Title of article
Failureprobabilityassessmentofwall-thinnednuclearpipesusingprobabilisticfracturemechanicsOriginalResearchArticle
Author/Authors
Sang-MinLee، نويسنده , , Yoon-SukChang، نويسنده , , Jae-BoongChoi، نويسنده , , Young-JinKim، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
9
From page
350
To page
358
Abstract
Theintegrityofnuclearpipingsystemhastobemaintainedduringoperation.Inordertomaintaintheintegrity,reliableassessmentproceduresincludingfracturemechanicsanalysis,etc.,arerequired.Uptonow,thishasbeenperformedusingconventionaldeterministicapproacheseventhoughtherearemanyuncertaintiestohinderarationalevaluation.Inthisrespect,probabilisticapproachesareconsideredasanappropriatemethodforpipingsystemevaluation.Theobjectivesofthispaperaretoestimatethefailureprobabilitiesofwall-thinnedpipesinnuclearsecondarysystemsandtoproposelimitedoperatingconditionsunderdifferenttypesofloadings.Todothis,aprobabilisticassessmentprogramusingreliabilityindexandsimulationtechniqueswasdevelopedandappliedtoevaluatefailureprobabilitiesofwall-thinnedpipessubjectedtointernalpressure,bendingmomentandcombinedloadingofthem.Thesensitivityanalysisresultsaswellasprototypalintegrityassessmentresultsshowedapromisingapplicabilityoftheprobabilisticassessmentprogram,necessityofpracticalevaluationreflectingcombinedloadingconditionandoperationconsideringlimitedcondition.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
895996
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