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    Other
    mceclip2 - 2022-05-20 10h11m47s
    Published date: 20 May 2022
    Other
    mceclip1 - 2022-05-20 10h11m12s
    Published date: 20 May 2022
    Other
    mceclip0 - 2022-05-20 10h11m04s
    Published date: 20 May 2022
    Other
    Top tweet May
    Published date: 19 May 2022
    Other
    17-Cl-35(n,p)

    Requester: Tom Taylor (Moltex Energy) and Tommy Cisneros (TerraPower)

     

    Project (context)

    Gen-IV (fast chloride molten salt reactor design)

    Impact

     

    There is currently large uncertainty in reactivity...

    Published date: 28 April 2022
    Other
    68-Er-167(n,g)

    Requester

    Dr Antonio GUGLIELMELLI at ENEA-BOLO, ITY

    Impact

     

    A more precise knowledge of the erbium capture cross section in the most important energy region for LWR technology would reduce the criti...

    Published date: 28 April 2022
    Other
    95-Am-241(n,g),(n,tot)

    Requester

    Dr Osamu IWAMOTO at JAEA, JPN

    Project (context)

    JENDL and WPEC subgroup 26

    Impact

    The thermal value for the total cross section is inconsistent with the best value for the capture cross sec...

    Published date: 28 April 2022
    Other
    92-U-235(n,f)

    Requester

    Prof. Gerald RIMPAULT at CAD-DER, FR

    Project (context)

    JEFF, NEA WPEC Subgroup 27

    Impact

    The four fast reactor systems of GenIV feature innovative core characteristics for which gamma-ray h...

    Published date: 28 April 2022
    Other
    94-Pu-239(n,f)

    Requester

    Prof. Gerald RIMPAULT at CAD-DER, FR

    Project (context)

    JEFF, NEA WPEC Subgroup 27

    Impact

    The four fast reactor systems of GenIV feature innovative core characteristics for which gamma-ray h...

    Published date: 28 April 2022
    Activity
    Working Group on Fuel Safety (WGFS)

    The main mission of the Working Group on Fuel Safety (WGFS) is to advance the current understanding and address cross-cutting issues related to fuel behaviour in accident conditions, including work o...

    Fuel in nuclear safety Nuclear fuel Fuel studies WGAMA WGFCS Fuel cycle facility safety Nuclear safety research CSNI Safety WGFS …
    Published date: 19 May 2022
    Other
    Grant Application Form
    Published date: 19 May 2022
    Other
    Power lines
    Published date: 18 May 2022
    Other
    Nuclear power plant
    Published date: 18 May 2022
    Other
    Cover-7582-EGRM Front
    Published date: 18 May 2022
    Other
    Meeting with the Prime Minister of Romania
    Published date: 17 May 2022
    News
    Advancing geological repositories from concept to operation

    The Sixth International Conference on Geological Repositories (ICGR-6) gathered participants in in Helsinki, Finland, on 4-8 April.

    News brief Radioactive waste management Deep geological repository (DGR) Repository Radioactive waste …
    Published date: 27 April 2022
    News
    NEA mission to the United Arab Emirates

    An NEA delegation led by Director-General William D. Magwood, IV, was in the United Arab Emirates on 27-30 March for a series of meetings.

    DG statement News brief United Arab Emirates Director-General
    Published date: 4 April 2022
    Other
    Antena 3 interview
    Published date: 17 May 2022
    Other
    Meeting with ANDR
    Published date: 17 May 2022
    Event
    TDB Project Course – 6th Edition: Thermodynamic Data Collection and Assessment
    15 - 16 November 2022
    Online

    Due to circumstances imposed by the ongoing COVID-19 pandemic, this year's event will take place online.

     

    The 6th edition of the annual NEA TDB course on the topic of thermodynamic data collection a...

    Published date: 17 May 2022
    Activity
    Working Party on Nuclear Criticality Safety (WPNCS)

    The Working Party on Nuclear Criticality Safety (WPNCS) deals with technical and scientific issues relevant to criticality safety. Specific areas of interest include (but are not limited to) investig...

    Criticality safety NSC Nuclear science Criticality
    Published date: 17 May 2022
    Activity
    Nuclear Data Sensitivity Tool (NDaST)

     Nuclear Data Sensitivity Tool (NDaST), aims to provide rapid feedback on the effect of changes to nuclear data on integral benchmarks.

    Nuclear science Verification and validation Nuclear data Databases
    Published date: 17 May 2022
    Other
    How-to-NDaST-2022
    Published date: 17 May 2022
    Other
    Global Commencement 2022 Competition
    Published date: 28 April 2022
    NEA Document
    Cable Ageing in Nuclear Power Plants: Report on the First and Second Terms (2012-2017) of the NEA Cable Ageing Data and Knowledge (CADAK) Project
    NEA/CSNI/R(2018)8

    The number of ageing nuclear power plants (NPPs) is increasing in NEA member countries. Accordingly, maintenance programmes, in-service inspection and testing of structures, systems and components im...

    English Nuclear safety research CSNI Safety of components and structures
    Published date: 6 December 2018
    NEA Document
    Comparison of Methodologies for the Simulation of Electrical Systems in Nuclear Power Plants: Working Group on Electrical Power Systems Activity 3 Report
    NEA/CSNI/R(2018)10

    One of the major conclusions of this workshop was that simulation of electrical systems has not been adequately discussed at the international level despite the fact that it is used more and more fre...

    English WGELEC Nuclear safety research CSNI
    Published date: 19 February 2019
    NEA Document
    Resolving Complex Safety Relevant Issues Related to Hydrogen Release in Nuclear Power Plant Containments During a Postulated Severe Accident
    NEA/CSNI/R(2018)11

    This is a summary report by the Hydrogen Mitigation Experiments for Reactor Safety (HYMERES) project on the PANDA and MISTRA experiments.

    Phase 1 of the Project, between 2013 and 2016, focused on imp...

    English Nuclear safety research CSNI Joint project
    Published date: 23 November 2018
    NEA Document
    Comparison of Probabilistic Seismic Hazard Analysis of Nuclear Power Plants in Areas with Different Levels of Seismic Activity
    NEA/CSNI/R(2019)1
    Seismic hazards remain an important factor that nuclear power plant designers and operators worldwide must take into account. Therefore, the Working Group on the Integrity and Ageing of Components a...
    English WGIAGE Nuclear safety research CSNI
    Published date: 3 June 2019
    NEA Document
    Main Results of the MASCA1 and 2 Projects: Integrated Report
    NEA/CSNI/R(2007)15

    The Material Scaling (MASCA) Project investigated in-vessel phenomena during a severe accident. In particular, it addressed the influence of the chemical composition of the molten corium on the heat ...

    English Risk assessment Accident analysis and management Nuclear safety research CSNI Joint project Safety of components and structures Safety research …
    Published date: 1 June 2007
    NEA Document
    Main Results of the First Phase of MASCA Project: Integrated Report
    NEA/CSNI/R(2004)23

    The focus of the Material Scaling (MASCA) Project was to investigate in detail the chemical behaviour of corium in contact with structural materials, with emphasis mainly on steel. This report provid...

    English Nuclear safety research CSNI Joint project Safety research …
    Published date: 1 November 2004
    NEA Document
    Final Report of the PKL Experimental Program Within the OECD/SETH Project
    NEA/CSNI/R(2004)24

    At its annual meeting in December 1999, the Committee on the Safety of Nuclear Installations (CSNI) issued a recommendation to set up an international collaborative project in the field of thermal-hy...

    English Accident analysis and management Nuclear safety research CSNI Joint project …
    Published date: 1 December 2004
    NEA Document
    Seismic Input Motions Incorporating Recent Geological Studies: Workshop Proceedings
    NEA/CSNI/R(2004)22

    The Committee on the Safety of Nuclear Installations (CSNI) workshop on “Seismic Input Motions Incorporating Recent Geological Studies” was held in Tsukuba, Japan on 15-17 November 2004, and was host...

    English WGIAGE Nuclear safety research CSNI Proceedings …
    Published date: 14 February 2005
    NEA Document
    Third International Conference on Fatigue of Reactor Components
    NEA/CSNI/R(2004)21

    The Third International Conference on Fatigue of Reactor Components held in Seville, Spain on 3-6 October 2004 was co-organised by the EPRI, the US NRC and the OECD NEA Committee on the Safety of Nuc...

    English WGIAGE Nuclear safety research CSNI Safety of components and structures Proceedings …
    Published date: 5 January 2005
    NEA Document
    Nuclear Power Plant Components and Structures under Severe Accident Loading (COSSAL)
    NEA/CSNI/R(2019)2

    In the face of severe accident scenarios with melted core material, such as those that occurred at Three Mile Island-2 in 1979 and at Fukushima Daiichi in 2011, the integrity assessment of primary ci...

    English WGIAGE Nuclear safety research CSNI
    Published date: 16 August 2019
    NEA Document
    Nuclear Power Plant Components and Structures under Severe Accident Loading (COSSAL): Final Report (Appendices)
    NEA/CSNI/R(2019)2/ADD1

    This is a companion document to the final report of the COSSAL project. It includes appendices which address participant responses to a questionnaire, the data of the problem statement on the large-s...

    English WGIAGE Nuclear safety research CSNI
    Published date: 16 August 2019
    NEA Document
    OECD/SERENA Project Report – Summary and Conclusions
    NEA/CSNI/R(2014)15

    The SERENA Project Integration Report summarises the outcome of a broad range of activities conducted in the framework of the OECD Nuclear Energy Agency (NEA) Steam Explosion Resolution for Nuclear A...

    English WGAMA Accident analysis and management Nuclear safety research CSNI Joint project …
    Published date: 1 February 2015
    NEA Document
    Post-BEMUSE Reflood Model Input Uncertainty Methods (PREMIUM) Benchmark Phase II: Identification of Influential Parameters
    NEA/CSNI/R(2014)14

    The objective of the Post-BEMUSE Reflood Model Input Uncertainty Methods (PREMIUM) Benchmark is to progress on the issue of the quantification of the uncertainty of the physical models in system ther...

    English WGAMA Nuclear safety research CSNI Benchmark …
    Published date: 23 February 2015
    NEA Document
    Extension of CFD Codes Application to Two-Phase Flow Safety Problems – Phase 3
    NEA/CSNI/R(2014)13

    This document is an extension of the NEA/SEN/SIN/AMA(2006)2 report produced by the Writing Group 3 on the extension of CFD to two-phase flow safety problems, which was formed following the recommen...

    English CFD WGAMA Nuclear safety research CSNI …
    Published date: 1 November 2014
    NEA Document
    Assessment of CFD Codes for Nuclear Reactor Safety Problems – Revision 2
    NEA/CSNI/R(2014)12

    Following recommendations made at an exploratory meeting of experts to define an action plan on the application of Computational Fluid Dynamics (CFD) codes to nuclear reactor safety (NRS) problems, h...

    English CFD WGAMA Nuclear safety research CSNI …
    Published date: 16 January 2015
    NEA Document
    Best Practice Guidelines for the Use of CFD in Nuclear Reactor Safety Applications – Revision
    NEA/CSNI/R(2014)11

    In May 2002, an exploratory meeting of experts to define an action plan on the application of Computational Fluid Dynamics (CFD) Codes to nuclear reactor safety problems was held in Aix-en-Provence, ...

    English CFD WGAMA Nuclear safety research CSNI Best practices …
    Published date: 12 February 2015
    NEA Document
    Leaking Fuel Impacts and Practices
    NEA/CSNI/R(2014)10

    The impact of leaking fuel rods on the operation of nuclear power plants and the practices of handling leaking fuel has been reviewed by the CSNI Working Group on Fuel Safety (WGFS) in order to promo...

    English Nuclear safety research CSNI WGFS
    Published date: 18 July 2014
    NEA Document
    Status Report on Hydrogen Management and Related Computer Codes
    NEA/CSNI/R(2014)8

    At the 14th plenary meeting of the Working Group on Analysis and Management of Accidents (WGAMA), a proposal for a status paper on hydrogen generation, transport and mitigation under severe accident ...

    English WGAMA Validation Nuclear safety research CSNI Codes and programs …
    Published date: 20 January 2015
    NEA Document
    Status Report on Filtered Containment Venting
    NEA/CSNI/R(2014)7

    The main objectives of this status report on FCVSs in OECD countries, as defined by the Working Group on Analysis and Management of Accidents (WGAMA), were to: compile the status on the implementatio...

    English WGAMA Nuclear safety research CSNI
    Published date: 2 July 2014
    NEA Document
    Improving Robustness Assessment Methodologies for Structures Impacted by Missiles (IRIS_2012): Final Report
    NEA/CSNI/R(2014)5

    The Committee on the Safety of Nuclear Installations (CSNI) approved in December 2008 a proposal of the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) to conduct a round ...

    English Nuclear safety research CSNI Benchmark
    Published date: 27 August 2014
    NEA Document
    Improving Robustness Assessment Methodologies for Structures Impacted by Missiles (IRIS_2012): Final Report
    NEA/CSNI/R(2014)5/ADD1

    A round robin exercise (RRE) on Improving the Robustness Assessments Methodologies for Structures Impacted by Missiles (IRIS-2012) was instituted jointly by IRSN, France and CNSC, Canada based on exp...

    English WGIAGE Nuclear safety research CSNI Benchmark …
    Published date: 30 June 2014
    NEA Document
    CFD for Nuclear Reactor Safety Applications (CFD4NRS-4): Workshop Proceedings
    NEA/CSNI/R(2014)4

    Following the CFD4NRS workshops held in Garching, Germany (September 2006), Grenoble, France (September 2008) and Washington D.C., USA (September 2010), this workshop, held in Daejeon, Korea on 10-12...

    English Modelling and simulation CFD Nuclear safety research CSNI Proceedings …
    Published date: 14 February 2014
    NEA Document
    Containment Code Validation Matrix
    NEA/CSNI/R(2014)3

    This report initially provides a brief overview of the main features of a PWR, BWR, CANDU and VVER reactors. It also provides an overview of the ex-vessel corium retention (core catcher) and a genera...

    English CFD Nuclear safety research CSNI
    Published date: 23 May 2014
    NEA Document
    Non-destructive Evaluation of Thick-walled Concrete Structures
    NEA/CSNI/R(2014)1

    This NEA WGIAGE workshop was held in Prague, Czech Republic on17-19 September 2013, with the objective to present and discuss the state-of-the-art techniques for the integrity assessment of concrete ...

    English WGIAGE Nuclear safety research CSNI Proceedings …
    Published date: 30 January 2015
    NEA Document
    Benchmarking of Fast-running Software Tools Used to Model Releases During Nuclear Accidents
    NEA/CSNI/R(2015)19

    The objective of this joint WGAMA-WPNEM activity was to benchmark software tools used to estimate consequences of accidents at nuclear facilities. Two aspects of accident consequences were considered...

    English WGAMA WPNEM Nuclear safety research CSNI Benchmark …
    Published date: 1 January 2016
    NEA Document
    Benchmark Study of the Accident at the Fukushima Daiichi Nuclear Power Plant (BSAF Project): Phase I Summary Report
    NEA/CSNI/R(2015)18

    In 2012, following a proposal from Japan, the Committee on the Safety of Nuclear Installations (CSNI) decided to initiate a joint project to conduct a study of the accident progression for the Fukush...

    English Decommissioning Fukushima Accident analysis and management Decommissioning and legacy management Fuel cycle facility safety External hazards and nuclear safety Nuclear safety research CSNI Joint project Safety of components and structures Benchmark Accident management …
    Published date: 1 March 2015
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