Investigation of Impact of CeO2 nanoparticles blended in Nano-emulsion on efficiency and exhaust emission of diesel engine
Keywords:CeO2 Nanoparticles, Internal Combustion Engine, Nano-Emulsion
Cerium oxide (CeO2) nanoparticle was added to prepared water in diesel Nano-emulsion to
study its effect on exhaust emission and performance of diesel engine characteristics between
neat diesel, Nano-emulsion and Nano-emulsion+ CeO2. Since water and diesel are immiscible,
mixed span and Tween 80 surfactants are used for preparation of stable Nano-emulsion.
Central composite design, Response surface method is used for optimization process of
preparation of Nano-emulsion at optimum suitable condition designed by Design Expert
Dispersed Water present of Nano size effect directly on diesel fuel characteristics in
compression ignition engine, contributes on reduction of NOx and smoke emission and better
thermal efficiency, but accompanied by little increase in HC and CO emission and fuel
CeO2 nanoparticles at three levels (50, 100 and 150 ppm) to optimize Nano-emulsion added
and mixed by high energy homogenizer. All diesel, Nano-emulsion and Nano-emulsion+ CeO2
are examined by Engine run at 400 bar and 1500 rpm with different load.
Improvement in reduction fuel consumption and thermal efficiency are obtained. Exhaust
emission (NOx, HC and CO) and smoke reduced much more are observed with CeO2
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