Sympathetic detonation of booster pipe with JO-9C charge

YUAN Junming; LI Shuo; LIU Yucun; TANG Xin; YU Yanwu; YAN Liwei

doi:10.11883/bzycj-2016-0293

Volume 38 Issue 3

Feb. 2018

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YUAN Junming, LI Shuo, LIU Yucun, TANG Xin, YU Yanwu, YAN Liwei. Sympathetic detonation of booster pipe with JO-9C charge[J]. Explosion And Shock Waves, 2018, 38(3): 632-638. doi: 10.11883/bzycj-2016-0293

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Sympathetic detonation of booster pipe with JO-9C charge

doi: 10.11883/bzycj-2016-0293

1.
School of Environment and Safety Engineering, North University of China, Taiyuan 030051, Shanxi, China
2.
Liaoning North Huafeng Special Chemistry Cop., Fushun 113003, Liaoning, China

Received Date: 2016-09-23
Rev Recd Date: 2016-11-08
Publish Date: 2018-05-25

Abstract

Abstract

In the present study we carried out sympathetic detonation experiments, using RDX-8701 as donor and booster pipe and using JO-9C charge as acceptor explosive, to study the response of the fuse explosion device under shock wave. By observing the remainder of the JO-9C explosive, the deformation of the witness and the steel shell, and judging the explosive reaction state, we analyzed the histories in the sympathetic detonation reaction of the acceptor, and established the calculation model of the sympathetic detonation using AUTODYN. The calculated results of the model included the effects of the shock waves produced by the donor that acted on the booster pipe. Based on the fluid-solid coupling method, we also obtained the critical and safety distance of the sympathetic detonation through numerical simulation by adjusting experimental distance. The results show that the detonation wave propagated down firstly along the slope direction of the booster charge, thereby leading to the detonation of the booster charge, and then detonated the detonator explosive. According to the numerical simulation results, the critical and the safety distances of the sympathetic detonation were 5.7 mm and 8.8 mm respectively.
- JO-9C charge,
- booster pipe,
- sympathetic detonation,
- ignition and growth model

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References(11)

References

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