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    Joint project
    International Common-cause Failure Data Exchange (ICDE) Project

    Scheme showing the technical scope of NEA ICDE project activities, NEA 

    Common-cause failure (CCF) events can significantly affect the availability of safety systems of nuclear power plants. In recog...

    Risk assessment Nuclear safety research CSNI Probabilistic risk assessment
    Published date: 4 April 2025
    News
    Shaping the future of nuclear safety: 25 years of work on risk assessment

    The NEA Working Group on Risk Assessment met in Paris to mark its 25th anniversary and to discuss the ongoing and future activities.

    Risk assessment News brief WGRISK Nuclear safety Nuclear safety research Safety assessment Safety Probabilistic risk assessment …
    Published date: 31 March 2025
    News
    Advancing the CSNI Code Validation Matrix: Extension for novel technologies

    The CSNI Code Validation Matrix (CCVM) is a repository of nuclear data and identified phenomena used to run tests, experiments and other procedures to ensure safety assessments and related operationa...

    News brief Accident analysis and management Nuclear safety research Safety assessment CSNI Safety Risk Risk assessment Accident management …
    Published date: 25 March 2025
    Activity
    Working Group on Analysis and Management of Accidents (WGAMA)

    The Working Group on the Analysis and Management of Accidents (WGAMA) focuses on the NEA activities related to potential design-basis and beyond design-basis accidents in nuclear reactors and related...

    Risk assessment WGAMA Accident analysis and management Nuclear safety research CSNI Safety Accident management Risk …
    Published date: 4 February 2025
    Joint project
    High Energy Arcing Fault Events (HEAF) Project

    A cabinet containing copper bus before the HEAF test (left) and after the test(right). Source: NRC

    Massive electrical discharges, referred to as high energy arcing faults (HEAF), have occurred in nuc...

    Risk assessment Electrical systems Fuel cycle facility safety Safety of electrical systems Nuclear safety research CSNI …
    Published date: 3 February 2025
    Joint project
    Fire Risk Assessment through Innovative Research (FAIR) Project

    Scheme of the DIVA Facility, ASNR

     

    Fire is a significant contributor to overall core damage frequency for both new and old nuclear reactor designs. Furthermore, it may severely affect plant safety i...

    Risk assessment Fuel cycle facility safety Safety of electrical systems Nuclear safety research Joint project Safety research …
    Published date: 3 February 2025
    NEA Document
    Status Report on Reliability of Thermal-Hydraulic Passive Systems
    NEA/CSNI/R(2021)2

    Passive thermal-hydraulic systems are widely used in nuclear reactor safety and design. For example, primary circuits in existing boiling and pressurised water reactors are designed to take advantage...

    English WGAMA WGRISK Nuclear safety Accident analysis and management Nuclear technology Nuclear safety research CSNI PRG CSNI Safety Risk assessment Thermal hydraulics Accident management …
    Published date: 26 November 2024
    Activity
    CSNI Programme Review Group (CSNI PRG)

    The Programme Review Group is established to perform a programme quality review function within the Committee on the Safety of Nuclear Installations (CSNI) and to provide scientific assistance to the...

    Fuel in nuclear safety Risk assessment Accident analysis and management Fuel cycle facility safety Safety of electrical systems External hazards and nuclear safety Nuclear safety research CSNI PRG CSNI Safety of components and structures …
    Published date: 13 August 2024
    News
    Testing and validating the safety assessments of small modular reactors

    The NEA chaired the Interregional Workshop on Experimental Testing and Validation for Design and Safety Analysis Computer Codes for Small Modular Reactors organised by the International Atomic Energy...

    Risk assessment SMR News brief Nuclear safety Nuclear safety research …
    Published date: 8 July 2024
    Activity
    Working Group on Risk Assessment (WGRISK)

    The Working Group supports improved uses of Probabilistic Safety Assessment (PSA) in risk-informed regulation and safety management through the analysis of results and the development of perspectives...

    Risk assessment WGRISK Nuclear safety research CSNI Safety …
    Published date: 13 March 2024
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