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NEA Document
Ability of Current Advanced Codes to Predict Core Degradation, Melt Progression and Reflooding: Benchmark Exercise on an Alternative TMI-2 Accident Scenario
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...

English WGAMA Accident analysis and management Fuel cycle facility safety Nuclear safety research Safety assessment CSNI Safety Safety of components and structures Risk assessment Benchmark Probabilistic risk assessment …
Published date: 3 August 2009
NEA Document
Progress Made in the Last Fifteen Years Through Analyses of the TMI-2 Accident Performed in Member Countries
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...

English Three Mile Island WGAMA Accident analysis and management Fuel cycle facility safety Nuclear safety research Safety assessment CSNI Safety Safety of components and structures Risk assessment Probabilistic risk assessment …
Published date: 10 March 2005
NEA Document
Improving Low Power and Shutdown PSA Methods and Data to Permit Better Risk Comparison and Trade-off Decision-making: Volume 2 – Responses to the WGRISK Survey
NEA/CSNI/R(2005)11/VOL2

This report is a joint effort of the Committee on the Safety of Nuclear Installations (CSNI) Working Group on Risk Assessment (WGRISK) and the Co-operative Probabilistic Risk Assessment (COOPRA) prog...

English WGRISK Nuclear safety research Safety assessment CSNI Probabilistic risk assessment …
Published date: 20 September 2005
NEA Document
Improving Low Power and Shutdown PSA Methods and Data to Permit Better Risk Comparison and Trade-off Decision-making: Volume 1 – Summary of COOPRA and WGRISK Surveys
NEA/CSNI/R(2005)11/VOL1

This report is a joint effort of the Committee on the Safety of Nuclear Installations (CSNI) Working Group on Risk Assessment (WGRISK) and the Co-operative Probabilistic Risk Assessment (COOPRA) prog...

English WGRISK Nuclear safety research Safety assessment CSNI Probabilistic risk assessment …
Published date: 21 September 2005
NEA Document
Improving Low Power and Shutdown PSA Methods and Data to Permit Better Risk Comparison and Trade-off Decision-making: Volume 3 – Responses to the COOPRA Survey
NEA/CSNI/R(2005)11/VOL3

This report is a joint effort of the Committee on the Safety of Nuclear Installations (CSNI) Working Group on Risk Assessment (WGRISK) and the Co-operative Probabilistic Risk Assessment (COOPRA) prog...

English WGRISK Nuclear safety research Safety assessment CSNI Probabilistic risk assessment …
Published date: 20 September 2005
NEA Document
Operational Safety of Geological Repositories - Proceedings of the Joint NEA/IAEA Workshop
NEA/RWM/R(2019)6

In July 2016, the Nuclear Energy Agency (NEA) and the International Atomic Energy Agency (IAEA) held a joint workshop to evaluate the current state of the art on operational safety of geological repo...

EGOS Safety assessment Repository Safety
Published date: 30 November 2021
NEA Document
TMI-2 Analysis Exercise Final Report
NEA/CSNI/R(1991)8

Three Mile Island Unit 2 Analysis Exercise Final Report

English Accident analysis and management Fuel cycle facility safety Nuclear safety research Safety assessment CSNI Joint project Safety Safety of components and structures Risk assessment Probabilistic risk assessment Accident management …
Published date: 1 January 1991
NEA Document
TMI-2 Examination Results from the OECD-CSNI Programme: Volume 1
NEA/CSNI/R(1992)9/VOL1
English Accident analysis and management Fuel cycle facility safety Nuclear safety research Safety assessment CSNI Joint project Safety Safety of components and structures Risk Risk assessment Probabilistic risk assessment …
Published date: 1 January 1991
Other
Two decades of Safety Case Development: An IGSC 20th Anniversary Brochure

The NEA Integration Group for the Safety Case (IGSC) has served as the most important and effective international platform for developing and integrating the science and engineering necessary to unde...

English Safety provisions of radioactive waste management Operational safety Performance assessments Radioactive waste management IGSC Safety assessment Geological disposal Safety case …
Published date: 21 December 2020
Publications and Reports
Engineered Barrier Systems (EBS) in the Safety Case: The Role of Modelling

In the deep disposal of radioactive waste, the presence of several barriers serving complementary safety functions enhances confidence that the waste will be isolated and contained to protect human h...

English Modelling and simulation Engineered barrier system (EBS) Deep geological repository (DGR) Geochemical modelling Radioactive waste management IGSC Safety assessment Geological disposal Proceedings Safety case …
Published date: 16 February 2007