Experiment Investigating the Effect of ZnO Nano-Particles on Diesel Engine Performance and Emissions
1
Department of Mechanical Engineering, College of Engineering, Al‐Nahrain University, Jadriya, Baghdad, Iraq
2
Al-Furat Al-Awsat Technical University, Technical College Al-Mussaib, Power Mechanics Techniques Engineering Department, Babylon 51006, Iraq
These authors had equal contribution to this work
Corresponding author
ansam adil الزبيدي
Department of Mechanical Engineering, College of Engineering, Al‐Nahrain University, Jadriya, Baghdad, Iraq
Department of Mechanical Engineering, College of Engineering, Al‐Nahrain University, Jadriya, Baghdad, Iraq
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ABSTRACT
This analytical study examines the synergistic effects of (ZnO) Nano-particles as fuel additives on the performance and emission characteristics of conventional diesel engines. Various concentrations of ZnO nanoparticles, varying from (50 - 200 ppm), were systematically blended with standard diesel fuel using advanced homogenization techniques, including ultra-sonication and magnetic stirring. Experimental trials were conducted on a single-cylinder, four-stroke diesel engine operating at a constant rotational speed under variable load conditions. The findings reveal a significant improvement in combustion efficiency attributable to the catalytic properties and oxygen-enhancing effects of the Nano-particles, which promote more complete fuel oxidation. The optimal nanoparticle concentration of 200 ppm yielded a maximum increase in
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