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    Criticality safety
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    Event
    International Conference on Nuclear Criticality Safety (ICNC) 2023
    1 - 6 October 2023
    Sendai International Center, Miyagi, Japan

    The 12th International Conference on Nuclear Criticality Safety (ICNC) will be held in Sendai, Japan on 1-6 October 2023. Twenty years after the last conference in Japan, which was held in Tokai-mura...

    Criticality safety WPNCS Safety Co-sponsored event
    Published date: 13 December 2022
    NEA Document
    Role of Integral Experiment Covariance Data for Criticality Safety Validation: EG UACSA Benchmark Phase IV
    NEA/NSC/R(2021)1

    This benchmark report has been compiled under the guidance of the NEA Working Party on Nuclear Criticality Safety (WPNCS) in the Subgroup on the Role of Integral Experiment Uncertainties and Covarian...

    English UACSA Criticality safety Criticality WPNCS Benchmark …
    Published date: 30 January 2023
    Other
    Complementary material to “Role of Integral Experiment Covariance Data for Criticality Safety Validation: EG UACSA Benchmark Phase IV”
    English UACSA Criticality safety Criticality Benchmark …
    Published date: 17 January 2023
    NEA Document
    Burnup Credit Criticality Benchmark Phase IIB: Burnup Calculations of Gadolinium-Bearing Fuel Rods in Boiling Water Reactor Assemblies for Storage and Transportation
    NEA/NSC/R(2022)3

    The NEA Expert Group on Used Nuclear Fuel criticality (EGUNF) organised a Phase IIB benchmark to re-examine code and nuclear data performance for BWR lattice calculations and focus on the depletion m...

    Criticality safety Nuclear science WPNCS Benchmark
    Published date: 30 November 2022
    News
    New edition: the International Handbook of Evaluated Criticality Safety Benchmark Experiments

    The 2021 edition can be downloaded online.

    Modelling and simulation Criticality safety Criticality Verification and validation Verification Validation ICSBEP Benchmark …
    Published date: 22 November 2022
    Activity
    International Criticality Safety Benchmark Evaluation Project (ICSBEP) Handbook

    The International Criticality Safety Benchmark Evaluation Project (ICSBEP) Handbook contains criticality safety benchmark specifications that have been derived from experiments that were performed at...

    Modelling and simulation Criticality safety Verification and validation Verification Benchmark …
    Published date: 10 November 2022
    Activity
    International Criticality Safety Benchmark Evaluation Project (ICSBEP)

    The primary purpose of the International Criticality Safety Benchmark Evaluation Project (ICSBEP) is to compile critical and subcritical benchmark experiment data into a standardised format that allo...

    Criticality safety Nuclear science Criticality WPNCS ICSBEP …
    Published date: 10 November 2022
    Joint project
    Dragon Project

    View of Dragon Reactor. Photo: AEA Technology.

    In 1959, twelve OECD countries began the Dragon Reactor Experiment (DRE) to build a reactor at Winfrith in Dorset, United Kingdom. The Dragon was the fi...

    Criticality safety Generation IV reactors Nuclear science Gas-cooled reactors Reactor physics …
    Published date: 14 October 2022
    News
    Working Party on Nuclear Criticality Safety celebrates 25 years

    Over its 25 years of existence, the working party has contributed many topics and has led advances in criticality safety studies.

    News brief Criticality safety Nuclear science Criticality WPNCS …
    Published date: 28 July 2022
    Event
    27th Meeting of the Working Party on Nuclear Criticality Safety (WPNCS)
    27 June 2022 - 1 July 2022
    OECD headquarters, Paris XVI

    Under the guidance of the  Nuclear Science Committee (NSC) , the Working Party on Nuclear Criticality Safety (WPNCS) focuses on technical and scientific issues related to criticality safety. Specific...

    Criticality safety Nuclear science Criticality WPNCS
    Published date: 1 June 2022
    Activity
    Burn-up credit criticality safety

    Burn-up credit is a safety approach that accounts for the reduction in the reactivity of configurations with spent nuclear fuel due to the change in their composition after irradiation.

    Criticality safety NSC Nuclear science Criticality WPNCS …
    Published date: 2 June 2022
    Activity
    Working Party on Nuclear Criticality Safety (WPNCS)

    The Working Party on Nuclear Criticality Safety (WPNCS) deals with technical and scientific issues relevant to criticality safety. Specific areas of interest include (but are not limited to) investig...

    Criticality safety NSC Nuclear science Criticality
    Published date: 17 May 2022
    Activity
    Database for ICSBEP (DICE)

    The International Criticality Safety Benchmark Evaluation Project (ICSBEP) released the first version of the Database for the International Handbook of Evaluated Criticality Safety Benchmark Experime...

    Criticality safety Information, data and knowledge management Databases Benchmark
    Published date: 25 April 2022
    News
    Addressing technical and scientific issues around nuclear criticality safety

    WPNCS bi-annual event brought together 80 experts from 17 member countries.

    News brief Criticality safety Criticality WPNCS
    Published date: 7 February 2022
    News
    International review of benchmark experiments

    ICSBEP, SINBAD AND IRPhEP Technical Review Group meetings, October 2021.

    News brief Criticality safety Nuclear science ICSBEP IRPhEP Reactor physics …
    Published date: 25 October 2021
    Activity
    Technical Review Group for the International Assay Data of Spent Nuclear Fuel Database (TRG SFCOMPO)

    The Technical Review Group (TRG) for the International Assay Data of Spent Nuclear Fuel Database (SFCOMPO) lies under the direction of the Working Party on Nuclear Criticality Safety (WPNCS).

    Criticality safety
    Published date: 13 April 2021
    News
    Experimental criticality safety benchmarks

    The ICSBEP Technical Review Group of over 65 international technical experts met remotely for the first time on 19-23 October 2020.

    News brief Criticality safety Nuclear science Criticality ICSBEP …
    Published date: 4 November 2020
    Activity
    SFCOMPO 2.0 (Spent Fuel Isotopic Composition)

    SFCOMPO 2.0 (Spent Fuel Isotopic Composition) is a relational database designed to facilitate the search and visualisation of experimental assay data of spent nuclear fuel.

    Criticality safety Verification and validation Databases
    Published date: 2 October 2020
    News
    International co-operation on nuclear criticality safety

    The NEA Working Party on Nuclear Criticality Safety (WPNCS) held its annual meetings on 6-10 July 2020 via video conference with 63 experts from 14 countries.

    News brief Criticality safety Nuclear science Criticality WPNCS …
    Published date: 5 August 2020
    Other
    Source Convergence in Criticality Safety Analyses - Phase II: Guidance for Analysts

    Source Convergence in Criticality Safety Analyses - Phase II: Guidance for Analysts

    Criticality safety NSC Criticality WPNCS
    Published date: 24 March 2020
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