PROJECT TITLE :
Skin Effect Analysis for Pulse Current in the PEA Based on Frequency Domain Method
To review a number of the mechanisms in passive electromagnetic armor (PEA), the pulse current skin impact and the action of the present along the length of a shaped charge jet because it passes through PEA are researched. Considering the various characteristic of the heart beat current from the alternating current, a frequency domain analysis methodology of skin effect is introduced. With the background of PEA, time and frequency characteristics of the heart beat current are analyzed primarily based on the equivalent circuit model, and calculation methodology of the pulse current density distribution in formed charge jet is obtained. Consequently, the skin depth throughout the discharge is researched. The validity of the tactic is approved by contrasting it with the Finite Component Technique analysis results. Finally, a distribution of the precise action within the formed charge jet elements is obtained based mostly on the action time model. The results indicate that pulse current features a broadband, and its skin result phenomenon is totally different from that of an alternating current. It shows that current density increases with the decrease in depth not constantly, but declines on the surface of the conductor at the trailing fringe of the pulse current. And the precise action is targeted on the tail of the jet whose velocity is less than 4 km/s. While the action within the radial direction becomes larger, the component gets closer to the surface.
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