Title of article
ProbabilityassessmentofgraphitebrickintheHTR-10OriginalResearchArticle
Author/Authors
SuyuanYu، نويسنده , , HaiyanLi، نويسنده , , ChaoyangWang، نويسنده , , ZhenshengZhang، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
10
From page
133
To page
142
Abstract
AprobabilityfiniteelementassessmentprogramwasdevelopedtoevaluatethesecurityofgraphitecomponentsintheHTR-10(10MWhightemperaturegas-cooledreactor-testmodule),basedontheMARCnon-linearfiniteelementcodeandthestrengthuncertaintyofthegraphitematerial.Usinguser-definedsubroutines(UDS),theirradiationthermalanalysissubroutine,irradiationstaticanalysissubroutineandprobabilityassessmentsubroutineareembeddedintotheMARCprogram.TherecompiledMARCprogramtakeintoaccountirradiation-inducedchangesingraphitecomponentssuchasthethermalconductivitycoefficient,thethermalexpansioncoefficient,thecreepcoefficient,theelasticmodulus,andthestrength.ThefailureprobabilitiesofthegraphitecomponentsintheHTR-10,eitherundernormaloperatingconditionsorcoldshutdownconditions,wereevaluated.Additionalanalysesweredonewiththeirradiationdeformationincreasing20%andthecreepcoefficientdecreasing20%,toseetheinfluenceofirradiationdeformationandthecreepeffectonthefailureprobability.Thestudyshowedthattheprobabilityfiniteelementassessmentmethodisaneffectivetooltoassesstheprobabilityofstructurefailure.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894646
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