Title of article
PSB-VVERsimulationofKozloduyNPP“lossoffeedwatertransient”OriginalResearchArticle
Author/Authors
P.P.Groudev، نويسنده , , A.E.Stefanova، نويسنده , , R.V.Gencheva، نويسنده , , M.P.Pavlova، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
12
From page
925
To page
936
Abstract
ThispaperprovidesacomparisonbetweenthePSBtestfacilityexperimentalresultsobtainedduringthesimulationoflossoffeedwatertransient(LOFW)andthecalculationresultsreceivedbyINRNEcomputermodelofthesametestfacility.Integralthermal-hydraulicPSB-VVERtestfacilitylocatedatElectrogorskResearchandEngineeringCenteronNPPsSafety(EREC)wasputinoperationin1998.Thestructureofthetestfacilityallowsexperimentalstudiesundersteadystate,transientandaccidentconditions.
RELAP5/MOD3.2computercodehasbeenusedtosimulatethelossoffeedwatertransientinaPSB-VVERmodel.ThismodelwasdevelopedattheInstituteforNuclearResearchandNuclearEnergyforsimulationoflossoffeedwatertransient.
Theobjectiveoftheexperiment“lossoffeedwater”,whichhasbeenperformedatPSB-VVERtestfacilityissimulationofKozloduyNPPLOFWtransient.OneofthemainrequirementstotheexperimentscenariohasbeentoreproduceallmaineventsandphenomenathatoccurredinKozloduyNPPduringtheLOFWtransient.AnalyzingthePSB-VVERtestwithaRELAP5/MOD3.2computercodeasastandardproblemallowsinvestigatingthephenomenaincludedintheVVERcodevalidationmatrixas“integralsystemeffects”and”naturalcirculation“.ForassessmentoftheRELAP5capabilitytopredictthe“Integralsystemeffect”phenomenonthefollowingRELAP5quantitiesarecomparedwithexternaltrends:theprimarypressureandthehotandcoldlegtemperatures.InordertoassesstheRELAP5capabilitytopredictthe“Naturalcirculation”phenomenonthehotandcoldlegtemperaturesbehaviorhavebeeninvestigated.
ThisreportwaspossiblethroughtheparticipationofleadingspecialistsfromKozloduyNPPandwiththesupportofArgonneNationalLaboratory(ANL),undertheInternationalNuclearSafetyProgram(INSP)oftheUnitedStatesDepartmentofEnergy
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
894898
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