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An Experimental Study on Diesel Engine Performance with Various Biodiesel B20 Inlet Temperature
Putra A.E.E.
Aip Conference Proceedings
Abstract
In furtherance of the Indonesian government target on biodiesel as renewable energy used especially in automotive application, several attempts have been made to improve engine performance. Biodiesel has a higher kinematic viscosity and density than diesel oil that can affect the engine performance. In this study, a single-cylinder, four strokes, with a compression ratio of 18:1 was run using biodiesel B20 with a variation of inlet temperature of 30°C, 50°C, 60°C, and 70°C. Experiments were conducted at an engine speed of 1500 rpm and four different engine loads including 3 kg, 6 kg, 9 kg, and 12 kg. The result shows that the maximum effective power of 3.22 kW occurs at a load 12 kg at the temperature of 30° C. The minimum specific fuel consumption (SFC) of 0.32 kg/kWh was observed at a load of 9 kg with a temperature of 70 °C and the maximum thermal efficiency (ηth) of 29.52% was observed at a load of 9 kg with a temperature of 70 ° C.