Life Cycle Assessment in automotive sector: A case study for engine valves towards cleaner production
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.jclepro.2018.02.252 http://hdl.handle.net/11449/160246 |
Resumo: | Life Cycle Assessment (LCA) is a well-established tool to analyze environmental aspects and impacts of products and processes. However, there are few studies available regarding LCA of automotive components such as the small parts used by vehicle engines, e.g., intake and exhaust valves. This paper showed a cradle-to-grave LCA of exhaust valves produced in Brazil for automotive use. Based on environmental hotspots of the case study, cleaner production scenarios were developed to reduce environmental burdens and to improve manufacturing eco-efficiency. Thirteen midpoint impact categories were evaluated and more than 90% of all the impacts were due to fuel consumption into the internal combustion engine during the valves use phase. Regarding the valves manufacturing phase, the machining processes applied on the valve stem represented 63% of all the impacts, and they were strongly influenced by the consumption of electric energy, raw materials used in the valve stem and cutting fluid. For this reason, cleaner production scenarios were evaluated and tested in a centerless grinding process of the valve stem. The best cleaner production scenario showed a potential impact reduction up to 72% in the standby grinding mode followed by up to 44% less impacts in the dressing mode. Simple changes on grinding parameters produced a huge potential of minimizing environmental burdens in a life cycle perspective, especially in terms of impacts for resources (fossil and minerals) depletion (RD). A comparison between the environmental profiles before and after adopting the proposed cleaner production measures showed a significant reduction of 27% on the RD impacts. Therefore, improvements of the exhaust valve's manufacturing parameters can generate a better environmental life cycle performance towards cleaner production. (C) 2018 Elsevier Ltd. All rights reserved. |
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Life Cycle Assessment in automotive sector: A case study for engine valves towards cleaner productionEnvironmental managementSustainable manufacturingLife cycle managementAutomotive industryEco-efficiencyBrazilLife Cycle Assessment (LCA) is a well-established tool to analyze environmental aspects and impacts of products and processes. However, there are few studies available regarding LCA of automotive components such as the small parts used by vehicle engines, e.g., intake and exhaust valves. This paper showed a cradle-to-grave LCA of exhaust valves produced in Brazil for automotive use. Based on environmental hotspots of the case study, cleaner production scenarios were developed to reduce environmental burdens and to improve manufacturing eco-efficiency. Thirteen midpoint impact categories were evaluated and more than 90% of all the impacts were due to fuel consumption into the internal combustion engine during the valves use phase. Regarding the valves manufacturing phase, the machining processes applied on the valve stem represented 63% of all the impacts, and they were strongly influenced by the consumption of electric energy, raw materials used in the valve stem and cutting fluid. For this reason, cleaner production scenarios were evaluated and tested in a centerless grinding process of the valve stem. The best cleaner production scenario showed a potential impact reduction up to 72% in the standby grinding mode followed by up to 44% less impacts in the dressing mode. Simple changes on grinding parameters produced a huge potential of minimizing environmental burdens in a life cycle perspective, especially in terms of impacts for resources (fossil and minerals) depletion (RD). A comparison between the environmental profiles before and after adopting the proposed cleaner production measures showed a significant reduction of 27% on the RD impacts. Therefore, improvements of the exhaust valve's manufacturing parameters can generate a better environmental life cycle performance towards cleaner production. (C) 2018 Elsevier Ltd. All rights reserved.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Univ Fed Sao Carlos, Dept Prod Engn, Sch Management & Technol, Joao Leme dos Santos Rd SP-264,Km 110, BR-18052780 Itinga Dist, Sorocaba, BrazilSao Paulo State Univ, Campus Sao Joao da Boa Vista, BR-13876750 Sao Joao Da Boa Vista, BrazilCa Foscari Univ Venice, PhD Program Sci & Management Climate Change, Dept Econ, Cannaregio 873, I-30123 Venice, ItalyUniv Sao Paulo, Dept Prod Engn, Sch Engn Sao Carlos, 400 Trabalhador Sao Carlense Ave, BR-13566590 Sao Carlos, SP, BrazilSao Paulo State Univ, Campus Sao Joao da Boa Vista, BR-13876750 Sao Joao Da Boa Vista, BrazilFAPESP: 2013/06736-9Elsevier B.V.Universidade Federal de São Carlos (UFSCar)Universidade Estadual Paulista (Unesp)Ca Foscari Univ VeniceUniversidade de São Paulo (USP)Lopes Silva, Diogo A.Oliveira, Jose Augusto de [UNESP]Padovezi Filleti, Remo AugustoGomes de Oliveira, Joao FernandoSilva, Eraldo Jannone daOmetto, Aldo Roberto2018-11-26T16:01:07Z2018-11-26T16:01:07Z2018-05-20info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article286-300application/pdfhttp://dx.doi.org/10.1016/j.jclepro.2018.02.252Journal Of Cleaner Production. Oxford: Elsevier Sci Ltd, v. 184, p. 286-300, 2018.0959-6526http://hdl.handle.net/11449/16024610.1016/j.jclepro.2018.02.252WOS:000430779600026WOS000430779600026.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal Of Cleaner Production1,467info:eu-repo/semantics/openAccess2023-11-11T06:14:29Zoai:repositorio.unesp.br:11449/160246Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T17:24:38.792409Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Life Cycle Assessment in automotive sector: A case study for engine valves towards cleaner production |
title |
Life Cycle Assessment in automotive sector: A case study for engine valves towards cleaner production |
spellingShingle |
Life Cycle Assessment in automotive sector: A case study for engine valves towards cleaner production Lopes Silva, Diogo A. Environmental management Sustainable manufacturing Life cycle management Automotive industry Eco-efficiency Brazil |
title_short |
Life Cycle Assessment in automotive sector: A case study for engine valves towards cleaner production |
title_full |
Life Cycle Assessment in automotive sector: A case study for engine valves towards cleaner production |
title_fullStr |
Life Cycle Assessment in automotive sector: A case study for engine valves towards cleaner production |
title_full_unstemmed |
Life Cycle Assessment in automotive sector: A case study for engine valves towards cleaner production |
title_sort |
Life Cycle Assessment in automotive sector: A case study for engine valves towards cleaner production |
author |
Lopes Silva, Diogo A. |
author_facet |
Lopes Silva, Diogo A. Oliveira, Jose Augusto de [UNESP] Padovezi Filleti, Remo Augusto Gomes de Oliveira, Joao Fernando Silva, Eraldo Jannone da Ometto, Aldo Roberto |
author_role |
author |
author2 |
Oliveira, Jose Augusto de [UNESP] Padovezi Filleti, Remo Augusto Gomes de Oliveira, Joao Fernando Silva, Eraldo Jannone da Ometto, Aldo Roberto |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Federal de São Carlos (UFSCar) Universidade Estadual Paulista (Unesp) Ca Foscari Univ Venice Universidade de São Paulo (USP) |
dc.contributor.author.fl_str_mv |
Lopes Silva, Diogo A. Oliveira, Jose Augusto de [UNESP] Padovezi Filleti, Remo Augusto Gomes de Oliveira, Joao Fernando Silva, Eraldo Jannone da Ometto, Aldo Roberto |
dc.subject.por.fl_str_mv |
Environmental management Sustainable manufacturing Life cycle management Automotive industry Eco-efficiency Brazil |
topic |
Environmental management Sustainable manufacturing Life cycle management Automotive industry Eco-efficiency Brazil |
description |
Life Cycle Assessment (LCA) is a well-established tool to analyze environmental aspects and impacts of products and processes. However, there are few studies available regarding LCA of automotive components such as the small parts used by vehicle engines, e.g., intake and exhaust valves. This paper showed a cradle-to-grave LCA of exhaust valves produced in Brazil for automotive use. Based on environmental hotspots of the case study, cleaner production scenarios were developed to reduce environmental burdens and to improve manufacturing eco-efficiency. Thirteen midpoint impact categories were evaluated and more than 90% of all the impacts were due to fuel consumption into the internal combustion engine during the valves use phase. Regarding the valves manufacturing phase, the machining processes applied on the valve stem represented 63% of all the impacts, and they were strongly influenced by the consumption of electric energy, raw materials used in the valve stem and cutting fluid. For this reason, cleaner production scenarios were evaluated and tested in a centerless grinding process of the valve stem. The best cleaner production scenario showed a potential impact reduction up to 72% in the standby grinding mode followed by up to 44% less impacts in the dressing mode. Simple changes on grinding parameters produced a huge potential of minimizing environmental burdens in a life cycle perspective, especially in terms of impacts for resources (fossil and minerals) depletion (RD). A comparison between the environmental profiles before and after adopting the proposed cleaner production measures showed a significant reduction of 27% on the RD impacts. Therefore, improvements of the exhaust valve's manufacturing parameters can generate a better environmental life cycle performance towards cleaner production. (C) 2018 Elsevier Ltd. All rights reserved. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-11-26T16:01:07Z 2018-11-26T16:01:07Z 2018-05-20 |
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://dx.doi.org/10.1016/j.jclepro.2018.02.252 Journal Of Cleaner Production. Oxford: Elsevier Sci Ltd, v. 184, p. 286-300, 2018. 0959-6526 http://hdl.handle.net/11449/160246 10.1016/j.jclepro.2018.02.252 WOS:000430779600026 WOS000430779600026.pdf |
url |
http://dx.doi.org/10.1016/j.jclepro.2018.02.252 http://hdl.handle.net/11449/160246 |
identifier_str_mv |
Journal Of Cleaner Production. Oxford: Elsevier Sci Ltd, v. 184, p. 286-300, 2018. 0959-6526 10.1016/j.jclepro.2018.02.252 WOS:000430779600026 WOS000430779600026.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Journal Of Cleaner Production 1,467 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
286-300 application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier B.V. |
publisher.none.fl_str_mv |
Elsevier B.V. |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128805971165184 |