Effects of Various Piston Bowl Shapes on the Performance of Compression Ignition Engines: A Review

Abstract

This paper delves into the intricate relationship between piston bowl geometry and the performance of compression ignition engines. By synthesizing existing research, the study aims to comprehensively examine the effects of diverse piston bowl shapes on combustion efficiency, emissions, thermal efficiency, and power output. Through a comparative analysis of various designs, this review paper identifies trends and patterns to provide insights into the most suitable shapes for specific performance objectives. While acknowledging the challenges associated with variables like engine type and operating conditions, the research emphasizes the undeniable influence of piston bowl shapes on the overall performance of compression ignition engines. Piston bowl shape constitutes a vital factor in determining the performance of Compression Ignition (CI) engines. This comprehensive review delves into the extensive body of research surrounding the effects of diverse piston bowl shapes on combustion efficiency, emissions, and overall engine performance. By examining the impact of re-entrant, open, toroidal, and hemispherical piston bowl designs, this review article sheds light on their role in shaping air-fuel mixing, turbulence, heat transfer, emissions control, and fuel efficiency within CI engines. The study synthesizes findings from computational simulations, experimental investigations, and real-world applications to unveil the intricate correlations between piston bowl geometry and CI engine performance.