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Journal of Engineering Research

Journal of Engineering Research

Abstract

The extensive consumption of petroleum fuel directly correlates with both hazardous exhaust emissions affecting human health and contributing to global warming. Initially, biodiesel fuels were proposed as a viable alternative to address these issues. This perspective finds support in numerous published studies that highlight how the significant catalytic effect of nanoparticles allows for their integration into biodiesel blends, resulting in improved combustion characteristics, reduced exhaust emissions, and enhanced performance. This study investigates the impact of additives on biodiesel fuel properties and its effects on engine performance metrics such as brake power, brake thermal efficiency, exhaust gas concentration, engine vibration, and noise levels. In this work, we extracted the majority of previous research findings from specific studies. The inclusion of additives leads to increased concentrations of carbon dioxide (CO2) and NOx, as well as enhanced brake power and brake thermal efficiency. It also reduces the amount of gasoline consumed during braking, exhaust gas temperature, vibration, noise, hydrocarbons, carbon monoxide (CO), and smoke emissions. The comprehensive review concludes definitively that the compromised engine performance, combustion, and emission characteristics of biodiesel-diesel blends can be effectively restored through the addition of nanoparticles.

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