Title of article
FuelassemblydesignstudyforareactorwithsupercriticalwaterOriginalResearchArticle
Author/Authors
J.Hofmeister، نويسنده , , C.Waata، نويسنده , , J.Starflinger، نويسنده , , T.Schulenberg، نويسنده , , E.Laurien، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2007
Pages
9
From page
1513
To page
1521
Abstract
TheEuropeanconceptoftheHighPerformanceLightWaterReactor(HPLWR)differsfromcurrentlightwaterreactorsinahighersystempressurebeyondthecriticalpointofwater,aswellasahigherheat-upofthecoolantwithinthecoreandthushighercoreoutlettemperatures,leadingtoasignificantincreaseinturbinepowerandthermalefficiencyofthepowerplant.ThemotivationtodevelopanovelfuelassemblyfortheHPLWRiscausedbythehighvariationofcoolantdensityinthecorebymorethanafactorofseven.Asystematicdesignstudyshowsthatasquarefuelassemblywithtworowsoffuelrodsandacentralmoderatorboxisbesttominimizethestructuralmaterial,tooptimizethemoderatortofuelratioandtoreducedifferencesoffuelrodpower.Usingneutronicandthermal-hydraulicanalyses,adetailedmechanicaldesignofafuelassemblyoftheHPLWRhasbeenworkedout.Moreover,conceptsfortheheadpiece,thefootpiece,thesteamplenumandthelowermixingplenum,includingthelowercoreplate,havebeendevelopedtoaccountfortheindividualflowpathsofthisreactor.Theseallowaleak-tightcountercurrentflowofmoderatorwaterandcoolantaswellasuniformmixingofdifferentmassflows.Theassemblydesignconceptcanbeusedasageneralkeycomponentforanyadvancedcoredesignofthisreactor.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2007
Journal title
Nuclear Engineering and Design Eslah
Record number
941412
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