@article{article_1691520, title={Investigation of the effect of nano manganese dioxide addition to cottonseed oil biodiesel-diesel fuel blends and its usability in diesel engines}, journal={International Journal of Automotive Engineering and Technologies}, volume={14}, pages={190–198}, year={2025}, DOI={10.18245/ijaet.1691520}, author={Aydın, Fatih and Şahin, Seda and Oğuz, Hidayet and Uçbeyiay, Havvanur}, keywords={biyodizel, pamuk tohumu yağı, yakıt özellikleri, nano manganez dioksit (MnO₂)}, abstract={This study examines the production of biodiesel from cottonseed oil, focusing on its use in diesel engines. The biodiesel was produced through transesterification using sodium hydroxide as a catalyst and methanol as the alcohol, with different fuel blends created by mixing it with diesel fuel. Some blends also included nano manganese dioxide (MnO₂). The properties of the biodiesel, including kinematic viscosity, flammability point, and cetane number, showed improvements with MnO₂ addition, while low temperature filterability limit, pour point, and freezing point decreased. The calorific value was lower compared to diesel, and the addition of MnO₂ did not significantly impact it. SEM analysis revealed MnO₂ nanoparticles with enhanced catalytic properties, which may improve biodiesel performance and reduce emissions. Overall, the study highlights the potential of cottonseed oil biodiesel and the role of MnO₂ nanoparticles in enhancing fuel properties and engine performance.}, number={3}, publisher={Murat CİNİVİZ}