Microscale electromagnetic heating in heterogeneous energetic materials based on X-ray CT imaging
W. J. M. Kort-Kamp, N. L. Cordes, A. Ionita, B. B. Glover, A. L., Higginbotham Duque, W. L. Perry, B. M. Patterson, D. A. R. Dalvit, and D. S., Moore
TL;DR
This paper investigates microscale electromagnetic heating in heterogeneous explosives using X-ray CT imaging, dielectric data, and simulations to understand hot spot formation and thermal gradients.
Contribution
It combines imaging, experimental data, and simulations to analyze electromagnetic heating at the microscale in realistic explosive structures.
Findings
Identification of electromagnetic hot spots and thermal gradients.
Comparison of heating rates across different binder systems.
Insights into the influence of microstructure on heating behavior.
Abstract
Electromagnetic stimulation of energetic materials provides a noninvasive and nondestructive tool for detecting and identifying explosives. We combine structural information based on X-ray computed tomography, experimental dielectric data, and electromagnetic full-wave simulations, to study microscale electromagnetic heating of realistic three-dimensional heterogeneous explosives. We analyze the formation of electromagnetic hot spots and thermal gradients in the explosive-binder meso-structures, and compare the heating rate for various binder systems.
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Taxonomy
TopicsNuclear Physics and Applications · Energetic Materials and Combustion · High-Velocity Impact and Material Behavior