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    NEA Working Paper
    Thermal-hydraulic Code Validation Benchmark Specifications for High -temperature Gas-cooled Reactors (HTGR) using High-temperature Test Facility (HTTF) data
    NEA/WKP(2024)3

    In 2022, the WPRS Expert Group on Thermal Hydraulics and Mechanics (EGTHM) mandated a new benchmark on high-temperature gas-cooled reactors (HTGR) using high-temperature test facility (HTTF) data an...

    CFD Nuclear science Thermal hydraulics WPRS Nuclear science Benchmark EGTHM …
    Published date: 28 April 2025
    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
    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: 31 January 2025
    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
    NEA Working Paper
    Benchmark on Artificial Intelligence and Machine Learning for Scientific Computing in Nuclear Engineering. Phase 1: Critical Heat Flux Exercise Specifications
    NEA/WKP(2023)1

    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 Artificial Intelligence WPRS Multiphysics Thermal hydraulics and mechanics EGTHM Reactor physics Reactor fuel performance Multiphysics EGMUP Machine Learning Thermal hydraulics Nuclear science Benchmark …
    Published date: 18 January 2024
    News
    Challenging state-of-the art thermal hydraulics simulation capabilities for high temperature gas-cooled reactors

    Kick-off workshop of the thermal hydraulic code validation benchmark for high temperature gas-cooled reactors using High Temperature Test Facility (HTTF) data.

    News brief Nuclear science WPRS Thermal hydraulics and mechanics EGTHM Reactor physics Reactor physics NSC Thermal hydraulics Nuclear science Benchmark …
    Published date: 16 June 2023
    NEA Document
    NUPEC BWR Full-size Fine-mesh Bundle Test BFBT Benchmark - Volume IV: Results of Phase II on Pressure Drop and Critical Power
    NEA/NSC/R(2020)7

    In the past decade, a large amount of effort has been made towards the direct simulation of the boiling transition (BT) for boiling water reactor (BWR) fuel bundles. This international benchmark, bas...

    English Boiling water reactors Nuclear science Nuclear safety WPRS EGTHM Reactor physics Reactor physics Nuclear science Benchmark …
    Published date: 2 December 2021
    NEA Document
    Coupled Neutronic/Thermal-Fluid Benchmark of the MHTGR-350 MW Core Design: Results for the Lattice Physics Exercises
    NEA/NSC/R(2019)6

    The purpose of this prismatic High Temperature Reactor (HTR) benchmark is to provide a solution set that can be used in future code benchmarking and to better understand the effects induced by the pr...

    English Nuclear science WPRS Multiphysics EGTHM Reactor physics Multiphysics EGMUP Reactor physics NSC EGPRS Nuclear science …
    Published date: 18 November 2021
    NEA Document
    NUPEC BWR Full-size Fine-mesh Bundle Test BFBT Benchmark - Volume III: Results of Phase I on Void Distribution
    NEA/NSC/R(2020)6

    In the past decade, a large amount of effort has been made towards the direct simulation of the boiling transition (BT) for Boiling Water Reactor (BWR) fuel bundles. This international benchmark, bas...

    English Boiling water reactors Nuclear science Nuclear safety WPRS Thermal hydraulics and mechanics EGTHM Reactor physics Reactor physics Nuclear science Benchmark …
    Published date: 1 June 2021
    NEA Document
    Coupled Neutronic/Thermal-Fluid Benchmark of the MHTGR-350 MW Core Design: Results for Phase I Exercise 1
    NEA/NSC/R(2019)5
    Reactor physics NSC Nuclear science EGPRS WPRS Nuclear science EGTHM Reactor physics EGMUP …
    Published date: 12 October 2020
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