Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor

[EN] Centrifugal turbomachines of smaller sizes operating at higher speeds have become pervasive due to the increased specific power and reliability achieved by improvements in manufacturing, materials and computational methods. The presence of these small turbomachines, specifically compressors, in...

Descripción completa

Detalles Bibliográficos
Autores: Sharma, Sidharath, Allport, John M., Barrans, Simon, Nickson, Ambrose K., García-Tíscar, Jorge|||0000-0003-4934-4587
Tipo de recurso: artículo
Fecha de publicación:2020
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:10251/160907
Acceso en línea:https://riunet.upv.es/handle/10251/160907
Access Level:acceso abierto
Palabra clave:Compressor noise
Stress blended eddy simulation
Ported shroud
Computational fluid dynamics
Aeroacoustics
INGENIERIA AEROESPACIAL
id ES_f8c7d53d042c02a7b9fd62a175d1990c
oai_identifier_str oai:riunet.upv.es:10251/160907
network_acronym_str ES
network_name_str España
repository_id_str
spelling Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressorSharma, SidharathAllport, John M.Barrans, SimonNickson, Ambrose K.García-Tíscar, Jorge|||0000-0003-4934-4587Compressor noiseStress blended eddy simulationPorted shroudComputational fluid dynamicsAeroacousticsINGENIERIA AEROESPACIAL[EN] Centrifugal turbomachines of smaller sizes operating at higher speeds have become pervasive due to the increased specific power and reliability achieved by improvements in manufacturing, materials and computational methods. The presence of these small turbomachines, specifically compressors, in helicopters, unmanned aerial vehicles (UAVs), auxiliary power units (APUs), turbochargers and micro gas turbines necessitates superior aerodynamic performance over a broad operational range which is widely achieved by ported shroud casing designs. In addition to aerodynamic performance, acoustic emissions have become a critical aspect of design for these small centrifugal compressors due to high operational speeds. Furthermore, the literature on the acoustic effects of the casing treatment is rather limited. Therefore, the impact of ported shroud casing treatment on the acoustic and flow features of the compressor operating at the design and near surge conditions have been quantified by numerically modelling the open and blocked configuration of the compressors. Upon comparing with experimental results, the numerical spectra are shown to capture the differences between the two configurations at the investigated operating points with reasonable accuracy. Although the casing treatment is generally seen to decrease the overall acoustic emission of the compressor at both operating conditions, increased propagation of tonal content in the direction upstream to the impeller is observed, particularly for design operation. Broadband characteristics in the lower and medium frequency regions usually associated with near surge operation including `whoosh' noise are observed to be alleviated by the ported shroud casing treatment.The author(s) disclosed receipt of the following financial support for the research, authorship and/or publication of this article: The project is sponsored and supported by BorgWarner Turbo Systems and the Regional Growth Fund (RGF Grant Award 01.09.07.01/1789C).SAGE PublicationsDepartamento de Máquinas y Motores TérmicosEscuela Técnica Superior de Ingeniería Aeroespacial y Diseño IndustrialInstituto Universitario de Investigación CMT - Clean Mobility & ThermofluidsBorgWarner Turbo SystemsRegional Growth Fund, Reino UnidoRepositorio Institucional de la Universitat Politècnica de València Riunet20202020-08-01journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfapplication/pdfhttps://riunet.upv.es/handle/10251/160907reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valénciainstname:Universitat Politècnica de València (UPV)InglésengRegional Growth Fund, Reino Unido RGF 01.09.07.01%2F1789Copen 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:10251/1609072026-06-13T07:49:27Z
dc.title.none.fl_str_mv Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor
title Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor
spellingShingle Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor
Sharma, Sidharath
Compressor noise
Stress blended eddy simulation
Ported shroud
Computational fluid dynamics
Aeroacoustics
INGENIERIA AEROESPACIAL
title_short Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor
title_full Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor
title_fullStr Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor
title_full_unstemmed Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor
title_sort Effects of ported shroud casing treatment on the acoustic and flow behaviour of a centrifugal compressor
dc.creator.none.fl_str_mv Sharma, Sidharath
Allport, John M.
Barrans, Simon
Nickson, Ambrose K.
García-Tíscar, Jorge|||0000-0003-4934-4587
author Sharma, Sidharath
author_facet Sharma, Sidharath
Allport, John M.
Barrans, Simon
Nickson, Ambrose K.
García-Tíscar, Jorge|||0000-0003-4934-4587
author_role author
author2 Allport, John M.
Barrans, Simon
Nickson, Ambrose K.
García-Tíscar, Jorge|||0000-0003-4934-4587
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Departamento de Máquinas y Motores Térmicos
Escuela Técnica Superior de Ingeniería Aeroespacial y Diseño Industrial
Instituto Universitario de Investigación CMT - Clean Mobility & Thermofluids
BorgWarner Turbo Systems
Regional Growth Fund, Reino Unido
Repositorio Institucional de la Universitat Politècnica de València Riunet
dc.subject.none.fl_str_mv Compressor noise
Stress blended eddy simulation
Ported shroud
Computational fluid dynamics
Aeroacoustics
INGENIERIA AEROESPACIAL
topic Compressor noise
Stress blended eddy simulation
Ported shroud
Computational fluid dynamics
Aeroacoustics
INGENIERIA AEROESPACIAL
description [EN] Centrifugal turbomachines of smaller sizes operating at higher speeds have become pervasive due to the increased specific power and reliability achieved by improvements in manufacturing, materials and computational methods. The presence of these small turbomachines, specifically compressors, in helicopters, unmanned aerial vehicles (UAVs), auxiliary power units (APUs), turbochargers and micro gas turbines necessitates superior aerodynamic performance over a broad operational range which is widely achieved by ported shroud casing designs. In addition to aerodynamic performance, acoustic emissions have become a critical aspect of design for these small centrifugal compressors due to high operational speeds. Furthermore, the literature on the acoustic effects of the casing treatment is rather limited. Therefore, the impact of ported shroud casing treatment on the acoustic and flow features of the compressor operating at the design and near surge conditions have been quantified by numerically modelling the open and blocked configuration of the compressors. Upon comparing with experimental results, the numerical spectra are shown to capture the differences between the two configurations at the investigated operating points with reasonable accuracy. Although the casing treatment is generally seen to decrease the overall acoustic emission of the compressor at both operating conditions, increased propagation of tonal content in the direction upstream to the impeller is observed, particularly for design operation. Broadband characteristics in the lower and medium frequency regions usually associated with near surge operation including `whoosh' noise are observed to be alleviated by the ported shroud casing treatment.
publishDate 2020
dc.date.none.fl_str_mv 2020
2020-08-01
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/10251/160907
url https://riunet.upv.es/handle/10251/160907
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv Regional Growth Fund, Reino Unido RGF 01.09.07.01%2F1789C
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 SAGE Publications
publisher.none.fl_str_mv SAGE Publications
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
_version_ 1869425033455075328
score 15.223283

Similares en LA Referencia