Blast Impulse at Very Near Distance
Blast Impulse at Very Near Distance
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DOI：
10.1002/prep.200700274
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发表时间：
2008-10-01
影响因子：
1.8
通讯作者：
Held, Manfred
中科院分区：
文献类型：
--
作者：
Held, Manfred
通过引爆圆柱形高爆炸装药，以0.05-0.25 m/kg（-1/3）的比例距离，在径向方向上推进钢立方体和钢球。所分析的速度可以简单地转换为动量、能量和所分析的冲量密度。一个令人惊讶的结果是，与球体相比，具有较大面积质量的立方体获得了显着更高的速度。这肯定是由不同的空气阻力系数引起的，在这些近距离处获得的脉冲密度与文献中的值相当。
Steel cubes and steel spheres were propelled in radial directions by a detonating cylindrical high explosive charge at scaled distances of 0.05-0.25 m kg(-1/3). The analysed velocities can be simply transferred to momenta, to energies and analysed impulse densities. A little surprising result is that the cubes with the larger area mass achieved remarkably higher velocities compared to the spheres. This is definitely a result caused by different air drag coefficients.The achieved impulse densities at these near distances are in the magnitude comparable with the values available in the literature.