Modelling of Passive Heat Removal Systems: A Review with Reference to the Framatome BWR Reactor KERENA: Part II

Passive safety systems are an important feature of currently designed and constructed nuclear power plants. They operate independent of external power supply and manual interventions and are solely driven by thermal gradients and gravitational force. This brings up new needs for performance and reli...

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Bibliographic Details
Published in:Energies (Basel) 2020-01, Vol.13 (1), p.109
Main Authors: Manthey, René, Viereckl, Frances, Moonesi Shabestary, Amirhosein, Zhang, Yu, Ding, Wei, Lucas, Dirk, Schuster, Christoph, Leyer, Stephan, Hurtado, Antonio, Hampel, Uwe
Format: Article
Language:English
Subjects:
Boiling
Boiling water reactors
cfd
Computational fluid dynamics
Computer applications
condensation
Containment
containment cooling condensers
Cooling
emergency condensers
Experimental methods
Fluid dynamics
Gravity
Heat
Heat transfer
Hydraulics
Hydrodynamics
Multiphase flow
Nuclear engineering
Nuclear power plants
Nuclear safety
Numerical methods
passive heat removal systems
Reactors
Safety systems
system codes
Two phase flow
two-phase flow instabilities
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Summary:Passive safety systems are an important feature of currently designed and constructed nuclear power plants. They operate independent of external power supply and manual interventions and are solely driven by thermal gradients and gravitational force. This brings up new needs for performance 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 modeling concepts for one-dimensional system codes such as ATHLET, RELAP and TRACE and furthermore for computational fluid dynamics codes. Part I dealt with numerical and experimental methods for modeling of condensation inside the emergency condenser and on the containment cooling condenser. This second part deals with boiling and two-phase flow instabilities.
ISSN:1996-1073
1996-1073
DOI:10.3390/en13010109