Carbon fiber reinforced polymer shielding effectiveness against the near lightning strike magnetic component

Abstract

This article describes the simulation results of the capability of typical carbon fiber reinforced composite to shield the magnetic component of lightning electromagnetic pulse, with a particular focus on near lightning strikes. The simulation model includes the proper polymer selection of the lightning strike model, the dependence of electrical properties on the change of frequency, and the effective medium approximation for the electromagnetic properties of composite materials. The simulations show that the carbon fiber reinforced polymer is ineffective in the low-frequency range. What’s more, for frequencies in the range of a few hundred kilohertz to single megahertz, the amplitude of the disturbance signal increases.