Evaluation of Lightning Induced Effects in a Graphite Composite Fairing Structure (Part 1)
D. H. Trout (1,2), J. E. Stanley (3), and P. F. Wahid (1)
(1) University of Central Florida, Orlando, FL, USA, (2) Kennedy Space Center KSC, FL, USA, (3) Florida Institute of Technology, Melbourne, FL, USA
Defining the electromagnetic environment due to lightning inside a graphite composite fairing is of interest to spacecraft developers. This paper is the first in a two part series and studies the shielding effectiveness of a graphite composite model fairing using derived equivalent properties. A frequency domain method of moments (MoM) model is developed and comparisons are made with shielding test results obtained using a vehicle-like composite fairing. The comparison results show that simulations can adequately predict the test results. Both measured and model data indicate that graphite composite fairings provide significant attenuation to magnetic fields as frequency increases. Diffusion effects are, also, discussed relative to the shielding effectiveness.
27th Annual Review of Progress in Applied Computational Electromagnetics
2011
March
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