Numerical study of the aerodynamics of sound sources in a bass-reflex port

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Detalhes bibliográficos
Autores: García Alcaide, V. M., Pallejà Cabré, S., Castilla López, Roberto|||0000-0002-3848-2004, Gámez Montero, Pedro Javier|||0000-0002-5168-3521, Romeu Garbí, Jordi|||0000-0002-9075-6877, Pàmies Gómez, Teresa|||0000-0002-2994-9872, Amate, Joan, Milán, Natalia
Tipo de documento: artigo
Data de publicação:2017
País:España
Recursos:Universitat Politècnica de Catalunya (UPC)
Repositório:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglês
OAI Identifier:oai:upcommons.upc.edu:2117/104059
Acesso em linha:https://hdl.handle.net/2117/104059
https://dx.doi.org/10.1080/19942060.2016.1277166
Access Level:Acceso aberto
Palavra-chave:Vortex shedding
Aerodynamics
Bass reflex port
Helmholtz resonance frequency
Aerodynamic noise
Dynamic mesh
Remolins (Mecànica de fluids)
Aerodinàmica
Àrees temàtiques de la UPC::Enginyeria mecànica::Mecànica de fluids
id ES_b2b3283ad4349bf50319f2f4e3d997db
oai_identifier_str oai:upcommons.upc.edu:2117/104059
network_acronym_str ES
network_name_str España
repository_id_str
spelling Numerical study of the aerodynamics of sound sources in a bass-reflex portGarcía Alcaide, V. M.Pallejà Cabré, S.Castilla López, Roberto|||0000-0002-3848-2004Gámez Montero, Pedro Javier|||0000-0002-5168-3521Romeu Garbí, Jordi|||0000-0002-9075-6877Pàmies Gómez, Teresa|||0000-0002-2994-9872Amate, JoanMilán, NataliaVortex sheddingAerodynamicsBass reflex portVortex sheddingHelmholtz resonance frequencyAerodynamic noiseDynamic meshRemolins (Mecànica de fluids)AerodinàmicaÀrees temàtiques de la UPC::Enginyeria mecànica::Mecànica de fluidsThis is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.The aim of this paper is to study the aerodynamics phenomena of a bass-reflex port that causes noise in the audible frequency range. After discarding structural and mechanical vibration issues, the hypothesis considered is that vortex shedding is the source of the noise. Experimental and numerical evidences of the vortex, an analysis of its noise and the similarities between real and simulated performance are presented. The numerically simulated cases with the original geometry are excited at different frequencies and with modifications of the port geometry. Likewise, the internal performance of an enclosure with a closed port was simulated. The simulations have been performed with axisymmetrical geometries using the open-source OpenFOAM® toolbox. Moreover, experimental measurements were carried out. First, acoustic signal experiments were done to analyse the response of the bass-reflex ports. Secondly, a structure vibration measurement was conducted in order to exclude the cabinet structure vibration as a source of the noise in question. A good agreement was found between numerical and experimental results, especially in the frequency band of the detected noise, i.e. the 1000–1500 Hz range. Despite no remarkable improvement being made with the geometry changes explored, the presented CFD approach has proved a useful and cost-effective tool to address this kind of phenomenon.Peer ReviewedEngineering Applications of Computational Fluid Mechanics20172017-01-2020172017-05-04journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/104059https://dx.doi.org/10.1080/19942060.2016.1277166reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution-NonCommercial-NoDerivs 3.0 Spainhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/1040592026-05-27T15:37:01Z
dc.title.none.fl_str_mv Numerical study of the aerodynamics of sound sources in a bass-reflex port
title Numerical study of the aerodynamics of sound sources in a bass-reflex port
spellingShingle Numerical study of the aerodynamics of sound sources in a bass-reflex port
García Alcaide, V. M.
Vortex shedding
Aerodynamics
Bass reflex port
Vortex shedding
Helmholtz resonance frequency
Aerodynamic noise
Dynamic mesh
Remolins (Mecànica de fluids)
Aerodinàmica
Àrees temàtiques de la UPC::Enginyeria mecànica::Mecànica de fluids
title_short Numerical study of the aerodynamics of sound sources in a bass-reflex port
title_full Numerical study of the aerodynamics of sound sources in a bass-reflex port
title_fullStr Numerical study of the aerodynamics of sound sources in a bass-reflex port
title_full_unstemmed Numerical study of the aerodynamics of sound sources in a bass-reflex port
title_sort Numerical study of the aerodynamics of sound sources in a bass-reflex port
dc.creator.none.fl_str_mv García Alcaide, V. M.
Pallejà Cabré, S.
Castilla López, Roberto|||0000-0002-3848-2004
Gámez Montero, Pedro Javier|||0000-0002-5168-3521
Romeu Garbí, Jordi|||0000-0002-9075-6877
Pàmies Gómez, Teresa|||0000-0002-2994-9872
Amate, Joan
Milán, Natalia
author García Alcaide, V. M.
author_facet García Alcaide, V. M.
Pallejà Cabré, S.
Castilla López, Roberto|||0000-0002-3848-2004
Gámez Montero, Pedro Javier|||0000-0002-5168-3521
Romeu Garbí, Jordi|||0000-0002-9075-6877
Pàmies Gómez, Teresa|||0000-0002-2994-9872
Amate, Joan
Milán, Natalia
author_role author
author2 Pallejà Cabré, S.
Castilla López, Roberto|||0000-0002-3848-2004
Gámez Montero, Pedro Javier|||0000-0002-5168-3521
Romeu Garbí, Jordi|||0000-0002-9075-6877
Pàmies Gómez, Teresa|||0000-0002-2994-9872
Amate, Joan
Milán, Natalia
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Vortex shedding
Aerodynamics
Bass reflex port
Vortex shedding
Helmholtz resonance frequency
Aerodynamic noise
Dynamic mesh
Remolins (Mecànica de fluids)
Aerodinàmica
Àrees temàtiques de la UPC::Enginyeria mecànica::Mecànica de fluids
topic Vortex shedding
Aerodynamics
Bass reflex port
Vortex shedding
Helmholtz resonance frequency
Aerodynamic noise
Dynamic mesh
Remolins (Mecànica de fluids)
Aerodinàmica
Àrees temàtiques de la UPC::Enginyeria mecànica::Mecànica de fluids
description This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
publishDate 2017
dc.date.none.fl_str_mv 2017
2017-01-20
2017
2017-05-04
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://hdl.handle.net/2117/104059
https://dx.doi.org/10.1080/19942060.2016.1277166
url https://hdl.handle.net/2117/104059
https://dx.doi.org/10.1080/19942060.2016.1277166
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
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
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Engineering Applications of Computational Fluid Mechanics
publisher.none.fl_str_mv Engineering Applications of Computational Fluid Mechanics
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869417077092122624
score 15,300719

Registros relacionados