Efficient and Accurate Optimal Design Method for Radiation Shielding

IF 1.9 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Nuclear Science Pub Date : 2024-08-26 DOI:10.1109/TNS.2024.3449891

Yu Han;Tao Ying;He Zhu;Jianqun Yang;Xingji Li

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Abstract

To ensure the longevity and reliability of spacecraft during on-orbit missions, it is essential to protect components that do not satisfy the requirement of the radiation resistance with radiation shielding. With the advancement of commercial spaceflight, modern aerospace industries demand low cost and high efficiency for spacecraft designs. Traditional methods of radiation shielding enhancement are no longer adequate to meet these requirements. The optimization method for radiation shielding enhancement designed in this article organically combines the advantages of the ray-tracing (RT) method and the reverse Monte-Carlo (RMC) method, thereby avoiding the shortcomings of using either method alone. Simulation results demonstrate that this method not only ensures the accuracy of total ionizing dose (TID) simulation results for sensitive components but also enhances the efficiency of radiation shielding enhancement design, saving time in the design process. The accurate patching results designed by this method optimize the patching quality compared with traditional shielding design method, significantly reducing radiation shielding mass and conserving valuable payload resources.

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高效准确的辐射屏蔽优化设计方法

为了确保航天器在轨飞行任务中的寿命和可靠性，必须用辐射屏蔽来保护那些不符合抗辐射要求的部件。随着商业航天的发展，现代航天工业对航天器设计提出了低成本、高效率的要求。传统的辐射屏蔽增强方法已无法满足这些要求。本文设计的辐射屏蔽增强优化方法有机地结合了射线追踪（RT）方法和反向蒙特卡洛（RMC）方法的优点，从而避免了单独使用其中一种方法的缺点。仿真结果表明，该方法不仅能确保敏感元件总电离剂量（TID）仿真结果的准确性，还能提高辐射屏蔽增强设计的效率，节省设计时间。与传统的屏蔽设计方法相比，该方法设计的精确补片结果优化了补片质量，大大减少了辐射屏蔽质量，节约了宝贵的有效载荷资源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Nuclear Science 工程技术-工程：电子与电气

CiteScore

3.70

自引率

27.80%

发文量

314

审稿时长

6.2 months

期刊介绍： The IEEE Transactions on Nuclear Science is a publication of the IEEE Nuclear and Plasma Sciences Society. It is viewed as the primary source of technical information in many of the areas it covers. As judged by JCR impact factor, TNS consistently ranks in the top five journals in the category of Nuclear Science & Technology. It has one of the higher immediacy indices, indicating that the information it publishes is viewed as timely, and has a relatively long citation half-life, indicating that the published information also is viewed as valuable for a number of years. The IEEE Transactions on Nuclear Science is published bimonthly. Its scope includes all aspects of the theory and application of nuclear science and engineering. It focuses on instrumentation for the detection and measurement of ionizing radiation; particle accelerators and their controls; nuclear medicine and its application; effects of radiation on materials, components, and systems; reactor instrumentation and controls; and measurement of radiation in space.

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