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Debris Cloud Characteristics of Non-Spherical Projectile Based on Characteristic Length
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Kun-Bo XU, Zi-Zheng GONG, Ming-Qiang HOU, Jian-Dong ZHENG, Ji-Yun YANG
Chinese Journal of High Pressure Physics | 2012, 26(1) : 7 - 17
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Chinese Journal of High Pressure Physics | 2012, 26(1): 7-17
Debris Cloud Characteristics of Non-Spherical Projectile Based on Characteristic Length
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Kun-Bo XU, Zi-Zheng GONG, Ming-Qiang HOU, Jian-Dong ZHENG, Ji-Yun YANG
Affiliations
  • National Key Laboratory of Science and Technology on Reliability and Environment Engineering, Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China
Published: 2012-02-15
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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.

meteoroids and orbital debris  /  hypervelocity impact  /  debris cloud  /  projectile shape effect  /  numerical simulation
徐坤博, 龚自正, 侯明强, 郑建东, 杨继运. 基于特征长度的非球形弹丸超高速撞击碎片云特性研究. 高压物理学报, 2012 , 26 (1) : 7 -17 .
Kun-Bo XU, Zi-Zheng GONG, Ming-Qiang HOU, Jian-Dong ZHENG, Ji-Yun YANG. Debris Cloud Characteristics of Non-Spherical Projectile Based on Characteristic Length[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (1) : 7 -17 .
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  • Receive Date：2010-09-07
  • Online Date：2026-11-05
  • Published：2012-02-15
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  • Received：2010-09-07
  • Revised：2011-03-13
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Affiliations
    National Key Laboratory of Science and Technology on Reliability and Environment Engineering, Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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