Title of article
SILFIDEexperiment:CoolabilityinavolumetricallyheateddebrisbedOriginalResearchArticle
Author/Authors
K.Atkhen، نويسنده , , G.Berthoud، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
9
From page
2126
To page
2134
Abstract
TheSILFIDEfacilitywasdesignedatEDFR&Dtostudythecoolabilityofadebrisbedinmultidimensionalconfigurations.Thechoiceofinductionheatingmodewasmotivatedbythenecessityfortheheattobegeneratedprimarilywithinthesolidparticlesinsteadofusingexternalheaters.Particlesweresimulatedbysteelbeadswithdiametersrangingfrom2to7mm.CoolabilityissignificantlybetterintermsofCHFvaluesincomparisonwiththeLipinski1Dformulationappliedtotheconditions(especiallywhenconsideringverticallyintegratedpower)wherethedryoutoccursfirst.Theexperimentsalsoshowthatbottomcoolantinjectionisatleasttwotimesmoreefficientthantopcoolantinjection.Withincreasingthermalpower,steadytemperatureoverheatsupto200°Cabovesaturationwereobserved,andthebedwasstillcoolable.Combinedphenomenaconsideredasresponsiblearediscussed:steamflowcoolingwithorwithoutentrainedliquiddropletsinpost-dryoutregime,andpreferentialpathsoffluidinporousmedia.Asaconsequence,thecriticalheatfluxdefinitionundersuchconditionsmustbeconsideredwithcare.Especially,afailureofcoolabilitycannotnecessarilybeconcludedonlyfromtheoccurrenceofdryzones.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941327
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