Experimental Investigation of the Two-Stage Plasma Thruster ATTILA

Details Experimental Investigation of the Two-Stage Plasma Thruster ATTILA Experimental Investigation of the Two-Stage Plasma Thruster ATTILA

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.555e..35b&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

Power characteristics of the inductive stage of the DC-HF hybrid thruster ATTILA are measured and interpreted using two different induction coils (2.5 and 4.5 turns) under variation of ambient pressure. Test gases used are Nitrogen and Oxygen. At the present operation frequencies, generator power is coupled into the plasma with slightly higher efficiency for Nitrogen than for Oxygen. Efficiencies deter- mined for the inductive plasma generator are 44% and 43% in total. A rough flow characterization shows that ATTILA is a generator concept which, at the present stage of development, may reach 11.6 N of thrust. Key words: Hybrid plasma generator, DC-HF, power characteristic, coupling efficiency

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