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Expansion of a fire-bali and subsequent shock-wave propagation due to underwater TNT explosion
- Authors
- Kwak, H.-Y.; Kang, K.-M.; Ko, I.
- Issue Date
- Jul-2011
- Publisher
- Korean Society of Mechanical Engineers
- Keywords
- Euler equation; Spherical shock wave; Underwater explosion
- Citation
- Transactions of the Korean Society of Mechanical Engineers, B, v.35, no.7, pp 677 - 683
- Pages
- 7
- Journal Title
- Transactions of the Korean Society of Mechanical Engineers, B
- Volume
- 35
- Number
- 7
- Start Page
- 677
- End Page
- 683
- ISSN
- 1226-4881
- Abstract
- Until now, several empirical models for assessing the damage due to TNT explosions have been proposed. A set of analytical solutions for the time-dependent radius of an expanding fire-ball after detonation of TNT was obtained by solving the continuity, Euler (momentum), and energy equations with apolytrope assumption at the fire-ball center. The shock waves developed from the rapid expansion ofa fire-ball under water were obtained by using the KirkwoodBethe hypothesis. The calculated period ofbubble oscillation and the maximum radius of the bubble resulting from the fire-ball due to a violentunderwater TNT explosion were in good agreement with the experimental data.© 2011 The Korean Society of Mechanical Engineers.
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