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Plasma lens and plume divergence in the Hall thruster

Appl. Phys. Lett. 89, 111501 (2006); doi:10.1063/1.2349827

Published 12 September 2006

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A. Fruchtman and A. Cohen-Zur
Sciences Department, Holon Institute of Technology, 52 Golomb St., Holon 58102, Israel
The effect of magnetic field curvature on the plume divergence in the Hall thruster is analyzed. The two-dimensional plasma flow and electric field are determined self-consistently within the paraxial approximation in this plasma lens, a nearly axial electric field perpendicular to the curved magnetic field lines. The ion radial velocity along the thruster is described analytically. The authors suggest positioning the ionization layer near the zero of the magnetic field in a reversing-direction field configuration for a minimal beam divergence. They also show that an additional emitting electrode can reduce plume divergence. ©2006 American Institute of Physics
History: Received 12 June 2006; accepted 19 July 2006; published 12 September 2006
Permalink: http://link.aip.org/link/?APPLAB/89/111501/1
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KEYWORDS and PACS

Keywords
PACS
  • 52.75.Di
    Ion and plasma propulsion
  • 52.30.Cv
    Plasma magnetohydrodynamics including electron magnetohydrodynamics
  • 52.25.Fi
    Plasma transport properties
  • 52.25.Jm
    Ionization of plasmas
  • YEAR: 2006

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (12)
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