Study of the influence of the needle eccentricity on the internal flow in diesel injector nozzles by computational fluid dynamics calculations

In the present paper, a computational study has been performed in order to clarify the effects of the needle eccentricity in a real multihole microsac nozzle. This nozzle has been simulated at typical operating conditions of a diesel engine, paying special attention to the internal flow development...

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Autores: Salvador, Francisco Javier|||0000-0003-3269-2251, Martínez López, Jorge Eugenio, Romero, José-Vicente|||0000-0003-3366-6557, Roselló, María-Dolores|||0000-0002-5724-7683
Tipo de recurso: artículo
Fecha de publicación:2014
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/51291
Acceso en línea:https://riunet.upv.es/handle/10251/51291
Access Level:acceso abierto
Palabra clave:Diesel injector
Cavitation
Needle eccentricity
Internal flow
MATEMATICA APLICADA
MAQUINAS Y MOTORES TERMICOS
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spelling Study of the influence of the needle eccentricity on the internal flow in diesel injector nozzles by computational fluid dynamics calculationsSalvador, Francisco Javier|||0000-0003-3269-2251Martínez López, Jorge EugenioRomero, José-Vicente|||0000-0003-3366-6557Roselló, María-Dolores|||0000-0002-5724-7683Diesel injectorCavitationNeedle eccentricityInternal flowMATEMATICA APLICADAMAQUINAS Y MOTORES TERMICOSIn the present paper, a computational study has been performed in order to clarify the effects of the needle eccentricity in a real multihole microsac nozzle. This nozzle has been simulated at typical operating conditions of a diesel engine, paying special attention to the internal flow development and cavitation appearance within the discharge orifices. For that purpose, a multiphase flowsolver based on a homogeneous equilibrium model with a barotropic equation of state has been used, introducing the turbulence effects by Reynolds-averaged Navier Stokes methods with a re-normalization group k-eps model. The results obtained from this investigation have demonstrated the huge influence of the needle position on the flow characteristics, showing important hole to hole differences.This work was partly sponsored by 'Vicerrectorado de Investigacion, Desarrollo e Innovacion' of the 'Universitat Politecnica de Valencia' in the frame of the project 'Estudio de la influencia del uso de combustibles alternativos sobre el proceso de inyeccion mediante GRID computing (FUELGRID)', and by 'Ministerio de Ciencia e Innovacion' in the frame of the project 'Estudio teorico-experimental sobre la influencia del tipo de combustible en los procesos de atomizacion y evaporacion del chorro Diesel (PROFUEL), reference TRA2011-26293. This support is gratefully acknowledged by the authors.Taylor & FrancisEscuela Técnica Superior de Ingeniería de TelecomunicaciónFacultad de Administración y Dirección de EmpresasDepartamento de Matemática AplicadaDepartamento de Máquinas y Motores TérmicosEscuela Técnica Superior de Ingeniería Aeroespacial y Diseño IndustrialInstituto Universitario de Investigación CMT - Clean Mobility & ThermofluidsInstituto Universitario de Matemática MultidisciplinarEscuela Técnica Superior de Ingeniería IndustrialUniversitat Politècnica de ValènciaMinisterio de Ciencia e InnovaciónRepositorio Institucional de la Universitat Politècnica de València Riunet20142014-01-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfapplication/pdfhttps://riunet.upv.es/handle/10251/51291reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)InglésengUniversitat Politècnica de València https://doi.org/10.13039/501100004233 SP20120396 ESTUDIO DE LA INFLUENCIA DEL USO DE COMBUSTIBLES ALTERNATIVOS SOBRE EL PROCESO DE INYECCIÓN MEDIANTE GRID COMPUTING (FUELGRID)Ministerio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 TRA2011-26293 ESTUDIO TEORICO-EXPERIMENTAL SOBRE LA INFLUENCIA DEL TIPO DE COMBUSTIBLE EN LOS PROCESOS DE ATOMIZACION Y EVAPORACION DEL CHORRO DIESELopen accesshttp://purl.org/coar/access_right/c_abf2Reserva de todos los derechoshttp://rightsstatements.org/vocab/InC/1.0/info:eu-repo/semantics/openAccessoai:riunet.upv.es:10251/512912026-06-13T07:49:27Z
dc.title.none.fl_str_mv Study of the influence of the needle eccentricity on the internal flow in diesel injector nozzles by computational fluid dynamics calculations
title Study of the influence of the needle eccentricity on the internal flow in diesel injector nozzles by computational fluid dynamics calculations
spellingShingle Study of the influence of the needle eccentricity on the internal flow in diesel injector nozzles by computational fluid dynamics calculations
Salvador, Francisco Javier|||0000-0003-3269-2251
Diesel injector
Cavitation
Needle eccentricity
Internal flow
MATEMATICA APLICADA
MAQUINAS Y MOTORES TERMICOS
title_short Study of the influence of the needle eccentricity on the internal flow in diesel injector nozzles by computational fluid dynamics calculations
title_full Study of the influence of the needle eccentricity on the internal flow in diesel injector nozzles by computational fluid dynamics calculations
title_fullStr Study of the influence of the needle eccentricity on the internal flow in diesel injector nozzles by computational fluid dynamics calculations
title_full_unstemmed Study of the influence of the needle eccentricity on the internal flow in diesel injector nozzles by computational fluid dynamics calculations
title_sort Study of the influence of the needle eccentricity on the internal flow in diesel injector nozzles by computational fluid dynamics calculations
dc.creator.none.fl_str_mv Salvador, Francisco Javier|||0000-0003-3269-2251
Martínez López, Jorge Eugenio
Romero, José-Vicente|||0000-0003-3366-6557
Roselló, María-Dolores|||0000-0002-5724-7683
author Salvador, Francisco Javier|||0000-0003-3269-2251
author_facet Salvador, Francisco Javier|||0000-0003-3269-2251
Martínez López, Jorge Eugenio
Romero, José-Vicente|||0000-0003-3366-6557
Roselló, María-Dolores|||0000-0002-5724-7683
author_role author
author2 Martínez López, Jorge Eugenio
Romero, José-Vicente|||0000-0003-3366-6557
Roselló, María-Dolores|||0000-0002-5724-7683
author2_role author
author
author
dc.contributor.none.fl_str_mv Escuela Técnica Superior de Ingeniería de Telecomunicación
Facultad de Administración y Dirección de Empresas
Departamento de Matemática Aplicada
Departamento de Máquinas y Motores Térmicos
Escuela Técnica Superior de Ingeniería Aeroespacial y Diseño Industrial
Instituto Universitario de Investigación CMT - Clean Mobility & Thermofluids
Instituto Universitario de Matemática Multidisciplinar
Escuela Técnica Superior de Ingeniería Industrial
Universitat Politècnica de València
Ministerio de Ciencia e Innovación
Repositorio Institucional de la Universitat Politècnica de València Riunet
dc.subject.none.fl_str_mv Diesel injector
Cavitation
Needle eccentricity
Internal flow
MATEMATICA APLICADA
MAQUINAS Y MOTORES TERMICOS
topic Diesel injector
Cavitation
Needle eccentricity
Internal flow
MATEMATICA APLICADA
MAQUINAS Y MOTORES TERMICOS
description In the present paper, a computational study has been performed in order to clarify the effects of the needle eccentricity in a real multihole microsac nozzle. This nozzle has been simulated at typical operating conditions of a diesel engine, paying special attention to the internal flow development and cavitation appearance within the discharge orifices. For that purpose, a multiphase flowsolver based on a homogeneous equilibrium model with a barotropic equation of state has been used, introducing the turbulence effects by Reynolds-averaged Navier Stokes methods with a re-normalization group k-eps model. The results obtained from this investigation have demonstrated the huge influence of the needle position on the flow characteristics, showing important hole to hole differences.
publishDate 2014
dc.date.none.fl_str_mv 2014
2014-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://riunet.upv.es/handle/10251/51291
url https://riunet.upv.es/handle/10251/51291
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Universitat Politècnica de València https://doi.org/10.13039/501100004233 SP20120396 ESTUDIO DE LA INFLUENCIA DEL USO DE COMBUSTIBLES ALTERNATIVOS SOBRE EL PROCESO DE INYECCIÓN MEDIANTE GRID COMPUTING (FUELGRID)
Ministerio de Ciencia e Innovación http://dx.doi.org/10.13039/501100004837 TRA2011-26293 ESTUDIO TEORICO-EXPERIMENTAL SOBRE LA INFLUENCIA DEL TIPO DE COMBUSTIBLE EN LOS PROCESOS DE ATOMIZACION Y EVAPORACION DEL CHORRO DIESEL
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reserva de todos los derechos
http://rightsstatements.org/vocab/InC/1.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Reserva de todos los derechos
http://rightsstatements.org/vocab/InC/1.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Taylor & Francis
publisher.none.fl_str_mv Taylor & Francis
dc.source.none.fl_str_mv reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname:Universitat Politècnica de València (UPV)
instname_str Universitat Politècnica de València (UPV)
reponame_str RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
collection RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.228081

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