ABSTRACT Cube Stealth Satellite is proposed for potential applications in defense system. Particularly face of satellite exposed to the Earth are made of nanostructured materials able to absorb radar surveillance electromagnetic wave, conferring stealth capability to the cube satellite. Microwave absorbing and shielding materials tiles are proposed using composite materials consisting in epoxy-resin and carbon nanotubes filler. In the paper, electric permittivity, of composite nanostructured materials are shown. Such data are used by the modeling algorithm to design the microwave absorbing and shielding face of cube satellite. The electromagnetic modeling takes into account for several incidence angles (0-80°), extended frequency band (2-18 GHz), and for the minimization of electromagnetic reflection coefficient. The evolutionary algorithm used for microwave layered microwave absorber modeling is recent Winning Particle Optimization. Mathematical model of absorbing structure is finally experimentally validated by comparing electromagnetic simulation and measurement of the manufactured radar absorber tile. Nanostructured composite materials manufacturing process and electromagnetic reflection measurements methods are described. At the and the finite element method analysis of the electromagnetic scattering by cube stealth satellite is performed.
RADAR ABSORBING MATERIALS FOR CUBE STEALTH SATELLITE / Micheli, Davide; Pastore, Roberto; Vricella, Antonio; Marchetti, Mario. - ELETTRONICO. - (2013). (Intervento presentato al convegno Italian Association of Aeronautics and Astronautics 2013 tenutosi a Napoli nel 9-12 September 2013).
RADAR ABSORBING MATERIALS FOR CUBE STEALTH SATELLITE
MICHELI, DAVIDE;PASTORE, Roberto;VRICELLA, ANTONIO;MARCHETTI, Mario
2013
Abstract
ABSTRACT Cube Stealth Satellite is proposed for potential applications in defense system. Particularly face of satellite exposed to the Earth are made of nanostructured materials able to absorb radar surveillance electromagnetic wave, conferring stealth capability to the cube satellite. Microwave absorbing and shielding materials tiles are proposed using composite materials consisting in epoxy-resin and carbon nanotubes filler. In the paper, electric permittivity, of composite nanostructured materials are shown. Such data are used by the modeling algorithm to design the microwave absorbing and shielding face of cube satellite. The electromagnetic modeling takes into account for several incidence angles (0-80°), extended frequency band (2-18 GHz), and for the minimization of electromagnetic reflection coefficient. The evolutionary algorithm used for microwave layered microwave absorber modeling is recent Winning Particle Optimization. Mathematical model of absorbing structure is finally experimentally validated by comparing electromagnetic simulation and measurement of the manufactured radar absorber tile. Nanostructured composite materials manufacturing process and electromagnetic reflection measurements methods are described. At the and the finite element method analysis of the electromagnetic scattering by cube stealth satellite is performed.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
