Ultrahigh-speed simultaneous framing and streak photography of magnetic flux compression by explosive cylindrical implosion

Chang Lihua; He Hui; Wen Weifeng; Gu Zhuowei; Li Zeren; Peng Qixian; Wang Xu; Li Jian; Qian Weixin; Liu Ningwen; Zhao Xincai; Wang Wei

doi:10.11884/HPLPB201527.115002

Volume 27 Issue 11

Nov. 2015

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Article Navigation > High Power Laser and Particle Beams > 2015 > 27(11): 115002

Xie Chengfeng, Cui Danfeng, Tang Jun, et al. Improvement of thermal nonlinear effect in hybrid microsphere resonator[J]. High Power Laser and Particle Beams, 2015, 27: 024126. doi: 10.11884/HPLPB201527.024126

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Chang Lihua, He Hui, Wen Weifeng, et al. Ultrahigh-speed simultaneous framing and streak photography of magnetic flux compression by explosive cylindrical implosion[J]. High Power Laser and Particle Beams, 2015, 27: 115002. doi: 10.11884/HPLPB201527.115002

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Ultrahigh-speed simultaneous framing and streak photography of magnetic flux compression by explosive cylindrical implosion

doi: 10.11884/HPLPB201527.115002

1.
Institute of Fluid Physics,CAEP,P.O.Box 919-109,Mianyang 621900,China

Received Date: 2015-05-11
Rev Recd Date: 2015-06-16
Publish Date: 2015-10-27

Abstract

Abstract

In this paper, we applied the utility of ultrahigh-speed simultaneous framing and streak photography technology in the experiment of magnetic flux compression by cylindrical implosion. For the first time, we obtained the spatio-temporal 1D and 2D images of compression process of magnetic field with high temporal and spatial resolutions using ultrahigh-speed simultaneous framing and streak photography techniques. We observed the whole compression and rebound process. Curves of diameter change with time and the compression speed were obtained. The experiment results shows that the compression process had interface instability and asymmetry phenomena, the whole compression time was 8-10 s, and the whole compression speed was 3.8-4.5 km/s.
- cylindrical implosion,
- magnetic flux compression,
- high-speed photography,
- simultaneous framing and streak optic electronic camera

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