Experimental Characterization of a Low-Current Cutting Torch.

Autores
Kelly, Héctor; Mancinelli, Beatriz; Prevosto, Leandro; Minotti, Fernando; Márquez, Andrés
Año de publicación
2004
Idioma
inglés
Tipo de recurso
artículo
Estado
versión aceptada
Descripción
An experimental characterization of a low-current (30-40 A) cutting torch is presented. To avoid contamination of the plasma arc by removed anode material, a rotating steel cylinder was used as the anode and the arc was anchored onto the cylinder lateral surface. The cathode-anode and cathode-nozzle voltage drops, together with the gas pressure in the plenum chamber were registered for different values of the mass flow rate injected into the plenum chamber. By employing an optical system with a large magnification (≈ 15 X), the arc radius at the nozzle exit was also determined with a digital optical camera. The obtained experimental quantities were used to evaluate several flow properties at the nozzle exit (hot arc plasma and cold gas temperatures, arc and gas velocities, etc.) by employing a simplified theoretical model for the plasma flow in the nozzle. The obtained results are in reasonable agreement with the data reported in the literature by other authors. Explanations of the origin of the clogging effect and the nozzle voltage are also presented.
Fil: Kelly, Héctor. Facultad de Ciencias Exactas y Naturales (UBA). Departamento de Física. Instituto de Física ( CONICET). Buenos Aires; Argentina.
Fil: Mancinelli, Beatriz. Universidad Tecnológica Nacional. Facultad Regional Venado Tuerto. Departamento Ingeniería Electromecánica. Grupo de Descargas Eléctricas. Santa Fe; Argentina.
Fil: Prevosto, Leandro. Universidad Tecnológica Nacional. Facultad Regional Venado Tuerto. Departamento Ingeniería Electromecánica. Grupo de Descargas Eléctricas. Santa Fe; Argentina.
Fil: Minotti, Fernando. Instituto de Física del Plasma. Departamento de Física. Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires; Argentina.
Fil: Márquez, Andrés. Facultad de Ciencias Exactas y Naturales (UBA). Departamento de Física. Instituto de Física ( CONICET). Buenos Aires; Argentina.
Peer Reviewed
Materia
Cutting Torch.
Low-Current.
Plasma.
Nivel de accesibilidad
acceso abierto
Condiciones de uso
2024-02-15T23:56:35Z
Repositorio
Repositorio Institucional Abierto (UTN)
Institución
Universidad Tecnológica Nacional
OAI Identificador
oai:ria.utn.edu.ar:20.500.12272/9501
Acceder
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network_acronym_str RIAUTN
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network_name_str Repositorio Institucional Abierto (UTN)
spelling Experimental Characterization of a Low-Current Cutting Torch.Kelly, HéctorMancinelli, BeatrizPrevosto, LeandroMinotti, FernandoMárquez, AndrésCutting Torch.Low-Current.Plasma.An experimental characterization of a low-current (30-40 A) cutting torch is presented. To avoid contamination of the plasma arc by removed anode material, a rotating steel cylinder was used as the anode and the arc was anchored onto the cylinder lateral surface. The cathode-anode and cathode-nozzle voltage drops, together with the gas pressure in the plenum chamber were registered for different values of the mass flow rate injected into the plenum chamber. By employing an optical system with a large magnification (≈ 15 X), the arc radius at the nozzle exit was also determined with a digital optical camera. The obtained experimental quantities were used to evaluate several flow properties at the nozzle exit (hot arc plasma and cold gas temperatures, arc and gas velocities, etc.) by employing a simplified theoretical model for the plasma flow in the nozzle. The obtained results are in reasonable agreement with the data reported in the literature by other authors. Explanations of the origin of the clogging effect and the nozzle voltage are also presented.Fil: Kelly, Héctor. Facultad de Ciencias Exactas y Naturales (UBA). Departamento de Física. Instituto de Física ( CONICET). Buenos Aires; Argentina.Fil: Mancinelli, Beatriz. Universidad Tecnológica Nacional. Facultad Regional Venado Tuerto. Departamento Ingeniería Electromecánica. Grupo de Descargas Eléctricas. Santa Fe; Argentina.Fil: Prevosto, Leandro. Universidad Tecnológica Nacional. Facultad Regional Venado Tuerto. Departamento Ingeniería Electromecánica. Grupo de Descargas Eléctricas. Santa Fe; Argentina.Fil: Minotti, Fernando. Instituto de Física del Plasma. Departamento de Física. Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires; Argentina.Fil: Márquez, Andrés. Facultad de Ciencias Exactas y Naturales (UBA). Departamento de Física. Instituto de Física ( CONICET). Buenos Aires; Argentina.Peer Reviewed2024-02-15T23:56:35Z2024-02-15T23:56:35Z2004info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articulopdfapplication/pdfBrazilian Journal of Physics.http://hdl.handle.net/20.500.12272/9501https://www.scielo.br/j/bjp/i/2004.v34n4b/engengBrazilian Journal of Physics, vol. 34, no. 4B, December, 2004.info:eu-repo/semantics/openAccess2024-02-15T23:56:35Zhttp://creativecommons.org/licenses/by-nc-nd/4.0/Attribution-NonCommercial-NoDerivatives 4.0 InternacionalKelly, Héctor.Creative Commons http://creativecommons.org/licenses/by-nc-nd/4.0/ Attribution-NonCommercial-NoDerivatives 4.0 Internacional Este trabajo puede ser utilizado con fines académicos y de estudio.reponame:Repositorio Institucional Abierto (UTN)instname:Universidad Tecnológica Nacional2026-09-24T12:43:57Zoai:ria.utn.edu.ar:20.500.12272/9501instacron:UTNInstitucionalhttp://ria.utn.edu.ar/Universidad públicaNo correspondehttp://ria.utn.edu.ar/oaigestionria@rec.utn.edu.ar; fsuarez@rec.utn.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:a2026-09-24 12:43:57.445Repositorio Institucional Abierto (UTN) - Universidad Tecnológica Nacionalfalse
dc.title.none.fl_str_mv Experimental Characterization of a Low-Current Cutting Torch.
title Experimental Characterization of a Low-Current Cutting Torch.
spellingShingle Experimental Characterization of a Low-Current Cutting Torch.
Kelly, Héctor
Cutting Torch.
Low-Current.
Plasma.
title_short Experimental Characterization of a Low-Current Cutting Torch.
title_full Experimental Characterization of a Low-Current Cutting Torch.
title_fullStr Experimental Characterization of a Low-Current Cutting Torch.
title_full_unstemmed Experimental Characterization of a Low-Current Cutting Torch.
title_sort Experimental Characterization of a Low-Current Cutting Torch.
dc.creator.none.fl_str_mv Kelly, Héctor
Mancinelli, Beatriz
Prevosto, Leandro
Minotti, Fernando
Márquez, Andrés
author Kelly, Héctor
author_facet Kelly, Héctor
Mancinelli, Beatriz
Prevosto, Leandro
Minotti, Fernando
Márquez, Andrés
author_role author
author2 Mancinelli, Beatriz
Prevosto, Leandro
Minotti, Fernando
Márquez, Andrés
author2_role author
author
author
author
dc.subject.none.fl_str_mv Cutting Torch.
Low-Current.
Plasma.
topic Cutting Torch.
Low-Current.
Plasma.
dc.description.none.fl_txt_mv An experimental characterization of a low-current (30-40 A) cutting torch is presented. To avoid contamination of the plasma arc by removed anode material, a rotating steel cylinder was used as the anode and the arc was anchored onto the cylinder lateral surface. The cathode-anode and cathode-nozzle voltage drops, together with the gas pressure in the plenum chamber were registered for different values of the mass flow rate injected into the plenum chamber. By employing an optical system with a large magnification (≈ 15 X), the arc radius at the nozzle exit was also determined with a digital optical camera. The obtained experimental quantities were used to evaluate several flow properties at the nozzle exit (hot arc plasma and cold gas temperatures, arc and gas velocities, etc.) by employing a simplified theoretical model for the plasma flow in the nozzle. The obtained results are in reasonable agreement with the data reported in the literature by other authors. Explanations of the origin of the clogging effect and the nozzle voltage are also presented.
Fil: Kelly, Héctor. Facultad de Ciencias Exactas y Naturales (UBA). Departamento de Física. Instituto de Física ( CONICET). Buenos Aires; Argentina.
Fil: Mancinelli, Beatriz. Universidad Tecnológica Nacional. Facultad Regional Venado Tuerto. Departamento Ingeniería Electromecánica. Grupo de Descargas Eléctricas. Santa Fe; Argentina.
Fil: Prevosto, Leandro. Universidad Tecnológica Nacional. Facultad Regional Venado Tuerto. Departamento Ingeniería Electromecánica. Grupo de Descargas Eléctricas. Santa Fe; Argentina.
Fil: Minotti, Fernando. Instituto de Física del Plasma. Departamento de Física. Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires; Argentina.
Fil: Márquez, Andrés. Facultad de Ciencias Exactas y Naturales (UBA). Departamento de Física. Instituto de Física ( CONICET). Buenos Aires; Argentina.
Peer Reviewed
description An experimental characterization of a low-current (30-40 A) cutting torch is presented. To avoid contamination of the plasma arc by removed anode material, a rotating steel cylinder was used as the anode and the arc was anchored onto the cylinder lateral surface. The cathode-anode and cathode-nozzle voltage drops, together with the gas pressure in the plenum chamber were registered for different values of the mass flow rate injected into the plenum chamber. By employing an optical system with a large magnification (≈ 15 X), the arc radius at the nozzle exit was also determined with a digital optical camera. The obtained experimental quantities were used to evaluate several flow properties at the nozzle exit (hot arc plasma and cold gas temperatures, arc and gas velocities, etc.) by employing a simplified theoretical model for the plasma flow in the nozzle. The obtained results are in reasonable agreement with the data reported in the literature by other authors. Explanations of the origin of the clogging effect and the nozzle voltage are also presented.
publishDate 2004
dc.date.none.fl_str_mv 2004
2024-02-15T23:56:35Z
2024-02-15T23:56:35Z
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv Brazilian Journal of Physics.
http://hdl.handle.net/20.500.12272/9501
https://www.scielo.br/j/bjp/i/2004.v34n4b/
identifier_str_mv Brazilian Journal of Physics.
url http://hdl.handle.net/20.500.12272/9501
https://www.scielo.br/j/bjp/i/2004.v34n4b/
dc.language.none.fl_str_mv eng
eng
language eng
dc.relation.none.fl_str_mv Brazilian Journal of Physics, vol. 34, no. 4B, December, 2004.
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
2024-02-15T23:56:35Z
http://creativecommons.org/licenses/by-nc-nd/4.0/
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Kelly, Héctor.
Creative Commons http://creativecommons.org/licenses/by-nc-nd/4.0/ Attribution-NonCommercial-NoDerivatives 4.0 Internacional Este trabajo puede ser utilizado con fines académicos y de estudio.
eu_rights_str_mv openAccess
rights_invalid_str_mv 2024-02-15T23:56:35Z
http://creativecommons.org/licenses/by-nc-nd/4.0/
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Kelly, Héctor.
Creative Commons http://creativecommons.org/licenses/by-nc-nd/4.0/ Attribution-NonCommercial-NoDerivatives 4.0 Internacional Este trabajo puede ser utilizado con fines académicos y de estudio.
dc.format.none.fl_str_mv pdf
application/pdf
dc.source.none.fl_str_mv reponame:Repositorio Institucional Abierto (UTN)
instname:Universidad Tecnológica Nacional
reponame_str Repositorio Institucional Abierto (UTN)
collection Repositorio Institucional Abierto (UTN)
instname_str Universidad Tecnológica Nacional
repository.name.fl_str_mv Repositorio Institucional Abierto (UTN) - Universidad Tecnológica Nacional
repository.mail.fl_str_mv gestionria@rec.utn.edu.ar; fsuarez@rec.utn.edu.ar
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score 13.24418

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