Simulation of spatial fuel assay using HANARO neutron beam

A sensitivity simulation of neutron tomography was performed for the analys is of the spatial distribution of nuclear materials in the HANARO fuel rod. The internal distribution of the nuclear materials in the fuel rod is very important for the increase of the safety and economics of fuel burnup in t he reactor. The neutron radiography facility installed at HANARO will be us ed for the spatial fuel analysis with a real-time image processing system. Monte Carlo simulation was performed to study the feasibility and sensitivi ty of the HANARO neutron beam for the spatial fuel assay and to find the op timum conditions for neutron detection. From the sensitivity simulation,the location of the nuclear materials in the rod was evident as expected. (C) 2000 Elsevier Science Ltd. All rights reserved.