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Modelling the impact of reducing lubricant viscosity on a conventional passenger car fuel economy and wear protection

Identificadores del recurso

Results in Engineering, 24, 103159 (2024)

25901230

http://hdl.handle.net/11093/9269

10.1016/j.rineng.2024.103159

https://linkinghub.elsevier.com/retrieve/pii/S2590123024014142

Procedencia

Ficha

Título:: Modelling the impact of reducing lubricant viscosity on a conventional passenger car fuel economy and wear protection
Tema:: 3313 Tecnología E Ingeniería Mecánicas
Descripción:: This study explores how reducing lubricant viscosity affects fuel economy in passenger cars through experimental characterization and semi-predictive modelling. Thus, three engine oils (0W-20, 5W-30, and 5W-40) were tested for their rheological and tribological properties. Data were introduced into a detailed GT-Suite model of a turbocharged gasoline SUV. Simulations over six different driving cycles, including European homologation and real-driving conditions, used a fast-running model (FRM) to assess engine friction and wear protection. Results showed that lower viscosity oils, especially 0W-20, significantly reduced frictional losses, enhancing fuel economy. However, lower viscosity also increased contact friction under high power demand, raising durability concerns. A comprehensive evaluation of lubricants performance, offering insights into the trade-offs between fuel economy improvements and potential durability risks.
Idioma:: English
Autor/Productor:: Blanco Rodriguez, Javier; Simón-Montero, Xavier; Cortada García, Martí; Maroto, Santiago; Porteiro Fresco, Jacobo
Editor:: Results in Engineering; Enxeñaría mecánica, máquinas e motores térmicos e fluídos; GTE (Grupo de Tecnoloxía Enerxética)
Derechos:: Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/; openAccess
Fecha:: 2025-04-02T07:47:01Z; 2024-12; 2025-03-14T11:06:44Z
Tipo de recurso:: article

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  1. < mods:namePart > Blanco Rodriguez, Javier </ mods:namePart >
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2. < mods:name >
  1. < mods:namePart > Simón-Montero, Xavier </ mods:namePart >
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3. < mods:name >
  1. < mods:namePart > Cortada García, Martí </ mods:namePart >
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  1. < mods:namePart > Porteiro Fresco, Jacobo </ mods:namePart >
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13. < mods:identifier type =" editor " > https://linkinghub.elsevier.com/retrieve/pii/S2590123024014142 </ mods:identifier >
14. < mods:abstract > This study explores how reducing lubricant viscosity affects fuel economy in passenger cars through experimental characterization and semi-predictive modelling. Thus, three engine oils (0W-20, 5W-30, and 5W-40) were tested for their rheological and tribological properties. Data were introduced into a detailed GT-Suite model of a turbocharged gasoline SUV. Simulations over six different driving cycles, including European homologation and real-driving conditions, used a fast-running model (FRM) to assess engine friction and wear protection. Results showed that lower viscosity oils, especially 0W-20, significantly reduced frictional losses, enhancing fuel economy. However, lower viscosity also increased contact friction under high power demand, raising durability concerns. A comprehensive evaluation of lubricants performance, offering insights into the trade-offs between fuel economy improvements and potential durability risks. </ mods:abstract >
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7. < dcterms:abstract > This study explores how reducing lubricant viscosity affects fuel economy in passenger cars through experimental characterization and semi-predictive modelling. Thus, three engine oils (0W-20, 5W-30, and 5W-40) were tested for their rheological and tribological properties. Data were introduced into a detailed GT-Suite model of a turbocharged gasoline SUV. Simulations over six different driving cycles, including European homologation and real-driving conditions, used a fast-running model (FRM) to assess engine friction and wear protection. Results showed that lower viscosity oils, especially 0W-20, significantly reduced frictional losses, enhancing fuel economy. However, lower viscosity also increased contact friction under high power demand, raising durability concerns. A comprehensive evaluation of lubricants performance, offering insights into the trade-offs between fuel economy improvements and potential durability risks. </ dcterms:abstract >
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