Title of article
Considerationsonex-vesselcoriumbehavior:Scenarios,MCCIandcoolability
Author/Authors
H.-J.Allelein، نويسنده , , M.Bürger، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
17
From page
2220
To page
2236
Abstract
Theaimofthiseditorialarticleistoprovidesomestructuringofthesubjectaddressedinthispartoftheissue,which,intheviewofthepresentauthors,hasnotthatclearlybeenreachedbythespecificcontributions.Ex-vesselcoriumbehaviorisawidefield.Therefore,classificationofthegoalsofinvestigationswithinasafetyphilosophyisespeciallyrequiredtogetnotlostindetailedaspects.Theoverallgoalsherearethecoolabilityandretentionoptionsunderex-vesselconditions.Basedonscenarioconsiderationsgenerallyaddressingrisksandoptions,generalprinciplesofcoolingandretentiondevicesareoutlined.Sincetheconcreteerosionbymeltyieldsamajorriskandhastobeconsideredintheconceptsanddevices,andalsosinceseveralcontributionstothispartaredealingwithspecificaspectsofthismoltencore-concreteinteraction(MCCI),alargepartofthiseditorialpaperconcernsthestatusofknowledgeandmodelingandthelinesofresearchinthisarea.ThestatusandtheperspectivesofcodesisespeciallyaddressedbyowncontributionsofoneoftheauthorswiththeGRScodeWEXandwithMEDICIS,bothcodesincludedintheEuropeanintegralcodeASTEC.Finally,thecoolabilityquestionsarediscussedwithrespecttothedifferentconceptsingeneralandthoseaddressedspecificallyinthepresentcontributions.Insomeconsiderations,gasproductionbyerosionplaysaroletoproduceporousorparticulatedebrisandthustoenhancecoolability.Waterinjectionfrombottomisamoredirectandprobablymoreeffectivemeasuretoreachthis,specificallydesignedintheCOMETcorecatcherconcept.Specificcontributionsinthispartdealwiththisconcept,whichismostcloselyrelatedtothegeneralsubjectofthepresentissue.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941334
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