Title of article
Basiclawsandcoolabilityofparticulatedebris:commentsonthestatusandpresentcontributions
Author/Authors
ManfredBürger، نويسنده , , GeorgesBerthoud، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
11
From page
2049
To page
2059
Abstract
AsalreadyindicatedbythecontributionsinPart1ofthisissue,anenhancedcoolabilitycanbeexpectedespeciallyfrommulti-dimensionalcoolantflowsinnon-uniformparticlebeds,comparedwithearlieranalysesbasedonone-dimensionalconfigurationsundertopfloodingandrelateddryoutheatfluxes(DHF).However,assuredbasiclocallawsoffrictionandheattransferinsuchbedsarerequiredtoreallyevaluatethecoolabilitypotentialwithmultidimensionalcomputercodes.Thus,asacommonsubject,thispartofthepresentissuereferstoexperimentalinvestigationsandrelatedmodellingonbasiclawsoffrictionandheattransferinparticlebeds.Sincesuchlawsareofteninvestigatedmainlywithrespecttodryoutphenomena(“dryoutheatflux”:DHF)thisconnectionisalsoaddressedhere.Ageneralimpressionisthattheapproachesarewidelyspread,asconcernsthespecificexperimentalaimsandmethods,therangeofconditionsanalysed,thephenomenaemphasised,theempiricallawsderivedandtheconclusionsindicatedforcoolability,especiallyunderreactorconditions.Thus,itappearstobeimportanttoconfronttheseapproacheswithoneanotherinordertofindacommonlineofmajorsubjectsandofderivationorvalidationofrelevantempiricallaws.Certainly,thiscannotbefinallyreachedhereandbythepresentissue.Afirststepisundertakenhere,tryingtodiscussremainingproblemsandtasksforfuturework.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941321
Link To Document