Identification of Gas Turbine Ground Vortex Formation Regimes

Detalhes bibliográficos
Autor(a) principal: Barata, Jorge M M
Data de Publicação: 2012
Outros Autores: Manquinho, Pedro, Silva, André
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.6/12185
Resumo: In the present paper the preliminary work of Barata et al.11 on gas turbine ground vortex formation is extended to include eighteen different engines that are presently in service. The ground vortex flows produced by each engine are compared and discussed for the corresponding operational condition. The results have shown that more than one mode can occur for a particular engine-velocity ratio-clearance distance combination with 1, 2 or 3 vortexes that may merge before entering the inlet engine. Further improvement of gas turbine design is then required to prevent hazardous operation of aircrafts in the airports.
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spelling Identification of Gas Turbine Ground Vortex Formation RegimesGas Turbine EnginesVortex FlowKinematic ViscosityGas Turbine DesignMass Flow RateReynolds StressEngine InletFree Stream VelocityKinetic EnergySIMPLE AlgorithmIn the present paper the preliminary work of Barata et al.11 on gas turbine ground vortex formation is extended to include eighteen different engines that are presently in service. The ground vortex flows produced by each engine are compared and discussed for the corresponding operational condition. The results have shown that more than one mode can occur for a particular engine-velocity ratio-clearance distance combination with 1, 2 or 3 vortexes that may merge before entering the inlet engine. Further improvement of gas turbine design is then required to prevent hazardous operation of aircrafts in the airports.Fundação para a Ciência e a TecnologiaAmerican Institute of Aeronautics and Astronautics IncuBibliorumBarata, Jorge M MManquinho, PedroSilva, André2012-11-062060-11-06T00:00:00Z2012-11-06T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.6/12185engBarata, J.M.M., Manquinho, P.F., Silva, A.R.R. Identification of Gas Turbine Ground Vortex Formation Regimes 50th Aerospace Sciences Meeting, Nashville, Tennessee, EUA, 9-12 janeiro, 2012 DOI: 10.2514/6.2012-600978-1-60086-936-510.2514/6.2012-600info:eu-repo/semantics/embargoedAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-12-15T09:55:11Zoai:ubibliorum.ubi.pt:10400.6/12185Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T00:51:50.746051Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Identification of Gas Turbine Ground Vortex Formation Regimes
title Identification of Gas Turbine Ground Vortex Formation Regimes
spellingShingle Identification of Gas Turbine Ground Vortex Formation Regimes
Barata, Jorge M M
Gas Turbine Engines
Vortex Flow
Kinematic Viscosity
Gas Turbine Design
Mass Flow Rate
Reynolds Stress
Engine Inlet
Free Stream Velocity
Kinetic Energy
SIMPLE Algorithm
title_short Identification of Gas Turbine Ground Vortex Formation Regimes
title_full Identification of Gas Turbine Ground Vortex Formation Regimes
title_fullStr Identification of Gas Turbine Ground Vortex Formation Regimes
title_full_unstemmed Identification of Gas Turbine Ground Vortex Formation Regimes
title_sort Identification of Gas Turbine Ground Vortex Formation Regimes
author Barata, Jorge M M
author_facet Barata, Jorge M M
Manquinho, Pedro
Silva, André
author_role author
author2 Manquinho, Pedro
Silva, André
author2_role author
author
dc.contributor.none.fl_str_mv uBibliorum
dc.contributor.author.fl_str_mv Barata, Jorge M M
Manquinho, Pedro
Silva, André
dc.subject.por.fl_str_mv Gas Turbine Engines
Vortex Flow
Kinematic Viscosity
Gas Turbine Design
Mass Flow Rate
Reynolds Stress
Engine Inlet
Free Stream Velocity
Kinetic Energy
SIMPLE Algorithm
topic Gas Turbine Engines
Vortex Flow
Kinematic Viscosity
Gas Turbine Design
Mass Flow Rate
Reynolds Stress
Engine Inlet
Free Stream Velocity
Kinetic Energy
SIMPLE Algorithm
description In the present paper the preliminary work of Barata et al.11 on gas turbine ground vortex formation is extended to include eighteen different engines that are presently in service. The ground vortex flows produced by each engine are compared and discussed for the corresponding operational condition. The results have shown that more than one mode can occur for a particular engine-velocity ratio-clearance distance combination with 1, 2 or 3 vortexes that may merge before entering the inlet engine. Further improvement of gas turbine design is then required to prevent hazardous operation of aircrafts in the airports.
publishDate 2012
dc.date.none.fl_str_mv 2012-11-06
2012-11-06T00:00:00Z
2060-11-06T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.6/12185
url http://hdl.handle.net/10400.6/12185
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Barata, J.M.M., Manquinho, P.F., Silva, A.R.R. Identification of Gas Turbine Ground Vortex Formation Regimes 50th Aerospace Sciences Meeting, Nashville, Tennessee, EUA, 9-12 janeiro, 2012 DOI: 10.2514/6.2012-600
978-1-60086-936-5
10.2514/6.2012-600
dc.rights.driver.fl_str_mv info:eu-repo/semantics/embargoedAccess
eu_rights_str_mv embargoedAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Institute of Aeronautics and Astronautics Inc
publisher.none.fl_str_mv American Institute of Aeronautics and Astronautics Inc
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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