可重复使用航天器空间辐射效应评价关键问题及解决方法

介绍了可重复使用航天器及其应用需求,分析了其在太空遭遇的空间辐射环境及效应,探讨了可重复使用航天器的空间辐射效应评价在元器件退火效应研究及工程化、地面模拟试验设施及评价技术、地面检测维护及评价、抗辐射设计规范等方面存在的问题,提出了深入开展元器件空间环境效应及退火效应机理研究,给出适合可重复使用航天器的指标和评价体系;搭建多功能的综合环境效应地面模拟试验装置,加强多因素环境协同效应机理研究,建立空间多因素环境协同效应试验方法;开展空间环境多因素协同效应仿真,加强可重复使用航天器辐射效应预示方法的深入研究等解决途径。

Key Problems and Solutions for Evaluation of Space Radiation Effects of Reusable Spacecraft

Reusable spacecraft and its application requirements were introduced. The space radiation environment encountered by the reusable spacecraft and the effects were analyzed. The problems of space radiation effect evaluation of reusable spacecraft existing in the research and engineering of annealing effect of components, ground simulation test facilities and evaluation technology, ground inspection, maintenance and evaluation, radiation resistance design specifications were discussed and the solutions thereto were proposed, such as an in-depth research was carried out on the mechanism of space environmental effect and annealing effect of components and the index and evaluation system suitable for the reusable spacecraft was given; a multi-functional ground simulation test device for integrated environmental effects was built, the research on the mechanism of multi-factor environmental synergistic effect was strengthened, and a test method for spatial multi-factor environmental synergistic effect was established; the multi-factor synergistic effects of space environment were simulated and the in-depth research on radiation effect prediction methods of reusable spacecraft was conducted.