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Chinese Journal of High Pressure Physics  > 2012  >  26(4): 475-480.
TAN Duo-Wang, ZOU Li-Yong, ZHANG Guang-Sheng, HE Zhi, JIANG Yang. Detonation Shock Dynamics Calibration of JB-9014 Explosive at Low Temperature[J]. Chinese Journal of High Pressure Physics, 2012, 26(4): 475-480. doi: 10.11858/gywlxb.2012.04.018
Citation: TAN Duo-Wang, ZOU Li-Yong, ZHANG Guang-Sheng, HE Zhi, JIANG Yang. Detonation Shock Dynamics Calibration of JB-9014 Explosive at Low Temperature[J]. Chinese Journal of High Pressure Physics, 2012, 26(4): 475-480. doi: 10.11858/gywlxb.2012.04.018
shu

Detonation Shock Dynamics Calibration of JB-9014 Explosive at Low Temperature

doi: 10.11858/gywlxb.2012.04.018

  • National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China

  • Received Date: 17 Nov 2010
  • Rev Recd Date: 01 Aug 2011
  • Publish Date: 15 Aug 2012
    Abstract
  • Detonation shock dynamics (DSD) method is an effective way to study the non-ideal propagation of detonation waves. Using the generalized geometrical optics model of DSD, the non-ideal propagation of detonation waves is studied for explosive grain with high slenderness ratio. A computer code is developed to calibrate the DSD parameters for JB-9014 insensitive high explosive by genetic algorithm. Calibration data are obtained from measurements of the detonation velocities and detonation wave fronts in JB-9014 explosive at low temperature of -30 ℃, with diameters of 10-30 mm. The steady-state detonation velocities and detonation wave fronts predicted by these DSD parameters can fit the experimental data within the experimental uncertainty.

     

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