Title of article :
UncertaintyandsensitivityanalysesoftheKozloduypumptriptestusingcoupledthermal–hydraulic3DkineticscodeOriginalResearchArticle
Author/Authors :
AnisBousbiaSalah، نويسنده , , SoerenKliem، نويسنده , , UlrichRohde، نويسنده , , FrancescoD’Auria، نويسنده , , AlessandroPetruzzi، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2006
Abstract :
Themodelingofcomplextransientsinnuclearpowerplants(NPP)remainsachallengingtopicforbestestimatethree-dimensionalcoupledcodecomputationaltools.Thistechniqueis,nowadays,extensivelyusedsinceitallowsdecreasingconservatisminthecalculationmodelsandperformsmorerealisticsimulationandmorepreciseconsiderationofmultidimensionaleffectsundercomplextransientsinNPPs.Therefore,largeinternationalactivitiesareinprogressaimingtoassessthecapabilitiesofcoupledcodesandthenewfrontiersforthenucleartechnologythatcouldbeopenedbythistechnique.Inthecurrentpaper,acontributiontotheassessmentandvalidationofcoupledcodetechniquethroughtheKozloduyVVER100pumptriptestisperformed.Forthispurpose,thecoupledRELAP5/3.3-PARCS/2.6codeisused.Thecoderesultswereassessedagainstexperimentaldata.DeviationsbetweencodepredictionsandmeasurementsaremainlyduetotheusedmodelsforevaluatingandmodelingoftheDopplerfeedbackeffect.Furtherinvestigationsthroughtheuseoftwo“antagonist”uncertaintyGRSandtheCIAUmethods,wereconsideredinordertoevaluateandquantifytheoriginoftheobserveddiscrepancies.Itwasrevealedononehandthatrelativeerrorquantificationdiscrepanciesexistbetweenthetwoapproaches,andfurtherenhancementsforbothmethodsareneeded.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
