ctf/dyn3d multi-scale coupled simulation of a rod ejection transient on the nuresim platform

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ID: 154750
2017
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Abstract
In the framework of the EU funded project NURESAFE, the subchannel code CTF and the neutronics code DYN3D were integrated and coupled on the NURESIM platform. The developments achieved during this 3-year project include assembly-level and pin-by-pin multiphysics thermal hydraulics/neutron kinetics coupling. In order to test this coupling, a PWR rod ejection transient was simulated on a MOX/UOX minicore. The transient is simulated using two different models of the minicore. In the first simulation, both codes model the core with an assembly-wise resolution. In the second simulation, a pin-by-pin fuel-centered model is used in CTF for the central assembly, and a pin power reconstruction method is applied in DYN3D. The analysis shows the influence of the different models on global parameters, such as the power and the average fuel temperature, but also on local parameters such as the maximum fuel temperature.
Reference Key
prin2017nuclearctf/dyn3d Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Yann Périn;Kiril Velkov
Journal Journal of hazardous materials
Year 2017
DOI
10.1016/j.net.2017.07.010
URL
http://www.sciencedirect.com/science/article/pii/S1738573317302838
Keywords
multi-scale atomic power

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