Title of article
ReviewofdebrisbedcoolingintheTMI-2accidentOriginalResearchArticle
Author/Authors
W.ChristophMüller، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
11
From page
1965
To page
1975
Abstract
StilltodayafterdecadesofsevereaccidentresearchitisnotwellunderstoodwhythemoltencoriumdidnotattackorevenpenetratethelowerheadvesselwallintheTMI2accident.Thefindingscanonlybeexplainedbyadditionalassumptionswhichhavebeenproposedbyvariousauthors.ThispaperisalsolookingforanexplanationbyexaminingtheroleofthedebriscoolingintheTMIlowerhead.Thepresentknowledgeofdebriscoolingisbasedonsmall-scaleexperimentswithsimulantdebris.Itisarguedthattheexperimentshavebeenstoppedtoearlyandthereforedonotrevealthepotentialofdebrisbedcoolabilityincaseofacoriumdebrisbed.ItisalsoarguedthatinTMIthedebrisbedwasinastateofturbulenceandfluidizationsuchthatthecoolabiltywasmuchhigherthaninthesmall-scaleexperiments.BasicallythispaperhypothesizesthattheunknownphenomenonintheTMI2accidentisthestronginteractionofthedebrisparticlesofawiderangeofgrainsizesandthestrongturbulentmotionofthecoolingfluidandvapormixtureinconjunctionwitha“virtualgap”atthevesselwall.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941315
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