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Chinese Journal of High Pressure Physics  > 2012  >  26(6): 601-607.
DONG He-Fei, ZHAO Yan-Hong, HONG Tao. Numerical Simulation of the Deflagration-to-Detonation Transition Behavior of Explosive HMX[J]. Chinese Journal of High Pressure Physics, 2012, 26(6): 601-607. doi: 10.11858/gywlxb.2012.06.001
Citation: DONG He-Fei, ZHAO Yan-Hong, HONG Tao. Numerical Simulation of the Deflagration-to-Detonation Transition Behavior of Explosive HMX[J]. Chinese Journal of High Pressure Physics, 2012, 26(6): 601-607. doi: 10.11858/gywlxb.2012.06.001
shu

Numerical Simulation of the Deflagration-to-Detonation Transition Behavior of Explosive HMX

doi: 10.11858/gywlxb.2012.06.001

  • Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

  • Received Date: 09 May 2011
  • Rev Recd Date: 16 Jun 2011
  • Issue Publish Date: 15 Dec 2012
    Abstract
  • The deflagration-to-detonation transition (DDT) model of the granular HMX was established based on the two-phase detonation model. The equation of state of the gas products was described by the calculated results of the CHEQ-like program which was based on the statistical mechanical theory. The DDT process of the granular HMX beds with an average grain size of 125 m was numerical simulated by the CE/SE method. The effects of the loading density on the DDT was studied and compared with the experimental results. Numerical results indicate that the run distance to detonation has a U-shaped relation with the loading density.

     

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