Browse Publications Technical Papers 2019-01-5087
2019-11-14

Heat Absorption Properties of Fuel Blends from Recycled Edible and Lubricating Oils 2019-01-5087

The urgency to reduce pollutant emissions from the combustion of neat diesel has led to the production, especially from waste substances, of various types of alternative fuels and new methods of analysis that sustain their use. The study of the heat absorption properties of different fuel blends, from recycled edible and lubricant oils, allows to identify the type and concentration of the fuel blend, which allows taking advantage of the generated heat from the air compression stroke of an internal combustion engine, increasing the temperature in the combustion chamber volume and giving the possibility to accelerate the chemical reaction during the combustion process. By means of spectral analysis in the visible and near-ultraviolet range of electromagnetic radiation, it measured the absorption capacity of heat energy of different concentrations and types of fuel blends from vegetable-animal and mineral-synthetic sources. It was observed that the fuel blends from the synthetic and mineral base are the ones which absorb more heat energy compared with the blend of animal-vegetable base and diesel. With the present study it is possible to determine the temperature increase in the combustion chamber, with a determined fuel type, contributing to a more effective combustion process in conjunction with other fuel properties, such as the ignition point, cetane number, and other engine parameters, like injection duration and delay.

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