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Fast Measurement of Dielectric Conductivity for Space Application by Surface Potential Decay Method
Quan, Rong-Hui; Zhou, Kai; Fang, Mei-Hua; Chi, Wei-Ying; Zhang, Zhen-Long; Quan, RH (reprint author), Nanjing Univ Aeronaut & Astronaut, Coll Aeronaut & Astronaut, Nanjing 210016, Jiangsu, Peoples R China.
Department空间环境部
Source PublicationCHINESE PHYSICS LETTERS
2017
Volume34Issue:6Pages:67901
ISSN0256-307X
Language英语
AbstractSurface potential decay of polymers for electrical insulation can help to determine the dark conductivity for spacecraft charging analysis. Due to the existence of radiation-induced conductivity, it decays fast in the first few hours after irradiation and exponentially slowly for the remaining time. The measurement of dark conductivity with this method usually takes the slow part and needs a couple of days. Integrating the Fowler formula into the deep dielectric charging equations, we obtain a new expression for the fast decay part. The experimental data of different materials, dose rates and temperatures are fitted by the new expression. Both the dark conductivity and the radiation-induced conductivity are derived and compared with other methods. The result shows a good estimation of dark conductivity and radiation-induced conductivity in high-resistivity polymers, which enables a fast measurement of dielectric conductivity within about 600 min after irradiation.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6014
Collection空间环境部
Corresponding AuthorQuan, RH (reprint author), Nanjing Univ Aeronaut & Astronaut, Coll Aeronaut & Astronaut, Nanjing 210016, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Quan, Rong-Hui,Zhou, Kai,Fang, Mei-Hua,et al. Fast Measurement of Dielectric Conductivity for Space Application by Surface Potential Decay Method[J]. CHINESE PHYSICS LETTERS,2017,34(6):67901.
APA Quan, Rong-Hui,Zhou, Kai,Fang, Mei-Hua,Chi, Wei-Ying,Zhang, Zhen-Long,&Quan, RH .(2017).Fast Measurement of Dielectric Conductivity for Space Application by Surface Potential Decay Method.CHINESE PHYSICS LETTERS,34(6),67901.
MLA Quan, Rong-Hui,et al."Fast Measurement of Dielectric Conductivity for Space Application by Surface Potential Decay Method".CHINESE PHYSICS LETTERS 34.6(2017):67901.
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201734667901.pdf(459KB)期刊论文作者接受稿开放获取CC BY-NC-SAApplication Full Text
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