High Power Laser and Particle Beams, Volume. 32, Issue 7, 071007(2020)
Analysis of thermal effect on explosives of single-pulse femtosecond laser ablation
Figures & Tables(12)
Fig. 1. Schematic diagram of femtosecond laser ablation of explosive
Fig. 2. Schematic diagram of fluid-solid coupling calculation model of femtosecond laser ablation of explosive
Fig. 6. Temperature distribution in the unablated zones of TNT（200 μJ）
Fig. 8. Temperature changes over time at each temperature monitoring point in TNT
Fig. 9. Temperature changes over time at each axial temperature monitoring point in TNT
Fig. 10. Temperature changes over time at each radial temperature monitoring point in TNT
Table 1. Physical properties of TNT
View tableView in ArticleTable 1. Physical properties of TNT
explosive density/（kg·m−3） specific thermal capacity/（J·kg−1·K−1） thermal conductivity/（W·m−1·K−1） ignition temperature/K TNT 1 580 1 380 0.5 513
Table 2. Kinetic parameters of multi-step thermal decomposition reaction of TNT
View tableView in ArticleTable 2. Kinetic parameters of multi-step thermal decomposition reaction of TNT
step E /（kJ·mol−1）Z /s−1Q /（kJ·kg−1）1 200.000 6.0×1014 −125.575 2 144.412 1.957×1012 3 767.267 3 140.226 2.391×1013 3 592.840
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Jiaxi Liu, Junying Wu, Lijun Yang, Yaojiang Li, Jiaojiao Wu, Jianying Lu, Lang Chen. Analysis of thermal effect on explosives of single-pulse femtosecond laser ablation[J]. High Power Laser and Particle Beams, 2020, 32(7): 071007
Paper Information
Category: High Power Laser Physics and Technology
Received: Mar. 9, 2020
Accepted: --
Published Online: Jul. 10, 2020
The Author Email: Wu Junying (wjy1312@bit.edu.cn)
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