An experimental investigation on the influence of deactivation of a groove on the performance of a twin groove journal bearing
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/1822/34641 |
Resumo: | Laboratory tests have been carried out in order to assess the influence of groove activation and deactivation on the performance of a twin axial groove steadily loaded hydrodynamic journal bearing. Temperature distribution at the oil–bush interface, oil outlet temperature, total oil flow rate, partial oil flow rate (at each groove), and motor consumption were measured for several journal speeds and loads under constant feeding pressure (pf) and constant feeding temperature (Tf), at five different loading angles ( ). In this study, the corresponding groove was deactivated whenever negative oil flow rate was observed in it and results were compared. It was found that the groove deactivation strategy has profound influence on the bearing performance when negative flow rate occurs at one groove, preventing such undesirable effects as lubricant starvation at the loaded region of the bearing. Groove deactivation in the event of negative flow rate may be easily implemented by incorporating a check valve to the feeding system of each groove. Such strategy seems to be highly recommended for the safe operation of bearings subjected to high loads and load angles deviated from 90º. |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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spelling |
An experimental investigation on the influence of deactivation of a groove on the performance of a twin groove journal bearingHydrodynamic journal bearingsSupply conditionsThermal behaviorGroove deactivationEngenharia e Tecnologia::Engenharia dos MateriaisScience & TechnologyLaboratory tests have been carried out in order to assess the influence of groove activation and deactivation on the performance of a twin axial groove steadily loaded hydrodynamic journal bearing. Temperature distribution at the oil–bush interface, oil outlet temperature, total oil flow rate, partial oil flow rate (at each groove), and motor consumption were measured for several journal speeds and loads under constant feeding pressure (pf) and constant feeding temperature (Tf), at five different loading angles ( ). In this study, the corresponding groove was deactivated whenever negative oil flow rate was observed in it and results were compared. It was found that the groove deactivation strategy has profound influence on the bearing performance when negative flow rate occurs at one groove, preventing such undesirable effects as lubricant starvation at the loaded region of the bearing. Groove deactivation in the event of negative flow rate may be easily implemented by incorporating a check valve to the feeding system of each groove. Such strategy seems to be highly recommended for the safe operation of bearings subjected to high loads and load angles deviated from 90º.Institution of Mechanical EngineersUniversidade do MinhoSolghar, A. A.Brito, F. P.Claro, José Carlos Pimenta20142014-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/34641eng1350-650110.1177/1350650113518521info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:32:21Zoai:repositorium.sdum.uminho.pt:1822/34641Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:27:41.223549Repositório 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 |
An experimental investigation on the influence of deactivation of a groove on the performance of a twin groove journal bearing |
title |
An experimental investigation on the influence of deactivation of a groove on the performance of a twin groove journal bearing |
spellingShingle |
An experimental investigation on the influence of deactivation of a groove on the performance of a twin groove journal bearing Solghar, A. A. Hydrodynamic journal bearings Supply conditions Thermal behavior Groove deactivation Engenharia e Tecnologia::Engenharia dos Materiais Science & Technology |
title_short |
An experimental investigation on the influence of deactivation of a groove on the performance of a twin groove journal bearing |
title_full |
An experimental investigation on the influence of deactivation of a groove on the performance of a twin groove journal bearing |
title_fullStr |
An experimental investigation on the influence of deactivation of a groove on the performance of a twin groove journal bearing |
title_full_unstemmed |
An experimental investigation on the influence of deactivation of a groove on the performance of a twin groove journal bearing |
title_sort |
An experimental investigation on the influence of deactivation of a groove on the performance of a twin groove journal bearing |
author |
Solghar, A. A. |
author_facet |
Solghar, A. A. Brito, F. P. Claro, José Carlos Pimenta |
author_role |
author |
author2 |
Brito, F. P. Claro, José Carlos Pimenta |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Solghar, A. A. Brito, F. P. Claro, José Carlos Pimenta |
dc.subject.por.fl_str_mv |
Hydrodynamic journal bearings Supply conditions Thermal behavior Groove deactivation Engenharia e Tecnologia::Engenharia dos Materiais Science & Technology |
topic |
Hydrodynamic journal bearings Supply conditions Thermal behavior Groove deactivation Engenharia e Tecnologia::Engenharia dos Materiais Science & Technology |
description |
Laboratory tests have been carried out in order to assess the influence of groove activation and deactivation on the performance of a twin axial groove steadily loaded hydrodynamic journal bearing. Temperature distribution at the oil–bush interface, oil outlet temperature, total oil flow rate, partial oil flow rate (at each groove), and motor consumption were measured for several journal speeds and loads under constant feeding pressure (pf) and constant feeding temperature (Tf), at five different loading angles ( ). In this study, the corresponding groove was deactivated whenever negative oil flow rate was observed in it and results were compared. It was found that the groove deactivation strategy has profound influence on the bearing performance when negative flow rate occurs at one groove, preventing such undesirable effects as lubricant starvation at the loaded region of the bearing. Groove deactivation in the event of negative flow rate may be easily implemented by incorporating a check valve to the feeding system of each groove. Such strategy seems to be highly recommended for the safe operation of bearings subjected to high loads and load angles deviated from 90º. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014 2014-01-01T00:00:00Z |
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/1822/34641 |
url |
http://hdl.handle.net/1822/34641 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
1350-6501 10.1177/1350650113518521 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Institution of Mechanical Engineers |
publisher.none.fl_str_mv |
Institution of Mechanical Engineers |
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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1799132769461207040 |