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Analysis of Effective Power and Reduced, Rotational Force, Specific and Hourly Consumption of Fuel, Efficiency Term-Mechanics and Volumetric for an Agricultural Tractor Fed with Fossil Diesel and Two Types of Biofuels

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  131619419,  2013 Kansas City, Missouri, July 21 - July 24, 2013. (doi: @2013
Authors:   Carlos Eduardo Silva Volpato
Keywords:   Alternative fuel energy efficiency combustion engine

Abstract. Biodiesel is a renewable fuel derived from vegetable oils used in diesel engines, in any proportion with petroleum diesel, or pure. It is produced by chemical processes, usually by transesterification, in which the glycerin is removed. Thus, the objective of this study was to compare the performance of the engine a four stroke, four cylinder diesel cycle using either biodiesel oil soybean (B100) and biodiesel oil olive (B100) with petroleum diesel. The following parameters were analyzed: effective and reduced power, torque, specific and hourly fuel consumption, thermo-mechanical and volumetric efficiency. Analysis of variance was performed on a completely randomized design with treatments in factorial and the Tukey test applied at the level of 5%. Five rotation speeds were researched in four replications (650, 570, 490, 410, 320 and 240 rpm). The engine fed with soybean biodiesel presented lower value of torque and reduced power compared with petroleum diesel. However, presented better resulted for consumptions specify and hourly. This engine when fed with biodiesel olive, all parameters were better than petroleum diesel..

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