TY - JOUR A2 - Cai, Jiejin AU - Zhang, Peng AU - Wang, Kan AU - Yu, Ganglin PY - 2014 DA - 2014/03/10 TI - A Simplified Supercritical Fast Reactor with Thorium Fuel SP - 405654 VL - 2014 AB - Super-Critical water-cooled Fast Reactor (SCFR) is a feasible option for the Gen-IV SCWR designs, in which much less moderator and thus coolant are needed for transferring the fission heat from the core compared with the traditional LWRs. The fast spectrum of SCFR is useful for fuel breeding and thorium utilization, which is then beneficial for enhancing the sustainability of the nuclear fuel cycle. A SCFR core is constructed in this work, with the aim of simplifying the mechanical structure and keeping negative coolant void reactivity during the whole core life. A core burnup simulation scheme based on Monte Carlo lattice homogenization is adopted in this study, and the reactor physics analysis has been performed with DU-MOX and Th-MOX fuel. The main issues discussed include the fuel conversion ratio and the coolant void reactivity. The analysis shows that thorium-based fuel can provide inherent safety for SCFR without use of blanket, which is favorable for the mechanical design of SCFR. SN - 1687-6075 UR - https://doi.org/10.1155/2014/405654 DO - 10.1155/2014/405654 JF - Science and Technology of Nuclear Installations PB - Hindawi Publishing Corporation KW - ER -