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Chinese Journal of High Pressure Physics  > 2010  >  24(6): 431-437 .
XU Sen, LIU Da-Bin, PENG Jin-Hua, WANG Jian-Ling, GUO Wei, JIN Peng-Gang, JIA Xian-Zheng. Study on the Shock Wave Attenuation of the Booster Charge in the PMMA Gap[J]. Chinese Journal of High Pressure Physics, 2010, 24(6): 431-437 . doi: 10.11858/gywlxb.2010.06.005
Citation: XU Sen, LIU Da-Bin, PENG Jin-Hua, WANG Jian-Ling, GUO Wei, JIN Peng-Gang, JIA Xian-Zheng. Study on the Shock Wave Attenuation of the Booster Charge in the PMMA Gap[J]. Chinese Journal of High Pressure Physics, 2010, 24(6): 431-437 . doi: 10.11858/gywlxb.2010.06.005
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Study on the Shock Wave Attenuation of the Booster Charge in the PMMA Gap

doi: 10.11858/gywlxb.2010.06.005
  • 1.

    School of Chemical Engineering of Nanjing University of Science and Technology, Nanjing 210094, China;

  • 2.

    National Quality Supervision Testing Center for Industrial Explosive Materials, Nanjing 210094, China;

  • 3.

    Xi'an Modern Chemistry Research Institute, Xi'an 710065, China

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  • Corresponding author: LIU Da-Bin
  • Received Date: 30 Oct 2009
  • Rev Recd Date: 08 Jan 2010
  • Issue Publish Date: 15 Dec 2010
    Abstract
  • The shock pressure at the interface between booster charge and PMMA gap was calculated by graphing method. The AUTODYN was used to simulate the attenuation process of the shock wave in the PMMA gap. The output shock pressures, which were produced by the substituted booster charge of the UN gap test, were measured in the PMMA gap at different positions by manganin gauges. The shock velocity, particle velocity and density after the shock front were calculated. The results showed that the measured data, theoretical arithmetic and numerical simulation are consistent, and the attenuation regularity of shock pressure in PMMA is extracted from the test results. AUTODYN 6.1 software is capable of predicting the attenuation characteristic of shock wave in PMMA gap.

     

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