O-arai Engineering Center(OEC) System Engineering Technology

Research and development to advance the basic and the applied technologies needed to enable cost-competitive,safe and reliable fast breeder reactors are extensively conducted in Oarai Engineering Center.Major areas of activity include: Nuclear System Safety and Reliability Assesment Technology Thermal-hydraulics Evaluation Technology Structures and Materials Evaluation Technology Nuclear Fuel Evaluation Technology Core Physics Technology

Typical research product examples: Risk analysis for fast breeder reactors Thermal fluctuation analysis for mixed hot and cold sodium flows Buckling of piping bellows subjected to internal pressure (a comparison between analysis and experiment) Thermal performance analysis for a fuel pin power-to-melt irradiation test conducted at JOYO JUPITER* experiments for large fast breeder cores at the Zero-Power Physics Reactor at Argonne National Laboratory,Idaho,U.S.A. *Japan-United States Program of Integral Tests and Experimental Researches High power electron linac to be applied for the future transmutation system of radioactive wastes