Title of article :
ExperimentalinvestigationofpebblebedsthermalhydrauliccharacteristicsOriginalResearchArticle
Author/Authors :
S.Rimkevi?ius، نويسنده , , E.Uspuras، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Thepurposeofthispaperistopresenttheresultsoftheexperimentalinvestigationofthethermalhydrauliccharacteristicsfortwotypesoftestsections—thinannularpebblebeds(i.e.spheresdumpedinthinannularslots)andpebblebedsplacedbetweencylinders.Theexperimentalresultsofheattransferfromthespheresandfromacylinder,aswellashydraulicdragforbothtypesoftestsectionsarepresentedinthispaper.TheresultsofperformedexperimentsinthecaseofthinannularpebblebedsdemonstratedthatmaximumheattransferandhydraulicdragisattherelativewidthoftheannularslotKequalto1.07and1.75ofspheresdiameter.TheheattransferininternallayersatthesevaluesofKisequaltotheheattransferintheinternallayersoflarge(unlimited)rhombicpacking.Theresultsoftheexperimentalinvestigationofpebblebedsbetweencylindersdemonstratedthattherandomlyarrangedpebblebedispreferabletotheregularrhombicstructurefromthepointofviewofdesignsimplicity,heattransferfromthecylinderanddragcoefficient.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
