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Chinese Journal of High Pressure Physics  > 2013  >  27(5): 677-684.
LIU Kun, WU Zhi-Lin, XU Wan-He, MO Gen-Lin. Research on Model Parameters of Bullet Penetrating Gelatin[J]. Chinese Journal of High Pressure Physics, 2013, 27(5): 677-684. doi: 10.11858/gywlxb.2013.05.004
Citation: LIU Kun, WU Zhi-Lin, XU Wan-He, MO Gen-Lin. Research on Model Parameters of Bullet Penetrating Gelatin[J]. Chinese Journal of High Pressure Physics, 2013, 27(5): 677-684. doi: 10.11858/gywlxb.2013.05.004
shu

Research on Model Parameters of Bullet Penetrating Gelatin

doi: 10.11858/gywlxb.2013.05.004
  • 1.

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

  • 2.

    Nanjing Mint Company Limited, Nanjing 211100, China

  • Received Date: 01 Nov 2012
  • Rev Recd Date: 23 Nov 2012
  • Publish Date: 15 Oct 2013
    Abstract
  • Based on the 2-D motion model of bullet penetrating gelatin, a function of the drag coefficient, the lift coefficient, the roll moment coefficient and the yaw damping torque coefficient derivative which is related to the bullet shape is established. Based on the 7.62 mm bullet, five kinds of bullets were designed for the penetrating experiment by changing the caliber of ogive, the ratio of tail contraction and the length-diameter ratio of cylinder. The model was calculated based on the Runge-Kutta method and the calculation is compared with the experiment. The result shows that these four coefficients can describe the effect of the bullet shape on the motion. It will provide theoretical bases for the ammunition design.

     

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