Research and Development Status of JAXA 35-cm Ion Thruster Technology

Details Research and Development Status of JAXA 35-cm Ion Thruster Technology Research and Development Status of JAXA 35-cm Ion Thruster Technology

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aipc..699..362k&link_type=abstract

SPACE TECHNOLOGY AND APPLICATIONS INTERNAT.FORUM-STAIF 2004: Conf.on Thermophys.in Microgravity; Commercial/Civil Next Gen.Space

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Spaceborne And Space Research Instruments, Apparatus, And Components, Ion And Plasma Propulsion

Scientific paper

The research and development status of the 150-mN-class xenon ion thruster is described. After a couple of redesigns and trial fabrications, the first breadboard thruster achieved a very low ion production cost of 104 W/A. Endurance tests suggest that the grid system will have a lifetime of about 25,000 h. A hollow cathode wear test suggests that it will be over 30,000 h before its orifice plate is completely worn out. A thrust range of 80 to 200 mN without performance degradation has been demonstrated. In the power conditioner development, efficiencies of 87 to 88% have been achieved in the main power supplies. Its compatibility with the thruster was demonstrated.

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