TRACE Code Validation for BWR Spray Cooling Injection Based on GÖTA Facility Experiments
NURETH-14 - 2011 September 25-30


Presented at:
NURETH-14
2011 September 25-30
Location:
Toronto, Canada
Session Title:
B13-1 Development, Assessment and Applications of TRACE

Authors:
Stefano Racca (Politecnico di Torino)
Tomasz Kozlowski (Royal Institute of Technology)
  

Abstract



Best estimate codes have been used in the past thirty years for the design, licensing and safety of NPP. Nevertheless, large efforts are necessary for the qualification and the assessment of such codes. The aim of this work is to study the main phenomena involved in the emergency spray cooling injection in a Swedish designed BWR. For this purpose, data from the Swedish separate effect test facility GÖTA have been simulated using TRACE version 5.0 Patch 2. Furthermore, uncertainty calculations have been performed with the propagation of input errors method and the identification of the input parameters that mostly influence the peak cladding temperature has been performed.

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