Dataset for the combined effect of cetane improver and water emulsion on energy, environmental and economic values of a diesel engine fueled with lemon peel oil

The present dataset describes the combined effect of cetane improver and water emulsion on the energy, environmental and economic values of a diesel engine fueled with lemon peel oil (LPO). The LPO was derived from waste lemon peels through a steam distillation process, and the water was blended with LPO using mechanical agitation along with a suitable surfactant. The water concentration in LPO was limited by 20% with an equal interval of 10, and the 2-Ethylhexyl nitrate concentration was limited by 2% on the total volume of the fuel. The fuel properties were measured as per the ASTM standards and the data were presented. The energy, environmental and economic assessments of test fuels were carried out in a four-stroke, naturally aspirated diesel engine fitted with an eddy current dynamometer. The assessments were carried out under different brake mean effective pressure (BMEP) conditions based on the engine load starting from 25% load to full load. The key energy parameters data of the diesel engine such as brake thermal efficiency (BTE), brake specific energy consumption (BSEC), and brake specific fuel consumption (BSFC) were represented for various test fuels under different operating conditions along with