Energy and Environmental Performance Enhancement of Radial Four-Stroke Diesel Engines by using Synergistic Staging Configurations
Keywords:
Diesel engine, Engine performance, Swirl ratios, Sectioning numbersAbstract
The effects of sectioning numbers on a 1500 RPM radial six-cylinder diesel engine with a 150 mm bore, 180 mm piston stroke, and a 15:1 compression ratio is examined in this study. The results of tests conducted under typical conditions (288 K, 1 bar) were evaluated for sectioning numbers ranging from 2 to 10. According to the specifications of the intake system, the gas velocity went from 15 m/s to 80 m/s, but the average intake manifold pressure stayed the same at 1.9 bar. The air-fuel ratio, cylinder pressure-temperature angles, and swirl ratios were all kept constant. As the number of sections increased linearly, the maximum gas force acting on the piston also increased, suggesting an improvement in performance. Improvements in combustion were indicated by an increase in exhaust gas temperature from 746 K to 775 K and a drop in average exhaust manifold gas pressure due to lower sectioning numbers, according to the exhaust parameters. According to ecological research, the best environmental performance is achieved with a sectioning number of 10, and emissions decrease as the number of sections increases. Complying with air pollution rules and demonstrating the advantages of sectioning modifications for increased engine performance and sustainability, this design decreased emissions.
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