An overview of recent advances in quantitative ferrography as applied to diesel engines
Ferrography is being applied to laboratory and field engines to understand better the wear processes taking place. Methods used to make ferrography quantitative and sensitive to a wide range of debris concentrations are presented. An equation describing the time-varying debris concentration in the engine was applied to ferrography data in order to calculate the particle generation rate and the filtering efficiency of a paper filter. Results using this technique in the laboratory are discussed. A medium duty truck engine from new to its present mileage of over 80000 mile was monitored every 50 h using analytical ferrography. The results of this study are presented. © 1983.
An overview of recent advances in quantitative ferrography as applied to diesel engines.
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