This work analyses the performance of a 44 kW diesel power generator fuelled by blends of diesel oil and ethanol. Tests were performed with fuel blends containing up to 15% of ethanol in diesel oil, varying engine load. The exhaust gas temperature was reduced when the engine was operated with diesel oil-ethanol blends, especially at high loads, in comparison with diesel oil only, as an indication that ethanol increases in-cylinder mixture burn rate. Fuel consumption was increased by up to 11%, as a consequence of the lower heating value of ethanol, in comparison with diesel oil. Fuel conversion efficiency was slightly increased for high engine loads.

Performance of a diesel power generator fueled by diesel oil-ethanol blends

248th National Meeting (2014)

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