Title of article :
HeatremovalcharacteristicsofaconcretecaskbyasimplifiedtestmodelOriginalResearchArticle
Author/Authors :
TomonariKoga، نويسنده , , YasuhikoTominaga، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Thepresentstudyisconcernedwiththecharacteristiccoolingflowintheannulargapofaconcretecaskusedtostorespentnuclearfuel.Theconcretecaskiscooledbyanaturalconvectionflowofairpassingthroughaninternalannulargapbetweentheoutsideofacanisterandtheinsideoftheconcretevessel.Theheattransfercoefficientandfrictionlosscoefficientofsuchaflowcouldnotbefullyestimatedevenifweusedexistinghandbooks,becausetheairflowhasuniquefeatures.Simulationexperimentsusingasimplifiedmodelforthecoolingpathhavebeenconductedtoestimatetheheattransfercoefficientandfrictionlosscoefficient.Itwasfoundbythisstudythattheheattransfercoefficientwellagreedwiththepredictionbyanempiricalformulaappliedtothefreeconvection,andthefrictionlosscoefficientwas2–2.5timesthevalueofanisothermalflow.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
