Title of article
Air–steamleakagethroughcracksinconcretewallsOriginalResearchArticle
Author/Authors
H.Simon، نويسنده , , G.Nahas، نويسنده , , N.Coulon، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2007
Pages
9
From page
1786
To page
1794
Abstract
InthecontextofasevereaccidentinaPWRnuclearplant,theevaluationoftheleakagethroughthecontainmentwallremainsakeypointofthesafetyanalysis.Herewecalculatetheleakageofanairsteammixturethroughatraversingcracktakingintoaccountcondensation.A40htesthasbeenperformedonarepresentativeconcreteslabwithmeasurementsofcrackopeningsandflowrates.TheCAST3Mcodeenablesustosimulatethistestbymakingthermo-mechanicalcalculationsandcalculationoftheleakageflowrate.Thermo-mechanicalcalculationsprovidedataneededbytheleakagecalculationswhicharenotmeasurableintheexperiment.Thesearetheinternalcrackprofiles(variationoftheopeningwiththecurvilinearcoordinateofthecrackinsidetheconcreteslab).Thermo-mechanicalcalculationsaredifficulttoperformbecauseboundaryconditionsofthetestarecomplicated.Leakagecalculationsareperformedwithvarioushypothesesfortheinternalcracksprofiles.Acoefficientisappliedonthefrictionfactortotakeintoaccountadditionalcomplexityofthecrackgeometry.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2007
Journal title
Nuclear Engineering and Design Eslah
Record number
941360
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