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Chinese Journal of High Pressure Physics  > 2010  >  24(6): 401-408 .
WU Jun-Ying, WANG De-Wu, CHEN Lang, WANG Shu-Shan, HAN Xiu-Feng. Experiments and Numerical Simulations of Bullet Impact Tests for Explosives with Shell[J]. Chinese Journal of High Pressure Physics, 2010, 24(6): 401-408 . doi: 10.11858/gywlxb.2010.06.001
Citation: WU Jun-Ying, WANG De-Wu, CHEN Lang, WANG Shu-Shan, HAN Xiu-Feng. Experiments and Numerical Simulations of Bullet Impact Tests for Explosives with Shell[J]. Chinese Journal of High Pressure Physics, 2010, 24(6): 401-408 . doi: 10.11858/gywlxb.2010.06.001
shu

Experiments and Numerical Simulations of Bullet Impact Tests for Explosives with Shell

doi: 10.11858/gywlxb.2010.06.001
  • 1.

    State Key Laboratory of Explosion Science and Technology, Beijing 100081, China;

  • 2.

    The Second Artillery Equipment Academy, Beijing 100085, China

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  • Corresponding author: WU Jun-Ying
  • Received Date: 16 Mar 2010
  • Rev Recd Date: 30 Aug 2010
  • Issue Publish Date: 15 Dec 2010
    Abstract
  • HL-10 explosive is an aluminized explosive based on RDX. In order to investigate the safety characteristics of HL-10 for bullet impact test, 12.7 mm bullet was used to impact HL-10 charge. Experimental results show that there is no significant reaction or burning resulted from these bullet impact tests, so the impact sensitive of HL-10 for bullet impact test is defined as the first grade. The calculation modes and methods of bullet impact tests were established. The three-dimensional numerical simulations of the bullet impact tests were conducted. Good agreement was found between the calculated results and the experimental results. In addition, the responses of HL-10 to different bullet impact velocities were analyzed. The calculated results can provide a theoretical basis for the analysis of explosives safety evaluation. To further verify the calculation model and method, the bullet impact test calculation for America PBX-9404 explosive was conducted. The results show that, PBX-9404 explosives would be detonated at 850 m/s impact velocity for the same calculation mode, which are consistent with Neff and others experimental results.

     

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