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Abstract:

A simplified two-dimensional model which describes the inter-electrode region of a non-filtered vacuum arc with a cylindrical geometry is developed. The model includes elastic collisions and charge-exchange reactions between metallic particles and gas molecules, and also generation and recombination of gaseous ions by electron impact. The radial velocity component of the different particles is treated in the diffusive approximation. Solutions of the model corresponding to a copper-cathode continuous arc operating with a current of 100 A and oxygen filling gas with pressures in the range 0.5-50 Pa are presented.

Registro:

Documento: Artículo
Título:Two-dimensional fluid model for the inter-electrode region of a non-filtered vacuum arc
Autor:Minotti, F.O.; Kelly, H.; Lepone, A.
Filiación:INFIP-CONICET, Departamento de Física, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Palabras clave:Charge transfer; Computational fluid dynamics; Copper; Diffusion in solids; Electric arcs; Electrodes; Electron transport properties; Ions; Mathematical models; Metals; Molecules; Velocity; Charge exchange reactions; Copper cathode continuous arc; Elastic collision; Inter electrode; Nonfiltered vacuum arc; Oxygen filling gas; Two dimensional fluid model; Vacuum applications
Año:2002
Volumen:11
Número:3
Página de inicio:294
Página de fin:300
DOI: http://dx.doi.org/10.1088/0963-0252/11/3/311
Título revista:Plasma Sources Science and Technology
Título revista abreviado:Plasma Sources Sci Technol
ISSN:09630252
CODEN:PSTEE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09630252_v11_n3_p294_Minotti

Referencias:

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Citas:

---------- APA ----------
Minotti, F.O., Kelly, H. & Lepone, A. (2002) . Two-dimensional fluid model for the inter-electrode region of a non-filtered vacuum arc. Plasma Sources Science and Technology, 11(3), 294-300.
http://dx.doi.org/10.1088/0963-0252/11/3/311
---------- CHICAGO ----------
Minotti, F.O., Kelly, H., Lepone, A. "Two-dimensional fluid model for the inter-electrode region of a non-filtered vacuum arc" . Plasma Sources Science and Technology 11, no. 3 (2002) : 294-300.
http://dx.doi.org/10.1088/0963-0252/11/3/311
---------- MLA ----------
Minotti, F.O., Kelly, H., Lepone, A. "Two-dimensional fluid model for the inter-electrode region of a non-filtered vacuum arc" . Plasma Sources Science and Technology, vol. 11, no. 3, 2002, pp. 294-300.
http://dx.doi.org/10.1088/0963-0252/11/3/311
---------- VANCOUVER ----------
Minotti, F.O., Kelly, H., Lepone, A. Two-dimensional fluid model for the inter-electrode region of a non-filtered vacuum arc. Plasma Sources Sci Technol. 2002;11(3):294-300.
http://dx.doi.org/10.1088/0963-0252/11/3/311