Study on the Performance of Small Size Diesel Engine Using Fish Oil Blended with Biodiesel as Fuel
Keywords:Engine Performance, Diesel Engine, Fish Oil
This research brought fish oil to produce biodiesel oil with the transesterification reaction process. After that, the biodiesel produced blends with diesel fuel at the ratio of 5%, 10% and 20% biodiesel blend by volume in diesel fuel. In this context, to study the physical properties and blends ratios affecting the performance of a small direct injection diesel engine with a power of 6.6 kW. The experiments focused on torque, power, brake specific fuel consumption, brake thermal efficiency and smoke. The results showed that all tested blends ratios can be used as normal engine fuel as with conventional diesel. Increasing the biodiesel blends ratio from fish oil results in lower calorific value, higher specific gravity and viscosity values. In addition, the engine has decreased torque, power, brake thermal efficiency and smoke but the brake specific fuel consumption is higher. The results of the experiment, the BF20's torque, power, brake thermal efficiency and smoke content are approximately 1.5%, 1.3%, 27% and 13% lower than the D100, respectively. As a result, the brake-specific fuel consumption is approximately 30% higher than the D100 due to lower calorific value, higher viscosity when increasing biodiesel blends from fish oil.
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