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Effect of Blends Gasoline with Oxygenated Additives in the Performance of Internal Combustion Engine

Journal of Power and Energy Engineering 2021年第7期9卷 1-9页

作者： Suzara Rayanne de Castro Sena André Luis Oliveira de Almeida leonara luizza da costa leite Jean Gustavo de Melo Araujo Eduardo Lins de Barros Neto Camila Gambini Pereira Centre of Education and Research in Oil and Gas Federal University of Rio Grande do Norte (UFRN) Natal Brazil

The objective of this study was to evaluate the effect of blends of different oxygenated additives on gasoline in SI engine Otto cycle. The formulations analyzed were: pure gasoline (type A), common gasoline (type C), gasoline type A + 15% (v/v) oxygenated additives (ethanol, ethyl octanoate, ethyl oleate). The experiments were performed using engine Branco 4-stroke and 2-cylinder, electric dynamometer, exhaust system, control unit composed of Multi-K unit, variable selector and load cell, stroboscope tachometer, fuel supply system and stopwatch. The rotation was conserved at 4400 rpm and wheel power varied from 3 kW to 12 kW, with intervals of 3 kW to obtain hourly consumption curves and brake specific fuel consumption. Even esters and ethanol having lower heat of combustion, hourly consumption was similar to pure gasoline (type A). In relation to the brake specific fuel consumption, increasing the wheel power had a better conversion of the mass of fuel burned into energy. Thus, this study showed that the mixture of gasoline and esters (ethyl octanoate and ethyl oleate) presented good efficiency in terms of consumption. This research contributes to the needs and to the current studies in which industries started to add renewable products to petroleum-derived fuels;in order to obtain more sustainable fuels at lower costs.

关键词： Gasoline Oxygenated Additives Consumption

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