Trace V5 code application dvi line break loca using atlas facility

Fabio Veronese, Tomasz Kozlowsk

Research output: Contribution to journalArticlepeer-review


The object of this work is the validation and assessment of the TRACE v5.0 code using the scaled test ATLAS1 facility in the context of a DVI2 line break. In particular, the experiment selected models the 50%, 6-inch break of a DVI line. The same experiment was also adopted as a reference test in the ISP-503. The ISP-50 was proposed to, and accepted by, the OECD/NEA/CSNI due to its technical importance in the development of a best-estimate of safety analysis methodology for DVI line break accidents. In particular, the behavior of the two-phase flow in the upper annulus downcomer was expected to be complicated. What resulted was the need for relevant models to be implemented into safety analysis codes, in order to predict these thermal hydraulic phenomena correctly.

Original languageEnglish (US)
Pages (from-to)719-726
Number of pages8
JournalNuclear Engineering and Technology
Issue number7
StatePublished - Oct 2012


  • ATLAS facility
  • DVI line break
  • ISP-50
  • Loop seal clearing
  • Trace

ASJC Scopus subject areas

  • Nuclear Energy and Engineering


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