Internal plasma potential profiles in a laboratory-model Hall thruster
dc.contributor.author | Haas, James M. | en_US |
dc.contributor.author | Gallimore, Alec D. | en_US |
dc.date.accessioned | 2010-05-06T22:43:24Z | |
dc.date.available | 2010-05-06T22:43:24Z | |
dc.date.issued | 2001-02 | en_US |
dc.identifier.citation | Haas, James M.; Gallimore, Alec D. (2001). "Internal plasma potential profiles in a laboratory-model Hall thruster." Physics of Plasmas 8(2): 652-660. <http://hdl.handle.net/2027.42/70794> | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/70794 | |
dc.description.abstract | The Plasmadynamics and Electric Propulsion Laboratory High-speed Axial Reciprocating Probe system is used in conjunction with a floating emissive probe to measure plasma potential in the discharge chamber of the P5 Hall thruster. Plasma potential measurements are made at a constant voltage, 300 V, at two different discharge current conditions: 5.4 and 10 A. The plasma potential contours for the 5.4 A case indicate that the acceleration region begins several millimeters upstream of the exit plane, extends several centimeters downstream, and is uniform across the width of the discharge chamber. The 10 A case is similar to the 5.4 A case with the exception that the acceleration region is shifted downstream on centerline. Axial electric field profiles, computed from the measured potential, show a double peak structure in the 5.4 A case, indicating a zone of ion deceleration. Perturbations to the discharge current are shown to correspond spatially with the location of the peak electric field indicating that thruster perturbations may result from a disturbance to the Hall current, as opposed to ablation of probe material. This conclusion is supported by the lack of any observable material ablation. © 2001 American Institute of Physics. | en_US |
dc.format.extent | 3102 bytes | |
dc.format.extent | 328413 bytes | |
dc.format.mimetype | text/plain | |
dc.format.mimetype | application/pdf | |
dc.publisher | The American Institute of Physics | en_US |
dc.rights | © The American Institute of Physics | en_US |
dc.title | Internal plasma potential profiles in a laboratory-model Hall thruster | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Physics | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Plasmadynamics and Electric Propulsion Laboratory, Department of Aerospace Engineering, The University of Michigan, College of Engineering, Ann Arbor, Michigan 48109 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/70794/2/PHPAEN-8-2-652-1.pdf | |
dc.identifier.doi | 10.1063/1.1338535 | en_US |
dc.identifier.source | Physics of Plasmas | en_US |
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dc.owningcollname | Physics, Department of |
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