Penetration of particulated shaped-charge jet into water

Eun Soo Lee; Kyoung Hwan Oh; So Young Song

doi:10.1117/12.209556

30 May 1995 Penetration of particulated shaped-charge jet into water

Eun Soo Lee, Kyoung Hwan Oh, So Young Song

Proceedings Volume 2513, 21st International Congress on: High-Speed Photography and Photonics; (1995) https://doi.org/10.1117/12.209556
Event: High-Speed Photography and Photonics: 21st International Congress, 1994, Taejon, Korea, Republic of

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.

Citation Download Citation

Eun Soo Lee, Kyoung Hwan Oh, and So Young Song "Penetration of particulated shaped-charge jet into water", Proc. SPIE 2513, 21st International Congress on: High-Speed Photography and Photonics, (30 May 1995); https://doi.org/10.1117/12.209556

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