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Computational Study on the Driver Section Design of an Explosively Driven Conical Shock Tube

机译:爆炸驱动锥形冲击管的驱动器段设计的计算研究

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The work presented in this paper investigates the use of a shock tube designed to propagate a shock wave through the air (commonly denoted as "air blast") resulting from the detonation of an explosive charge. This explosively driven shock tube has a conical geometry, which allows for the use of relatively small charges to approximate the Friedlander waveform due to the free-field detonation of much more massive explosive charges. Both previous experimental data and new computational work are presented to illustrate the influence of various design parameters of the shock tube's explosive charge and driver section--the portion of the tube that confines the explosive charge and transitions to the main tube section confining the flow--on the resulting air blast.
机译:本文提出的工作调查了使用爆炸充电引起的空气(通常表示为“空气爆炸”)传播冲击波的冲击管的使用。这种爆炸性的冲击管具有锥形几何形状,其允许使用相对较小的电荷来近似于由于自由场爆炸而近似于更大的爆炸性电荷。提出了先前的实验数据和新的计算工作,以说明了冲击管爆炸性充电和驱动器部分的各种设计参数的影响 - 管的部分限制了爆炸性电荷和过渡到限制流量的主管部分 - - 所产生的空气爆炸。

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