NSSC OpenIR
The analogue experiment of small space debris impact inducing solar array discharge
Alternative TitleWOS:000541736600002;20202108707606
Li, Hongwei1; Han, Jianwei1; Cai, Minghui1; Tao, Mengze
Source PublicationINTERNATIONAL JOURNAL OF IMPACT ENGINEERING
2020
Volume143Pages:103582
DOI10.1016/j.ijimpeng.2020.103582
ISSN0734-743X
Language英语
KeywordSmall space debris Discharge Solar array PLASMA
AbstractHigh density and conductivity plasma will be induced when space debris impacts with spacecraft. The plasma can lead to a temporary discharge tunnel and triggering discharge. This has been reported as the mechanism of space debris impact inducing discharge and might be a big threat to spacecraft. The solar array is of vital importance to spacecraft and is regarded as vulnerable to space debris impact inducing discharge. Research of space debris larger than 1 mm impact solar array discharge has already carried out. Space debris smaller than 1 mm are predominant and will impact with spacecraft more frequently compared to space debris larger than 1 mm. If the impact of such debris with solar array can induce discharge, the threat will be more serious. However, the study of space debris smaller than 1 mm impacting solar array inducing discharge has not been reported. In this paper, the analogue experiment of smaller than 1 mm space debris impact solar array inducing discharge is carried out. Our results show that the space debris with 200 mu m in diameter can trigger solar array discharge. If the voltage is high and the discharge current is large enough, secondary discharge can be triggered too. The discharge can make noticeable mechanical damage on the surface of solar cells.
Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7725
Collection中国科学院国家空间科学中心
Affiliation1.CAS Beijing, Natl Space Sci Ctr, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li, Hongwei,Han, Jianwei,Cai, Minghui,et al. The analogue experiment of small space debris impact inducing solar array discharge[J]. INTERNATIONAL JOURNAL OF IMPACT ENGINEERING,2020,143:103582.
APA Li, Hongwei,Han, Jianwei,Cai, Minghui,&Tao, Mengze.(2020).The analogue experiment of small space debris impact inducing solar array discharge.INTERNATIONAL JOURNAL OF IMPACT ENGINEERING,143,103582.
MLA Li, Hongwei,et al."The analogue experiment of small space debris impact inducing solar array discharge".INTERNATIONAL JOURNAL OF IMPACT ENGINEERING 143(2020):103582.
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