Internal plasma potential measurements of a Hall thruster using plasma lens focusing
dc.contributor.author | Linnell, Jesse A. | en_US |
dc.contributor.author | Gallimore, Alec D. | en_US |
dc.date.accessioned | 2011-11-15T16:07:59Z | |
dc.date.available | 2011-11-15T16:07:59Z | |
dc.date.issued | 2006-10 | en_US |
dc.identifier.citation | Linnell, Jesse A.; Gallimore, Alec D. (2006). "Internal plasma potential measurements of a Hall thruster using plasma lens focusing." Physics of Plasmas 13(10): 103504-103504-9. <http://hdl.handle.net/2027.42/87754> | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/87754 | |
dc.description.abstract | Magnetic field topology has been found to be a central design concern for high-efficiency Hall thrusters. For future improvements in Hall thruster design, it is necessary to better understand the effects that magnetic field topology has on the internal plasma structure. The Plasmadynamics and Electric Propulsion Laboratory’s High-speed Axial Reciprocating Probe system is used in conjunction with a floating emissive probe to map the internal plasma potential structure of the NASA-173Mv1 Hall thruster [R. R. Hofer, R. S. Jankovsky, and A. D. Gallimore, J. Propul. Power 22, 721 (2006); 22, 732 (2006)]. Measurements are taken at 300 and 500 V500V with a xenon propellant. Electron temperature and electric field are also measured and reported. The acceleration zone and equipotential lines are found to be strongly linked to the magnetic field lines. Moreover, in some cases the ions are accelerated strongly toward the center of the discharge channel. The agreement between magnetic field lines and equipotential lines is best for high-voltage operation. These results have strong implications on the performance and lifetime optimization of Hall thrusters. | en_US |
dc.publisher | The American Institute of Physics | en_US |
dc.rights | © The American Institute of Physics | en_US |
dc.title | Internal plasma potential measurements of a Hall thruster using plasma lens focusing | 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, University of Michigan, 1919 Green Road, Room B107, Ann Arbor, Michigan 48109 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/87754/2/103504_1.pdf | |
dc.identifier.doi | 10.1063/1.2358331 | en_US |
dc.identifier.source | Physics of Plasmas | en_US |
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dc.owningcollname | Physics, Department of |
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