Dinsdale, A T; Gisby, J A; Davies, H; Konings, R*; Benes, O* (2013) Thermodynamic data to model the interaction between coolant and fuel in gen IV sodium cooled fast reactors. In: 3rd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA)., 23-27 June 2013, Marseille, France.

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Abstract

Understanding the behaviour of nuclear fuels in various environments is vital to the design and safe operation of nuclear reactors. While this is true if the reactor is operating within its design specification, it is even more so if accidents occur and the fuel is exposed to unexpected temperatures, pressures or chemical environments. It is clearly hazardous and costly to explore all such scenarios experimentally and therefore it is necessary to undertake modelling where possible using well-grounded theoretical approaches. This paper will show examples of where calculations of chemical and phase equilibria have been applied successfully to the long term storage of nuclear waste, phase formation during core meltdown and prediction of fission product release into the atmosphere. It will also highlight the development of thermodynamic data carried out during the European Metrology Research Project Metrofission required to model the potential interaction between the coolant, nuclear fuel, containment materials and atmosphere of a sodium cooled fast reactor.

Item Type:	Conference or Workshop Item (UNSPECIFIED)
Subjects:	Advanced Materials Advanced Materials > Thermodynamics
Identification number/DOI:	10.1109/ANIMMA.2013.6728048
Last Modified:	02 Feb 2018 13:14
URI:	http://eprintspublications.npl.co.uk/id/eprint/6089

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