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NEA Document
Proceedings of the Workshop on Uncertainties in the Assessment of Natural Hazards (Excluding Earthquakes) 19-21 April 2022
NEA/CSNI/R(2023)14

The Nuclear Energy Agency (NEA) Working Group on External Events (WGEV) was established by the Committee on the Safety of Nuclear Installations (CSNI) in June 2014 with the aim of improving the under...

External hazards WGEV Nuclear safety research Safety
Published date: 17 June 2025
NEA Document
Initiatives of Low-Dose Research Co-ordination: Summary Report of a Joint Workshop Organised by the Nuclear Energy Agency in Co-operation with the Electric Power Research Institute
NEA/CRPPH/R(2024)4

This joint workshop on low-dose research co-ordination was co-organised by the Nuclear Energy Agency (NEA) High-Level Group on Low-Dose Research (HLG-LDR) and the Electric Power Research Institute (E...

Published date: 17 June 2025
NEA Document
Reactor Core and Containment Cooling Systems: Long-Term Management and Reliability (RCCS-2021) NEA Specialist Workshop Proceedings 18-20 October 2021 Virtual Meeting
NEA/CSNI/R(2022)11

The specialist workshop entitled “Reactor Core and Containment Cooling Systems: Long-term Management and Reliability (RCCS-2021)” was organised by the Nuclear Energy Agency (NEA) as part of the activ...

WGAMA Nuclear safety Accident analysis and management Nuclear safety research CSNI PRG CSNI Safety Reactor technology Accident management …
Published date: 16 June 2025
NEA Document
Rod Bundle Heat Transfer (RBHT) Project Phase I Summary Report
NEA/CSNI/R(2023)7

The NEA Rod Bundle Heat Transfer (RBHT) project focused on reflood thermal hydraulics. The project generated new and unique reflood experimental data and provided these data to the participants, who ...

Nuclear safety CSNI PRG CSNI Safety Safety research …
Published date: 16 June 2025
NEA Document
Experimental Needs for Criticality Safety Purposes
NEA/NSC/R(2022)6

10.1787/e6fd68f4-en

The goal of the Nuclear Energy Agency (NEA) Working Party on Nuclear Criticality Safety (WPNCS) Subgroup on Experimental Needs for Criticality Safety Purposes (SG-5) was to highli...

Criticality safety Nuclear science Criticality WPNCS Experimental needs Nuclear science …
Published date: 12 June 2025
NEA Document
Benchmark on Dose Rate Calculations for Irradiated Assembly
NEA/NSC/R(2023)8

10.1787/3dbcca5e-en

The Task Force on Dose Rate Calculations for Irradiated Fuel Assembly was launched in 2015 to assess code predictions of dose rates from bare spent fuel assemblies and to benchmar...

WPFC Nuclear science Spent fuel Nuclear science Benchmark …
Published date: 12 June 2025
NEA Document
The Effect of Temperature on the Neutron Multiplication Factor for Pressurised Water Reactor Fuel Assemblies: A Temperature Analysis Benchmark
NEA/NSC/R(2022)1

10.1787/3ea69249-en

There is significant international interest in the effects of temperature on criticality safety evaluations. Improved access to nuclear data, notably thermal scattering data S(α,β...

Nuclear science WPNCS Benchmark Pressurised water reactors
Published date: 12 June 2025
NEA Document
Survey of the Regulatory Approach on the Oversight of New Nuclear Power Plant Construction
NEA/CNRA/R(2022)1

The construction of nuclear power plants has always been challenging. This seems to have become more significant in recent decades (circa 2000 and later) as nuclear power plant projects in many NEA c...

WGRNR Nuclear safety Nuclear technology Regulation Safety Advanced reactors Regulation of new and advanced reactors Reactor technology CNRA New nuclear power plants Nuclear safety regulation …
Published date: 23 May 2025
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
NEA Document
Summary Report of the 16th Information Exchange Meeting on Actinide and Fission Product Partitioning and Transmutation (16IEMPT)
NEA/NSC/R(2024)2

Efforts to enhance the safety, sustainability and economic efficiency of nuclear energy are driving international research into advanced nuclear fuel cycles. A key component of these efforts is parti...

Nuclear science Nuclear fuel cycle Partitioning and transmutation
Published date: 11 April 2025