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首页> 外文期刊>Journal of Spacecraft and Rockets >Spacecraft Radiation Shielding Using Ultralightweight Superconducting Magnets
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Spacecraft Radiation Shielding Using Ultralightweight Superconducting Magnets

机译：使用超轻型超导磁体的航天器辐射屏蔽

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This work examines the performance and feasibility of a novel inflatable lightweight spacecraft radiation shielding system employing superconducting magnet technology. In the proposed approach a set of lightweight toroid-shaped coils surround a spacecraft creating strong shielding fields, which are wholly contained within the volume of the coils, leaving the spaceship free of magnetic fields. A numerical model and Monte Carlo optimization tool were developed to simulate the interaction of ionizing particles with various confined magnetic field configurations and geometries. Using an isotropic distribution of protons with kinetic energies ranging from 0.1 to 2 GeV, the model was used to explore a wide parametric space of potential spacecraft shielding options and to assess which parameters are most responsible for determining shielding effectiveness. For a candidate spacecraft, it was found that more than 90% of incident particles with a 1-GeV kinetic energy could be deflected away from the spacecraft using a 5-T toroid-shaped shield.
机译：这项工作检验了采用超导磁体技术的新型充气轻型航天器辐射屏蔽系统的性能和可行性。在提出的方法中，一组轻巧的环形线圈围绕着航天器，形成了强大的屏蔽场，这些屏蔽场完全包含在线圈的体积之内，使飞船没有磁场。开发了数值模型和蒙特卡洛优化工具，以模拟电离粒子与各种受限磁场配置和几何形状之间的相互作用。利用动能在0.1至2 GeV之间的质子的各向同性分布，该模型用于探索潜在航天器屏蔽选择的广阔参数空间，并评估哪些参数最能确定屏蔽效果。对于候选航天器，发现使用5-T环形屏蔽罩可以将90％以上具有1-GeV动能的入射粒子偏转离开航天器。

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