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    Joint project
    Sandia Lower Head Failure Project

    Post-test view inside OLHF-4 vessel showing penetrations and resolidified weld material at the vessel bottom.

     

    During a severe accident, the lower head of a reactor pressure vessel (RPV) can be subj...

    Accident analysis and management Nuclear safety research Joint project
    Published date: 27 October 2023
    Joint project
    Second Framework for Irradiation Experiments (FIDES‑II)

    The NEA Second Framework for Irradiation Experiments (FIDES-II) supports the fuel and material experimental needs of nuclear safety regulators, technical support organisations, research institutions ...

    Fuel in nuclear safety Nuclear fuel Nuclear science FIDES Nuclear safety research Accident tolerant fuels Reactor fuel performance …
    Published date: 2 April 2025
    Joint project
    SESAR Thermal-Hydraulics (SETH) Project

    Scheme of the PKL facility, Framatome GmbH.

     

    The SESAR Thermal-hydraulics (SETH) Project began in 2001 and consisted of thermal-hydraulic experiments in support of accident management, which were ca...

    Thermal hydraulics Nuclear safety research Joint project Accident management
    Published date: 2 October 2023
    Joint project
    Sorption Project

    Sorption is a combination of physical and chemical processes by which the migration of radionuclides in the geosphere (and possibly from a radioactive waste repository) can be slowed down under certa...

    Sorption Project Thermodynamics Thermodynamic data Joint project
    Published date: 28 May 2020
    Joint project
    Source Term Evaluation and Mitigation (STEM) Project

                                                                                      EPICUR facility, IRSN.

     

    On this page

    • STEM phases
      • First phase (2011-2015)
      • Second phase (2016-2019)

    STEM phases

    First phase (2011-2015)

    The STEM Project was initiated with a first phase in 20...

    Accident analysis and management Nuclear safety research CSNI Safety Safety research …
    Published date: 27 October 2023
    Joint project
    Steam Explosion Resolution for Nuclear Applications (SERENA) Project

    Image at melt distribution and its contour at MBC (KAERI).

     

     

    The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Analysis and Management of Accidents (WGAMA) initiated a co...

    Risk assessment Accident analysis and management Nuclear safety research
    Published date: 2 October 2023
    Joint project
    Stress Corrosion Cracking and Cable Ageing Project (SCAP)

    Fire protection layer for electrical cables

     

    The Stress Corrosion Cracking and Cable Ageing Project (SCAP) lasted four years (2006-2010). The project’s main objectives were to:

    • establish two comple...
    Nuclear safety research LTO Joint project Safety of components and structures
    Published date: 21 February 2024
    Joint project
    Studsvik Cladding Integrity Project (SCIP)

    Left: Scheme of Studsvik LOCA test facility Right: Microstructure of fragmented nuclear fuel, Studsvik

    On this page

    • SCIP phases
      • First phase (2004-2009)
      • Second phase (2009-2014)
      • Third phase (2014-2...
    Fuel in nuclear safety Nuclear fuel Fuel cycle facility safety Nuclear safety research CSNI Back-end …
    Published date: 3 February 2025
    Joint project
    Studsvik Material Integrity Life Extension (SMILE) Project

    Studsvik’s pool facility for storage and inspection of SMILE materials, left: 29 tonnes transportation flask, three pools each about 8 meters deep; and right: pool-in-pool for cutting and inspections...

    Long-term operation Nuclear safety research LTO Safety of components and structures
    Published date: 4 February 2025
    Joint project
    THAI Experiments on Mitigation measures, and source term issues to support analysis and further Improvement of Severe accident management measures (THEMIS) Project

    Multi-compartment THAI+ test facility, Becker Technologies GmbH.

     

    In the wake of the NEA THAI project, conducted in three phases from 2007 until 2019, a new project, THAI Experiments on Mitigation m...

    Fission products Accident analysis and management Thermal hydraulics Hydrogen Nuclear safety research Joint project Accident management …
    Published date: 4 February 2025
    Joint project
    Thermal-hydraulics, Hydrogen, Aerosols and Iodine (THAI) Project

    Scheme of the THAI+ facility, Becker Technologies.

     

    The experimental investigations carried out in the frame of the THAI (2007-2009), THAI-2 (2011-2014) and THAI-3 (2016-2019) projects contributed s...

    Fission products Accident analysis and management Thermal hydraulics Nuclear safety research Joint project Accident management …
    Published date: 2 October 2023
    Joint project
    Thermochemical Database (TDB) Project

    The Thermochemical Database (TDB) Project develops a reference database of chemical thermodynamic values for elements and compounds relevant to the safety of radioactive waste repositories and vital ...

    Thermodynamics TDB Radioactive waste management Data Bank Thermochemical database Joint project Chemical thermodynamic series …
    Published date: 28 May 2020
    Joint project
    Thermodynamic Characterisation of Fuel Debris and Fission Products Based on Scenario Analysis of Severe Accident Progression (TCOFF)

    Image: Microscopic examination of U-bearing particles collected at Fukushima-Daiichi, JAEA

    TCOFF Phases

    First Phase (2017-2020)

    The Thermodynamic Characterisation of Fuel Debris and Fission Products ...

    Nuclear science Fission products Fukushima Thermodynamic data Nuclear safety research Safety research …
    Published date: 5 May 2025
    Joint project
    Thermodynamics of Advanced Fuels - International Database (TAF-ID)

    On this page

    • TAF-ID Project
    • TAF-ID database: working and public versions
    • Goals of the TAF-ID project phases
    • Why is thermodynamic data for analyses involving nuclear fuel needed?
    • How is thermodynami...
    Material science Structural materials Fuel studies Nuclear science Materials science Thermodynamic data TAF-ID …
    Published date: 5 May 2025
    Joint project
    Thermodynamics of Advanced Fuels – International Database (TAF-ID) public version

    The TAF-ID public version contains only data already published in open literature. Currently, the following systems are available in the public version:

    • oxide-carbide fuel (U-Pu-O-C, released Decemb...
    Material science Fuel studies Nuclear science Materials science Thermodynamics Thermodynamic data Databases TAF-ID Codes and programs …
    Published date: 5 May 2025
    Joint project
    Three Mile Island Reactor Pressure Vessel Investigation Project (TMI-VIP)

    Long-handled tools are used to remove the damaged core from the TMI unit 2 reactor in the US. Samples taken from the fuel and the reactor vessel are examined to provide information about the Behaviou...

    Three Mile Island Accident analysis and management Nuclear safety research Joint project
    Published date: 21 February 2024
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