Numerical Study of Active Shielding of a Spacecraft against Cosmic Rays

Physics – Plasma Physics

Scientific paper

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Scientific paper

High-energy Cosmic Rays composed of predominantly 1-2GeV protons and alpha-particles pose a major hazard for subjects, biological materials and sensitive equipment in the Earth's orbit and on the inter-planetary missions. This factor has to be addressed continuously. We study numerically magnetic, electrostatic and hybrid shielding schemes by using computational framework, which embraces relativistic transport of particles, self-consistent electromagnetic fields and ambient plasma response. Numerical approach uses unstructured adaptive grid capturing important details of shield geometry in 3D. Results of the preliminary simulations of a spacecraft shielding against high-energy particles will be reported.

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