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Investigating near-anode plasma layers of very high-pressure arc discharges

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dc.contributor.authorAlmeida, N. A.
dc.contributor.authorBenilov, M. S.
dc.contributor.authorHechtfischer, U.
dc.contributor.authorNaidis, G. V.
dc.date.accessioned2019-11-11T14:23:27Z
dc.date.available2019-11-11T14:23:27Z
dc.date.issued2009
dc.description.abstractNumerical and experimental investigation of near-anode layers of very high-pressure arcs in mercury and xenon is reported. The simulation is performed by means of a recently developed numerical model in which the whole of a near-electrode layer is simulated in the framework of a single set of equations without simplifying assumptions such as thermal equilibrium, ionization equilibrium and quasi-neutrality and which was used previously for a simulation of the near-cathode plasma layers. The simulation results support the general understanding of similarities and differences between plasma–cathode and plasma–anode interaction in high-pressure arc discharges established in preceding works. In particular, the anode power input is governed primarily by, and is approximately proportional to, the arc current. In the experiment, the spectral radiance from the electrodes and the near-electrode regions in xenon arcs was recorded. The derived total anode power input and near-anode plasma radiance distribution agree reasonably well with the simulation results.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAlmeida, N. A., Benilov, M. S., Hechtfischer, U., & Naidis, G. V. (2009). Investigating near-anode plasma layers of very high-pressure arc discharges. Journal of Physics D: Applied Physics, 42(4), 045210.pt_PT
dc.identifier.doi10.1088/0022-3727/42/4/045210pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/2595
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherIOP Publishingpt_PT
dc.relationModes of current transfer to cathodes of high-pressure arc discharges and their stability
dc.subjectInvestigation of near-anode layers of very high-pressure arcspt_PT
dc.subjectNear-anode layers of very high-pressure arcspt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências Exatas e da Engenhariapt_PT
dc.titleInvestigating near-anode plasma layers of very high-pressure arc dischargespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleModes of current transfer to cathodes of high-pressure arc discharges and their stability
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POCI/POCI%2FFIS%2F60526%2F2004/PT
oaire.citation.startPage045210pt_PT
oaire.citation.titleJournal of Physics D: Applied Physicspt_PT
oaire.citation.volume42(4)pt_PT
oaire.fundingStreamPOCI
person.familyNameAlmeida
person.familyNameBenilov
person.familyNameNaidis
person.givenNameNelson
person.givenNameMikhail
person.givenNameGeorge
person.identifier.ciencia-id0516-6FAA-27E2
person.identifier.ciencia-id0F14-A79A-97C1
person.identifier.orcid0000-0002-6499-3609
person.identifier.orcid0000-0001-9059-1948
person.identifier.orcid0000-0003-2184-802X
person.identifier.ridM-6228-2013
person.identifier.ridK-4443-2015
person.identifier.scopus-author-id7003469070
person.identifier.scopus-author-id7005138676
person.identifier.scopus-author-id6701765912
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication5ccf95a3-53d5-446c-857c-55d64b887175
relation.isAuthorOfPublication8605b032-ade3-4d43-b569-9b74b1c532ab
relation.isAuthorOfPublication.latestForDiscovery5ccf95a3-53d5-446c-857c-55d64b887175
relation.isProjectOfPublication644330bd-ba62-4b15-a65a-d8b85244e455
relation.isProjectOfPublication.latestForDiscovery644330bd-ba62-4b15-a65a-d8b85244e455

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