The need for periodic cleaning and flushing of cooling passages is eliminated. 避免了对冷却通道进行定期的清洗和冲刷。
An annular cavity placed around the anode of arcjet was designed to form a regenerative cooling channel on the base of an arc jet. 该文在原有电弧加热发动机基础上进行改进，设计了覆盖发动机阳极的环形空腔，形成再生冷却通道。
