Thermal hydraulic performance of tight lattice bundle

Yasushi Yamamoto, Miyuki Akiba, Shinichi Morooka, Kenetsu Shirakawa, Nobuaki Abe

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Recently, the reduced moderation spectrum BWR has been studied. The fast neutron spectrum is obtained through triangular tight lattice fuel. However, there are few thermal hydraulic test data and thermal hydraulic correlation applicable to critical power prediction in such a tight lattice bundle. This study aims to enhance the database of the thermal hydraulic performance of the tight lattice bundle whose rod gap is about 1 mm. Therefore, thermal hydraulic performance measurement tests of tight lattice bundles for the critical power, the pressure drop and the counter current flow limiting were performed. Moreover, the correlations to evaluate the thermal-hydraulic performance of the tight lattice bundle were developed.

Original languageEnglish
Pages (from-to)334-342
Number of pages9
JournalJSME International Journal, Series B: Fluids and Thermal Engineering
Volume49
Issue number2
DOIs
Publication statusPublished - 2006 Nov 15
Externally publishedYes

Keywords

  • Counter current flow limiting
  • Critical power
  • Post-BT
  • Pressure drop
  • Thermal-hydraulics
  • Tight lattice bundle

ASJC Scopus subject areas

  • Mechanical Engineering
  • Physical and Theoretical Chemistry
  • Fluid Flow and Transfer Processes

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