Title of article
DetailedCFX-5studyofthecoolantmixingwithinthereactorpressurevesselofaVVER-1000reactorduringanon-symmetricalheat-uptestOriginalResearchArticle
Author/Authors
MichaelB?ttcher، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
8
From page
445
To page
452
Abstract
AspartofthereactordynamicsactivitiesofFZK/IRS,thequalificationofadetailed3DCFDmodelofareactorpressurevesselisakeystepinsafetyevaluationsforimprovingpredictivecapabilitiesandacceptabilityofcommercialCFDtoolsinreactorphysics.TheVVER-1000CoolantTransientBenchmark,initiatedbyOECD,representsanexcellentopportunityforvalidation.InthisworkaCFDmodelforthecompleteVVER-1000reactorpressurevesselispresented.Duetocomputationallimitssimplificationsofthecoreandofsomeothergeometricaldetailsareintroduced.Thesimulatedscenarioistheheat-upofonecoolantloopincaseoftheisolationofasteamgeneratorwhilethereactorisoperatingatalowpowerlevel.Twotransientrunswithafirstandsecondorderapproximationofthespatialdiscretizationareperformed.Unexpectedly,thefirstordermethodrevealsbetteragreementwithmeasureddata.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2008
Journal title
Nuclear Engineering and Design Eslah
Record number
895017
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