Improvement of Fuel Efficiency of Passenger Cars by Taking Advantage of Tribology

The study conducted by a study group on the prediction of car fuel savings realized through tribology development organized by the Japan Society of Tribologists showed that the fuel loss caused by tires was 7.5% for constant velocity running at 60 km/h. Furthermore, the Japan Automobile Tyre Manufac...

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Autor principal:	Takashi Nakamura
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2017
Materias:	tribology passenger car fuel efficiency improvement power train retroactive effect 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/9e1eb7afb30b49628e3c2eddf0da8fce
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spelling	oai:doaj.org-article:9e1eb7afb30b49628e3c2eddf0da8fce2021-11-05T09:20:26ZImprovement of Fuel Efficiency of Passenger Cars by Taking Advantage of Tribology1881-219810.2474/trol.12.76https://doaj.org/article/9e1eb7afb30b49628e3c2eddf0da8fce2017-07-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/12/3/12_76/_pdf/-char/enhttps://doaj.org/toc/1881-2198The study conducted by a study group on the prediction of car fuel savings realized through tribology development organized by the Japan Society of Tribologists showed that the fuel loss caused by tires was 7.5% for constant velocity running at 60 km/h. Furthermore, the Japan Automobile Tyre Manufacturers Association estimates that the contribution rate of the reduction in tire rolling resistance to fuel savings is between 20 to 25% in the case of constant velocity running, and these figures cannot be explained if we consider the fuel loss of tires alone. The study group adopted a threefold improvement in fuel economy, as it reduces both the exhaust and cooling losses in the same ratio. In addition, the study group proposed a novel retroactive effect, which states that reduction of downstream elements’ losses decreases the upstream elements’ losses. The contribution rates of the individual elements to the fuel consumption can be calculated by taking the threefold improvement and the retroactive effect into consideration.Takashi NakamuraJapanese Society of Tribologistsarticletribologypassenger carfuel efficiencyimprovementpower trainretroactive effectPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 12, Iss 3, Pp 76-81 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	tribology passenger car fuel efficiency improvement power train retroactive effect Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	tribology passenger car fuel efficiency improvement power train retroactive effect Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Takashi Nakamura Improvement of Fuel Efficiency of Passenger Cars by Taking Advantage of Tribology
description	The study conducted by a study group on the prediction of car fuel savings realized through tribology development organized by the Japan Society of Tribologists showed that the fuel loss caused by tires was 7.5% for constant velocity running at 60 km/h. Furthermore, the Japan Automobile Tyre Manufacturers Association estimates that the contribution rate of the reduction in tire rolling resistance to fuel savings is between 20 to 25% in the case of constant velocity running, and these figures cannot be explained if we consider the fuel loss of tires alone. The study group adopted a threefold improvement in fuel economy, as it reduces both the exhaust and cooling losses in the same ratio. In addition, the study group proposed a novel retroactive effect, which states that reduction of downstream elements’ losses decreases the upstream elements’ losses. The contribution rates of the individual elements to the fuel consumption can be calculated by taking the threefold improvement and the retroactive effect into consideration.
format	article
author	Takashi Nakamura
author_facet	Takashi Nakamura
author_sort	Takashi Nakamura
title	Improvement of Fuel Efficiency of Passenger Cars by Taking Advantage of Tribology
title_short	Improvement of Fuel Efficiency of Passenger Cars by Taking Advantage of Tribology
title_full	Improvement of Fuel Efficiency of Passenger Cars by Taking Advantage of Tribology
title_fullStr	Improvement of Fuel Efficiency of Passenger Cars by Taking Advantage of Tribology
title_full_unstemmed	Improvement of Fuel Efficiency of Passenger Cars by Taking Advantage of Tribology
title_sort	improvement of fuel efficiency of passenger cars by taking advantage of tribology
publisher	Japanese Society of Tribologists
publishDate	2017
url	https://doaj.org/article/9e1eb7afb30b49628e3c2eddf0da8fce
work_keys_str_mv	AT takashinakamura improvementoffuelefficiencyofpassengercarsbytakingadvantageoftribology
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Improvement of Fuel Efficiency of Passenger Cars by Taking Advantage of Tribology

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