中国舰船研究2025，Vol.20Issue(2)：308-316,9.DOI:10.19693/j.issn.1673-3185.03573
近场爆炸下舰船破损舱室内部载荷特性分析
Analysis of internal load characteristics of damage cabin under near-field underwater explosion
摘要
Abstract
[Objective]This research aims to investigate the internal load characteristics of damaged cabins under near-field underwater explosion.[Method]Loadings including high-speed fragment velocity of dam-aged outer plates,quasi-static pressure loads caused by detonation products,and water jetting loads resulting from bubble instability were explored by combining numerical simulation and theoretical methods,which basesd on large-scale cabin segment model experiment subject to near-field underwater explosions.[Results]The results indicate that the secondary high-speed fragment loads generated from outer plates in near-field underwater explosions still resist high speed,which could cause huge damage to internal cabin struc-tures and equipment.A thoery method based on the modified Taylor flat plate theory was proposed to predict the velocity of high-speed fragments.A quasi-static pressure loading generated by exiting detonation products could result in overall large deformation and tearing at cabin boundary.For the first time,it was discovered that the damaged cabin could suffer secondary damage from high-speed water jets,and the formation of high-speed water jets mainly attributed to three factors:strong shock wave propagation,detonation product expansion,and residual bubble contraction instability.[Conclusion]This study provides a significant basis for the assess-ment of internal cabin loads under near-field underwater explosions.关键词
舰船/抗爆性/抗冲击性/水下爆炸/破损空舱/高速破片/准静态压力/高速水流Key words
naval vessels/blast resistance/impact resistance/underwater explosions/damaged cabin/high-speed fragment/quasi-static pressure/jetting分类
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伍星星,刘建湖,汪俊,王海坤,张伦平..近场爆炸下舰船破损舱室内部载荷特性分析[J].中国舰船研究,2025,20(2):308-316,9.基金项目
国防基础科研计划资助项目(B0820132045) （B0820132045）
国家重点安全基础研究资助项目(613279) （613279）
