Observations of impact phenomena of spherical projectile on aggregated particles in random packing

Masahiro Nishida; Koichi Tanaka; Yusuke Ikeda

doi:10.1117/12.725222

11 January 2007 Observations of impact phenomena of spherical projectile on aggregated particles in random packing

Masahiro Nishida, Koichi Tanaka, Yusuke Ikeda

Proceedings Volume 6279, 27th International Congress on High-Speed Photography and Photonics; 62791Q (2007) https://doi.org/10.1117/12.725222
Event: 27th International congress on High-Speed Photography and Photonics, 2006, Xi'an, China

Abstract

The dynamic behavior of aggregated spherical particles subjected to the impact of a steel spherical projectile was simultaneously recorded using two high-speed video cameras at different angles. The post-impact effects of a steel projectile with an impact velocity of 1-20 m/s and an impact angle of 0-65° on the dynamic behavior of aggregated particles were examined. The movement of the projectile after impact can be classified into four different types. In addition, the effects of the particle's diameter of aggregated particles and the depth of the container on the four different types of the projectile's movement were also examined. The use of small particles resulted in clear boundaries demarcating between the penetration and the horizontal movement or the rebound of the projectile.

Citation Download Citation

Masahiro Nishida, Koichi Tanaka, and Yusuke Ikeda "Observations of impact phenomena of spherical projectile on aggregated particles in random packing", Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 62791Q (11 January 2007); https://doi.org/10.1117/12.725222

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KEYWORDS

Particles

Optical spheres

Spherical lenses

Cameras

Particle systems

Video

Imaging systems

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