Reference : Modelling of Passive Heat Removal Systems: A Review with Reference to the Framatome K...
Scientific journals : Article
Engineering, computing & technology : Mechanical engineering
Modelling of Passive Heat Removal Systems: A Review with Reference to the Framatome KERENA BWR Reactor: Part I
Moonesi Shabestary, Amirhossein []
Viereckl, Frances []
Zhang, Yu []
Manthey, Rene []
Lucas, Dirk []
Schuster, Christoph []
Leyer, Stephan mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Hurtado, Antonio []
Hampel, Uwe []
[en] passive heat removal systems ; condensation ; containment cooling condensers
[en] Passive safety systems are an important feature of currently designed and constructed
nuclear power plants. They operate independent of external power supply and manual interventionsand are solely driven by thermal gradients and gravitational force. This brings up new needs forperformance and reliably assessment. This paper provides a review on fundamental approaches to model and analyze the performance of passive heat removal systems exemplified for the passive heat removal chain of the KERENA boiling water reactor concept developed by Framatome. We discuss modelling concepts for one-dimensional system codes such as ATHLET, RELAP and TRACE and furthermore for computational fluid dynamics codes. Part I deals with numerical and experimental methods for modelling of condensation inside the emergency condensers and on the containment cooling condenser while part II deals with boiling and two-phase flow instabilities.

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