10:15 AM - 10:30 AM
[3G04] Development of Gas Entrainment Evaluation System for Design Optimization of Sodium-cooled Fast Reactor
Keywords:Sodium-cooled fast reactor, Design optimization, ARKADIA, Dip vortex, Cover gas entrainment
Japan Atomic Energy Agency (JAEA) is developing "ARKADIA" in order to effectively support the development of various reactor systems, including sodium-cooled fast reactors (SFRs). One of the important thermal-hydraulic issues in SFR design is the suppression of cover gas entrainment caused by dip vortices in the free surface of the upper plenum of the reactor. JAEA is developing gas entrainment evaluation system centered on the gas entrainment evaluation tool, "StreamViewer", in ARKADIA. In this report, the overview of gas entrainment evaluation system in ARKADIA, the development status of StreamViewer and the results of applying StreamViewer to the analysis results of the water flow test system and confirming that it is possible to evaluate the gas entrainment phenomenon are reported.
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