Study of increase in energy deposition by electrical explosion of  carrier wire

Bai Yangwei; Zhang Aihua; Duan Jingbang; Wang Qi; Zhu Liang

doi:10.11884/HPLPB202335.220413

Volume 35 Issue 6

May 2023

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Bai Yangwei, Zhang Aihua, Duan Jingbang, et al. Study of increase in energy deposition by electrical explosion of carrier wire[J]. High Power Laser and Particle Beams, 2023, 35: 065001. doi: 10.11884/HPLPB202335.220413

Citation:

Bai Yangwei, Zhang Aihua, Duan Jingbang, et al. Study of increase in energy deposition by electrical explosion of carrier wire[J]. High Power Laser and Particle Beams, 2023, 35: 065001. doi: 10.11884/HPLPB202335.220413

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Study of increase in energy deposition by electrical explosion of carrier wire

doi: 10.11884/HPLPB202335.220413

1.
College of Electrical and Information Engineering, Lanzhou University of Technology, Lanzhou 730050, China
2.
College of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China

Received Date: 2022-12-12
Accepted Date: 2023-03-11
Rev Recd Date: 2023-03-11

Available Online: 2023-03-18

Publish Date: 2023-05-06

Abstract

Abstract

The energy deposition of wire is a critical parameter in determining the effectiveness of the explosion during the electrical wire explosion. Based on developing a continuous wire-feeding electrical explosion device, a method was proposed to increase wire energy deposition with electrical explosion carrier wire. According to the phase transition theory of metal wire in the process of electrical explosion and the nonlinear time-varying nature of bypass parallel resistance, the resistance-energy segmentation model of wire load was established. The electrical explosion experiments were carried out separately using the carrier and bare wire. The discharge waveforms during the wire electrical explosion process were collected synchronously and analyzed to investigate the mechanism associated with the electrical explosion of the carrier wire and the variation of the energy deposition. The results show that in the early stage of wire electrical explosion, due to the insulation of the carrier ribbon, the parallel bypass resistance is greater than that of the bare wire, thus the resistance of the carrier wire is higher than that of the bare wire. With the progress of ohmic heating, the liquid metal in the carrier wire accumulates from both ends to the middle in the axial direction, which accelerates the phase transition process of electrical explosion, reduces the equivalent resistance, delays the breakdown process along the surface, and obtains more energy.
- continuous wire electrical explosion,
- carrier wire,
- energy deposition,
- resistance-energy segmentation model,
- breakdown along the surface

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References(17)

References

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