Published date:
23 December 1980
Published date:
23 December 2009
Published date:
23 December 2009
NEA/CSNI/R(2014)9
The Fukushima Dai-ichi accident triggered discussions about the significance of external hazards and their treatment in safety analyses. In addition, stress tests results have shown vulnerabilities a...
Published date:
2 July 2014
Joint NEA and IAEA event will explore probabilistic safety assessment for reactors of singular designs
Published date:
28 April 2022
NEA/CSNI/R(2017)5
The main objective of the Working Group on Risk Assessment (WGRISK) is to advance Probabilistic Safety Assessment (PSA) understanding and to enhance its use for improving the safety of nuclear instal...
Published date:
1 September 2017
Published date:
21 December 1992
NEA/CSNI/R(2016)12
Probabilistic Structural Integrity of a Pressurised Water Reactor (PWR) Pressure Vessel (PROSIR ) was a round robin exercise with the primary objective to issue some recommendations of best practices...
Published date:
1 December 2016
Published date:
1 January 1996
Published date:
1 January 1986
Published date:
27 June 2002
Published date:
1 January 1981
Published date:
1 January 1986
Published date:
1 January 1982
Published date:
18 December 2008
Published date:
23 December 1999
Published date:
1 January 1985
Published date:
18 December 2008
Published date:
1 January 1987
Published date:
17 December 2008
Published date:
17 December 2008
Published date:
27 June 2002
Published date:
27 June 2002
NEA/CSNI/R(2019)9
Chemical hazards are an important subject for Fuel Cycle facilities, including various chemical processes and substances such as explosions and healthy risks. On 17-18 April 2018, the Nuclear Energy ...
Published date:
6 October 2020
NEA/CSNI/R(2019)9/ADD1
Appendix C
The non-radiological risks involving dangerous chemicals in nuclear fuel cycle facilities,French framework regulation -
Accidents involving hazardous chemicals pose a significant threat to...
Published date:
12 June 2019
Published date:
7 February 2000
Published date:
7 February 2000
Published date:
1 January 1978
Published date:
1 January 1977
Published date:
1 January 1992
Published date:
1 January 1997
Published date:
1 January 1998
NEA/CSNI/R(2011)14
The OECD Nuclear Energy Agency developed an initiative to form writing groups of experts with the specific task of assessing the maturity of computational fluid dynamics (CFD) codes for nuclear reaco...
Published date:
1 February 2012
NEA/CSNI/R(2009)14
The workshop on Taking Account of Feedback on Sump Clogging was held at the OECD Conference Centre in Paris, France on 4-5 December 2008. It was organised under the auspices of the Committee on Nucle...
Published date:
8 January 2010
Published date:
10 June 2002
Published date:
22 February 2002
NEA/CNRA/R(1996)1
An International Workshop on Steam Generator Tube Integrity in Nuclear Power Plants, sponsored by the Committee on Nuclear Regulatory Activities (CNRA) and the Committee on the Safety of Nuclear Inst...
Published date:
1 January 1996
Published date:
1 January 1997
Published date:
1 January 1983
Published date:
1 January 1984
Published date:
1 January 1985
Published date:
1 January 1992
Published date:
1 January 1993
Published date:
1 January 1980
Published date:
1 January 1994
Published date:
2 May 2003
Published date:
12 February 2003
NEA/CSNI/R(2004)17
The Nuclear Energy Agency Committe on the Safety of Nuclear Installations (CSNI) addressed the issue of modifications at the workshop “Modifications at Nuclear Power Plants – Operating Experience, Sa...
Published date:
1 October 2004
Published date:
1 January 1985
Published date:
1 January 1989
Published date:
24 February 1999
Published date:
22 December 1986
Published date:
21 December 1990
NEA/CSNI/R(2011)6
In 2009, the Committee on the Safety of Nuclear Installations (CSNI) approved a proposal by the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) to assess current knowledge...
Published date:
13 October 2011
NEA/CSNI/R(2007)18
The Committee on the Safety of Nuclear Installations (CSNI) Workshop on Structural Reliability Evaluation and Mechanical Probabilistic Approaches of NPP Components was held in Lyon, France on 25-27 S...
Published date:
20 December 2021
NEA/CSNI/R(2008)10
Regulatory bodies are taking a growing interest in the issue of safety culture, and several are actively working to develop and implement approaches to maintaining oversight of licensee safety cultur...
Published date:
1 August 2008
Published date:
1 January 1984
NEA/CSNI/R(2004)8
The OECD-NEA/RILEM workshop on the “Use and Performance of Concrete in Nuclear Power Plant Fuel Cycle Facilities”, conducted based on a proposal of the Committee on the Safety of Nuclear Installation...
Published date:
8 July 2004
NEA/CSNI/R(2013)3
The first workshop on Seismic Observation in Deep Borehole and Its Applications (Kashiwazaki WS) was held as an embedded workshop in the First Kashiwazaki Symposium on Seismic Safety of Nuclear Insta...
Published date:
25 April 2013
Published date:
10 April 2001
Published date:
23 December 2002
Published date:
22 December 1995
NEA/CNRA/R(2005)2
In some countries, there is a growing demand for information about NPP performance from the executives, public and media. Such a demand has to be responded to and the information provided need to be ...
Published date:
11 May 2005
Published date:
28 August 2003
Published date:
28 August 2003
Published date:
1 January 1992
Published date:
1 January 1975
Published date:
1 January 1994
Published date:
22 November 2002
Published date:
1 January 1983
Published date:
16 December 2008
Published date:
1 January 1997
Published date:
1 January 1997
Published date:
6 May 2010
Published date:
23 December 1999
Published date:
1 January 1994
Published date:
1 January 1996
Published date:
1 January 1992
Published date:
1 January 1993
Published date:
1 January 1980
Published date:
1 January 1995
Published date:
1 January 1991
Published date:
1 January 1976
Published date:
16 December 2008
Published date:
1 January 1976
Published date:
1 January 1997
Published date:
7 February 2000
Published date:
1 January 1977
Published date:
1 January 1978
Published date:
16 December 2008
Published date:
1 January 1991
Published date:
1 January 1976
Published date:
7 February 2000
Published date:
31 August 2001
Published date:
13 December 2002
NEA/CSNI/R(2006)7
Due to the importance of human and organisational performance on nuclear plant maintenance, the Committee on the Safety of Nuclear Installations (CSNI) Special Experts’ Group on Human and Organisatio...
Published date:
5 April 2007
NEA/CSNI/R(2007)8
The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Human and Oganisational Factors (WGHOF) and the Halden Reactor Project (HRP) hosted a joint workshop titled “Future Contro...
Published date:
15 October 2007
Published date:
21 April 2000
NEA/CSNI/R(2009)11
There is a growing interest from some nuclear regulatory bodies, as well as licensees, in methods and approaches that can be used to ensure that the licensee organisations are well structured and hav...
Published date:
3 December 2009
Published date:
1 January 1994
Published date:
23 December 2003
Published date:
11 July 2003
NEA/CSNI/R(2020)4
The investigation conducted in the last 15 years on different aspects of Source Term worldwide, and particularly in the context of the Nuclear Energy Agency (NEA) in the form of projects and the Work...
Published date:
14 April 2022
Published date:
1 January 1989
Published date:
1 January 1980
Published date:
6 January 2011
Published date:
6 January 2011
Published date:
1 January 1977
Two new reports from the WGFS highlight the latest developments in RIA research.
Published date:
30 November 2022
NEA/CSNI/R(2005)1
The TMI-2 accident keeps providing unique full scale data giving opportunities to check the ability of the codes to model overall plant behaviour and to perform many sensitivity and uncertainty calcu...
Published date:
10 March 2005
Published date:
23 December 1992
Published date:
23 December 1997
NEA/CSNI/R(2012)15
The maintenance of sufficient expertise, data, analytical and experimental capabilities to be able to develop the technical basis to resolve currently identified safety issues and respond to and inve...
Published date:
12 December 2012
Published date:
1 January 1986
NEA/CSNI/R(2015)13
This report was written by members of the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) of the NEA, and the members of the metal subgroup were responsible for developing...
Published date:
22 December 2015
Published date:
7 November 2023
NEA/CSNI/R(2000)23
14-15 November 2000, Munich, Germany
Published date:
13 December 2000
NEA/CSNI/R(2016)6/VOL1
Reactivity-initiated accident (RIA) fuel rod codes have been developed for a significant period of time and validated against their own available database. However, the high complexity of the scenari...
Published date:
19 April 2016
NEA/CSNI/R(2016)6/VOL2
Reactivity-initiated accident (RIA) fuel rod codes have been developed for a significant period of time and validated against their own available database. However, the high complexity of the scenari...
Published date:
1 February 2016
NEA/CSNI/R(2020)10
Following the recommendations from the technical workshop on “Nuclear Fuel Behaviour during Reactivity-Initiated Accidents” organised by the Nuclear Energy Agency (NEA) in September 2009, a first ben...
Published date:
18 October 2022
One of the key areas in fuel safety is the analysis of fuel behaviour under reactivity-initiated accident conditions. Reactivity-initiated accident fuel rod codes have been developed for a significan...
Published date:
13 April 2022
Published date:
22 May 2017
Published date:
1 January 1982
Published date:
15 November 2007
NEA/CSNI/R(2009)1
Following the recommendations of a previous meeting held in Jeju, Korea on 6-8 November 2006, the Committee on the Safety of Nuclear Installations (CSNI) approved a proposal of the Working Group on I...
Published date:
13 August 2009
Published date:
23 December 2009
Published date:
12 October 1999
Published date:
10 July 2003
Left: Test facility for qualification of melt spreading tests. Photo: Argonne National Laboratory (ANL).
Right: Example of corium melt pouring for a melt spreading preparatory test. Photo: Argonne Nat...
Published date:
6 April 2023
Published date:
23 January 2003
NEA/CNRA/R(1978)1
Nuclear Installations decided at its meeting in October 1976, that a Specialist Meeting should be held in 19'7'7 to exchange experience and views on the practices followed in Member countries in regu...
Published date:
29 March 1999
Published date:
1 January 1978
Published date:
1 January 1991
Published date:
1 January 1996
Published date:
31 March 1999
Published date:
1 January 1994
Published date:
1 January 1987
Published date:
1 January 1989
NEA/CSNI/R(2013)5
The OECD/NEA-KAERI MATiS-H benchmark was initiated to test the ability of state-of-the-art computational fluid dynamics (CFD) codes to predict important turbulence parameters downstream of a generic ...
Published date:
15 July 2013
NEA/CSNI/R(2011)5
The OECD/NEA-Vattenfall T-Junction Benchmark was initiated to test the ability of state-of-the-art computational fluid dynamics (CFD) codes to predict the important parameters affecting high-cycle th...
Published date:
12 May 2011
Published date:
1 January 1996
Published date:
27 June 2002
Published date:
1 January 1995
Published date:
22 March 2000
NEA/CSNI/R(2016)16
Since the time of the first LOCA experiments, which were largely conducted with fresh fuel, changes in the fuel design, the introduction of new cladding materials and in particular the move to high b...
Published date:
10 October 2016
Published date:
1 January 1995
NEA/CSNI/R(2017)7
This report documents an experimental programme designed to investigate the High Energy Arcing Fault (HEAF) phenomena. The most recent international nuclear power plant (NPP) operating experience wi...
Published date:
23 May 2017
Published date:
13 August 1998
Published date:
1 January 1997
Published date:
22 December 1989
Published date:
1 June 2001
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, ...
Published date:
17 February 2022
NEA/CSNI/R(2004)12
The December 2000 meeting of the NEA Committee on the Safety of Nuclear Installations (CSNI) accepted a proposal to set up a task group to prepare a report describing research efforts related to wire...
Published date:
11 August 2004
Published date:
6 March 1998
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...
Published date:
23 November 2018
Published date:
11 September 2003
Published date:
23 December 1997
Published date:
1 January 1994
Published date:
1 January 1986
NEA/CSNI/R(2016)11
This report summarises the responses provided by the member organisations of the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) of the Committee on the Safety of Nuclear...
Published date:
11 October 2016
NEA/CSNI/R(2006)5
This document is intended to provide regulators, their technical support organisations and industry with a concise review of existing fuel experimental data at reactivity-initiated accident (RIA) and...
Published date:
28 November 2006
NEA/CSNI/R(2005)3
In December 2000, the Committee on Nuclear Regulatory Activities (CNRA) and the Committee on the Safety of Nuclear Installations (CSNI) agreed to prepare a state-of-the art report addressing the pres...
Published date:
28 July 2005
NEA/CSNI/R(2016)4
Single-phase computational fluid dynamics (CFD) is used more and more for design and safety issues related to light-water reactor (LWR) thermal hydraulics. Over the past ten years, the Working Group ...
Published date:
1 February 2016
NEA/CSNI/R(2013)7
The NEA Working Group on Fuel Safety (WGFS) is tasked with advancing the understanding of fuel safety issues by assessing the technical basis for current safety criteria and their applicability to hi...
Published date:
18 November 2013
Published date:
23 December 2004
Published date:
23 December 1994
NEA/CSNI/R(2009)2
This report documents the proceedings of a Committe on the Safety of Nuclear Installations (CSNI) workshop on risk-informed piping integrity management. Hosted by the Consejo de Seguridad Nuclear (CS...
Published date:
23 September 2009
NEA/CSNI/R(2018)14
Workshop Proceedings
21-23 March 2018, Paris, France
The WGEV “Riverine Flooding – Hazard Assessment and Protection of NPPs” task was designed to share regulatory practices and technical approaches fo...
Published date:
7 September 2020
NEA/CSNI/R(2015)4
The Defence in Depth of Electrical Systems (DIDELSYS) Project (2008-2011) was launched after a switchyard-induced voltage surge event at Forsmark nuclear power plant (NPP) in July 2006 which caused t...
Published date:
12 March 2015
NEA/CSNI/R(2015)4/ADD1
This document contains Appendix 2 (cont'd) and Appendix 3 of the workshop on Robustness of Electrical Systems (ROBELSYS) of Nuclear Power Plants in Light of the Fukushima Daiichi Accident, held in Pa...
Published date:
12 March 2015
Published date:
1 January 1987
Published date:
1 January 1979
NEA/CSNI/R(2012)4
The objective of the Working Group on Fuel Cycle Safety (WGFCS) is to advance the understanding for both regulators and operators of relevant aspects of nuclear fuel cycle safety in member countries....
Published date:
3 July 2013
NEA/CSNI/R(2011)3
In 1998, the Committee on Nuclear Regulatory Activities (CNRA) issued a report on future nuclear regulatory challenges which discussed the potential erosion of safety margins as an area for further r...
Published date:
30 November 2011
NEA/CSNI/R(2007)9
In 1998, the Committee on Nuclear Regulatory Activities (CNRA) issued a report on Future Nuclear Regulatory Challenges. This report discussed the potential erosion of safety margins as an area for fu...
Published date:
1 January 2007
NEA/CSNI/R(2013)10
The NEA’s Working Group on Fuel Cycle Safety (WGFCS), in co-operation with the Working Group on Fuel Safety (WGFS), aimed within the current international workshop to advance the understanding within...
Published date:
23 January 2014
NEA/CSNI/R(2005)10
The OECD/NEA Committee on Safety of Nuclear Installations (CSNI) addressed the issue of modifications at a workshop on “Modifications at Nuclear Power Plants – Operating Experience, Safety Significan...
Published date:
1 December 2005
NEA Committee on the Safety of Nuclear Installations (CSNI) meeting, 4‑5 December 2019.
Published date:
6 December 2019
NEA Committee on the Safety of Nuclear Installations (CSNI) meeting, 4‑5 June 2020.
Published date:
1 July 2020
Published date:
1 January 1995
Published date:
1 January 1996
NEA/CSNI/R(2016)19
One of the imperatives following the accident at the Fukushima Daiichi nuclear power station is for the nuclear science and industry communities to ensure that knowledge gaps in nuclear safety are id...
Published date:
1 February 2017
NEA/CSNI/R(2010)5
Since the time of the first loss-of-coolant accident (LOCA) experiments, which were largely conducted with fresh fuel, changes in fuel design, the introduction of new cladding materials and in partic...
Published date:
15 November 2010
NEA/CSNI/R(2020)16
In the current project, a new systematic approach has been developed, called SAPIUM (systematic approach for input uncertainty quantification methodology) for transparent and rigorous model IUQ. This...
Published date:
30 May 2023
Published date:
23 December 1983
Published date:
1 January 1997
NEA/CSNI/R(1997)27
Lyon, France, 8-10 September 1997
Published date:
1 January 1997
NEA/CSNI/R(2004)19
The Special Expert Group on Fuel Safety Margins (SEGFSM) was established by the Committee on the Safety of Nuclear Installations (CSNI) with the objective to advance the current understanding and to ...
Published date:
7 January 2005
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...
Published date:
14 February 2005
NEA/CSNI/R(2013)11/PART2
The Second Workshop on Seismic Observation in Deep Boreholes and Its Applications (Kashiwazaki WS) was held from 7-9 November 2012 in the City of Kashiwazaki, Niigata, Japan, and co-organised by the ...
Published date:
28 January 2013
NEA/CSNI/R(2013)11/PART1
The Second Workshop on Seismic Observation in Deep Boreholes and Its Applications (Kashiwazaki WS) was held from 7-9 November 2012 in the City of Kashiwazaki, Niigata, Japan, and co-organised by the ...
Published date:
29 January 2013
Published date:
1 January 1996
Published date:
1 January 1987
Published date:
28 June 1999
Published date:
1 January 1998
The Senior Expert Group on Safety Research / Support Facilities for Existing and Advanced Reactors 2 (SESAR/SFEAR2) is responsible for reviewing and updating the previous SESAR assessments of researc...
Published date:
22 April 2020
The Senior Expert Group on Safety Research Opportunities Post-Fukushima (SAREF) was established at the June 2013 CSNI meeting to identify research activities to address safety research knowledge gaps...
Published date:
4 February 2021
Published date:
1 January 1993
Published date:
22 March 2001
Published date:
25 June 2002
Published date:
1 January 1994
NEA/CSNI/R(2012)1
In 2008, the NEA's Working Group on Risk Assessment (WGRISK) issued a report [NEA/CSNI/R(2008)9] addressing the feasibility of a joint international effort on human reliability analysis (HRA) data. T...
Published date:
2 May 2012
NEA/CSNI/R(2017)6
For many years, extensive experimental investigations into the system response of pressurised water reactors (PWRs) under accident conditions have been being conducted at the large-scale Primärkreisl...
Published date:
17 January 2018
Published date:
1 January 1982
Published date:
1 January 1987
EPICUR facility, IRSN.
STEM phases
First phase (2011-2015)
The STEM Project was initiated with a first phase in 20...
Published date:
27 October 2023
Published date:
1 January 1989
Published date:
1 January 1992
Published date:
1 January 1993
Published date:
1 January 1994
Published date:
1 January 1988
Published date:
1 January 1994
Published date:
1 January 1997
Published date:
1 January 1993
Published date:
16 February 1999
Published date:
1 January 1994
Published date:
1 January 1991
Published date:
15 March 2002
Published date:
1 January 1995
Published date:
1 January 1992
Published date:
1 January 1975
Published date:
14 November 2007
Published date:
1 January 1994
NEA/CSNI/R(2021)1
The Specialists Workshop on Advanced Instrumentation and Measurement Techniques for Experiments Related to Nuclear Reactor Thermal Hydraulics and Severe Accidents (SWINTH-2019), co-organised by the S...
Published date:
5 October 2022
Published date:
1 January 1994
Published date:
1 January 1985
Published date:
1 January 1984
Published date:
1 January 1982
Published date:
23 December 1999
Published date:
1 January 1995
Published date:
23 December 1992
Published date:
1 January 1996
NEA/CSNI/R(2007)1
The OECD Nuclear Energy Agency has long recognised the importance of iodine behaviour and has organised workshops and international standard problems on the subject. In the meantime, experimental and...
Published date:
23 February 2007
Published date:
7 October 1999
NEA/CSNI/R(2009)5
The Committee on the Safety of Nuclear Installations (CSNI) mandated the preparation of a SOAR with four main objectives:
- to assess the status of existing experimental data and analytical capabiliti...
Published date:
17 December 2009
Published date:
23 December 1997
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...
Published date:
1 January 2017
NEA/CSNI/R(2006)1
The Committee on Safety of Nuclear Installations (CSNI) Special Experts’ Group on Human and Organisational Factors (SEGHOF) was requested by the Committee on Nuclear Regulatory Actions (CNRA) to exam...
Published date:
16 March 2006
Published date:
1 January 1995
Published date:
1 January 1996
Published date:
1 January 1991
Published date:
1 January 1992
Published date:
1 January 1993
Published date:
1 January 1994
Published date:
26 February 2001
Published date:
1 January 1980
Published date:
1 January 1983
Published date:
1 January 1981
NEA/CSNI/R(2018)1
The mission of the Nuclear Energy Agency (NEA) Committee on the Safety of Nuclear Installations (CSNI) Working Group on Risk Assessment (WGRISK) is to advance understanding of probabilistic safety as...
Published date:
19 December 2018
Published date:
14 December 1989
Published date:
23 December 1991
NEA/CSNI/R(2019)16
Two important lessons learnt from the March 2011 Fukushima Daiichi nuclear power plant (NPP) accident were: 1) there can be significant interactions between multiple co-located radiological sources (...
Published date:
19 April 2021
Published date:
1 January 1998
NEA/CSNI/R(2005)9
In December 2000, the Committee on Nuclear Regulatory Activities (CNRA) and the Committee on the Safety of Nuclear Installations (CSNI) agreed to prepare a state-of-the art report addressing the pres...
Published date:
28 July 2005
NEA/CSNI/R(2017)15
The Status Report on Ex-Vessel Steam Explosion (EVSE) summarises the significant progress made in the field of Fuel Coolant Interaction/Steam Explosion (FCI/SE) knowledge during these last ten years...
Published date:
1 March 2018
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...
Published date:
2 July 2014
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 ...
Published date:
20 January 2015
Published date:
1 January 1998
NEA/CSNI/R(2015)2
Spent fuel pools (SFPs) are large accident-hardened structures that are used to temporarily store irradiated nuclear fuel. Due to the robustness of the structures, SFP severe accidents have long been...
Published date:
4 May 2015
Published date:
1 January 1982
Left: Scheme of Studsvik LOCA test facility Right: Microstructure of fragmented nuclear fuel, Studsvik
Published date:
7 December 2022
NEA/CSNI/R(2011)10
The Studsvik Cladding Integrity Project (SCIP) was initiated in 2004 as an OECD/NEA project with Studsvik Nuclear as the operating agent. Since its start, 27 signatories from 13 countries joined the ...
Published date:
19 January 2012
Published date:
1 January 1995
Published date:
8 December 1997
NEA/CNRA/R(2005)3
In some countries, there is a growing demand for information about NPP performance from the executives, public and media. Such a demand has to be responded to and the information provided need to be ...
Published date:
27 May 2005
NEA/CSNI/R(2020)13
Since 2001, the NEA has supported the Senior Expert Group on Safety Research Thermal-hydraulics (SETH), the Primärkreislauf-Versuchsanlage - Primary Coolant Loop Test Facility (PKL), PKL-2 and PKL-3 ...
Published date:
23 November 2022
NEA/CSNI/R(2017)10
The workshop was held in Lucca, Italy on 13-15 April 2016.
The PKL3 Project tests consisted of a programme of experiments intended to, inter alia, understand complex heat transfer mechanisms in the s...
Published date:
31 January 2018
Published date:
1 January 1994
Published date:
1 January 1995
Published date:
1 January 1994
Published date:
12 April 2002
Published date:
1 January 1994
NEA/CSNI/R(2022)8
Several NEA member countries agreed to establish the Component Operational Experience, Degradation and Ageing Programme (CODAP) to encourage co-operation in the collection and analysis of data relati...
Published date:
13 March 2024
Published date:
8 September 2014
NEA/CSNI/R(2004)1
The present document is a summary record of an experts meeting held in Madrid, Spain on 18-19 November 2003. The purpose of the meeting was to determine the interest in member countries for the types...
Published date:
13 January 2004
Published date:
24 November 2003
Published date:
12 July 2004
Published date:
24 November 2003
Published date:
29 August 2002
Published date:
23 December 1991
NEA/CSNI/R(2017)9
The NEA Advanced Thermal-Hydraulic Test Loop for Accident Simulation (ATLAS) Project is one of the NEA supported joint projects under the auspices and with the support of the NEA. It started from Apr...
Published date:
11 April 2018
NEA/CSNI/R(2021)6
Within the context of the Nuclear Energy Agency (NEA) Advanced Thermal-hydraulic Test Loop for Accident Simulation (ATLAS) project, a series of tests were performed to resolve key thermal-hydraulic s...
Published date:
18 February 2022
NEA/CSNI/R(2008)7
The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Integrity and Ageing of Components and Structures (WGIAGE) has as a general mandate to advance the current understanding o...
Published date:
17 July 2008
Published date:
31 May 2001
Published date:
1 January 1994
Published date:
1 January 1998
NEA/CSNI/R(2006)8
The Committee on the Safety of Nuclear Installations (CSNI), at its meeting in June 2003, agreed to conduct a survey to collect information that help to identify common needs and area of potential co...
Published date:
24 May 2007
Published date:
1 January 1988
Published date:
1 January 1989
Published date:
1 January 1988
Published date:
23 December 1994
Published date:
23 December 1993
Published date:
1 January 1993
A Task Group on Advanced Reactor Experimental Facilities (TAREF) had been set up to provide an overview of facilities suitable for carrying out safety research on gas-cooled and sodium fast reactors....
Published date:
28 April 2020
A Task Group on the Robustness of Electrical Systems of NPPs in Light of the Fukushima Daiichi Accident (ROBELSYS) had been set up to improve the understanding of nuclear power plant electrical syste...
Published date:
22 April 2020
This task group was set up to carry out a pilot project using the methodology propsed in the final SMAP report published in 2007. In this pilot project, the SMAP methodology was applied to the Zion n...
Published date:
27 April 2020
The Task Group on Sump Clogging had been set up to update the State-of-the-art Report (SOAR) on Knowledge Base for Emergency Core Cooling System Recirculation Reliability issued in 1996, and with foc...
Published date:
28 April 2020
Published date:
2 June 1999
Published date:
13 January 2003
NEA/CSNI/R(2010)15
Two subjects – stress corrosion cracking (SCC) and degradation of cable insulation – were selected as the focus of the SCC and Cable Ageing Project (SCAP) due to their relevance for plant ageing asse...
Published date:
13 April 2011
Published date:
1 January 1996
Published date:
6 July 2000
NEA/CSNI/R(2008)11
The NEA Working Group on Human and Organisational Factors (WGHOF) is tasked to improve the current understanding of human and organisational performance and the way in which this impacts upon nuclear...
Published date:
1 January 2009
NEA/CSNI/R(2008)12
The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Human and Organisational Factors (WGHOF) is tasked to improve the current understanding of human and organisational perfor...
Published date:
1 January 2009
Published date:
6 December 1999
Published date:
26 June 2001
Published date:
5 July 1999
Published date:
1 January 1996
Published date:
1 January 1995
Published date:
1 January 1991
Published date:
1 January 1996
NEA/CSNI/R(2023)2
This report provides the results of the fluid structure interaction (FSI) benchmark, which was developed and performed by the designer and engineering company OKBM as part of NEA and ROSATOM activiti...
Published date:
24 April 2024
Published date:
1 January 1996
Published date:
1 January 1985
NEA/CSNI/R(2016)2
The OECD Nuclear Energy Agency-Paul Scherrer Institut (NEA-PSI) Benchmark was initiated to test the capability of state-of-the-art computational fluid dynamics (CFD) and dedicated containment codes ...
Published date:
23 February 2016
Published date:
6 April 2011
Published date:
1 January 1988
Published date:
23 December 1988
NEA/CSNI/R(2008)3
At their meeting of December 2006, the NEA Committee on Nuclear Regulatory Activities (CNRA) and the NEA Committee on the Safety of Nuclear Installations (CSNI) agreed to hold a workshop on the Role ...
Published date:
1 January 2008
Published date:
1 January 1997
Published date:
1 January 1997
Published date:
29 June 1998
Published date:
1 January 1986
NEA/CSNI/R(2017)4
Management of spent fuel (SF) and high-level waste (HLW) is fundamental to the fuel cycle safety. The original management strategies were established on the basis of limited interim storage periods o...
Published date:
19 January 2017
Published date:
31 October 2005
Published date:
1 January 1993
Published date:
1 January 1978
Published date:
1 January 1997
Published date:
10 January 2000
Published date:
1 January 1985
Published date:
23 December 2002
Published date:
25 July 1994
Published date:
1 January 1994
NEA/CSNI/R(2005)8
In 2002, the Committee on the Safety of Nuclear Installations (CSNI) requested the Working Group on the Integrity and Ageing of Reactor Components and Structures (WGIAGE) to prepare a programme of wo...
Published date:
27 July 2005
Published date:
1 January 1989
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...
Published date:
5 January 2005
NEA/CSNI/R(1991)8
Three Mile Island Unit 2 Analysis Exercise Final Report
Published date:
1 January 1991
Published date:
1 January 1991
Published date:
17 August 2006
Published date:
31 January 2003
Published date:
1 January 1995
Published date:
1 January 1996
Published date:
1 January 1978
Published date:
1 January 1980
NEA/CSNI/R(2017)13
The March 2011 accident at Fukushima Daiichi nuclear power plant triggered discussions about the natural external events that are low-frequency but high-consequence. In order to address these issues...
Published date:
16 April 2018
NEA/CSNI/R(2013)12
The current document is an update of the 1995 state-of-the-art report (SOAR) “Knowledge Base for Emergency Core Cooling System Recirculation Reliability”. The content of the present report goes beyon...
Published date:
20 December 2013
NEA/CSNI/R(2013)12/add1
The document contains the appendices of an update of the 1995 state-of-the-art report (SOAR) “Knowledge Base for Emergency Core Cooling System Recirculation Reliability”. The content of the report go...
Published date:
19 December 2013
NEA/CSNI/R(2019)10
This report provides descriptions of the current status of PSA programmes in member countries; including basic background information, guidelines, various PSA applications, major results in recent st...
Published date:
3 November 2020
Published date:
12 October 2007
NEA/CSNI/R(2012)11
The main objective of the Working Group on Risk Assessment (WGRISK) of the Nuclear Energy Agency (NEA)/Committee on the Safety of Nuclear Installations (CSNI) is to advance the probabilistic safety a...
Published date:
3 January 2013
Published date:
1 January 1988
NEA/CSNI/R(2020)12
As noted in the Joint CSNI/CNRA Strategic Plan and Mandates (NEA, 2019), the safe operation of current, new and advanced nuclear facilities is a key challenge for nuclear regulators and technical saf...
Published date:
11 December 2023
Published date:
23 December 2014
Published date:
1 January 1994
NEA/CSNI/R(2001)4
A Report by the OECD Support Group on the VVER Thermal-Hydraulic Code Validation Matrix (2001)
Published date:
16 February 2001
Published date:
26 June 2001
Published date:
16 November 2001
Published date:
19 November 2001
Published date:
26 November 2001
Published date:
1 January 1998
Published date:
11 April 2011
Published date:
17 February 2012
The Working Group on the Analysis and Management of Accidents (WGAMA) focuses on the NEA activities related to potential design-basis and beyond design-basis accidents in nuclear reactors and related...
Published date:
20 December 2023
The main mission of the Working Group on the Safety of Electrical Systems (WGELEC) is to advance the current understanding and address safety issues related to electrical systems of nuclear installat...
Published date:
16 February 2021
The main mission of the Working Group on External Events (WGEV) is to improve the understanding and treatment of external hazards that would support the continued safety performance of nuclear instal...
Published date:
10 February 2022
The objective of the Working Group on Fuel Cycle Safety (WGFCS) is to advance the understanding of relevant aspects of nuclear fuel cycle safety, including: uranium mining and milling; uranium refini...
Published date:
4 October 2022
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...
Published date:
5 April 2023
This working group's objective was to advance the current understanding and to address safety issues related to fuel safety margins, in particular to systematically assess the technical basis for cur...
Published date:
29 April 2020
The Working Group supports improved uses of Probabilistic Safety Assessment (PSA) in risk-informed regulation and safety management through the analysis of results and the development of perspectives...
Published date:
13 March 2024
Published date:
1 January 1992
Published date:
1 January 1990
NEA/CSNI/R(2007)3
Computational fluid dynamics (CFD) is to an increasing extent being adopted in nuclear reactor safety analyses as a tool that enables specific safety relevant phenomena occurring in the reactor coola...
Published date:
1 January 2007
NEA/CSNI/R(2015)17
In the light of the TEPCO Fukushima accident, this report documents a study performed on a set of common-cause failure (CCF) events due to external factors, meaning that not only storms and hurricane...
Published date:
20 October 2015
15 -
18 November 2016
Aomori City, Japan
The Nuclear Energy Agency (NEA) Committee on the Safety of Nuclear Installations (CSNI) Working Group on Fuel Cycle Safety (WGFCS) held an international workshop on Developments in Fuel Cycle Facilit...
Published date:
4 May 2020
Published date:
1 January 1998
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...
Published date:
19 January 2022
Published date:
16 February 1999
22 -
25 March 2022
Videoconference, Zoom
After the Fukushima nuclear accident, many activities were initiated in the countries with nuclear energy to assess the robustness of nuclear power plants with respect to earthquakes, tsunamis and fl...
Published date:
29 March 2022
Published date:
1 January 1998
Published date:
1 January 1998
Published date:
1 January 1998
Published date:
21 February 2000
Published date:
1 January 1992
NEA/CSNI/R(2012)2
Probabilistic Safety Assessment/Probabilistic Risk Assessment (PSA/PRA) for new and advanced reactors is recognised as an important approach to achieve improved safety and performances of new nuclear...
Published date:
23 December 2012
Published date:
1 January 1995
NEA/CSNI/R(2015)15
This workshop, held in Pavia, Italy on 4-6 February 2015, was the fourth in a series of NEA meetings (Tokyo, Japan, August 1999, Jeju, Korea, November 2006, Lyon, France, April 2008), dedicated to pr...
Published date:
7 September 2015
NEA/CSNI/R(2017)8
This report documents a study performed on a set of common-cause failure (CCF) events for diesel generators. The events were derived from the International CCF Data Exchange (ICDE) database and the s...
Published date:
24 August 2017
Published date:
19 July 2002
Published date:
1 January 1998
19 -
21 April 2022
Zoom - REGISTRATION CLOSED
To meet the overall safety objectives and to achieve a balanced plant design, natural hazards have to be considered in the design of nuclear installations. Deriving the strength of such events from a...
Published date:
15 April 2022
Published date:
1 January 1986