Title of article
Modelingofvoid,fastpowerandgraphitetemperaturereactivitycoefficientsmeasurementsforthevalidationofRELAP5-3DRBMK-1500reactormodelOriginalResearchArticle
Author/Authors
EUspuras، نويسنده , , AKaliatka، نويسنده , , EBubelis، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
17
From page
29
To page
45
Abstract
ThispaperdealswiththemodelingofRBMK-1500specifictransientstakingplaceatIgnalinaNPP:measurementsofvoidandfastpowerreactivitycoefficients,aswellaschangeofgraphitecoolingconditionstransient.ThesimulationofthesetransientswasperformedusingRELAP5-3DcodemodelofRBMK-1500reactor.AttheIgnalinaNPPvoidandfastpowerreactivitycoefficientsaremeasuredonaregularbasisandbasedontheobtainedexperimentalresultstheactualvaluesofthesereactivitycoefficientsaredetermined.Graphitetemperaturereactivitycoefficientattheplantisdeterminedbychanginggraphitecoolingconditionsinthereactorcavity.Thistypeoftransientisuniqueandimportantfromthepointofviewofmodelvalidationforthegapbetweenfuelchannelandthegraphitebricks.Themeasurementresults,obtainedduringthistransient,enabledtodeterminethethermalconductivitycoefficientforthisgapandtovalidatethegraphitetemperaturereactivityfeedbackmodel.TheperformedvalidationofRELAP5-3DmodelofIgnalinaNPPRBMK-1500reactorallowedtoimprovethemodel,whichinthefuturewouldbeusedforthesafetysubstantiationcalculationsofRBMK-1500reactors.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894775
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