Variable operation of Hall thruster with multiple segmented electrodes

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Description

Variable plasma jet velocity with low beam divergence over a range of mass flow rates can be achieved through segmented electrode operation of 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 non-segmented operation. The high efficiency persists also when the anode side electrode is biased at an intermediate potential, thus producing two-stage Hall accelerator operation.

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253 Kilobytes pages

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Fisch, N.J.; Raitses, Y.; Dorf, L.A. & Litvak, A.A. February 7, 2000.

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Description

Variable plasma jet velocity with low beam divergence over a range of mass flow rates can be achieved through segmented electrode operation of 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 non-segmented operation. The high efficiency persists also when the anode side electrode is biased at an intermediate potential, thus producing two-stage Hall accelerator operation.

Physical Description

253 Kilobytes pages

Notes

OSTI as DE00751019

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  • Other Information: PBD: 7 Feb 2000

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  • Report No.: PPPL--3432
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/751019 | External Link
  • Office of Scientific & Technical Information Report Number: 751019
  • Archival Resource Key: ark:/67531/metadc710787

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Creation Date

  • February 7, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 15, 2016, 7:29 p.m.

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Fisch, N.J.; Raitses, Y.; Dorf, L.A. & Litvak, A.A. Variable operation of Hall thruster with multiple segmented electrodes, report, February 7, 2000; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc710787/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.