Title of article
Simplifiedmethodtoevaluateupperlimitstressintensityfactorrangeofaninner-surfacecircumferentialcrackundersteadystatethermalstripingOriginalResearchArticle
Author/Authors
ToshiyukiMeshii، نويسنده , , KentaroShibata، نويسنده , , KatsuhikoWatanabe، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
5
From page
1081
To page
1085
Abstract
Simplifiedmethodtoevaluatetheupperlimitstressintensityfactor(SIF)rangeofaninner-surfacecircumferentialcrackinathin-tothick-walledcylinderundersteadystatethermalstripingwasconsideredinthispaper.Theedgesofthecylinderwererotation-restrainedandtheoutersurfacewasadiabaticallyinsulated.TheinnersurfaceofthecylinderwasheatedbyafluidwithconstantheattransfercoefficientwhosetemperaturefluctuatedsinusoidallyatconstantamplitudeΔT.Bycombiningouranalyticaltemperaturesolutionfortheproblemandoursemi-analytical-numericalSIFevaluationmethodforthecrack,weshowedthatthedesiredmaximumsteadystateSIFrangecanbeevaluatedwithanengineeringaccuracyafterΔT,themeanradiustowallthicknessratiorm/Wofthecylinder,thethermalexpansioncoefficientandPoissonʹsratioarespecified.Byapplyingourmethod,notransientSIFanalysisnorsensitivityanalysisofthestripingfrequencyontheSIFrangeisnecessary.Numericalresultsshowedthatourmethodisvalidforcylindersinarangeofrm/W=10–1.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
896060
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