@article{Hamadi_Khidhir_2021, title={Investigation of Impact of CeO2 nanoparticles blended in Nano-emulsion on efficiency and exhaust emission of diesel engine}, volume={11}, url={https://jprs.gov.iq/index.php/jprs/article/view/430}, DOI={10.52716/jprs.v11i1.430}, abstractNote={<p>Cerium oxide (CeO2) nanoparticle was added to prepared water in diesel Nano-emulsion to<br>study its effect on exhaust emission and performance of diesel engine characteristics between<br>neat diesel, Nano-emulsion and Nano-emulsion+ CeO2. Since water and diesel are immiscible,<br>mixed span and Tween 80 surfactants are used for preparation of stable Nano-emulsion.<br>Central composite design, Response surface method is used for optimization process of<br>preparation of Nano-emulsion at optimum suitable condition designed by Design Expert<br>software.<br>Dispersed Water present of Nano size effect directly on diesel fuel characteristics in<br>compression ignition engine, contributes on reduction of NOx and smoke emission and better<br>thermal efficiency, but accompanied by little increase in HC and CO emission and fuel<br>consumption.<br>CeO2 nanoparticles at three levels (50, 100 and 150 ppm) to optimize Nano-emulsion added<br>and mixed by high energy homogenizer. All diesel, Nano-emulsion and Nano-emulsion+ CeO2<br>are examined by Engine run at 400 bar and 1500 rpm with different load.<br>Improvement in reduction fuel consumption and thermal efficiency are obtained. Exhaust<br>emission (NOx, HC and CO) and smoke reduced much more are observed with CeO2<br>nanoparticle.</p>}, number={1}, journal={Journal of Petroleum Research and Studies}, author={Hamadi, Dr. Adel Sharif and Khidhir, Ali Ghufran}, year={2021}, month={Mar.}, pages={69-83} }