Study of underwater-explosion shock wave using ultrahigh-speed simultaneous framing and streak photography technology

CHANG Lihua; HE Hui; WEN Weifeng; LI Jinhe; WANG Xu; RAN Maojie

doi:10.11883/bzycj-2016-0241

Volume 38 Issue 2

Jan. 2018

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Article Navigation > Explosion And Shock Waves > 2018 > 38(2): 437-442

CHANG Lihua, HE Hui, WEN Weifeng, LI Jinhe, WANG Xu, RAN Maojie. Study of underwater-explosion shock wave using ultrahigh-speed simultaneous framing and streak photography technology[J]. Explosion And Shock Waves, 2018, 38(2): 437-442. doi: 10.11883/bzycj-2016-0241

Citation:

CHANG Lihua, HE Hui, WEN Weifeng, LI Jinhe, WANG Xu, RAN Maojie. Study of underwater-explosion shock wave using ultrahigh-speed simultaneous framing and streak photography technology[J]. Explosion And Shock Waves, 2018, 38(2): 437-442. doi: 10.11883/bzycj-2016-0241

Citation:

CHANG Lihua, HE Hui, WEN Weifeng, LI Jinhe, WANG Xu, RAN Maojie. Study of underwater-explosion shock wave using ultrahigh-speed simultaneous framing and streak photography technology[J]. Explosion And Shock Waves, 2018, 38(2): 437-442. doi: 10.11883/bzycj-2016-0241

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Study of underwater-explosion shock wave using ultrahigh-speed simultaneous framing and streak photography technology

doi: 10.11883/bzycj-2016-0241

Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

Received Date: 2016-08-16
Rev Recd Date: 2016-12-05
Publish Date: 2018-03-25

Abstract

Abstract

In this paper we investigated underwater-explosion shock wave propagation using the ultrahigh-speed simultaneous framing and streak photography, a system newly developed by ourselves. The results show that this system is able to record simultaneously the same spatiotemporal 1D and 2D high-resolution images of underwater explosion shock wave propagation and observe the underwater explosion shock wave propagation process of TNT with a diameter of 66mm and a length of 60 mm, and that the average propagation speed and pressure of the shock wave interface can be obtained based on the experiment, thereby providing reference for efficiency evaluation in the design of underwater weapons.
- explosive,
- underwater-explosion,
- ultrahigh-speed photography,
- simultaneous framing and streak scanning photoelectric camera

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References

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