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Self-consistent modeling of self-organized patterns of spots on anodes of DC glow discharges

2018Journal article Open access
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dc.contributor.authorBieniek, M. S.
dc.contributor.authorAlmeida, P. G. C.
dc.contributor.authorBenilov, M. S.
dc.date.accessioned2022-07-13T08:44:07Z
dc.date.available2022-07-13T08:44:07Z
dc.date.issued2018
dc.description.abstractAbstract Self-organized patterns of spots on a flat metallic anode in a cylindrical glow discharge tube are simulated. A standard model of glow discharges is used, comprising conservation and transport equations for a single species of ion and electrons, written with the use of the drift-diffusion and local-field approximations, and the Poisson equation. Only processes in the near-anode region are considered and the computation domain is the region between the anode and the discharge column. Multiple solutions, existing in the same range of discharge current and describing modes with and without anode spots, are computed for the first time. A reversal of the local anode current density in the spots was found, i.e. mini-cathodes are formed inside the spots or, as one could say, anode spots operate as a unipolar glow discharge. The solutions do not fit into the conventional pattern of self-organization in bistable nonlinear dissipative systems; In particular, the modes are not joined by bifurcations.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBieniek, M. S., Almeida, P. G. C., & Benilov, M. S. (2018). Self-consistent modeling of self-organized patterns of spots on anodes of DC glow discharges. Plasma Sources Science and Technology, 27(5), 05LT03.pt_PT
dc.identifier.doi10.1088/1361-6595/aac0e9pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/4398
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherIOP Publishingpt_PT
dc.relationInstitute for Plasmas and Nuclear Fusion
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectSelf-organizationpt_PT
dc.subjectGlow dischargept_PT
dc.subjectAnode spotspt_PT
dc.subjectDissipative structurespt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências Exatas e da Engenhariapt_PT
dc.titleSelf-consistent modeling of self-organized patterns of spots on anodes of DC glow dischargespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleInstitute for Plasmas and Nuclear Fusion
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FFIS%2F50010%2F2013/PT
oaire.citation.issue5pt_PT
oaire.citation.startPage05LT03pt_PT
oaire.citation.titlePlasma Sources Science and Technologypt_PT
oaire.citation.volume27pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBieniek
person.familyNameAlmeida
person.familyNameBenilov
person.givenNameMatthew
person.givenNamePedro G C
person.givenNameMikhail
person.identifier.ciencia-idD61F-B90C-70B2
person.identifier.ciencia-id0F14-A79A-97C1
person.identifier.orcid0000-0001-5847-2228
person.identifier.orcid0000-0002-8395-2693
person.identifier.orcid0000-0001-9059-1948
person.identifier.ridK-4443-2015
person.identifier.scopus-author-id57159390400
person.identifier.scopus-author-id8157100900
person.identifier.scopus-author-id7005138676
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication6993183c-1ad1-4431-a551-320fb2ab2fde
relation.isAuthorOfPublicationc7346266-fe94-40ae-aa95-b576b0e1f3a6
relation.isAuthorOfPublication5ccf95a3-53d5-446c-857c-55d64b887175
relation.isAuthorOfPublication.latestForDiscovery6993183c-1ad1-4431-a551-320fb2ab2fde
relation.isProjectOfPublication773f8550-0778-4bd3-b859-600f4fca9629
relation.isProjectOfPublication.latestForDiscovery773f8550-0778-4bd3-b859-600f4fca9629

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