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NEA Document
Requirements for CFD-Grade Experiments for Nuclear Reactor Thermal Hydraulics
NEA/CSNI/R(2020)3

When looking for a validation experiment for CFD application to reactor simulation for either design or safety studies, it appears that available data often suffer from a lack of local measurements, ...

CFD WGAMA Nuclear safety Safety assessment CSNI Safety Accident management Reactor design …
Published date: 17 February 2022
NEA Document
Workshop on Experimental Validation and Application of CFD and CMFD Codes to Nuclear Reactor Safety Issues, CFD4NRS-7
NEA/CSNI/R(2020)5

The Workshop on Experimental Validation and Application of CFD and CMFD Codes to Nuclear Reactor Safety Issues, CFD4NRS-7 was the seventh in a series of workshops focusing on Computational Fluid Dyna...

English CFD WGAMA Nuclear safety Accident analysis and management CSNI …
Published date: 19 January 2022
News
Long-term management and reliability of reactor core and containment cooling systems

The NEA Working Group on Analysis and Management of Accidents (WGAMA) organised a specialist workshop entitled “Reactor core and containment cooling systems: Long-term management and reliability (RCC...

News brief WGAMA Accident analysis and management Nuclear safety research Safety of components and structures Accident management …
Published date: 29 October 2021
Publications and Reports
Long-Term Management and Actions for a Severe Accident in a Nuclear Power Plant

As the Fukushima Daiichi nuclear power plant (NPP) accident illustrates, many challenges have to be faced in maintaining safety over the long term in a damaged NPP following a severe accident. These ...

English Three Mile Island Fukushima WGAMA Chernobyl Accident analysis and management Nuclear safety research CSNI Accident management …
Published date: 29 April 2021
News
Computational fluid dynamics for nuclear reactor safety

The NEA Working Group on Analysis and Management of Accidents (WGAMA) held the eighth Computational Fluid Dynamics (CFD) for Nuclear Reactor Safety Applications (CFD4NRS-8) workshop virtually on 25-2...

News brief WGAMA Nuclear safety Accident analysis and management Nuclear safety research CSNI …
Published date: 30 November 2020
NEA Document
Computational Fluid Dynamics for Nuclear Reactor Safety Applications-6 (CFD4NRS-6): Workshop Proceedings
NEA/CSNI/R(2017)20

The present report summarises the 6th workshop on Computational Fluid Dynamics for Nuclear Reactor Safety Applications (CFD4NRS-6) in the biennial series, supported by the Nuclear Energy Agency Worki...

English WGAMA Nuclear safety research CSNI Proceedings …
Published date: 6 May 2019
NEA Document
Informing Severe Accident Management Guidance and Actions for Nuclear Power Plants through Analytical Simulation
NEA/CSNI/R(2017)16

This report by the Working Group on Analysis and Management of Accidents (WGAMA) summarises the first Nuclear Energy Agency (NEA) project to address the topic of severe accident management guidance (...

English WGAMA Accident analysis and management Nuclear safety research CSNI …
Published date: 2 July 2018
NEA Document
Post-BEMUSE Reflood Model Input Uncertainty Methods (PREMIUM) Benchmark: Final Report
NEA/CSNI/R(2016)18

PREMIUM is the follow-up of a series of projects promoted by NEA/CSNI and focused on the issue of best estimate plus uncertainty (BEPU) analysis of thermo-hydraulic accident scenarios in nuclear plan...

English WGAMA Nuclear safety research CSNI Benchmark …
Published date: 24 August 2017
NEA Document
A State-of-the-Art Report on Scaling in System Thermal-hydraulics Applications to Nuclear Reactor Safety and Design
NEA/CSNI/R(2016)14

The present document deals with scaling in nuclear-system thermal hydraulics (SYS TH), including the connection with nuclear-reactor safety technology (NST). Scaling has constituted “an issue” since ...

English WGAMA Nuclear safety research CSNI
Published date: 1 March 2017
NEA Document
State-of-the-Art Report on Molten Corium Concrete Interaction and Ex-Vessel Molten Core Coolability
NEA/CSNI/R(2016)15

Since 2002, the Nuclear Energy Agency (NEA) has sponsored the Melt Coolability and Concrete Interaction (MCCI) co-operative project in two phases in order to investigate ex-vessel melt coolability an...

English WGAMA Nuclear safety research CSNI
Published date: 1 January 2017