切缝宽度对药包爆炸效应影响的动光弹试验  

Dynamic photoelasticity experimental study on influence of slit's width on slit charge's blast effect

作　　者：肖正学[1] 陆忞[2] 陆渝生[3] 张志呈[1] 邱艳宇[3] 

机构地区：[1]西南科技大学,四川绵阳621010 [2]东南大学,江苏南京210096 [3]解放军理工大学工程兵工程学院,江苏南京210007

出　　处：《解放军理工大学学报（自然科学版）》2006年第4期371-375,共5页Journal of PLA University of Science and Technology(Natural Science Edition)

基　　金：四川绵阳市科技局资助项目(1999-46)

摘　　要：为了解切缝宽度对切缝药包爆炸聚能效应的影响,用动态光弹性法对不同切缝宽度的切缝药包的爆炸过程进行了试验,获得了切缝药包爆炸过程中的序列等差条纹图。通过对条纹图和动态应力集中系数的分析比较,得到了爆炸初期沿切缝方向的最大剪应力的回归曲线和公式,明确了切缝宽度对切缝药包爆炸效应影响的规律,即切缝宽度越小,聚能效应越明显,破坏威力也越大。The experimental study on the cumulative effectiveness of different slit charge based on dynamic photoelasticity method was made, and the isochromatic fringes graphs in the process of blasting of the slit charge were obtained. By analyzing these graphs and the concentration coefficient of dynamic stress, the width effect on cumulative effectiveness was investigated, and the regression curve and formula of maximum shear stress were obtained. Consequently, the rules of the influence of slit＇s width on slit chargers blast effect were revealed.

关 键 词：切缝药包 切缝宽度 爆炸效应 动态光弹性法 

分 类 号：E932.4[兵器科学与技术—火炮、自动武器与弹药工程]