Utilizing the Sodium Engineering Research Facility (SERF), Tsurusoken conducts research and development toward the commercialization of future fast reactors such as the development of inspection and repair technology for fast reactors such as the development of inspection and repair technology for fast reactors characterized by high temperature and high radiation environment and research on sodium chemical reaction environment and research on sodium chemical reaction aimed at improving the safety of fast reactors.
Development of inspection and repair technology for fast reactors
Sodium, which is used as a coolant for fast reactors, has many excellent characteristics such as high thermal conductivity and compatibility with equipment and piping.
However, since sodium is opaque and easily reacts with water and air, and must be maintained at a high temperature to prevent its solidification, it is necessary to work remotely when trouble occurs. Based on those characteristics, we proceed with the development of inspection and repair technology in liquid sodium.
Inspection and repair technology is essential for safe operation and maintenance of fast reactors.
Loose parts recovery technology in sodium
Inspection technology with Electromagnetic Acoustic Transducer (EMAT)
Inspection technology with Eddy Current Testing (ECT)
Study on chemical reaction and properties of sodium
In order to improve the safety of fast reactors, it is necessary to understand the chemical reactions between leaked sodium and various substances in case of severe accidents.
In addition, we work on research on the chemical reactions and characteristics of sodium by studying on sodium management technology and sodium conversion technology at the decommissioning stage, clarifying of basic physical properties of sodium, and developing of applied technology to the industrial field.
Sodium-hydrogen jet combustion