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Flow pattern analysis in ELECTRA under natural circulation condition of liquid lead
KTH, School of Engineering Sciences (SCI), Physics, Reactor Technology.ORCID iD: 0000-0003-3016-3698
KTH, School of Engineering Sciences (SCI), Physics, Reactor Technology.ORCID iD: 0000-0001-5595-1952
2013 (English)In: Proceedings of the 15th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics, NURETH-15, Pisa, Italy, 2013Conference paper, Published paper (Refereed)
Abstract [en]

ELECTRA is the European lead cooled training reactor, which is a passively liquid lead cooled reactor of compact size fueled with plutonium nitride. This contribution aims at investigating the flow patterns in the reactor vessel and identifying modifications to the design. The investigation is carried out using 3D computational fluid dynamics. The core and the heat exchanger are modeled using the porous media approach in order to reduce the mesh size. The results show that a CFD approach can be used to model a full system such as ELECTRA. Changes to the thermal hydraulic design to ELECTRA are proposed, which include a redesign of the bottom plate to reduce the bypass flow and this way reduce the temperature difference over the core, which at the current design exceeds the design specifications.

Place, publisher, year, edition, pages
Pisa, Italy, 2013.
Keyword [en]
Heavy liquid-metal, thermal-hydraulics, CFD, turbulence model, GEN IV, ELECTRA
National Category
Energy Engineering Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-123779OAI: oai:DiVA.org:kth-123779DiVA: diva2:630109
Conference
The 15th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics, NURETH-15, May 12-17, 2013
Projects
GENIUS
Funder
Swedish Research Council, 47257
Note

Qc 20130718

Available from: 2013-06-18 Created: 2013-06-18 Last updated: 2013-07-18Bibliographically approved

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Thiele, RomanAnglart, Henryk

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • Other locale
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Output format
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