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
Pages
16
From page
1240
To page
1255
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
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
896075
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