MATEC Web of Conferences
Volume 54, 20162016 7th International Conference on Mechanical, Industrial, and Manufacturing Technologies (MIMT 2016)
|Number of page(s)||4|
|Section||Architecture and energy engineering|
|Published online||22 April 2016|
Influence of the Shape of Explosive Charge on the Blast Wave Propagation
1 Agency for Defense Development & University of Science and Technology, PO BOX 35-1, Yuseong-gu, Daejeon 305-600, Republic of Korea
2 School of Mechanical Engineering, Chung-Ang University, Heukseok-ro 84, Dongjak-gu, Seoul 156-756, Republic of Korea
3 Agency for Defense Development, PO BOX 35-1, Yuseong-gu, Daejeon 305-600, Republic of Korea
For several decades, a blast wave due to explosive detonation has been investigated extensively. Base on a significant amount of experimental data, the blast wave propagation has been predicted at specific conditions. However, only spherical shape of explosive has been considered in most studies. Recently, it was noted that the shape of explosive influences the blast wave propagation significantly. In this study, a finite element analysis was carried out to investigate the effect of the shape of explosive on the blast wave propagation. Two different shapes of explosive were compared in blast wave propagation; spherical and cylindrical shape. It was found that the spherical and cylindrical shape blast show different characteristics in the blast wave propagation. The spherical blast showed the isotropic wave propagation as verified by experimental data. However, the cylindrical blast showed more concentrated and faster propagation in the axial direction
© Owned by the authors, published by EDP Sciences, 2016
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