Affiliations: [a] School of Equipment Engineering, Shenyang Ligong University, Shenyang, Liaoning, China | [b] State Key Laboratory of Explosive Science and Technique, Beijing Institute of Technology, Beijing, China
Correspondence:
[*]
Corresponding author: Enling Tang, School of Equipment Engineering, Shenyang Ligong University, Shenyang, Liaoning, China. Tel.: +86 13898809790; E-mail:tangenling@bit.edu.cn
Note: [1] Foundation item: National Natural Science Foundation of China (Grant
Nos. 10972145, 11272218, 11472178); State Key Program of National Natural
Science of China (Grant No. 11032003); Supported by Program for Liaoning Excellent
Talents in University (No. LR2013008); Open foundation of Key Laboratory
of Liaoning weapon science and Technology.
Abstract: The purpose of the paper is to investigate the discharge
of the plasma generated by a projectile hypervelocity impact on solar array
with three kinds of different substrates at the 60° incidence angle
and the external applied voltage of 100 voltage. Four sets of experiments were
performed to impact solar arrays with CFRP Aluminum
honeycomb sandwich substrate, Aluminum honeycomb sandwich substrate and the
aluminum substrate by using two-stage light gas gun loading system and
discharge measurement system established. Experimental results showed that
discharge voltage and discharge current of the solar array with CFRP
Aluminum honeycomb sandwich substrate are the most strongest among the solar
array with CFRP Aluminum honeycomb sandwich substrate, Aluminum honeycomb
sandwich substrate and the aluminum substrate. This work will be helpful to
improve the material and substrate' structure of the solar arrays in
spacecrafts.
Keywords: Hypervelocity impact, plasma, solar array with different substrate, discharge current, discharge voltage
