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深水域近水面水下爆炸水柱形态及演变实验研究

DOI: 10.11858/gywlxb.2013.01.009, PP. 63-68

Keywords: 水下爆炸,水柱,起爆深度,高速摄像

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Abstract:

为研究不同起爆深度的水下爆炸水柱形态及演变特征,进行了1kg球形RDX装药在不同起爆深度下的海上爆炸实验,通过高速摄像机记录装药起爆后水柱的形成和成长过程,获得了喷射水柱形态的演变特征以及水柱高度、直径、水柱突出水面时间等参数的变化规律,并与Cole、Hole和Swisdak等人的研究结果进行对比分析。研究结果表明:对于深水域近水面水下爆炸,水柱以垂直喷射形态为主,当气泡在膨胀阶段到达水面时水柱存在微弱的径向飞散现象;水柱最大高度随起爆深度呈脉动变化,水柱直径随起爆深度线性减小;Swisdak关于水柱最大高度的计算公式不适用深水域近水面水下爆炸情况。

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