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Effect of Projectile Shape and Velocity on Crater Damage

  • Qiang Wei
  • Haorui Liu
  • Sam Zhang
  • Yu Bai
Conference paper
Part of the Astrophysics and Space Science Proceedings book series (ASSSP, volume 47)

Abstract

The shape of the particles in ground simulations of space debris is mostly assumed as spherical particles. However, the number of flat particles in space debris is much higher than of spherical ones. Therefore, flat-shaped particles pose more danger to orbiting crafts. This paper describes a study that employs the laser-driven flyer technique to produce flat-shaped projectiles of different aspect ratio to impact on quartz glass (usually used as window in spacecraft) and studies the influence of the projectile boundary geometries on damage morphologies. The results show that the impact craters due to spherical particles and to flat ones are similar in shape but differ in depth of penetration and scatter. The equation for spherical debris was modified to describe the relationship between diameters of the crater and the flat projectile.

Keywords

Space debris Laser driven flyer Boundary geometry Hypervelocity impact Impact equation Aspect ratio Penetration coefficient 

Notes

Acknowledgements

Authors would like to acknowledge the funding of the National Natural Science Foundation of China (Grant no.41274191).

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and EngineeringTianjin UniversityTianjinChina
  2. 2.School of Mechanical & Aerospace Engineering, Nanyang Technological UniversitySingaporeSingapore
  3. 3.Beijing Institute of spacecrafts Environment EngineeringBeijingChina

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