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Direct measurement of neutral gas heating in a radio-frequency electrothermal plasma micro-thruster

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Greig, A.; Charles, C.; Hawkins, R.; Boswell, R.

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Direct measurements and modelling of neutral gas heating in a radio-frequency (13.56 MHz) electrothermal collisional plasma micro-thruster have been performed using rovibrational band matching of the second positive system of molecular nitrogen (N2) for operating pressures of 4.5 Torr down to 0.5 Torr. The temperature measured with decreasing pressure for 10 W power input ranged from 395 K to 530 K in pure N2 and from 834 K to 1090 K in argon with 1% N2. A simple analytical model was...[Show more]

dc.contributor.authorGreig, A.
dc.contributor.authorCharles, C.
dc.contributor.authorHawkins, R.
dc.contributor.authorBoswell, R.
dc.date.accessioned2015-12-07T01:13:17Z
dc.date.available2015-12-07T01:13:17Z
dc.identifier.issn0003-6951
dc.identifier.urihttp://hdl.handle.net/1885/17049
dc.description.abstractDirect measurements and modelling of neutral gas heating in a radio-frequency (13.56 MHz) electrothermal collisional plasma micro-thruster have been performed using rovibrational band matching of the second positive system of molecular nitrogen (N2) for operating pressures of 4.5 Torr down to 0.5 Torr. The temperature measured with decreasing pressure for 10 W power input ranged from 395 K to 530 K in pure N2 and from 834 K to 1090 K in argon with 1% N2. A simple analytical model was developed which describes the difference in temperatures between the argon and nitrogen discharges.
dc.description.sponsorshipAspects of this research made use of software developed by the Inversion Laboratory (ilab). Ilab is part of the Auscope AGOS project—an initiative of the Australian Government funded through the Education Investment Fund.
dc.format4 pages
dc.publisherAmerican Institute of Physics (AIP)
dc.rights© 2013 AIP Publishing.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Applied Physics Letters and may be found at http://doi.org/(URL/10.1063/1.4818657 http://publishing.aip.org/authors/copyright-reuse http://www.sherpa.ac.uk/romeo/issn/0003-6951 Author can archive publisher's version/PDF (Sherpa/Romeo as of 7/12/2015).
dc.sourceApplied Physics Letters
dc.subjectmodelling
dc.subjectneutral gas heating
dc.subjectradio-frequency (13.56 MHz)
dc.subjectelectrothermal collisional plasma micro-thruster
dc.subjectrovibrational band matching
dc.subjectsecond positive system of molecular nitrogen (N2)
dc.subject4.5 Torr down to 0.5 Torr
dc.titleDirect measurement of neutral gas heating in a radio-frequency electrothermal plasma micro-thruster
dc.typeJournal article
local.description.notesImported from ARIES.
local.identifier.citationvolume103
dcterms.dateAccepted2013-08-01
dc.date.issued2013
local.identifier.absfor020204
local.identifier.ariespublicationu4695161xPUB106
local.publisher.urlhttps://www.aip.org/
local.type.statusPublished Version
local.contributor.affiliationGreig, Amelia, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Plasma Research Laboratory, The Australian National University
local.contributor.affiliationCharles, Christine, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Plasma Research Laboratory, The Australian National University
local.contributor.affiliationHawkins, Rhys, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Plasma Research Laboratory, The Australian National University
local.contributor.affiliationBoswell, Roderick, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Plasma Research Laboratory, The Australian National University
local.identifier.essn1077-3118
local.bibliographicCitation.issue7
local.bibliographicCitation.startpage074101
local.identifier.doi10.1063/1.4818657
dc.date.updated2015-12-08T09:15:33Z
local.identifier.scopusID2-s2.0-84882389054
local.identifier.thomsonID000323769000096
CollectionsANU Research Publications

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