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Joint project
Rig-of-safety Assessment (ROSA) Project

Scheme of the ROSA LSTF facility, JAEA

 

The Rig-of-safety Assessment (ROSA) Project aimed to resolve issues in thermal-hydraulics analyses relevant to light water reactor (LWR) safety using the Japa...

Accident analysis and management Thermal hydraulics Nuclear safety research Accident management
Published date: 31 August 2023
Joint project
Rod Bundle Heat Transfer (RBHT) Project

Photo: RBHT Test Facility. US NRC.

Modelling reactor core behaviour under accident conditions with delayed re-introduction of cooling water (commonly referred to as reflood) is a challenge for safety...

Accident analysis and management Thermal hydraulics Nuclear safety research Accident management
Published date: 13 December 2022
Joint project
Sandia Fuel Project (SFP)

Photos: SFP testing. Left: fuel assembly after a Zr fire; right: fire ignition test. SNL/USNRC.

The goal of the Sandia Fuel Project was to provide experimental data relevant for hydraulic and ignitio...

Fuel in nuclear safety Nuclear fuel Accident analysis and management Fuel cycle facility safety Nuclear safety research Joint project …
Published date: 9 December 2022
Joint project
Sandia Lower Head Failure Project

During a severe accident, the lower head of a reactor pressure vessel (RPV) can be subjected to significant thermal and pressure loads. The lower head has the potential to fail, releasing large amoun...

Risk assessment Accident analysis and management Nuclear safety research Joint project Safety of components and structures …
Published date: 21 April 2020
Joint project
Second Framework for Irradiation Experiments (FIDES‑II)

The NEA Second Framework for Irradiation Experiments (FIDES-II) supports the fuel and material experimental needs of nuclear safety regulators, technical support organisations, research institutions ...

Fuel in nuclear safety Nuclear fuel Nuclear science FIDES Nuclear safety research Accident tolerant fuels Reactor fuel performance …
Published date: 13 June 2023
Joint project
SESAR Thermal-Hydraulics (SETH) Project

The SESAR Thermal-hydraulics (SETH) Project began in 2001 and consisted of thermal-hydraulic experiments in support of accident management, which were carried out at facilities identified by the Comm...

Thermal hydraulics
Published date: 16 April 2020
Joint project
Sorption Project

Sorption is a combination of physical and chemical processes by which the migration of radionuclides in the geosphere (and possibly from a radioactive waste repository) can be slowed down under certa...

Sorption Project Thermodynamics Thermodynamic data Joint project
Published date: 28 May 2020
Joint project
Source Term Evaluation and Mitigation (STEM) Project

STEM phases

First phase (2011-2015)

The STEM Project was initiated with a first phase in 2011 to improve the general ...

Fuel in nuclear safety Risk assessment Accident analysis and management Nuclear safety research CSNI Safety Safety research …
Published date: 8 April 2020
Joint project
Steam Explosion Resolution for Nuclear Applications (SERENA) Project

The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Analysis and Management of Accidents (WGAMA) initiated a co-ordinated programme on Steam Explosion Resolution for Nuclear ...

Risk assessment Accident analysis and management Information, data and knowledge management Nuclear safety research Ancillary data Safety of components and structures …
Published date: 20 April 2020
Joint project
Stress Corrosion Cracking and Cable Ageing Project (SCAP)

The Stress Corrosion Cracking and Cable Ageing Project (SCAP) lasted four years (2006-2010). The project’s main objectives were to:

  • establish two complete databases with regard to major ageing pheno...
Joint project
Published date: 17 April 2020
Joint project
Studsvik Cladding Integrity Project (SCIP)

Left: Scheme of Studsvik LOCA test facility Right: Microstructure of fragmented nuclear fuel, Studsvik

Fuel in nuclear safety Nuclear fuel Fuel cycle facility safety Nuclear safety research CSNI Back-end …
Published date: 7 December 2022
Joint project
Studsvik Material Integrity Life Extension (SMILE) Project

Studsvik’s pool facility for storage and inspection of SMILE materials, left: 29 tonnes transportation flask, three pools each about 8 meters deep; and right: pool-in-pool for cutting and inspections...

Long-term operation Nuclear safety research LTO Safety of components and structures
Published date: 11 October 2022
Joint project
THAI Experiments on Mitigation measures, and source term issues to support analysis and further Improvement of Severe accident management measures (THEMIS) Project

In the wake of the THAI project, conducted in three phases from 2007 until 2019, a new project, "THAI Experiments on Mitigation measures, and source term issues to support analysis and further Improv...

Fission products Accident analysis and management Thermal hydraulics Nuclear safety research Joint project Accident management …
Published date: 24 July 2023
Joint project
Thermal-hydraulics, Hydrogen, Aerosols and Iodine (THAI) Project

The experimental investigations carried out in the frame of the THAI (2007-2009) and THAI-2 (2011-2014) projects contributed significantly to improve the understanding of hydrogen and fission-product...

Fission products Accident analysis and management Thermal hydraulics Nuclear safety research Joint project Accident management …
Published date: 18 February 2022
Joint project
Thermochemical Database (TDB) Project

The Thermochemical Database (TDB) Project develops a reference database of chemical thermodynamic values for elements and compounds relevant to the safety of radioactive waste repositories and vital ...

Thermodynamics TDB Radioactive waste management Data Bank Thermochemical database Joint project Chemical thermodynamic series …
Published date: 28 May 2020
Joint project
Thermodynamic Characterisation of Fuel Debris and Fission Products Based on Scenario Analysis of Severe Accident Progression (TCOFF)

Image: Microscopic examination of U-bearing particles collected at Fukushima-Daiichi, JAEA

TCOFF Phases

First Phase (2017-2020)

The Thermodynamic Characterisation of Fuel Debris and Fission Products ...

Nuclear science Fission products Fukushima Thermodynamic data Nuclear safety research Safety research …
Published date: 31 August 2023
Joint project
Material science Structural materials Fuel studies Nuclear science Materials science Thermodynamic data TAF-ID …
Published date: 2 August 2023
Joint project
Thermodynamics of Advanced Fuels – International Database (TAF-ID) public version

The TAF-ID public version contains only data already published in open literature. Currently, the following systems are available in the public version:

  • oxide-carbide fuel (U-Pu-O-C, released Decemb...
Material science Fuel studies Nuclear science Materials science Thermodynamics Thermodynamic data Databases TAF-ID Codes and programs …
Published date: 23 February 2023
Joint project
Three Mile Island Reactor Pressure Vessel Investigation Project (TMI-VIP)

On 28 March 1979, a partial meltdown of the Three Mile Island unit 2 (TMI-2) reactor occurred at the TMI nuclear power plant near Harrisburg, Pennsylvania, United States.

A TMI accident evaluation pr...

Risk assessment Accident analysis and management Fuel cycle facility safety Nuclear safety research Safety of components and structures …
Published date: 20 April 2020