酸素を推進剤に用いたホールスラスタの研究

概要

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Thrust performance and internal efficiencies of a Hall thruster using oxygen as the propellant were investigated experimentally. The thrust efficiency reached at 9% with the specific impulse of 1,000s. The relatively poor performance is due to low propellant utilization, which is 45%, in comparison with that in the case of xenon propellant. The propellant utilization increased with mass flow rate and discharge voltage. The optimum channel length for oxygen was found longer than that for xenon, which was 12mm. The use of BN・AlN for the channel wall results in higher propellant utilization than that of BN for channel wall.
日本航空宇宙学会,東京大学大学院工学系研究科航空宇宙工学専攻,三菱電機（株）,東京大学大学院新領域創成科学研究科先端エネルギー工学専攻の論文
2003-11-05