Title of article
Numericaldesignofa20MWlead–bismuthspallationtargetforanaccelerator-drivensystemOriginalResearchArticle
Author/Authors
C.HCho، نويسنده , , T.YSong، نويسنده , , N.ITak، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
11
From page
317
To page
327
Abstract
Aspallationtargetsystemisakeycomponenttobedevelopedforanaccelerator-drivensystem(ADS).Itisknownthata15–25MWspallationtargetisrequiredforthepracticalsizeofanADS.Althoughtherehavebeensomedesignstudiesforsmallpowerspallationtargets,thatis,lessthan10MW,designsofhighpowertargetsystemsforADSarerelativelyrare.Thedesignofa20MWspallationtargetisverychallengingbecausemorethan60%ofthebeampowerisdepositedasheatinasmallvolumeofthetargetsystem.Inthepresentwork,anumericaldesignstudywasperformedtogetoptimaldesignparametersfora20MWspallationtargetfora1000MWADS.Thecylindricalbeamtubeandthehemisphericalbeamwindowwereadoptedinthebasictargetdesignconceptwith1GeVprotonenergy,andthethermal-hydraulicandthestructuralanalyseswereperformedwiththeCFXandANSYScodes.Thebeamwindowdiameterandthicknesswerevariedtofindtheoptimalparametersetbasedonthedesigncriteria:maximumlead–bismutheutectic(LBE)temperature<500°C,maximumbeamwindowtemperature<600°C,maximumLBEvelocity<2m/s,andthemaximumbeamwindowstress<160MPa.Theresultsofthepresentstudyshowthata40cmwideprotonbeamwithauniformbeamprofileshouldbeadoptedforthespallationtargetof20MWpower.Itwasfoundthata2.5mmthickbeamwindowisneededtosustainthemechanicalload.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894720
Link To Document