Interns: Chanapum Subhakorn, Phoowis Gijsriurai, Poonyisa Panjatanasak, Siridon Changkasiri
Affiliation: Aerospace Engineering Dept., Kasetsart University (Thailand)
Research Topic: Three Types of Micro Vacuum Cathode Arc Thruster Demonstration
Internsihip Period: 2018/Nov./19~2019/Jan./31
This report presents work that had been done during the internship period between 19 November 2018 and 31 January 2019 at ZAP Lab, National Cheng Kung University (NCKU), Tainan, Taiwan. The report composes of 7 main topics. Introduction summarizes VAT’s importance and its basic information. Then, in background topic will explain the deeper information of VAT and circuit used in the thruster system. The VAT and circuit design concept includes 3 VAT and 2 circuit which were designed as only a concept. On the other hand, the other 3 VAT that were designed and manufactured were shown in VAT part. After that, experimental setup and results of all 3 VAT were described. The small, ring and plate VAT can discharge continuously 20 times, 200 times and 1,200 times, respectively and the maximum total discharging times among these three is around 3,000 times for the plate VAT. In the end of the report, discussion was given and divided into 5 subjects that stopped VAT discharging.
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