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KIT multi-physics tools for the analysis of design and beyond design basis accidents of light water reactors

  • V. Sanchez , A. Miassoedov , M. Steinbrück and W. Tromm
Published/Copyright: April 19, 2016
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Abstract

This paper describes the KIT numerical simulation tools under extension and validation for the analysis of design and beyond design basis accidents (DBA) of Light Water Reactors (LWR). The description of the complex thermal hydraulic, neutron kinetics and chemo-physical phenomena going on during off-normal conditions requires the development of multi-physics and multi-scale simulations tools which are fostered by the rapid increase in computer power nowadays. The KIT numerical tools for DBA and beyond DBA are validated using experimental data of KIT or from abroad. The developments, extensions, coupling approaches and validation work performed at KIT are shortly outlined and discussed in this paper.

Kurzfassung

Dieser Artikel beschreibt die numerische Simulationstools, welche am KIT erweitert, validiert und angewandt werden, um auslegungs- und auslegungsüberschreitende Störfälle in LWR zu untersuchen. Die Beschreibung komplexer neutronenphysikalischen, thermohydraulischen und physikalisch-chemischen Phänomene, die unter Störfallbedingungen stattfinden können, erfordert die Entwicklung multi-skaliger und multi-physikalischer Ansätze, welche durch die vorfügbare Rechenkapazitäten begünstigt werden. Die am KIT eingesetzten Simulationstools für auslegungs- und auslegungsüberschreitende Störfälle werden anhand eigener oder externer experimenteller Daten validiert. Die Entwicklungen, Erweiterungen, Kopplungsarbeiten und Validierungen am KIT werden in diesem Artikel kurz beschrieben und diskutiert.


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Received: 2015-12-15
Published Online: 2016-04-19
Published in Print: 2016-04-27

© 2016, Carl Hanser Verlag, München

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Summaries/Kurzfassungen
  4. Summaries
  5. Editorial
  6. Selected contributions from 1th Sino-German Symposium on Fundamentals of Advanced Nuclear Safety Technology
  7. Technical Contributions/Fachbeiträge
  8. Scientific codes developed and used at GRS – Nuclear simulation chain
  9. Challenges on innovations of newly-developed safety analysis codes
  10. Validation of system codes for plant application on selected experiments
  11. Progress of Experimental Research on Nuclear Safety in NPIC
  12. Severe accident research activities at Helmholtz-Zentrum Dresden-Rossendorf (HZDR)
  13. THAI experimental programme for containment safety assessment under severe accident conditions
  14. A spray cooling technique for spent fuel assembly stored in pool
  15. KIT multi-physics tools for the analysis of design and beyond design basis accidents of light water reactors
  16. Coupled neutronics/thermal-hydraulics and safety characteristics of liquid-fueled Molten Salt Reactors
  17. 10.3139/124.110680
  18. Validation of the ATHLET-SC code by trans-critical transient data
  19. Qualification of CFD-models for multiphase flows
  20. The reactor dynamics code DYN3D
  21. Critical flow phenomena and modeling in advanced nuclear safety technology
  22. 10.3139/124.110682
  23. Safety and security aspects in design of digital safety I&C in nuclear power plants
  24. Thermohydraulic safety issues for liquid metal cooled systems
  25. Design and safety analysis of the helium cooled solid breeder blanket for CFETR
  26. Qualification of pebble fuel for HTGRs
  27. High temperature reactors for cogeneration applications
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