采用自行设计的小功率电弧推力器和小推力测量装置,以氨气为推进剂,系统测量了推力器在不同推进剂流量和弧电流条件下的推力和弧电压数据,导出了对应条件下的比冲和推力效率,并对推力器性能进行了分析.实验结果表明:当推进剂流量为150～450 mL/min时,推力器可在输入功率小于100 W的条件下稳定运行,比冲最大接近250 s.
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