Volume 35 Issue 5
Sep 2021
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XIAO Xiangdong, XIAO Youcai, JIANG Haiyan, FAN Chenyang, WANG Zhijun. Numerical Simulation and Analysis of Fuze Explosive Trains under Shock Waves[J]. Chinese Journal of High Pressure Physics, 2021, 35(5): 054202. doi: 10.11858/gywlxb.20210706
Citation: XIAO Xiangdong, XIAO Youcai, JIANG Haiyan, FAN Chenyang, WANG Zhijun. Numerical Simulation and Analysis of Fuze Explosive Trains under Shock Waves[J]. Chinese Journal of High Pressure Physics, 2021, 35(5): 054202. doi: 10.11858/gywlxb.20210706

Numerical Simulation and Analysis of Fuze Explosive Trains under Shock Waves

doi: 10.11858/gywlxb.20210706
  • Received Date: 10 Jan 2021
  • Rev Recd Date: 02 Feb 2021
  • In order to resolve the problem of martyred detonation of insensitive munitions or fuzes during combat readiness and logistical storage, numerical simulation of detonation sequence of the fuze under shock wave was carried out by using nonlinear finite element method. The growth course, propagation law and critical detonation distance of the fuze explosive train were obtained. And the criterion of shock wave energy was established and the condition of sympathetic detonation was given. The results showed that the detonation wave propagates from the top left to the bottom right and explodes at the bottom right, and the critical sympathetic detonation distance of the fuze explosive train is 9.7 mm. When the shock wave energy was greater than the critical detonation energy, the sympathetic detonation occurs in the fuze explosive train.

     

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