间接馈电柱-锥级联爆磁压缩发生器数值模拟
Numerical research of the explosive magnetic flux compression generator of cylinder-cone configuration
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摘要: 为了研究间接馈电、两级级联柱-锥构型的爆磁压缩发生器的物理特性，发展了描述爆磁压缩物理过程的2维爆轰磁流体力学程序——MFCG（Ⅴ），并用其分析、计算了一系列模型。通过将计算结果与柱-柱构型的结果进行比较，表明了柱-锥构型更有利于功率放大：在同样的输出电流条件下，不仅爆磁压缩的时间缩短，而且输出功率也相应地增加。MFCG（Ⅴ）程序的建立以及相应的数值模拟结果有助于加深对柱-锥构型的爆磁压缩发生器物理过程的认识，并为实验设计提供参考。Abstract: In order to study the physical nature of Explosive Magnetic Flux Compression Generator (EMFCG) of cylinder-taper configuration, a code MFCG(Ⅴ) was developed. A series of models have been calculated and analyzed by using this code. The computational results of the cylinder-taper configuration were compared with that of cylinder-cylinder. Under the same conditions of output current, the operation time was shortened, and the output power was correspondingly increased. Practicable computer code of the test design was given for numerical simulation of the cylinder with taper.
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