Title of article :
AnalysisofradioactivityreleasesintheMEGAPIEreferenceaccidentOriginalResearchArticle
Author/Authors :
KonstantinMikityuk، نويسنده , , PaulCoddington، نويسنده , , FriedrichGr?schel، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
AcomputermodelfortheMEGAwattPilotTargetExperiment(MEGAPIE)wasdeveloped,verifiedandappliedtotheanalysisofthereferenceaccident,resultingfromthehypotheticallossofaPb–Biinventoryandsubsequentcoolingdownofthetargetwithfreeconvectionoftheatmosphericair.Theradioactivityreleasescausedbyevaporationofactivationproductsfromthelead–bismuthfilmsonthesurfacesofthetargetinnerstructuresareestimated.Themaximumradioactivityreleaseswerefoundtobefromevaporationofthemercuryandpoloniumestimatedas7.0×1011and6.2×108Bq,respectively.Thermalconductivityandradiationheattransferthroughthegasgapswerefoundtobemoreimportantmechanismofthetargetcoolingdownthantheatmosphericairconvection.ThefinalconclusionmadeonthebasisoftheworkisthatMEGAPIEinthereferenceaccidentmeetsthe1mSvcriterion.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah