Thermohydraulic features of the use of U3Si LEU fuel in low-power research reactors

The thermohydraulic behavior of the U3Si as a LEU fuel for Low-Power research reactors was investigated through the simulation of the design basis accident for this reactor. Results prove the usability of the fuel in this type of reactor in both normal daily operation and accident conditions. The feedback coefficients were calculated by the BMAC system. The reactor can run safely in both HEU and LEU fuels cases. Higher temperatures and power excursions are obtained in the case of the LEU fuel.