NEA/CSNI/R(2012)7
The objective of the OECD Nuclear Energy Agency (NEA) Working Group on Fuel Cycle Safety (WGFCS) is to advance the understanding for both regulators and operators of relevant aspects of fuel cycle sa...
Published date:
1 January 2012
NEA/CSNI/R(2012)3
A set of fuel-related safety criteria was presented – along with both the rationale for having such criteria and possible new design and operational issues which could have an effect on them – in the...
Published date:
1 January 2012
NEA/CSNI/R(2011)13
The primary role of the OECD Nuclear Energy Agency (NEA) Working Group on Human and Organisational Factors (WGHOF) is to improve the current understanding and treatment of human and organisational fa...
Published date:
1 January 2012
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(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
Acceptance criteria for emergency core cooling systems (ECCS) define the maximum temperature and degree of oxidation in order to avoid excessive embrittlement and hence failure of the fuel cladding, ...
Published date:
21 September 2011
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
NEA/CSNI/R(2011)2
The Operating Plan describes CSNI responsibility and organisation, overall scope of work and working methods, and is supplemented by the so-called CSNI Activity Report, which contains a description o...
Published date:
19 April 2011
This report provides an overview of experimental facilities that can be used to carry out nuclear safety research for sodium fast reactors and identifies priorities for organising international co-op...
Published date:
15 April 2011
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...
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13 April 2011
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11 April 2011
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6 April 2011
NEA/CSNI/R(2011)4
The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme, promoted by the Working Group on Analysis and Management of Accidents (WGAMA) and endorsed by the Committee on t...
Published date:
28 March 2011
NEA/CSNI/R(2010)8
An NEA specialists’ meeting “Identifying and Overcoming Barriers to Effective Consideration of Human and Organisational Factors in Event Analysis and Root Cause Analysis” was held in Paris, France on...
Published date:
8 March 2011
NEA/CSNI/R(2010)13
The idea of a benchmark study on risk-informed in-service inspection (RI-ISI) was initially developed within a subgroup of the ENIQ Task Group on Risk. The preliminary JRC project proposal was endors...
Published date:
26 January 2011
NEA/CSNI/R(2010)11
Severe accident management guidelines (SAMGs) increase focus on containment integrity after some progression in the course of a severe accident. This change in priorities is made according to criteri...
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18 January 2011
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6 January 2011
NEA/CSNI/R(2011)7
The NEA Committe on the Safety of Nuclear Installations (CSNI), noting that different approaches to determining cladding embrittlement criteria produced nearly identical limits, asked the Working Gro...
Published date:
1 January 2011
NEA/CSNI/R(2010)12
In 2007, the NEA Committee on the Safety of Nuclear Installations (CSNI) completed a study on Nuclear Safety Research in OECD Countries: Support Facilities for Existing and Advanced Reactors (SFEAR) ...
Published date:
1 January 2011
NEA/CSNI/R(2010)7
The NEA Working Group on Fuel Safety (WGFS) is tasked with advancing the current understanding of fuel safety issues by assessing the technical basis for current safety criteria and their applicabili...
Published date:
15 December 2010
NEA/CSNI/R(2010)10/VOL2
A joint workshop of the Working Group on the Analysis and Management of Accidents (WGAMA) and the Working Group on Risk Assessment (WGRISK) on implementation of severe accident management (SAM) measu...
Published date:
3 December 2010
NEA/CSNI/R(2010)10/VOL1
A joint workshop of the Working Group on the Analysis and Management of Accidents (WGAMA) and the Working Group on Risk Assessment (WGRISK) on implementation of severe accident management (SAM) measu...
Published date:
3 December 2010
NEA/CSNI/R(2010)9
The Task on the Core Exit Temperature (CET) thermocouple effectiveness in Accident Management (AM) was initiated based on a discussion held by the NEA’s Committe on the Safety of Nuclear Installation...
Published date:
26 November 2010
NEA/CSNI/R(2010)4
The objective of the NEA’s 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 coun...
Published date:
24 November 2010
NEA/CSNI/R(2010)6
The NEA Working Group on Fuel Safety (WGFS) is tasked with advancing understanding of fuel safety issues by assessing the technical basis for current safety criteria and their applicability to high b...
Published date:
15 November 2010
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/CNRA/R(2011)1
This Joint Strategic Plan for the Committee on Nuclear Regulatory Activities (CNRA) and the Committee on the Safety of Nuclear Installations (CSNI) takes into account the evolving statut of the nucle...
Published date:
7 October 2010
NEA/CSNI/R(2010)2
This document is an extension of the NEA/SEN/SIN/AMA(2006)2 report produced by Writing Group 3 on the extension of computational fluid dynamics (CFD) to two-phase flow safety problems. Writing Group ...
Published date:
21 July 2010
NEA/CSNI/R(2010)3
In June 2005, the Committee on the Safety of Nuclear Installations (CSNI) agreed to set up an expert meeting on the German proposal concerning the THAI Project. The objectives of the project were to ...
Published date:
22 June 2010
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7 May 2010
Published date:
6 May 2010
NEA/CSNI/R(2010)1
In 1986, a working group of the NEA Committee on the Safety of Nuclear Installations issued a state-of-the-art report on water reactor fuel behaviour in design-basis accident (DBA) conditions. The re...
Published date:
23 April 2010
Published date:
24 March 2010
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
NEA/CSNI/R(2009)12
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:
6 January 2010
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23 December 2009
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23 December 2009
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23 December 2009
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23 December 2009
NEA/CSNI/R(2009)13
The Best-estimate Methods – Uncertainty and Sensitivity Evaluation (BEMUSE) programme, promoted by the Working Group on Accident Management and Analysis (WGAMA) and endorsed by the Committee on the S...
Published date:
21 December 2009
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
NEA/CSNI/R(2009)9
The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Integrity and Ageing of Components and Structures (WGIAGE) considered there was a need to review the state-of-the-art tech...
Published date:
14 December 2009
It is a dynamic time for the nuclear power sector. Existing reactor control rooms are undergoing various forms of modernisation. New reactors are being built in many countries and advanced reactors a...
Published date:
11 December 2009
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
NEA/CSNI/R(2009)10
The NEA Committee on the Safety of Nuclear Installations (CSNI) authorised formation of a task group in January 2008 to examine Defence in Depth of Electrical Systems and Grid Interaction with nuclea...
Published date:
9 November 2009
NEA/CSNI/R(2009)19
Several OECD member countries agreed to establish the OECD/NEA Piping Failure Data Exchange Project (OPDE) to encourage multilateral co-operation in the collection and analysis of data relating to de...
Published date:
5 November 2009
NEA/CSNI/R(2009)6
In 2000, the Committee on the Safety of Nuclear Installations (CSNI) approved the establishment of a Fire Incident Records Exchange Project on collection of data on fire events at nuclear power plant...
Published date:
24 September 2009
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(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
NEA/CSNI/R(2009)3
This Phase II exercise was the first benchmarking of severe accident codes promoted by NEA in almost 20 years. The objective of the exercise was to perform a code benchmark on a well-defined plant (s...
Published date:
3 August 2009