Energy savings with multigraded diesel lubricants - an experimental test design in winter, urban bus operation

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Energy savings with multigraded diesel lubricants - an experimental test design in winter, urban bus operation

Energy savings with multigraded diesel lubricants - an experimental test design in winter, urban bus operation

Farnsworth, G.R. / Bachman, H.E. / Overton, R.

This paper illustrates how experimental design techniques can be employed to obtain an accurate assessment of multigrade Heavy Duty (HD) performance in the field. Compared to monograde (SAE 40) oil, the use of SAE 15W/40 oil was found to improve vehicle fuel mileage (MPG) as well as oil economy (MPQ). The demonstration, conducted in two groups of 10 city buses each in regular service, was structured to dampen out the effect of numerous incidental variables. Statistical data analysis indicate a 'most probable' improvement in fuel mileage of 2.7 % as well as a 47 % increase on multigraded oil economy. (Kursetz)

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Title :

Energy savings with multigraded diesel lubricants - an experimental test design in winter, urban bus operation

Additional title:

Energieeinsparungen mit Mehrstoff-Dieselschmierstoffen - Ein Testversuch im Stadtbusverkehr im Winter

Contributors:

Farnsworth, G.R. (author) / Bachman, H.E. (author) / Overton, R. (author)

Published in:

THE RELATIONSHIP BETWEEN ENGINE OIL VISCOSITY AND ENGINE PERFORMANCE-PART 3. SAE CONGR. AND EXPOSIT. ; 25-35

Publication date :

1978

Size :

11 Seiten, 6 Bilder, 6 Tabellen, 15 Quellen

Type of media :

Conference paper

Type of material :

Print

Language :

English

Keywords :

KRAFTFAHRZEUGMOTOR , STRASSENVERKEHR , NAHVERKEHR , OMNIBUS , MOTOROEL , SYNTHETISCHER SCHMIERSTOFF , ADDITIV , VISKOSITAET , BETRIEBSVERHALTEN , KAELTEFESTIGKEIT , VISKOSITAETSMESSUNG , OELVERBRAUCH , WIRTSCHAFTLICHKEIT , STATISTISCHE METHODE , KOSTENVERGLEICH , KOSTENEINSPARUNG , DIESELMOTOR , WINTERBETRIEB

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