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Generation of Atomic Oxygen Flow by a Zirconium Cathode Arc-Heater
ジルコニウム陰極を用いたアーク風洞による原子状酸素気流の生成
2006
SPACE TECHNOLOGY JAPAN THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES
ジルコニウム陰極を用いたアーク風洞による原子状酸素気流の生成
Preserved Fulltext
An arc-heater using a zirconium cathode was developed as an atomic-oxygen generator. With pre-mixed argon-oxygen injection, stable discharge was maintained for more than three hours, and the cathode erosion rate was as low as 1.7 10 -5 g/s. The plume temperature and velocity distributions were measured and chemical composition and total specific enthalpy was evaluated by laser absorption spectroscopy. As a result, in the center area of the plume, the degree of dissociation in oxygen was found
doi:10.2322/stj.5.27
fatcat:xvkpfrheure4tma4nvhipbfzwe