Experimental analysis and numerical simulation of the performance parameters of pyrolytic tire oil in a compression ignition engine.

The search for alternative solutions for non-fossil fuels has led to several studies worldwide. This study focuses on environmentally responsible solutions to accelerate tire degradation, focusing on the transformation of these residues into fuel for diesel engines. The objective of this study was to experimentally evaluate, through numerical simulation, the performance of a compression ignition engine operating with Diesel S10, crude and refined pyrolytic tire oil, and mixtures in proportions of 20, 40, and 60% with Diesel oil. The experimental tests were performed on a single-cylinder engine coupled to a dynamometer bench, and the numerical simulation was performed using the Diesel Engine RK software. The experimental results indicated that increasing the proportion of refined pyrolytic oil in diesel slightly improves engine performance up to approximately 2750 RPM, after which the performance is reduced compared to pure Diesel. The addition of crude pyrolytic oil slightly improves engine performance throughout the engine operating range compared to pure diesel. The simulation results revealed performances similar to those obtained experimentally, with a highlight on the 20% blend ratio, which behaved similarly to Diesel. The research is relevant because valuable results were obtained in the search for more sustainable alternatives in the context of compression ignition internal combustion engines.