近水面水下爆炸水柱效应研究  

A Study on Water Columns Produced by Near Water Surface Explosion

作　　者：郅斌伟[1] 张志江[2] 李健[3] 马雨祥[1] 

机构地区：[1]北京理工大学宇航科学技术学院,北京100081 [2]公安部第一研究所,北京100044 [3]广西工学院汽车工程系,广西柳州545006

出　　处：《北京理工大学学报》2009年第1期5-8,共4页Transactions of Beijing Institute of Technology

摘　　要：为研究近水面水下爆炸产生的水柱效应,对水面下2 m处2 kg TNT炸药爆炸水柱效应进行了理论计算和试验研究,并运用MSC.DYTRAN和PAM-FLOW两种软件进行了数值模拟.结果表明,水柱上升高度历时曲线呈开口向下抛物线形状,水柱上升速度近似呈指数衰减;爆炸后水柱形成过程数值模拟云图与试验结果吻合.Water column produced by near water surface explosion is an important topic of study and simulations based on its theory and experiment has great significance. An effective method to solve such problems is suggested. Program MSC. DYTRAN and program PAM-FLOW were introduced in the calculation for 2 m underwater explosion with 2 kg of TNT. They deal with the problem about shock wave impacting the interface of the liquid and air. The result fits the theory and the experiment well. Underwater explosion of TNT calculated by these programs was finally analysed. The results proved to be consistent with those calculated by similar explosions.

关 键 词：水下爆炸 数值计算 水柱 

分 类 号：O383.1[理学—流体力学]