Energy, Exergy, and Emission Analysis of Biofuels in Compression Ignition Engine with Camphor Oil as Premixing Fuel

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Wiley-V C H Verlag Gmbh

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This article aims to study the impact of camphor oil premixing with intake air on compression ignition (CI) engine characteristics powered with jatropha oil and cottonseed oil. The experiment is conducted on the direct injection compression engine attached to the premixing setup. The investigation reveals that premixing of camphor oil with cottonseed oil and jatropha oil escalates the thermal brake efficiency to 35.02% and 33.62% and brings down the brake-specific energy consumption to 10.27 and 10.70 kJ kWh-1. At all loading conditions, the premixing of camphor oil and the rise of camphor oil in premixing proportions increase the volumetric efficiency and cut the exhaust gas temperature. 20% premixing of camphor oil with cottonseed oil and jatropha oil drops the smoke opacity emissions by 22.23% and 11.86% and NO emission by 23.27% and 14.59%, respectively, at full load conditions. Further, it shows a 27.60% and 21.14% hike in CO emissions and a 31.34% and 31.87% hike in HC emissions at full load conditions. The in-cylinder pressure, heat release rate, and mean gas temperature increase with increasing the energy share of camphor oil in premixing. Overall, the premixing of camphor oil shows better CI engine attributes except HC and CO emissions. The premixing of camphor oil in air intake systems while compression ignition engines are powered with biofuels elevates the thermal efficiency, volumetric efficiency, and exergy efficiency and curtails nitric oxide and smoke emissions while increasing carbon monoxide and hydrocarbon emissions.image (c) 2023 WILEY-VCH GmbH


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Camphor Oils, Cottonseed Oils, Cyclic Variations, Engine Characteristics, Exergies, Jatropha Oils, Premixing


Energy Technology

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