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    News
    NEA working group holds annual meeting on prevention, mitigation and management of potential accidents

    NEA Working Group on the Analysis and Management of Accidents (WGAMA) held its annual meeting, hosted by the CEA and atttended by nearly 90 delegates from 19 member countries, along with representati...

    News brief CFD WGAMA Accident analysis and management Nuclear safety research CSNI Accident management …
    Published date: 30 September 2024
    Joint project
    Hydrogen Mitigation Experiments for Reactor Safety (HYMERES) Project

    Panda facility under construction. Photo courtesy of the Paul Scherrer Institute

    HYMERES phases

    First phase (2013-2016)

    The main objective of the first phase of the Hydrogen Mitigation Experiments fo...

    WGAMA Nuclear safety Accident analysis and management Thermal hydraulics Hydrogen Nuclear safety research Safety Accident management Safety research …
    Published date: 12 August 2024
    News
    Supporting the use of computational fluid dynamics for nuclear reactor safety

    NEA CFD-Task Group members discussed ongoing activities at a meeting hosted on 11-12 July 2024.

    News brief CFD WGAMA Nuclear safety Safety research …
    Published date: 18 July 2024
    News
    NEA committees make progress, share best practices in the safety assessment and regulation of nuclear facilities

    CSNI and CNRA meetings took place on 4-7 June.

    News brief WGAMA CNRA Nuclear safety Nuclear safety research CSNI Joint project Nuclear safety regulation Safety research …
    Published date: 17 June 2024
    News
    Advancing uncertainty analysis methods: Towards a broader and more consistent application in safety analysis and licensing

    BEPU 2024 conference took place in Italy.

    News brief WGAMA Nuclear safety research Uncertainty analysis
    Published date: 27 May 2024
    News
    Assessing the safety of spent fuel pools during a loss of cooling accident

    New NEA nuclear safety joint project 'Pool during Loss of Cooling Accident' (POLCA) launched during a meeting of 40 international experts on 9-10 April, 2024. (Photo: Large scale MIDI facility at IRS...

    News brief Fuel studies WGAMA Nuclear safety IRPS Spent fuel Joint project International co-operation Safety research …
    Published date: 13 May 2024
    NEA Document
    The FSI Benchmark Based on OKBM Experiments to Validate Coupled CFD and CSD Calculations - NEA Benchmark Exercise
    NEA/CSNI/R(2023)2

    This report provides the results of the fluid structure interaction (FSI) benchmark, which was developed and performed by the designer and engineering company OKBM as part of NEA and ROSATOM activiti...

    English CFD WGAMA Nuclear safety research CSNI Benchmark …
    Published date: 24 April 2024
    NEA Document
    NEA Specialist Workshop on Advanced Measurement Method and Instrumentation for Enhancing Severe Accident Management in a Nuclear Power Plant addressing Emergency, Stabilisation and Long-term Recovery Phases: Summary Report
    NEA/CSNI/R(2022)3

    The NEA Specialist Workshop on Advanced Measurement Method and Instrumentation for Enhancing Severe Accident Management in a Nuclear Power Plant addressing Emergency, Stabilisation and Long-term Reco...

    English WGAMA Nuclear safety research CSNI Accident management …
    Published date: 15 April 2024
    Publications and Reports
    CSNI Technical Opinion Paper No. 20 - Use of Computational Fluid Dynamics for Nuclear Safety

    This Technical Opinion Paper (TOP) studies the emerging use of computational fluid dynamics (CFD) as an additional tool for the evaluation of safety cases implying thermal hydraulics. CFD allows a fi...

    English CFD WGAMA Nuclear safety research Technical Opinion Papers …
    Published date: 11 March 2024
    Activity
    WGAMA ISP-52

    In the framework of the WGAMA/WGFS activity "Status Report on Good Practices for Analyses of Design Extension Condition without Significant Fuel Degradation (DEC-A) for Operating Nuclear Power Plants...

    Risk assessment WGAMA Nuclear safety Accident analysis and management Nuclear safety research Safety Accident management Safety research …
    Published date: 20 December 2023
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