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Blast Wave Mitigation from the Straight Tube by Using Water Part II - Numerical Simulation

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Abstract:

This paper investigates explosions in a straight square tube in order to understand the mitigation effect of water on blast waves that emerge outside. Numerical simulations are used to assess the effect of water that is put inside the tube. The water reduces the peak overpressure outside, which agrees well with the experimental data. The increases in the kinetic and internal energies of the water are estimated, and the internal energy transfer at the air/water interface is shown to be an important factor in mitigating the blast wave in the present numerical method.

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Periodical:

Materials Science Forum (Volume 910)

Pages:

78-83

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.910.78

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Online since:

January 2018

Authors:

Yuta Sugiyama*, Tomotaka Homae, Kunihiko Wakabayashi, Tomoharu Matsumura, Yoshio Nakayama

Keywords:

Blast Wave, Computational Fluid Dynamics (CFD), Energy Exchange, Mitigation, Water

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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