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Chinese Journal of High Pressure Physics  > 2012  >  26(1): 7-17.
XU Kun-Bo, GONG Zi-Zheng, HOU Ming-Qiang, ZHENG Jian-Dong, YANG Ji-Yun. Debris Cloud Characteristics of Non-Spherical Projectile Based on Characteristic Length[J]. Chinese Journal of High Pressure Physics, 2012, 26(1): 7-17. doi: 10.11858/gywlxb.2012.01.002
Citation: XU Kun-Bo, GONG Zi-Zheng, HOU Ming-Qiang, ZHENG Jian-Dong, YANG Ji-Yun. Debris Cloud Characteristics of Non-Spherical Projectile Based on Characteristic Length[J]. Chinese Journal of High Pressure Physics, 2012, 26(1): 7-17. doi: 10.11858/gywlxb.2012.01.002
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Debris Cloud Characteristics of Non-Spherical Projectile Based on Characteristic Length

doi: 10.11858/gywlxb.2012.01.002

  • National Key Laboratory of Science and Technology on Reliability and Environment Engineering, Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China

  • Received Date: 07 Sep 2010
  • Rev Recd Date: 13 Mar 2011
  • Publish Date: 15 Feb 2012
    Abstract
  • The effects of non-spherical projectile shape on hypervelocity impact are investigated for the cube and flake projectiles, which are the typical shapes of orbital debris in ORDEM2000 and Standard Breakup Model (SBM), by using AUTODYN-3D hydrocode simulations. The characteristics of the debris clouds produced by the hypervelocity impact based on the characteristic length of projectile are analyzed from their shape, mass, velocity and energy distributions, respectively, and are compared with the common used sphere projectile. The simulated results show that the shape and impact orientations of projectile have obvious influences on the debris cloud distribution, and moreover, the point impacts of the cube and flake have the maximum penetration capability, whereas the sphere is minimal. This means that the meteoroids and orbital debris impact risks of spacecrafts would be underestimated using the spherical projectilebased Ballistic Limit Curves (BLC). The projectile shape effects based on the real characteristic length of orbital debris will make more reasonable corrections for the BLC.

     

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