NDLI: Experimental investigation of Hall thruster magnetic field topography

Content Provider	IEEE Xplore Digital Library
Author	Peterson, P.Y. Haas, J.M. Gallimore, A.D.
Copyright Year	2000
Description	Author affiliation: Dept. of Aerosp. Eng., Michigan Univ., Ann Arbor, MI, USA (Peterson, P.Y.)
Abstract	Summary form only given. Magnetic field measurements are made in the discharge channel of the Plasmadynamics and Electric Propulsion Laboratory (PEPL) 5 kW P5 Hall thruster. The P5 operating conditions were maintained throughout the experiment at a discharge voltage and current of 300 V and 5.4 A respectively. At this 1.6 kW operating condition the magnetic coil currents were operated at 2 A for the outer coils and 3 A for the inner coil. Two miniature Hall probes are employed to measure the axial and radial magnetic fields simultaneously inside the discharge channel while the P5 thruster is operating with and without a plasma discharge. The magnetic field measurements are accomplished with minimum disturbance to the plasma and the operation of the thruster with the PEPL High-speed Axial Reciprocating Probe (HARP) system developed by James Haas. Data are presented at axial locations ranging from the anode to ten centimeters downstream of the exit plane and at radial positions covering the width of the discharge chamber. The magnetic field profiles are compared to determine the effect that the plasma discharge has on the static magnetic field topography. Magnetic field profiles for the case with plasma discharge are compared with previously measured plasma potential, temperature and number density data and conclusions are drawn regarding the nature of the ionization and acceleration regions with respect to the magnetic field topography in the P5 Hall thruster.
File Size	91839
File Format	PDF
ISBN	0780359828
ISSN	07309244
DOI	10.1109/PLASMA.2000.854980
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-06-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic fields Magnetic field measurement Plasma measurements Fault location Plasma temperature Coils Plasma accelerators Plasma density Surfaces Temperature measurement
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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