Experiments and Numerical Simulation of Small-scale Slapper Driven by Electrical Explosion |
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Authors: | WANG Gui-ji JIANG Ji-hao DENG Xiang-yang TAN Fu-li ZHANG Ning ZHAO Jian-heng WU Gang HAN Mei TANG Xiao-song |
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Affiliation: | Institute of Fluid Physics;China Academy of Engineering Physics;Mianyang;621900 Sichuan;China |
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Abstract: | Based on the low inductance technology and parallel-plate transmission principle, an experimental apparatus of small-scale slapper initiating primary high explosives driven by electrical explosion is designed and established. The problem of instantaneously and continuously measuring the velocity of the small-scale slapper is successfully solved by using the technique of laser interference. Compared with the results published on the literatures at home and abroad, data of the experimental and the numerical simulation shown in this paper are more proper to reflect the physical process of electrical explosion driving slapper. One-dimensional numerical simulation of electrical explosion driving slapper is done using the hydrodynamic code. The experimental results are consistent with the computed ones by introducing a power correction factor. In the end, the introduced power correction factor is discussed. |
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Keywords: | explosion mechanics electrical explosion slapper velocity power correction factor one-dimensional numerical simulation |
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