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Nuclear Safety Technology Group
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Overview

   We are engaged in the following topics
  1. Radiation Safety
    • Radiation Shielding

      •     - Benchmark experiment (duct streaming and bulk shield) and analysis
          - Code development(simplified methods andauxiliary system
             for deterministic methods)
    • Radiation Measurement

      •     - Extensive experience in neutron and gamma ray measurement
          - Dosimetry by using TLD material
          - Application to medicine and other new filed
  2. Thermal Hydraulics Safety
    • Marine Reactor Safety under Rolling Motion

      •     - Experiment and analysis
    • Effects of Thermal-Hydraulic Behaviors in Nuclear Power Plants on Plant Aging
  3. System Safety
    • Probabilistic Safety Assessment

      •     - Development of System Reliability Analysis Methodology GO-FLOW
             and its application to various system
    • Human Factor

      •     - Development of innovative methods for next generation control system
             of nuclear power plants
  4. Other
    • Support competent authority (Ministry of Land, Infrastructure and Transportation) of maritime transport of radioactive materials

      •     - Safety review of exclusive shipping vessels and transport casks
          - Emergency response in the case of maritime transport accidents
             involving radioactive material
    • Basic study for maritime utilization of small reactors

      •     - Propulsion, heat supply, electricity supply, and sea water desalination
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Contact:odano@nmri.go.jp