Volume 31 Issue 1
Dec 2016
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HE Jia, LUO Bin-Qiang, PANG Shu-Cai, TAN Fu-Li. Numerical Simulation of Electrical Explosion of Micro-Exploding Foil[J]. Chinese Journal of High Pressure Physics, 2017, 31(1): 21-26. doi: 10.11858/gywlxb.2017.01.004
Citation: HE Jia, LUO Bin-Qiang, PANG Shu-Cai, TAN Fu-Li. Numerical Simulation of Electrical Explosion of Micro-Exploding Foil[J]. Chinese Journal of High Pressure Physics, 2017, 31(1): 21-26. doi: 10.11858/gywlxb.2017.01.004

Numerical Simulation of Electrical Explosion of Micro-Exploding Foil

doi: 10.11858/gywlxb.2017.01.004
  • Received Date: 08 Apr 2015
  • Rev Recd Date: 08 Jul 2015
  • A method was established for modeling the electrical explosive process of the micro metal foil based on reasonable simplification and a 1D code was developed to simulate the electrical explosive process of the micro metal foil. The numerical results agree well with the experimental data. Compared with the experimental results, the calculated exploding current and burst time are within a difference of 5%. The calculated results show that the pressure of the exploding product can reach about 2 GPa, the temperature of the exploding product can exceed 10 000 K, and the degree of ionization is over 40%. Using this numerical method, we obtained the minimum exploding threshold of the voltage, which is important for the design of the micro-foil switch, and which was validated by the experimental results.

     

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