The Use of Colloid Thrusters for Nano Satellites

Details The Use of Colloid Thrusters for Nano Satellites The Use of Colloid Thrusters for Nano Satellites

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.555e.133k&link_type=abstract

Proceedings of the 4th International Spacecraft Propulsion Conference (ESA SP-555). 2-9 June, 2004, Chia Laguna (Cagliari), Sard

Physics

Scientific paper

A micro-fabricated colloid thruster propulsion system is described for use on board a micro satellite. The thruster concept consists of multiple thrust heads, each of which can be subdivided to support several operating strategies requiring different thrust levels, and achieving significant satellite agility. The design provides thrust at the micro Newton level, with a 10:1 factor of variability. High specific impulse is achieved at an overall specific power of 19.4 W/mN. The overall system mass is 238g with an orbit average power demand of less that 0.1W. There is a wide a range of missions for which the thruster could be applied, analysis is presented here concerning optimal control for drag makeup.

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