Provision of Technical Support for Independent Confirmatory Safety Analysis of UK HPR1000
Awarded 30 Jun 2019
About
The Health & Safety Executive awarded a contract to Gesellschaft fur Anlagen-und Reaktorsicherheit (GRS) gGmbH for the provision of technical support services to perform independent confirmatory safety analysis.
The contractor is required to develop a thermal hydraulic system code computer model of the UK HPR1000, using a pragmatic approach to ensure the model can be applied to a selection of fault transients without developing redundant capabilities.
The model should utilise a point kinetic approach for reactor physics initially, with a view to coupling with a more sophisticated reactor physics model in the final phase.
It should also include a basic consideration of containment response, with flexibility to develop and couple a more detailed containment model if needed.
Additionally, the contractor will develop a core physics computer model of the UK HPR1000, deriving neutron cross sections for each proposed fuel assembly type as a function of irradiation and other dependencies, determining the nominal power distribution for full-power conditions, and developing a 3D transient core model suitable for fault transient analysis.
The adequacy of the predicted steady state performance will be confirmed by comparison against core power-distribution data.
The contract value is AUD 1,454,832.
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