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    Reactor physics
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    Event
    19th Meeting of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS)
    21 - 25 February 2022
    ZOOM virtual meeting

    Under the guidance of the  Nuclear Science Committee (NSC) , the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) studies the reactor physics, fuel performance, ...

    Nuclear science Multiphysics Radiation transport and shielding Thermal hydraulics and mechanics Reactor physics …
    Published date: 7 February 2022
    Event
    2025 Meetings of the ICSBEP, IRPhEP, SFCOMPO Technical Review Groups and the SINBAD Task Force
    14 - 18 April 2025
    Jozef Stefan Institute (JSI), Reaktorski center Podgorica, Brinje 40, 1262 Dol pri Ljubljani, Ljubljana, Slovenia

    The NEA International Criticality Safety Benchmark Evaluation Project (ICSBEP), International Reactor Physics Experiments Evaluation Project (IRPhEP), International Assay Data of Spent Nuclear Fuel D...

    Nuclear science ICSBEP WPRS Radiation transport and shielding IRPhEP Reactor physics Criticality safety NSC Verification and validation SINBAD Nuclear science Benchmark …
    Published date: 31 March 2025
    Event
    20th Meeting of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS)
    20 - 24 February 2023
    NEA headquarters (46, quai Alphonse Le Gallo, 92100 Boulogne-Billancourt, France) with a remote access option

    Under the guidance of the Nuclear Science Committee (NSC), the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) studies the reactor physics, fuel performance, an...

    Nuclear science WPRS Multiphysics Radiation transport and shielding Thermal hydraulics and mechanics Reactor physics …
    Published date: 30 January 2023
    Event
    21st Meeting of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS)
    19 - 23 February 2024
    NEA headquarters (46, quai Alphonse Le Gallo, 92100 Boulogne-Billancourt, France), remote access only under exceptional circumstances

    Under the guidance of the Nuclear Science Committee (NSC), the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) studies the reactor physics, fuel performance, an...

    Nuclear science EGRFP EGRRS WPRS Multiphysics Radiation transport and shielding Thermal hydraulics and mechanics EGTHM Reactor physics Reactor fuel performance EGMUP NSC Nuclear science …
    Published date: 29 November 2023
    Event
    22nd Meeting of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS)
    17 - 21 February 2025
    NEA headquarters (46, quai Alphonse Le Gallo, 92100 Boulogne-Billancourt, France), remote access only under exceptional circumstances

    Under the guidance of the NEA  Nuclear Science Committee (NSC), the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) studies the reactor physics, fuel performanc...

    Nuclear science EGRFP EGRRS WPRS Multiphysics Radiation transport and shielding Thermal hydraulics and mechanics EGTHM Reactor physics Reactor fuel performance EGMUP NSC Nuclear science …
    Published date: 27 November 2024
    Activity
    3-D Radiation Transport benchmarks

    3-D Radiation Transport benchmarks dealt with scientific issues in the field of deterministic and stochastic methods and computer codes relative to three dimensional (3-D) radiation transport. 

    Reactor physics Monte Carlo method Transport Verification and validation Radiation shielding Radiation Validation Benchmark Reactor physics …
    Published date: 30 September 2020
    NEA Document
    A Code to Code Benchmark for High-Temperature Gas-Cooled Reactor Fuel Element Depletion
    NEA/NSC/R(2019)1

    The high-temperature gas-cooled reactor (HTGR) is a Generation IV reactor concept that uses a graphitemoderated gas-cooled nuclear reactor with a once-through uranium fuel cycle. This design permits ...

    English Nuclear fuel Fuel studies Generation IV reactors Nuclear science WPRS Reactor physics Multiphysics EGMUP Reactor physics Cogeneration NSC Gas-cooled reactors EGPRS Nuclear science Benchmark …
    Published date: 18 January 2019
    News
    Addressing validation challenges of advanced reactor single- and multi-physics modelling and simulations

    WPRS organised annual benchmarks workshop.

    News brief Nuclear science WPRS Multiphysics Thermal hydraulics and mechanics Reactor physics Reactor fuel performance Multiphysics Reactor physics Nuclear science Benchmark …
    Published date: 12 June 2024
    News
    Advancing high quality experimental benchmark data in reactor physics, criticality, shielding, used fuel, and decay heat

    The NEA organised the annual technical review group and task force meetings of key experimental data evaluation and preservation projects.

    News brief Experiments Criticality Radiation shielding ICSBEP Databases Reactor physics Verification and validation Verification SINBAD Nuclear science Benchmark …
    Published date: 13 May 2025
    Publications and Reports
    Basic Studies in the Field of High-temperature Engineering

    In response to growing interest in high-temperature, gas-cooled reactors (HTGRs) in many countries and the need for improved materials for nuclear applications in high-temperature environments, the N...

    English Generation IV reactors Nuclear science Gas-cooled reactors Multiphysics Proceedings Reactor physics …
    Published date: 1 June 2004
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