Title of article
Integratedmodularwaterreactor(IMR)designOriginalResearchArticle
Author/Authors
RalfAhlstrand، نويسنده , , MichelBièth، نويسنده , , ClaudeRieg، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
14
From page
253
To page
266
Abstract
Integratedmodularwaterreactor(IMR)hasbeendevelopedasoneoftheadvancedsmall-scalelightwaterreactors,withathermaloutputof1000MW.TheIMRadoptsnaturalcirculationandself-pressurizationintheprimarycoolingsystem,andareactorvesselbuilt-insteamgenerators.Thecoredesignhasbeenperformedusingthecurrentlightwaterreactortechnology.Thermal-hydraulicsensitivityanalyseshavebeendonefromtheviewpointofthedeparturefromnucleateboiling(DNB)limitation.TheIMRcore,with9721×21-typefuelassembliesandnaturalcirculationintheprimarycoolantsystem,showsagoodnuclearandthermal-hydraulicbehaviorandgoodallowablemarginsfortheDNBphenomenon.Thereactivitychangewithburnupisabout1%Δkbyusingburnableabsorbers,andonly12rod-cluster-controlsareusedthroughtheoperatingcycle.The20m-heightreactorvesselenclosessteamgeneratorsinvaporandliquidportions.PlantdynamicanalyseshavebeenalsoperformedinordertoevaluatetheIMRbehaviorfromtheviewpointsofplantoperationandcontrol.ThisstudyshowsthattheIMRwilloperatewithenoughmarginsforthecoresafetyandwillbestablycontrolledforloaddemandchangesexpectedduringnormaloperations.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894737
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