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Coupling of melcor with the pecm for improved modelling of a core melt in the lower plenum
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2015 (English)In: International Conference on Nuclear Engineering, Proceedings, ICONE, JSME , 2015Conference paper, Published paper (Refereed)
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Text
Abstract [en]

MELCOR contains a coupling interface based on the MPI-Standard, which enables the communication to other codes such as RELAP5 or GASFLOW. However a detailed knowledge of this coupling interface in MELCOR is necessary to use this possibility. Therefore, at the KIT the software tool DINAMO (Direct Interface for Adding Models) has been developed. This program contains the coupling routines as well as an interface to communicate with other programs. Using DINAMO it is also possible to utilize new or enhanced models for phenomena, which occur during a severe accident in a nuclear power plant, in MELCOR without modification of the MELCOR source code. In the present work MELCOR calculations of experiments in the LIVE-Facility are presented. The LIVE-Facility is used to simulate the behavior of a melt in the lower plenum of a reactor pressure vessel (RPV). For these calculations we coupled MELCOR via DINAMO with the Phase-Change Effective Convectivity Model (PECM), which has been developed at the KTH in Stockholm. Using the PECM it is possible to improve the prediction of a core melt in the lower plenum of a RPV in case of a core melt accident.

Place, publisher, year, edition, pages
JSME , 2015.
Keyword [en]
Coupled codes, LIVE, Lower head, MELCOR, PECM
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-184194Scopus ID: 2-s2.0-84959049239OAI: oai:DiVA.org:kth-184194DiVA: diva2:915551
Conference
23rd International Conference on Nuclear Engineering: Nuclear Power - Reliable Global Energy, ICONE 2015, 17 May 2015 through 21 May 2015
Note

QC  20160330

Available from: 2016-03-30 Created: 2016-03-30 Last updated: 2016-03-30Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf