Variable operation of Hall thruster with multiple segmented electrodes

N. J. Fisch, Y. Raitses, L. A. Dorf, A. A. Litvak

Research output: Contribution to journalArticlepeer-review

46 Scopus citations


Variable plasma jet velocity with low beam divergence over a range of mass flow rates can be achieved through segmented electrode operation of the Hall plasma accelerator. With the use of just a cathode side electrode at the cathode potential, the beam divergence can be decreased substantially, at some cost in efficiency. However, the additional use of an anode side electrode retains the same reduced plume divergence, but at efficiencies comparable to the nonsegmented operation. The high efficiency persists also when the anode side electrode is biased at an intermediate potential, thus producing two-stage Hall accelerator operation.

Original languageEnglish (US)
Pages (from-to)2040-2046
Number of pages7
JournalJournal of Applied Physics
Issue number4
StatePublished - Feb 15 2001

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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