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Single and two-phase sodium flow analysis for two tucop cabri tests using the ASTEC-Na code

  • Sara Perez-Martin
  • , Werner Pfrang
  • , Giacomino Bandini
  • , Stefano Ederli
  • , Paolo Balestra
  • , Carlo Parisi

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

The development and validation of ASTEC-Na code as a safety code system for severe accident analysis is being performed in the framework of the JASMIN project supported by the European Commission. One of the main tasks of the modelling and validation tasks of this project is devoted to the sodium thermal hydraulic behavior both in single and two-phase regimes. In this paper we present the first ASTEC-Na results of E8 and EFM1 in-pile tests conducted in the CABRI experimental reactor. These two tests are LOF+TOP transients. We present for both CABRI tests a comparison between experimental data and ASTEC-Na results for transient coolant temperatures at different heights, boiling onset time, inlet and outlet flow rate and the evolution of the sodium two-phase front during the boiling time up to TOP onset. Besides, a benchmark is presented comparing ASTEC-Na simulation results with the results of other safety codes such as CATHARE, RELAP5-3D and SAS-SFR.

Original languageEnglish
Title of host publicationInternational Topical Meeting on Nuclear Reactor Thermal Hydraulics 2015, NURETH 2015
PublisherAmerican Nuclear Society
Pages4299-4312
Number of pages14
ISBN (Electronic)9781510811843
StatePublished - 2015
Externally publishedYes
Event16th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, NURETH 2015 - Chicago, United States
Duration: Aug 30 2015Sep 4 2015

Publication series

NameInternational Topical Meeting on Nuclear Reactor Thermal Hydraulics 2015, NURETH 2015
Volume5

Conference

Conference16th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, NURETH 2015
Country/TerritoryUnited States
CityChicago
Period08/30/1509/4/15

Keywords

  • ASTEC-Na
  • Code benchmarking
  • FBR
  • Severe accidents
  • Two-phase sodium

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