Research Trend of Friction Loss Reduction in Internal Combustion Engines

According to the International Energy Agency (IEA), it is predicted that internal combustion engines (ICEs) will function as important power sources for plug-in hybrid vehicles or hybrid electric vehicles until 2050. To improve ICE performance, the utilization of technology that is focused on reduci...

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Autor principal:	Yuji Mihara
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2017
Materias:	heat engine thermal efficiency friction loss tribology piston piston ring cylinder Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/6e82762fb4f74818bef79e22de8fa071
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spelling	oai:doaj.org-article:6e82762fb4f74818bef79e22de8fa0712021-11-05T09:20:26ZResearch Trend of Friction Loss Reduction in Internal Combustion Engines1881-219810.2474/trol.12.82https://doaj.org/article/6e82762fb4f74818bef79e22de8fa0712017-07-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/12/3/12_82/_pdf/-char/enhttps://doaj.org/toc/1881-2198According to the International Energy Agency (IEA), it is predicted that internal combustion engines (ICEs) will function as important power sources for plug-in hybrid vehicles or hybrid electric vehicles until 2050. To improve ICE performance, the utilization of technology that is focused on reducing heat loss and friction loss is critical. To achieve friction reduction, the application of low-viscosity oil for pistons and the realization of lower coefficients of friction between piston rings and cylinders serve as effective boundary conditions. The application of these conditions generates high seizure resistance as well. Many research and evaluation studies have been performed using the single cylinder floating liner engine method. However, there are no engines for which a quantitative evaluation is possible, so the causes behind friction losses are difficult to determine, and a mechanical analysis is difficult to perform. In this study, the trend of power sources analyzed by the IEA, prediction of the reduction in the coefficient of friction in automobiles by the European research center, and the concepts of each engine sliding surface condition are introduced. In addition, the difficulty of quantitative evaluation is also described, and the importance of a standard for the floating liner engine is explained.Yuji MiharaJapanese Society of Tribologistsarticleheat enginethermal efficiencyfriction losstribologypistonpiston ringcylinderPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 12, Iss 3, Pp 82-88 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	heat engine thermal efficiency friction loss tribology piston piston ring cylinder Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	heat engine thermal efficiency friction loss tribology piston piston ring cylinder Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Yuji Mihara Research Trend of Friction Loss Reduction in Internal Combustion Engines
description	According to the International Energy Agency (IEA), it is predicted that internal combustion engines (ICEs) will function as important power sources for plug-in hybrid vehicles or hybrid electric vehicles until 2050. To improve ICE performance, the utilization of technology that is focused on reducing heat loss and friction loss is critical. To achieve friction reduction, the application of low-viscosity oil for pistons and the realization of lower coefficients of friction between piston rings and cylinders serve as effective boundary conditions. The application of these conditions generates high seizure resistance as well. Many research and evaluation studies have been performed using the single cylinder floating liner engine method. However, there are no engines for which a quantitative evaluation is possible, so the causes behind friction losses are difficult to determine, and a mechanical analysis is difficult to perform. In this study, the trend of power sources analyzed by the IEA, prediction of the reduction in the coefficient of friction in automobiles by the European research center, and the concepts of each engine sliding surface condition are introduced. In addition, the difficulty of quantitative evaluation is also described, and the importance of a standard for the floating liner engine is explained.
format	article
author	Yuji Mihara
author_facet	Yuji Mihara
author_sort	Yuji Mihara
title	Research Trend of Friction Loss Reduction in Internal Combustion Engines
title_short	Research Trend of Friction Loss Reduction in Internal Combustion Engines
title_full	Research Trend of Friction Loss Reduction in Internal Combustion Engines
title_fullStr	Research Trend of Friction Loss Reduction in Internal Combustion Engines
title_full_unstemmed	Research Trend of Friction Loss Reduction in Internal Combustion Engines
title_sort	research trend of friction loss reduction in internal combustion engines
publisher	Japanese Society of Tribologists
publishDate	2017
url	https://doaj.org/article/6e82762fb4f74818bef79e22de8fa071
work_keys_str_mv	AT yujimihara researchtrendoffrictionlossreductionininternalcombustionengines
_version_	1718444416053542912

Research Trend of Friction Loss Reduction in Internal Combustion Engines

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