Title of article
Analyticaltooldevelopmentforcoarsebreak-upofamoltenjetinadeepwaterpoolOriginalResearchArticle
Author/Authors
KiyofumiMoriyama، نويسنده , , HideoNakamura، نويسنده , , YuMaruyama، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
16
From page
2010
To page
2025
Abstract
AcomputercodeJASMINE-prewasdevelopedforthepredictionofpremixingconditionsoffuel–coolantinteractionsanddebrisbedformationbehaviorrelevanttosevereaccidentsoflightwaterreactors.InJASMINE-precode,ameltmodelwhichconsistsofthreecomponentsofsub-modelsformeltjet,meltparticlesandmeltpool,iscoupledwithatwo-phaseflowmodelderivedfromACE-3DcodedevelopedatJAERI.Themeltjetandmeltpoolmodelsareone-dimensionalrepresentationsofamoltencorestreamfallingintoawaterpoolandacontinuousmeltbodyagglomeratedonthebottom,respectively.Themeltparticlesgeneratedbythemeltjetbreak-uparemodeledbasedonaLagrangiangroupedparticleconcept.Additionally,asimplifiedmodelpmjetwasdevelopedwhichconsidersonlysteadystatebreak-upofthemeltjet,coolingandsettlementofparticlesinastationarywaterpool.TheFAROcoriumquenchingexperimentswithasaturationtemperaturewaterpoolandasubcooledwaterpoolweresimulatedwithJASMINE-preandpmjet.JASMINE-prereproducedthepressurizationandfragmentationbehaviorobservedintheexperimentswithareasonableaccuracy.Also,theinfluencesofmodelparametersonthepressurizationandfragmentationwereexamined.Thecalculationresultsshowedaquasi-steadystatephaseofmeltjetbreak-upduringwhichtheamountofmoltenmasscontainedinthepremixturewaskeptalmostconstant,andthesteadystatemoltenpremixedmassesevaluatedbyJASMINE-preandpmjetagreedwell.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941319
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