Effect of Contaminants on the Tribological Performance of Engine Oils

Ali, Mohamed Kamal Ahmed, Ezzat, Fawzy M.H., Sharshir, S.W.

ISBN 10: 3659763934 / ISBN 13: 9783659763939

Published by LAP LAMBERT Academic Publishing, 2016

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Bibliographic Details

• Title: Effect of Contaminants on the Tribological Performance of Engine Oils
• Publisher: LAP LAMBERT Academic Publishing
• Publication Date: 2016
• Language: English
• ISBN 10: 3659763934
• ISBN 13: 9783659763939
• Binding: paperback
• Condition: New
• Book Type: book

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Synopsis

Engine lubricant quality plays a vital role in reduction of fuel consumption by effective reduction of friction between the contact surfaces of engine parts (piston ring assembly, bearings and valve train). Contaminant particles of size larger than the dynamic lubricant oil films separating moving component surfaces cause a major portion of the engine wear. This book introduces study the effect of the presence of solid contaminants in engine oils during surface contact, which impact negatively on the performance of the engine and increase fuel consumption. This study revealed that the lubricant was contaminated by Fe, Cu, Al, Pb and SiO2 particles. The presence of the solid contaminants in engine oils leads to an increase in friction coefficient, wear and frictional power losses, increasing the surfaces roughness as a consequence. In order to minimize the effect of solid contaminants, it is necessary to improve the filtration accuracy for lubricating oils.

About the Author

M.K.A. Ali received his MSc degree from Minia University, Egypt in 2013. He is a Lecturer in Automotive Engineering Department, Faculty of Engineering, Minia University, Egypt. His research interests focus on Nano-Tribology in Engines, Engine Performance, Emission Control Technologies and Fuel Economy in Automotive.