Title of article :
ReviewofdebrisbedcoolingintheTMI-2accidentOriginalResearchArticle
Author/Authors :
W.ChristophMüller، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2006
Abstract :
StilltodayafterdecadesofsevereaccidentresearchitisnotwellunderstoodwhythemoltencoriumdidnotattackorevenpenetratethelowerheadvesselwallintheTMI2accident.Thefindingscanonlybeexplainedbyadditionalassumptionswhichhavebeenproposedbyvariousauthors.ThispaperisalsolookingforanexplanationbyexaminingtheroleofthedebriscoolingintheTMIlowerhead.Thepresentknowledgeofdebriscoolingisbasedonsmall-scaleexperimentswithsimulantdebris.Itisarguedthattheexperimentshavebeenstoppedtoearlyandthereforedonotrevealthepotentialofdebrisbedcoolabilityincaseofacoriumdebrisbed.ItisalsoarguedthatinTMIthedebrisbedwasinastateofturbulenceandfluidizationsuchthatthecoolabiltywasmuchhigherthaninthesmall-scaleexperiments.BasicallythispaperhypothesizesthattheunknownphenomenonintheTMI2accidentisthestronginteractionofthedebrisparticlesofawiderangeofgrainsizesandthestrongturbulentmotionofthecoolingfluidandvapormixtureinconjunctionwitha“virtualgap”atthevesselwall.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
