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Uncertainty and sensitivity analysis for the simulation of a station blackout scenario in the Jules Horowitz Reactor

Alberto Ghione (Institutionen för fysik, Subatomär fysik och plasmafysik (Chalmers)) ; Brigitte Noel ; Paolo Vinai (Institutionen för fysik, Subatomär fysik och plasmafysik (Chalmers)) ; Christophe Demazière (Institutionen för fysik, Subatomär fysik och plasmafysik (Chalmers))
Annals of Nuclear Energy (0306-4549). Vol. 104 (2017), p. 28-41.
[Artikel, refereegranskad vetenskaplig]

An uncertainty and sensitivity analysis for the simulation of a station blackout scenario in the Jules Horowitz Reactor (JHR) is presented. The JHR is a new material testing reactor under construction at CEA on the Cadarache site, France. The thermal-hydraulic system code CATHARE is applied to investigate the response of the reactor system to the scenario. The uncertainty and sensitivity study was based on a statistical methodology for code uncertainty propagation, and the 'Uncertainty and Sensitivity' platform URANIE was used. Accordingly, the input uncertainties relevant to the transient, were identified, quantified, and propagated to the code output. The results show that the safety criteria are not exceeded and sufficiently large safety margins exist. In addition, the most influential input uncertainties on the safety parameters were found by making use of a sensitivity analysis.

Nyckelord: Jules Horowitz Reactor, Station blackout, CATHARE, Uncertainty propagation, Sensitivity analysis, URANIE



Denna post skapades 2017-03-01. Senast ändrad 2017-05-17.
CPL Pubid: 248328

 

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Institutioner (Chalmers)

Institutionen för fysik, Subatomär fysik och plasmafysik (Chalmers)

Ämnesområden

Termisk energiteknik

Chalmers infrastruktur