Title of article
AnalysisoftheEuropeanresultsontheHTTR’scorephysicsbenchmarksOriginalResearchArticle
Author/Authors
XRaepsaet، نويسنده , , FDamian، نويسنده , , U.AOhlig، نويسنده , , H.JBrockmann، نويسنده , , J.B.MdeHaas، نويسنده , , E.MWallerbos، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2003
Pages
15
From page
173
To page
187
Abstract
IntheframeoftheEuropeancontractHTR-N,aworkpackageisdevotedtothecodevalidationandmethodimprovementsasfarasthehightemperaturegas-cooledreactor(HTGR)coremodellingisconcerned.Institutionsfromthreecountriesareinvolvedinthisworkpackage:FZJinGermany,NRGandIRIintheNetherlands,andCEAinFrance.ThepresentworkisbasedonabenchmarkproblemproposedbyJAERIthroughtheIAEA.ItconcernstheHTTR’sstart-upcorephysicsexperimentsthatwereagoodopportunityfortheEuropeanpartnerstovalidatetheircalculationaltoolsandmethods.Thenumberoffuelcolumnsnecessarytoachievethefirstcriticalityandtheexcessreactivityfor18,24,and30fuelcolumnsinthecorehadtobeevaluated.Pre-testandpost-testcalculationalresults,obtainedbythepartners,arecomparedwitheachotherandwiththeexperiment.Partsofthediscrepanciesbetweenexperimentandpre-testpredictionsareanalysedandtackledbydifferenttreatments.InthecaseoftheMonteCarlocodeTRIPOLI4,usedbyCEA,thediscrepancybetweenmeasurementandcalculationatthefirstcriticalityisreducedtoΔk/k∼0.85%,whenconsideringthereviseddataoftheHTTRbenchmark[Fujimoto,privatecommunication].Inthecaseofthediffusioncodes,thisdiscrepancyisreducedtoΔk/k∼0.8%(FZJ)and2.7or1.8%(CEA).
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2003
Journal title
Nuclear Engineering and Design Eslah
Record number
894537
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