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Influence of Diesel fuels containing FAME on engine lube oil degradation and particulate matter (PM) emission
Abstract and Figures
The paper describes significant problems related to influence of Diesel biofuels on engine lube oil deterioration. It was demonstrated by monitoring the engine oil aging and performance changing during its operation in modern high speed direct injection (HSDI) light duty (LD) engine through the use of bench tests. This engine has been equipped with modern common rail (C R) type fuel injection system. In our study, to determine when and how the engine lubricant properties have been depleted, taking advantage of standard oil analysis as well as innovative methods, made among other things extensive analysis of engine bulk lubricant oxidation tests and thin lubricant film oxidation tests. At the same time aspires to discern diesel biofuels (including different quantity of FAME) influence on direct injection nozzle coking and deposit formation on the inside surfaces of injectors component parts. As a result of conducted investigations has been stated potential hazards of FAME contained in diesel fuel, for engine lubricant degradation and for correct in-system performance of CR system.
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