Browsing by Author "MOLINA VILLARROEL, DANIEL ANTONIO"
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Thesis CONSTRUCCION DE MATERIAL DIDACTICO PARA PERSONAL KOMATSU PARTE 2 WHELLDOZER WD600 3(Universidad Técnica Federico Santa María, 2009) MOLINA VILLARROEL, DANIEL ANTONIO; ESPINOSA LEDESMA EUGENIO PATRICIThesis INVESTIGACIÓN EXPERIMENTAL DEL COMPORTAMIENTO DE MEZCLAS DIÉSEL/BIODIESEL EN CÁMARA DE COMBUSTIÓN(Universidad Técnica Federico Santa María, 2015) MOLINA VILLARROEL, DANIEL ANTONIO; TOLEDO TORRES, MARIO GONZALO (prof. guía); Universidad Tecnica Federico Santa Maria UTFSM DEPARTAMENTO DE INGENIERÍA MECÁNICA; CERECEDA BALIC, FRANCISCO; OSSES ALVARADO, MAURICIOThis titulation memory is associated to Fondef D091-1070 denominated “Análisis y generación de una base de datos de potencial energético y emisiones de contaminantes de biocombustibles de interés nacional” project. This work, revolves around as an answer to the necessity of detailed information about the systematization of the combustion process, chemical and energetic characterization that biofuels and fossil fuels produce. By using a steady source of emissions equipment called “camara de combustion controlada” “3CL”, biodiesel and diesel are tested in different volumetric proportions in order to determine the optimal equipment operation. Different emissions of product gases are presented for their following study, these are: O2%, CO2%, NOX, SO2 y CO. Equations are developed to get to know RAC, combustion performance and burn calculations, maximum theoretical percentages of combustion and reference gases for the calculation of gas dilution emissions and chamber energetic balance. In addition to that, a form and method of rehearsal that determines the specific heat of fuels, the technical characteristics of the instruments used in the chamber and laboratory along with some improvements and innovations in the oven equipment. A control volume is established for the energetic balance with an energetic entrance of fuel of 1.18 [kW] per fuel fluid optimization and the electric energy of 1.86 [kW] along with the energetic determination for the possible entrances of air heating and fuel. In the case of energy that comes out from the control volume, the most important are the isolation efficiency from the oven that gets to an 87% with a lost of 0.24 [kW], the lost of the combustions process of each rehearsal and the energy of combustion gasses when getting out of the control volume. The calculation of combustion performance in each rehearsal is carried out and an average of 83% for diesel base B0, a 66% for mixture B5, and a 65% for mixture B20 are obtained. Therefore, it is deduced that the mixtures have a lower average than the basic line.
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