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    Uncertainty analysis
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    Activity
    Benchmark for Uncertainty Analysis in Best-Estimate Modelling for Design, Operation and Safety Analysis of Light Water Reactors (LWR-UAM)

    The goal of the Benchmark for Uncertainty Analysis in Best-Estimate Modelling for Design, Operation and Safety Analysis of Light Water Reactors (LWR-UAM) is to determine the uncertainty in light wate...

    Modelling and simulation Reactor physics Light water reactors Verification and validation Validation Uncertainty quantification Uncertainty analysis Benchmark Reactor physics Pressurised water reactors …
    Published date: 22 June 2022
    NEA Document
    BEMUSE Phase VI Report: Status Report on the Area, Classification of the Methods, Conclusions and Recommendations
    NEA/CSNI/R(2011)4

    The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme, promoted by the Working Group on Analysis and Management of Accidents (WGAMA) and endorsed by the Committee on t...

    English WGAMA Nuclear safety research Uncertainty analysis CSNI …
    Published date: 28 March 2011
    NEA Document
    Evaluation of Uncertainties in Relation to Severe Accidents and Level-2 Probabilistic Safety Analysis: Workshop Proceedings
    NEA/CSNI/R(2007)2

    Uncertainty in relation to several severe accident phenomena plays a major role in probabilistic safety analyses involving beyond-design-basis accident scenarios for nuclear power plants. The technic...

    English Risk assessment WGRISK Accident analysis and management Uncertainty quantification Nuclear safety research Uncertainty analysis CSNI …
    Published date: 26 January 2022
    NEA Document
    BEMUSE Phase V Report: Uncertainty and Sensitivity Analysis of a LB-LOCA in ZION Nuclear Power Plant
    NEA/CSNI/R(2009)13

    The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme, promoted by the Working Group on Accident Management and Analysis (WGAMA) and endorsed by the Committee on the S...

    English WGAMA Nuclear safety research Uncertainty analysis CSNI …
    Published date: 21 December 2009
    NEA Document
    BEMUSE Phase III Report: Uncertainty and Sensitivity Analysis of the LOFT L2-5 Test
    NEA/CSNI/R(2007)4

    The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme promoted by the Working Group on Accident Management and Analysis (WGAMA) and endorsed by the Committee on the Sa...

    English WGAMA Nuclear safety research Uncertainty analysis CSNI …
    Published date: 11 October 2007
    Activity
    Deterministic Time-Dependent Neutron Transport Benchmark without Spatial Homogenisation (C5G7-TD)

    To ensure reliable modelling of neutron physics within a state-of-the-art transient code, the neutron kinetics part of such a code should be based on the full-scale calculation of the space-time neu...

    Transport Verification and validation Verification Radiation Uncertainty quantification Uncertainty analysis Benchmark Reactor physics …
    Published date: 10 November 2021
    Activity
    Expert Group on Uncertainty Analysis in Modelling (EGUAM)

    The expert group provided advice to the Working Party on Scientific Issues of Reactor Systems (WPRS) on the scientific development needs (data and methods, validation experiments, scenario studies) o...

    EGUAM Boiling water reactors Nuclear science Light water reactors WPRS Reactor physics Modelling and simulation Reactor physics Uncertainty quantification Uncertainty analysis Benchmark Pressurised water reactors …
    Published date: 27 October 2021
    Activity
    Pressurised Water Reactor Main Steam-Line Break (MSLB) Benchmark

    This benchmark incorporated full 3-D modelling of the reactor core into system transient codes for best-estimate simulations of the interactions between reactor core behaviour and plant dynamics and ...

    Modelling and simulation Thermal hydraulics Verification and validation Nuclear safety research Uncertainty analysis Safety of components and structures Benchmark Thermal hydraulics and mechanics …
    Published date: 26 July 2021
    Activity
    Boiling Water Reactor Turbine Trip (BWRTT) Benchmark

    The Boiling Water Reactor Turbine Trip (BWRTT) Benchmark was established to challenge the coupled system thermal-hydraulic/neutron kinetics codes against a Peach-Bottom-2 (a GE-designed BWR/4) turbin...

    Thermal hydraulics Verification and validation Verification Uncertainty quantification Uncertainty analysis Reactor physics …
    Published date: 26 July 2021
    Publications and Reports
    Addressing Uncertainties in Cost Estimates for Decommissioning Nuclear Facilities

    The cost estimation process of decommissioning nuclear facilities has continued to evolve in recent years, with a general trend towards demonstrating greater levels of detail in the estimate and more...

    English Decommissioning Cost estimation Dismantlement Radioactive waste management Uncertainty analysis International Structure for Decommissioning Costing (ISDC) …
    Published date: 28 September 2017
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