Performance and Emission Characteristics of a Compression Ignition Engine Fueled With Roselle and Karanja Biodiesel
2021
Abstract Biodiesel is one of the most potential sustainable power sources to fulfill the energy demand of the world shortly. The novelty of this research work is to discuss the new biodiesel derived from roselle seeds as a promising alternative fuel for a diesel engine. In this research work, engine characteristics were examined by using diesel, roselle biodiesel, and karanja biodiesel as fuel in diesel engines by varying the compression ratio under different engine load conditions. The results showed that brake thermal efficiency is improved by 4.53% and 4.87%, while a reduction in brake specific fuel consumption was recorded by 4.31% and 5.30% for karanja and roselle biodiesel, respectively. Smoke and carbon dioxide emission decreased while oxide of nitrogen emission increased for both biodiesels at higher compression ratio and at full load conditions. Therefore the experimental result proved that roselle and karanja biodiesel could be the most potential alternative fuel for a diesel engine.
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