Analysis of Compromising Degree of an Internal Combustion Engine Using Biodiesel

This work intends to present a study about the application of a standard methodology for the evaluation of the mechanical components compromise as result of the use of biodiesel, based on the lubricating oil analyses. The fuel oil that will be analyzed is produced in PUCRS' Faculty of Chemistry. As we know, the physical-chemical analysis of lubricating oils can indicate a series of parameters that allow valuing the quality and the compromising degree of the mechanical engine components. The results of these analyses will be based on tests in an Electronic Microscopy. This type of analysis will allow us to determine the quality of the lubricating oil, degradation and contamination with metal materials (mechanical compromising). The work presupposes the functioning of Diesel engine cycle with several proportions of biodiesel (B2, B5, B10, B20 and B100). The test cell is based on the analysis and evaluation of the gaseous emissions levels in the unloading, through gases analyzer and evaluation of fuel consumption with the different proportions of biodiesel added to the diesel fuel. All these tests are comparative, being the standard of reference the data obtained from the use of pure diesel fuel in tests with the engine test stand.

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See papers presented at SAE World Congress & Exhibition, April 2009, Detroit, MI, USA, Session: Corrosion Prevention

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