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Volume 32 Issue 2
Jan 2018
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Chinese Journal of High Pressure Physics  > 2018  >  32(2): 025103.
XU Chenyang, ZHANG Xianfeng, LIU Chuang, DENG Jiajie, ZHENG Yingmin. Depth of Penetration and Its Influence Factors of Long Rod Projectile Impacting on Semi Infinite Target with Elevated Velocity[J]. Chinese Journal of High Pressure Physics, 2018, 32(2): 025103. doi: 10.11858/gywlxb.20170592
Citation: XU Chenyang, ZHANG Xianfeng, LIU Chuang, DENG Jiajie, ZHENG Yingmin. Depth of Penetration and Its Influence Factors of Long Rod Projectile Impacting on Semi Infinite Target with Elevated Velocity[J]. Chinese Journal of High Pressure Physics, 2018, 32(2): 025103. doi: 10.11858/gywlxb.20170592
shu

Depth of Penetration and Its Influence Factors of Long Rod Projectile Impacting on Semi Infinite Target with Elevated Velocity

doi: 10.11858/gywlxb.20170592

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

  • Received Date: 15 Jun 2017
  • Rev Recd Date: 25 Jun 2017
    Abstract
  • Hypervelocity penetration is an important issue for a weapon designer and protection engineering experts.With the increase of the impact velocity, a projectile may transition into a fluid penetration phase, and its depth of penetration (DOP) no longer rises monotonously with the velocity.Numerical simulation of the penetration processes of a long rod projectile at an elevated impact velocity was performed to analyze the variation and influencing factors of the transition point.Influences of the hardness, nose shape, material of the projectile and the target on the transition point of DOP were simulated.The simulation results show that, with the increase of the impact velocity, the DOP increases at first and then decreases at a certain velocity (called the transition velocity).The velocity of the transition point improves with the increase of the projectile's hardness.The Ogive-headed projectile has a higher transition point than the spherical-headed projectile.Moreover, the projectile/target material also has significant effects on the transition point.

     

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