空爆圆柱型药柱二维图像的实时分析

Real Time Analysis on the Planar Images of Exploding Columned Explosive

为了实时分析圆柱型药柱空中爆炸火团的持续时间和大小,拓展圆柱型药柱空中爆轰参数的研究领域,在质量相同、试验条件相同和拍摄参数相同的条件下,采用高速动态分析仪,以4 000 f/s的拍摄速度获取了3种类型(即RDX型、HM X型和TNT型)各3发圆柱型药柱的空中爆炸图像,并计算出其空中爆炸火团的平均持续时间分别为:122.08m s、164.50m s和238.92m s。应用ACD see和A u toCAD工具软件,用尺寸标注的方法分别测算出各个爆炸火团的水平和垂直最大半径,结果是HM X型最大,分别为10.36m和9.42m;从图像中还可以观察到各类爆炸火团具有不同的几何形状。

In order to intuitively analyze the size and duration time of the explosive fireball of exploding columned explosive in air, and to expand the research field about the detonation parameters of exploding columned explosive in air. the exploding photographs of three types （RDX,HMX and TNT,3 in 1 type） of columned explosives in air are taken at 4000f/s by a high speed camera under the conditions of same mass, same experimental environment and same photographic parameters. The duration time of explosive fireball was computed as 122.08ms for RDX, 164.50ms for HMX; 238.92ms for TNT. Using ACDsee and AutoCAD software, the maximum horizontal and vertical radii of the explosive fireball were calculated by a label size, discovering that HMX has the biggest maximum horizatal and vertical radius of 10.36m and 9.42m, respectively. The different shape of the explosive fireball was observed from images obtained.