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Proceedings Paper

Explosion interaction with water in a tube
Author(s): T. Homae; Y. Sugiyama; K. Wakabayashi; T. Matsumura; Y. Nakayama
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Paper Abstract

As proposed and legislated in Japan, subsurface magazines have an explosive storage chamber, a horizontal passageway, and a vertical shaft for a vent. The authors found that a small amount of water on the floor of the storage chamber mitigated blast pressure remarkably. The mitigation mechanism has been examined more closely. To examine the effect of water, the present study assesses explosions in a transparent, square cross section, and a straight tube. A high-speed camera used to observe the tube interior. Blast pressure in and around the tube was also measured. Images obtained using the high-speed camera revealed that water inside the tube did not move after the explosion. Differences between cases of tubes without water and with water were unclear. Along with blast pressure measurements, these study results suggest that blast pressure mitigation by water occurs because of interaction between the explosion and the water near the explosion point.

Paper Details

Date Published: 20 February 2017
PDF: 6 pages
Proc. SPIE 10328, Selected Papers from the 31st International Congress on High-Speed Imaging and Photonics, 103281D (20 February 2017); doi: 10.1117/12.2271021
Show Author Affiliations
T. Homae, Toyama College (Japan)
Y. Sugiyama, National Institute of Advanced Industrial Science and Technology (Japan)
K. Wakabayashi, National Institute of Advanced Industrial Science and Technology (Japan)
T. Matsumura, National Institute of Advanced Industrial Science and Technology (Japan)
Y. Nakayama, National Institute of Advanced Industrial Science and Technology (Japan)


Published in SPIE Proceedings Vol. 10328:
Selected Papers from the 31st International Congress on High-Speed Imaging and Photonics
T. Goji Etoh; Hiroyuki Shiraga, Editor(s)

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