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    Activity
    Working Group on Fuel Cycle Safety (WGFCS)

    The objective of the Working Group on Fuel Cycle Safety (WGFCS) is to advance the understanding of relevant aspects of nuclear fuel cycle safety, including: uranium mining and milling; uranium refini...

    WGFCS Fuel cycle facility safety Nuclear safety research CSNI Safety Nuclear fuel cycle …
    Published date: 13 August 2024
    NEA Document
    Status Report on Fuel Safety Implications of Extended Enrichment and High Reactivity/High Suppression Core Designs: A Report from the Working Group on Fuel Safety (WGFS)
    NEA/CSNI/R(2023)4

    Rising international interest in increasing fuel burnup limits and fuel cycle length may require fuel enrichment above 5% and high reactivity/high suppression core designs. Based on this interest in ...

    Nuclear fuel Fuel studies Nuclear safety Nuclear safety research CSNI PRG CSNI Safety WGFS …
    Published date: 31 July 2024
    NEA Document
    Review of High Burn-up RIA and LOCA Database and Criteria
    NEA/CSNI/R(2006)5

    This document is intended to provide regulators, their technical support organisations and industry with a concise review of existing fuel experimental data at reactivity-initiated accident (RIA) and...

    Fuel in nuclear safety English Nuclear safety research CSNI WGFS …
    Published date: 25 July 2024
    NEA Document
    NEA Leak Before-Break Benchmark Phase 1 Final Report
    NEA/CSNI/R(2021)13

    Participants from 14 organisations, representing 11 countries, performed the benchmark exercise. Each participant provided a high-level summary of the leak-before-break (LBB) requirements in their co...

    Nuclear installations Nuclear safety Nuclear safety research CSNI PRG CSNI Safety Safety research WGIAGE Benchmark …
    Published date: 20 June 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
    NEA Document
    Preparatory Study on Analysis of Fuel Debris (PreADES Project): Summary Report
    NEA/CSNI/R(2022)7

    The tsunami that followed the Great East Japan earthquake on 11 March 2011 led to beyond design-basis accidents at Units 1, 2 and 3 of the Fukushima Daiichi Nuclear Power Plant even though they had b...

    Fuel studies Fukushima Nuclear safety Nuclear technology Nuclear safety research CSNI PRG CSNI Joint project Safety Accident management …
    Published date: 11 June 2024
    NEA Document
    Benchmark on External Events Hazard Frequency and Magnitude Statistical Modelling
    NEA/CSNI/R(2021)10

    At its 61st meeting, the CSNI approved the recommended task on the benchmark on external events hazard frequency and magnitude statistical modelling, to be pursued by the WGEV. Modelling of these ext...

    Fukushima Nuclear safety External hazards Nuclear technology WGEV Nuclear safety research CSNI PRG CSNI Joint project Safety Benchmark …
    Published date: 11 June 2024
    NEA Document
    NEA PKL-4 Project Summary Report
    NEA/CSNI/R(2022)6

    In continuation of the NEA-guided experimental programmes at the PKL test facility in Germany operated by Framatome GmbH, the fourth phase of the NEA PKL project was conducted between June 2016 and S...

    Nuclear safety Nuclear safety research CSNI PRG CSNI Safety …
    Published date: 11 June 2024
    NEA Document
    Status of Simulation Capability of 3D System-scale Thermal-hydraulic (TH) Analysis Codes
    NEA/CSNI/R(2020)6

    This report aims to establish the status of current 3D capabilities in T/H system codes, covering all aspects and limitations, including the equations and simplifications considered, the time and spa...

    Nuclear safety Thermal hydraulics CSNI PRG CSNI Joint project Safety Safety research …
    Published date: 28 May 2024
    Joint project
    Component Operational Experience, Degradation and Ageing Programme (CODAP)

    Feeders on the Reactor Face in the Feeder Cabinet Photo: Canadian Nuclear Safety Commission (CNSC)

    The Component Operational Experience, Degradation and Ageing Programme (CODAP) combines the follow-u...

    Nuclear safety research LTO CSNI Safety of components and structures
    Published date: 2 May 2024
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