• High Power Laser and Particle Beams
  • Vol. 32, Issue 2, 025007 (2020)
Yanling Wen, Ling Dai*, Qi Zhu, Shaojie Wang, and Fuchang Lin
Author Affiliations
  • State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science & Technology, Wuhan 430074, China
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    DOI: 10.11884/HPLPB202032.190332 Cite this Article
    Yanling Wen, Ling Dai, Qi Zhu, Shaojie Wang, Fuchang Lin. Efficiency of distributed energy storage electromagnetic railgun[J]. High Power Laser and Particle Beams, 2020, 32(2): 025007 Copy Citation Text show less
    Mesh of rails and armature导轨与电枢的剖分网格
    Fig. 1. Mesh of rails and armature导轨与电枢的剖分网格
    Input current输入的电流波形
    Fig. 2. Input current输入的电流波形
    Current density distribution map of single rail at different moments不同时刻单导轨yz截面电流密度分布图
    Fig. 3. Current density distribution map of single rail at different moments不同时刻单导轨yz截面电流密度分布图
    Changes of resistance gradient with time电阻梯度随时间变化情况
    Fig. 4. Changes of resistance gradient with time电阻梯度随时间变化情况
    Topology of the PFUPFU电路拓扑结构
    Fig. 5. Topology of the PFUPFU电路拓扑结构
    Current waveform of PFUPFU电路的输出电流
    Fig. 6. Current waveform of PFUPFU电路的输出电流
    Trigger strategy of DESDES的触发策略
    Fig. 7. Trigger strategy of DESDES的触发策略
    Current, velocity and displacement curves of DES
    Fig. 8. Current, velocity and displacement curves of DES
    Velocity and displacement curves of breech-fed railgun
    Fig. 9. Velocity and displacement curves of breech-fed railgun
    Lri′/(μH·m) ρr/(m·Ω) Rri′/μΩ ucu2ma+p/kg ρa/(m·Ω) k1βa/(m2·Ω·A-1) u1
    railarmature-projectile system
    0.451.67×10-87.90.340.3211.67×10-82.5×10-23×10-160.68
    Table 1. Parameters of electromagnetic railgun
    trigger sequencex/m total units
    1014
    20.18
    30.27
    41.16
    51.95
    Table 2. PFU laying mode
    Yanling Wen, Ling Dai, Qi Zhu, Shaojie Wang, Fuchang Lin. Efficiency of distributed energy storage electromagnetic railgun[J]. High Power Laser and Particle Beams, 2020, 32(2): 025007
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