Experimental Analysis of a Ci Engine Fueled with Waste Agricultural Biodiesel at Higher Compression Ratio
Keywords:
CI Engine, Biodiesel Blend, Higher Compression Ratio, Effects on Performance and EmissionsAbstract
Using a waste agricultural biodiesel, the performance, combustion, and emissions characteristics of a compression ignition engine were computed and examined in this study. The tests were carried out in steady state for a four-stroke single-cylinder diesel engine that was loaded at 1500 rpm. Using a BD20 biodiesel blend, the current experiment investigates the impacts of compression ratio. Biodiesel properties such as density, kinematic viscosity, cetane number, calorific value, flash point, and fire point were investigated and the results assessed in the lab. The engine was kept at varied compression ratios during actual experimental testing of a CI engine using biofuel blend, namely 18, 19, and 20. The engine load is changed between zero and full load. Taguchi method is used to design the experiment. Higher compression ratios result in higher cylinder temperatures, which increase vaporization and performance to a degree. However, because of the high operating temperature, carbon monoxide and unburned hydrocarbon emissions increase with CR, while carbon monoxide and unburned hydrocarbon emissions decrease. So, the main objective is to check the optimum compression ratio and to obtain minimum specific fuel consumption, better efficiency and lesser emission with higher compression ratio. The analysis shows optimum performance with lower emission at a CR of 20 and load 100%.
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Copyright (c) 2022 Nituraj Padmakar Hargude
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