Alkan, MahmutAcir, Adem2024-11-072024-11-0720131302-09002147-9429https://doi.org/10.2339/2013.16.4,135-138https://hdl.handle.net/11480/14802In this study, the neutronic performance analysis in a fixed bed modular nuclear reactor (FBNR) was performed. The effect of the (Pu-239/Th)O-2 mixture fuel of neutronic performance were investigated. Neutronic calculations were conducted by using SCALES code. Firstly, criticality (k(eff)) value compared 9 % enrichment UO2 was computed. The mixture fuel ratio was obtained as % 6 (PuO2)-Pu-239 + % 94. As a result, the operation times passed until the k(eff) value reached a level of 1.06 was computed as similar to 5 year whereas, the corresponding burnup value wase obtained as similar to 33 000 MWD/T.trinfo:eu-repo/semantics/closedAccessFixed bed nuclear reactor (FBNR)ThoriumFissile fuelArticle16413513810.2339/2013.16.4,135-138WOS:000447828600002N/A