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Volume 36 Issue 1
Jan 2022
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Chinese Journal of High Pressure Physics  > 2022  >  36(1): 014103.
CHONG Tao, MO Jianjun, FU Hua, ZHENG Xianxu, LI Tao, ZHANG Xu. Dynamic Response of PBX-14 under Ramp Wave Compression up to 20 GPa[J]. Chinese Journal of High Pressure Physics, 2022, 36(1): 014103. doi: 10.11858/gywlxb.20210877
Citation: CHONG Tao, MO Jianjun, FU Hua, ZHENG Xianxu, LI Tao, ZHANG Xu. Dynamic Response of PBX-14 under Ramp Wave Compression up to 20 GPa[J]. Chinese Journal of High Pressure Physics, 2022, 36(1): 014103. doi: 10.11858/gywlxb.20210877
shu

Dynamic Response of PBX-14 under Ramp Wave Compression up to 20 GPa

doi: 10.11858/gywlxb.20210877

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

  • Received Date: 13 Sep 2021
  • Rev Recd Date: 10 Oct 2021
    Abstract
  • The dynamic response of unreacted solid TATB-based explosive PBX-14 under ramp wave compression up to 20 GPa was obtained with the magnetically driven loading technique and laser interferometry technique. The pressure-relative specific volume relationship and dynamic parameters, such as the high-pressure sound velocity and particle velocity relationship cL=2.53+3.12up of PBX-14 under ramp wave compression from 0 to 20 GPa were calculated by the iterative Lagrange data processing method based on impedance matching modification. The one-dimensional hydrodynamic numerical simulation of this experimental process was carried out with the isentropic equation of state and dynamic parameters obtained from the experiment. The calculation results agree well with the experimental results, which verifies the correctness of the experimental method, data processing method, and selected physical models in this work.

     

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