| Scaling law of deep-sea trinitrotoluene (TNT) explosion | |
Yue JZ(岳军政); Wu XQ(吴先前) ; Huang CG(黄晨光)
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| Corresponding Author | Wu, Xianqian(wuxianqian@imech.ac.cn) |
| Source Publication | ACTA MECHANICA SINICA
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| 2024-04-01 | |
| Volume | 40Issue:4Pages:10 |
| ISSN | 0567-7718 |
| Abstract | Understanding the dynamic characteristics of deep-sea explosions is essential to improve the survivability and combat capability of deep-sea equipment. In this paper, by considering the practical underwater conditions, we investigated the mechanical effects of the deep-sea 1-kg-trinitrotoluene (TNT) explosion with charge depths ranging from 1 to 10 km through numerical simulation and dimensional analysis. The shock wave overpressure, the positive overpressure pulse, the bubble pulse, and the energy distribution for various depth explosions were analyzed systematically. The simulation results showed that the charge depth was negligible for the peak overpressure of the shock wave. However, the positive overpressure pulse, the shock wave energy, the maximum bubble radius, the bubble energy, and the bubble period decrease significantly with increasing the charge depth. Then, the dimensional analysis for deep-sea TNT explosion was performed to reveal the key dimensionless parameters, from which the scaling laws of the shock wave overpressure and the overpressure pulse were obtained. By fitting the simulation results, the dimensionless equations were proposed, providing an effective method for predicting the peak overpressure and the positive overpressure pulse of shock wave for underwater TNT explosion over a wide range of water depths. |
| Keyword | Deep-sea explosion Peak overpressure Positive overpressure pulse Numerical simulation Scaling law |
| DOI | 10.1007/s10409-023-23280-x |
| Indexed By | SCI ; EI ; CSCD |
| Language | 英语 |
| WOS ID | WOS:001113709600001 |
| WOS Keyword | UNDERWATER EXPLOSION ; DYNAMIC-RESPONSE ; BUBBLE ; PRESSURE ; PLATES |
| WOS Research Area | Engineering ; Mechanics |
| WOS Subject | Engineering, Mechanical ; Mechanics |
| Funding Project | National Natural Science Foundation of China[12002349] ; National Natural Science Foundation of China[12272391] ; National Natural Science Foundation of China[12232020] ; Opening project of State Key Laboratory of Explosion Science and Technology[KFJJ23-22M] |
| Funding Organization | National Natural Science Foundation of China ; Opening project of State Key Laboratory of Explosion Science and Technology |
| Classification | 二类 |
| Ranking | 1 |
| Contributor | Wu, Xianqian |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/93588 |
| Collection | 流固耦合系统力学重点实验室 |
| Recommended Citation GB/T 7714 | Yue JZ,Wu XQ,Huang CG. Scaling law of deep-sea trinitrotoluene (TNT) explosion[J]. ACTA MECHANICA SINICA,2024,40,4,:10. |
| APA | 岳军政,吴先前,&黄晨光.(2024).Scaling law of deep-sea trinitrotoluene (TNT) explosion.ACTA MECHANICA SINICA,40(4),10. |
| MLA | 岳军政,et al."Scaling law of deep-sea trinitrotoluene (TNT) explosion".ACTA MECHANICA SINICA 40.4(2024):10. |
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