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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
    Statistical Tests for Diagnosing Fission Source Convergence and Undersampling in Monte Carlo Criticality Calculations
    NEA/NSC/R(2021)3

    Monte Carlo criticality calculations involve a two-step procedure based on a stochastic implementation of the power iteration method: first, achieve convergence of the fission source distribution dur...

    Criticality safety Monte Carlo method Nuclear science Criticality WPNCS Nuclear science …
    Published date: 17 February 2023
    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 Nuclear science 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 Nuclear science 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
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