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    Reactor physics
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    Event
    23rd Annual Meeting of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS)
    16 - 20 February 2026
    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 performance...

    Nuclear science Multiphysics Radiation transport and shielding Thermal hydraulics and mechanics Reactor physics …
    Published date: 27 June 2025
    Activity
    International School on Simulation of Nuclear Reactor Systems (SINUS)

    The International School on Simulation of Nuclear Reactor Systems (SINUS) provides hybrid, hands-on-training encompassing multiphysics modelling and simulation (M&S) and associated validation, verifi...

    Nuclear science EGRFP WPRS Multiphysics Radiation transport and shielding Thermal hydraulics and mechanics EGTHM Reactor physics Reactor fuel performance EGMUP NSC SINUS EGPRS Training …
    Published date: 10 July 2025
    News
    New version released: The NEA Shielding Integral Benchmark Archive and Database (SINBAD)

    The NEA has released version 2 of the Shielding Integral Benchmark Archive and Database (SINBAD), following the migration to a collaborative development environment and a standardised dataset format....

    News brief Transport Experiments Radiation Databases Radiation transport and shielding Reactor physics Integral experiments Verification and validation EGPRS SINBAD Benchmark …
    Published date: 2 July 2025
    Activity
    Expert Group on Reactor Core Thermal-Hydraulics and Mechanics (EGTHM)

    Created in 2019, under the guidance of the Working Party on Scientific Issues of Reactor Systems (WPRS) the expert group will perform specific tasks associated with core thermal-hydraulics aspects of...

    Reactor physics Sodium-cooled reactor Molten salt reactors Light water reactors Thermal hydraulics WPRS Reactor physics …
    Published date: 30 June 2025
    Activity
    Expert Group on Physics of Reactor Systems (EGPRS)

    Under the guidance of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS), the Expert Group on Physics of Reactor Systems (EGPRS) performs specific tasks associa...

    Reactor physics Molten salt reactors Light water reactors EGPRS Pressurised heavy water reactors Reactor physics …
    Published date: 30 June 2025
    Activity
    Expert Group on Reactor Systems Multi-Physics (EGMUP)

    The Expert Group on Reactor Systems Multi-Physics (EGMUP) advances the state of the art in establishing processes and procedures for certifying experimental data and benchmarking multi-physics multi-...

    Multi-physics simulations Machine Learning NSC Artificial Intelligence Education WPRS Multiphysics Nuclear science Reactor physics EGMUP …
    Published date: 30 June 2025
    Event
    WPRS Benchmarks Workshops 2025
    30 June 2025 - 4 July 2025
    Trumpington Street, CB2 1PZ, Cambridge, United Kingdom

    The next annual Benchmarks Workshops of the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) will be hosted by the Department of Engineering of the University of ...

    Nuclear science Artificial Intelligence WPRS Multiphysics Thermal hydraulics and mechanics Reactor physics Reactor fuel performance Multiphysics Reactor physics Machine Learning Nuclear science Benchmark …
    Published date: 27 June 2025
    Activity
    Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS)

    The Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) studies the reactor physics, thermal hydraulics, radiation transport and shielding, and multiphysics aspects ...

    Multi-physics simulations Fuel studies Light water reactors Artificial Intelligence WPRS Advanced reactors Reactor physics Multiphysics Reactor physics Machine Learning Thermal hydraulics Uncertainty quantification Pressurised heavy water reactors …
    Published date: 27 June 2025
    Activity
    Light-water cooled small modular reactor benchmark for uncertainty quantification and propagation in multiphysics simulations (LW-SMR)

    Expert Group on Reactor Systems Multi-Physics (EGMUP) benchmark on uncertainty quantification and propagation in multiphysics simulations of light-water cooled small modular reactors (LW-SMR benchmar...

    SMR NSC Nuclear science Light water reactors WPRS Multiphysics Nuclear science Benchmark Reactor physics EGMUP …
    Published date: 27 June 2025
    Activity
    TVA Watts Bar Unit 1 Reactor Pressure Vessel Fluence Benchmark

    Expert Group on Physics of Reactor Systems (EGPRS) Benchmark for reactor pressure vessel (RPV) fluence simulations based on TVA Watts Bar Unit 1

    Nuclear science EGPRS WPRS Benchmark Radiation transport and shielding Reactor physics …
    Published date: 23 June 2025
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