High Power Laser and Particle Beams, Volume. 34, Issue 7, 075003(2022)
Effect of high-current pulsed arc on the evaporation characteristics of graphite electrode
Figures & Tables(12)
Fig. 1. Schematic diagram of graphite electrode position in spark gap switch
Fig. 8. Macro and micro photos of graphite electrode surface ablation
Fig. 9. Mass fraction of graphite vapor on anode surface with time
Table 1. Setting of boundary conditions of MHD model
View tableView in ArticleTable 1. Setting of boundary conditions of MHD model
boundary type temperature/K electric potential magnetic potential AB, EF wall 1000 ${{\partial \varphi } \mathord{\left/ {\vphantom {{\partial \varphi } {\partial n}}} \right. } {\partial n}} = 0$ ${{\partial A} \mathord{\left/ {\vphantom {{\partial A} {\partial n}}} \right. } {\partial n}} = 0$ BC, DE, FG, HA wall 1000 ${{\partial \varphi } \mathord{\left/ {\vphantom {{\partial \varphi } {\partial n}}} \right. } {\partial n}} = 0$ ${{\partial A} \mathord{\left/ {\vphantom {{\partial A} {\partial n}}} \right. } {\partial n}} = 0$ CD wall (cathode) 1000 $j = - \sigma {{\partial \varphi } \mathord{\left/ {\vphantom {{\partial \varphi } {\partial n}}} \right. } {\partial n}}$ ${{\partial A} \mathord{\left/ {\vphantom {{\partial A} {\partial n}}} \right. } {\partial n}} = 0$ GH wall (anode) 1000 $\varphi = 0$ ${{\partial A} \mathord{\left/ {\vphantom {{\partial A} {\partial n}}} \right. } {\partial n}} = 0$
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Hongyu Dai, Jingrun Guo, Bin Yu, Hao Shen, Li Li. Effect of high-current pulsed arc on the evaporation characteristics of graphite electrode[J]. High Power Laser and Particle Beams, 2022, 34(7): 075003
Paper Information
Category: Pulsed Power Technology
Received: Jan. 4, 2022
Accepted: --
Published Online: Jul. 5, 2022
The Author Email: Li Li (leeli@hust.edu.cn)
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