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Proceedings Paper

Penetration of particulated shaped-charge jet into water
Author(s): Eun Soo Lee; Kyoung Hwan Oh; So Young Song
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Paper Abstract

Flash radiographic and high speed photographic observations have been made on the particulated shaped charge jets penetrating into water. As a foregoing jet particle impacted water and delivered its kinetic energy to water, the water expanded radially to produce a bubble around the penetrating jet particle and a shock wave ahead of the bubble. This kind of penetration process was succeeded by the next particle and continued until all the jet particles were consumed. Since the jet particles had different velocities and lengths, the contour of the bubbles was not smooth curved but wave packeted. And several discontinuities in the contour were found on the flash radiographs. Based on the hydrodynamic theory of jet penetration, penetration processes of jet particles into water have been calculated. The calculation agreed well with the experiments for short penetration depths, but predicted more at larger depths.

Paper Details

Date Published: 30 May 1995
PDF: 7 pages
Proc. SPIE 2513, 21st International Congress on: High-Speed Photography and Photonics, (30 May 1995); doi: 10.1117/12.209556
Show Author Affiliations
Eun Soo Lee, Agency for Defense Development (South Korea)
Kyoung Hwan Oh, Agency for Defense Development (South Korea)
So Young Song, Agency for Defense Development (South Korea)

Published in SPIE Proceedings Vol. 2513:
21st International Congress on: High-Speed Photography and Photonics
Ung Kim; Joon-Sung Chang; Seung-Han Park, Editor(s)

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