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dc.contributor.author
Minotti, Fernando Oscar
dc.contributor.author
Giuliani, Leandro Estanislao
dc.contributor.author
Grondona, Diana Elena
dc.contributor.author
Della Torre, H.
dc.contributor.author
Kelly, Hector Juan
dc.date.available
2015-06-08T21:02:43Z
dc.date.issued
2013-03-18
dc.identifier.citation
Minotti, Fernando Oscar; Giuliani, Leandro Estanislao; Grondona, Diana Elena; Della Torre, H.; Kelly, Hector Juan; Model of the boundary layer of a vacuum-arc magnetic filter; Amer Inst Physics; Journal Of Applied Physics; 113; 11; 3-2013; 303-309;
dc.identifier.issn
0021-8979
dc.identifier.uri
http://hdl.handle.net/11336/637
dc.description.abstract
A model is developed to describe the electrostatic boundary layer in a positively biased magnetic filter in filtered arcs with low collisionality. The set of equations used includes the electron momentum equation, with an anomalous collision term due to micro-instabilities leading to Bohm diffusion, electron mass conservation, and Poisson equation. Analytical solutions are obtained, valid for the regimes of interest, leading to an explicit expression to determine the electron density current to the filter wall as a function of the potential of the filter and the ratio of electron density at the plasma to that at the filter wall. Using a set of planar and cylindrical probes it is verified experimentally that the mentioned ratio of electron densities remains reasonably constant for different magnetic field values and probe bias, which allows to obtain a closed expression for the current. Comparisons are made with the experimentally determined current collected at different sections of a positively biased straight filter.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Amer Inst Physics
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Vacuum Arc
dc.subject
Magnetic Filter
dc.subject.classification
Ciencias Naturales y Exactas
dc.subject.classification
Ciencias Físicas
dc.subject.classification
Física de Los Fluidos y Plasma
dc.title
Model of the boundary layer of a vacuum-arc magnetic filter
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-03-30 10:35:44.97925-03
dc.journal.volume
113
dc.journal.number
11
dc.journal.pagination
303-309
dc.journal.pais
Estados Unidos
dc.journal.ciudad
New York
dc.description.fil
Fil: Minotti, Fernando Oscar. Consejo Nacional de Invest.cientif.y Tecnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Instituto de Fisica del Plasma; Argentina;
dc.description.fil
Fil: Giuliani, Leandro Estanislao. Consejo Nacional de Invest.cientif.y Tecnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Instituto de Fisica del Plasma; Argentina;
dc.description.fil
Fil: Grondona, Diana Elena. Consejo Nacional de Invest.cientif.y Tecnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Instituto de Fisica del Plasma; Argentina;
dc.description.fil
Fil: Della Torre, H.. Consejo Nacional de Invest.cientif.y Tecnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Instituto de Fisica del Plasma; Argentina;
dc.description.fil
Fil: Kelly, Hector Juan. Consejo Nacional de Invest.cientif.y Tecnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Instituto de Fisica del Plasma; Argentina;
dc.journal.title
Journal Of Applied Physics
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1063/1.4795604