The plasma state in the surroundings of a multi-cathode-spot vacuum arc

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A stationary, two-fluid model with spherical symmetry to describe the region surrounding the electrodes of a multi-cathode-spot vacuum arc is presented. For typical values of arc parameters, there is a weak coupling between ions and electrons and an analytical approximation for the physical quantiti...

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Autores principales:	Kelly, H., Márquez, A., Minotti, F., Ferro Fontán, C.
Formato:	JOUR
Materias:	Cathodes Electrons Ions Mathematical models Plasmas Multi-cathode-spot vacuum arc Electric arcs
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_00223727_v31_n14_p1737_Kelly
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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spelling	todo:paper_00223727_v31_n14_p1737_Kelly2023-10-03T14:32:21Z The plasma state in the surroundings of a multi-cathode-spot vacuum arc Kelly, H. Márquez, A. Minotti, F. Ferro Fontán, C. Cathodes Electrons Ions Mathematical models Plasmas Multi-cathode-spot vacuum arc Electric arcs A stationary, two-fluid model with spherical symmetry to describe the region surrounding the electrodes of a multi-cathode-spot vacuum arc is presented. For typical values of arc parameters, there is a weak coupling between ions and electrons and an analytical approximation for the physical quantities of the plasma can be developed. An important feature of this model is the prediction of a voltage profile outside the electrodes which causes an extra acceleration of the ions emerging from the interelectrode plasma. Fil:Kelly, H. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Márquez, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Minotti, F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Ferro Fontán, C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00223727_v31_n14_p1737_Kelly
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Cathodes Electrons Ions Mathematical models Plasmas Multi-cathode-spot vacuum arc Electric arcs
spellingShingle	Cathodes Electrons Ions Mathematical models Plasmas Multi-cathode-spot vacuum arc Electric arcs Kelly, H. Márquez, A. Minotti, F. Ferro Fontán, C. The plasma state in the surroundings of a multi-cathode-spot vacuum arc
topic_facet	Cathodes Electrons Ions Mathematical models Plasmas Multi-cathode-spot vacuum arc Electric arcs
description	A stationary, two-fluid model with spherical symmetry to describe the region surrounding the electrodes of a multi-cathode-spot vacuum arc is presented. For typical values of arc parameters, there is a weak coupling between ions and electrons and an analytical approximation for the physical quantities of the plasma can be developed. An important feature of this model is the prediction of a voltage profile outside the electrodes which causes an extra acceleration of the ions emerging from the interelectrode plasma.
format	JOUR
author	Kelly, H. Márquez, A. Minotti, F. Ferro Fontán, C.
author_facet	Kelly, H. Márquez, A. Minotti, F. Ferro Fontán, C.
author_sort	Kelly, H.
title	The plasma state in the surroundings of a multi-cathode-spot vacuum arc
title_short	The plasma state in the surroundings of a multi-cathode-spot vacuum arc
title_full	The plasma state in the surroundings of a multi-cathode-spot vacuum arc
title_fullStr	The plasma state in the surroundings of a multi-cathode-spot vacuum arc
title_full_unstemmed	The plasma state in the surroundings of a multi-cathode-spot vacuum arc
title_sort	plasma state in the surroundings of a multi-cathode-spot vacuum arc
url	http://hdl.handle.net/20.500.12110/paper_00223727_v31_n14_p1737_Kelly
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The plasma state in the surroundings of a multi-cathode-spot vacuum arc

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