Abstract
The current investigation examined how the combined use of Modified Operating Parameter (MOP) and Thermal Barrier Coating (TBC) enhanced the performance, combustion, and emission characteristics of a diesel engine running on Punnai oil fuel. In this study, it was found that the Punnai oil blended with diesel could effectively increase engine efficiency and decrease emissions under MOP and TBC. Based on the results of the testing, the 60 P (where P denotes the blend percentage of Punnai oil in Diesel) fuel blend proved to be the most efficient fuel blend for the engine in terms of Cylinder Pressure, Heat Release Rate (HRR), and Brake Thermal Efficiency (BTE) in comparison with the 70 P and 80 P fuel blends. Furthermore, the 60 P blend demonstrated lower emissions of Carbon Dioxide (CO2) and Hydrocarbons (HC) than the other blends, although it produced higher levels of Nitrous Oxide (NOx) and Smoke Opacity. The study indicates that utilizing a 60 P Punnai oil fuel could result in improved engine performance and reduced emissions.
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