PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Posters
A Study on the Shielding Ability of Current Aerospace Materials against High Energy Cosmic Rays
D. Liu,* J.K. Woo
*corresponding author
Full text: pdf
Published on: August 02, 2019
Abstract
Abstract
High energy cosmic rays are one of the biggest concerns for a detector used in space and manned spaceflight, along with the swift development of the high energy experiments in space and spaceflight enterprise, the research of shielding materials against high energy cosmic rays has become increasingly important. In this study, firstly we defined a simple detector in the form of human body, some shielding materials and the geometry of shielding structure, then we comprehensively considers the radiation shielding properties of various materials together with the consideration of mass problems of shielding materials. The radiological protection capability of materials against certain higher energy cosmic ray was appraised from the perspectives of radiation dose. The results concluded under the same level of mass of shielding materials, it is advantageous to employ the composites and non-metal materials as shielding materials than using metal or alloy. For practical application, the cabin wall of spaceship is usually consisted with multi-layers. The calculation result shows that a multi-layers cabin wall that has low density layer-high density layer-low density layers structure has a more ideal shielding effect.
DOI: https://doi.org/10.22323/1.340.0852
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