度ρ/g·cm–3 爆炸电作用量Qb/1016A2·s·m–4 (Qb/ρ)/1010A2·s·g–1·m–1 铝(Aluminum) 2.82 2.70 6.58 2.44 铜(Copper) 1.77 8.95 17.30 1.93 金(Gold) 2.44 19.30 8.30 0.43 铀(Uranium) 28.00 18.70 3.50 0.19
Table 3.
The impact pressure of typical metals.
典型金属的碰撞压力
View tableView in ArticleTable 3.
The impact pressure of typical metals.
典型金属的碰撞压力
铝靶PI/GPa 铜靶PI/GPa 金靶PI/GPa 铀靶PI/GPa 铝飞层(2.44 km/s) 23.5 34.4 40.4 39.6 铜飞层(1.93 km/s) 26.1 46.4 60.4 59.3 金飞层(0.43 km/s) 5.5 10.3 14 12.9 铀飞层(0.19 km/s) 2.2 4.0 5.3 4.8
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Zheng-Wei Zhang, Gui-Lin Wang, Shao-Long Zhang, Qi-Zhi Sun, Wei Liu, Xiao-Ming Zhao, Yue-Song Jia, Wei-Ping Xie.
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Received: Nov. 4, 2019
Accepted: --
Published Online: Nov. 18, 2020
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