Physics
Scientific paper
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
Auweter-Kurtz Monika
Boehrk H.
Herdrich G.
Laure S.
Weber Jacqueline
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