Analisa Pengaruh Pencampuran Bahan Bakar Dexlite dan Etanol Secara Langsung terhadap Performansi Mesin Diesel dan Emisi Gas Buang

Abstract

The world's increasing dependence on fossil fuels consumes more limited fossil energy than renewable energy, especially in the field of transportation, thus contributing most of the carbon dioxide emissions worldwide. Therefore, renewable energy is considered to be one of the most promising solutions in overcoming the energy crisis in the world, one of the renewable energy that has high potential is ethanol. This type of renewable energy has the efficiency to reduce carbon dioxide emissions and greenhouse gas emissions. This study analyzes the effect of ethanol and Dexlite blending on diesel engine performance and exhaust emissions by using a variety of ethanol blends with a percentage of 0% (DE0), 5% (DE5), 10% (DE10) and 15% (DE15) and the load used is 400 watts, 800 watts, 1200 watts and 1600 watts. The results show that the highest effective power in pure Dexlite (DE0) is 2309.33 watts, while after blending ethanol, the highest is in DE5 with 1921.78 watts. The highest torque was obtained at DE0 (6.42 Nm) and DE5 (5.74 Nm) after ethanol blending. Fuel consumption was highest at DE15 (1089.69 g/KWH) and lowest at DE0 (348.48 g/KWH). Thermal efficiency was highest at DE0 (24.02%), decreasing at DE5 (20.33%) after blending. CO and CO2 emissions also showed a decrease, with DE5 producing the lowest emissions in CO (0.06%) and CO2 (3.1%). Overall, blending ethanol with Dexlite affected engine performance and exhaust emissions.