Performance Analysis of Single Cylinder Diesel Engine on Biodiesel Fuel Temperature Variation

Erwin Pratama; Abrar Riza; Steven Darmawan

doi:10.35814/asiimetrik.v8i1.8908

Authors

Erwin Pratama Universitas Tarumanagara
Abrar Riza Universitas Tarumanagara
Steven Darmawan Universitas Tarumanagara

DOI:

https://doi.org/10.35814/asiimetrik.v8i1.8908

Keywords:

biodiesel, fuel temperature, diesel engine, heater

Abstract

The use of biodiesel or bio solar fuel continues to grow in line with the increasing awareness of renewable energy and environmental concerns. However, the relatively high viscosity of bio solar fuel can affect the performance of diesel engines. This study aims to analyze the effects of fuel temperature variation using a heater on the performance of diesel engines. The research method employed was experimental testing on a single cylinder Jiangdong 170F diesel engine with fuel heating set at temperatures 40^oC, 50^oC, 60^oC, and 70^oC. The parameters analyzed include power, torque, fuel flow rate, thermal efficiency, and Brake Specific Fuel Consumption. The test results show that at a temperature of 50^oC, the engine produced the highest power and torque at a rotational speed of 2600 rpm with a torque of 6.2 Nm and power output of 1.68 kW. At temperatures of 70^oC the highest thermal efficiency was observed along with reductions in fuel consumption and BSFC at the same engine speed, yielding a thermal efficiency of 34.04%, a fuel consumption rate of 1.128×10^-5 kg/s and a BSFC of 6.912×10^-5 g/kWh. These results suggest that a temperature of 50^oC is recommended for achieving high power and torque at high speeds, while temperature 70^oC is recommended for attaining high thermal efficiency and lower fuel consumption at high engine speeds.

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