航天器环境工程2025，Vol.42Issue(3)：263-269,7.DOI:10.12126/see.2025024
5 MeV电子直线加速器建设与空间辐射效应应用
Construction of the 5 MeV electron linear accelerator(LINAC)and its application in space radiation effects
摘要
Abstract
In spacecraft research and engineering,the study of charge/discharge effects and total dose effects is crucial.However,ground test facilities simulating space electron radiation environments have limitations,such as limited irradiation area and low electron energy.To overcome the limitations of conventional devices,the National Space Science Center(NSSC)of the Chinese Academy of Sciences(CAS)developed the Huairou 5 MeV electron Linear Accelerator(LINAC).This facility provides tunable electron beams(0.5 to 5 MeV),an 800 mm×800 mm irradiation area,and beam current densities(1 pA/cm2 to 1 nA/cm2)under both vacuum and ambient conditions,faithfully simulating the extreme electron environments in MEO and GEO.It enables comprehensive radiation effects testing at multiple scales,from individual components to small satellites.Since 2021,the LINAC has been extensively applied to qualification tests for multiple spacecraft systems,facilitating quantitative evaluation of radiation tolerance.These capabilities offer critical support for optimizing spacecraft electronics design,hardware screening,and on-orbit reliability assurance.关键词
5 MeV电子直线加速器/空间电离辐射/地面模拟试验/抗辐射能力评估/充放电效应/总剂量效应Key words
5 MeV electron linear accelerator/space ionizing radiation/ground-based simulation test/radiation tolerance assessment/charge/discharge effects/total ionizing dose(TID)effect引用本文复制引用
陶孟泽,王常强,李宏伟,张龙龙,徐振宇,赵旭,蔡明辉,韩建伟,余国龙,杨京鹤..5 MeV电子直线加速器建设与空间辐射效应应用[J].航天器环境工程,2025,42(3):263-269,7.基金项目
中国科学院重点部署项目"电子束充放电卫星技术"(编号:NSSC23MY1008) （编号:NSSC23MY1008）
