Lubricant viscosity and viscosity improver additive effects on diesel fuel economy

被引：67

作者：

Souza de Carvalho, Margareth Judith ^{[2
]}

Seidl, Peter Rudolf ^{[2
]}

Pereira Belchior, Carlos Rodrigues ^{[3
]}

Sodre, Jose Ricardo ^{[1
]}

机构：

[1] Pontificia Univ Catolica Minas Gerais, Dept Mech Engn, BR-30535610 Belo Horizonte, MG, Brazil

[2] Univ Fed Rio de Janeiro, Sch Chem, Ctr Technol, Ilha Fundao, BR-21949900 Rio De Janeiro, Brazil

[3] Univ Fed Rio de Janeiro, Dept Mech Engn, BR-22245110 Rio De Janeiro, Brazil

来源：

TRIBOLOGY INTERNATIONAL | 2010年 / 43卷 / 12期

关键词：

Lubricants; Viscosity; Fuel economy; Diesel engine; FRICTION; BOUNDARY; ENGINES;

D O I：

10.1016/j.triboint.2010.07.014

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This work verifies the impact of lubricant viscosity and viscosity improver additives on diesel fuel economy. Eight lubricants were tested in a single-cylinder, four-stroke, direct injection diesel engine mounted on a dynamometer, under different load and speed conditions. Engine friction power was also investigated through Willans' line. The results demonstrate that fuel economy obtained from multigrade viscosity oils is higher than that obtained from monograde viscosity oils. A linear relationship was obtained between the high temperature high shear viscosity and specific fuel consumption. The lubricant which provided lower fuel consumption also required lower friction power. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：2298 / 2302

页数：5

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