Title of article :
PhenomenologicalinvestigationsontheturbulentflowstructuresinarodbundlearraywithmixingdevicesOriginalResearchArticle
Author/Authors :
SeokKyuChang، نويسنده , , SangKiMoon، نويسنده , , WonPilBaek، نويسنده , , YoungDonChoi، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Detailedturbulentflowprofileshavebeenmeasuredonasquaresub-channelgeometrywithtypicalmixingdevices.Forafineexaminationofthelateralflowstructureonasub-channelgeometrywith2DLDA,a5×5rodbundlearraywasfabricatedas2.6timeslargerthantherealbundlesize.Themixingdevicesusedwereatypicalsplittypeandaswirltype.TheexperimentswereperformedattheconditionofRe=48,000(axialbulkvelocity1.48m/s)andthewaterloopwasmaintainedattheconditionsof35°Cand1.5barduringanoperation.Asfortheresults,distinctintrinsicflowfeatureswereobservedaccordingtothetypeofmixingdevices.Inatypicalsplittype,therewasnoremarkableswirlingflowwithinasub-channelandthelateralflowwasvigorousinthegaps.Intheswirltype,asingleswirlingflowwasdominantwithinasub-channelandtherewererelativelysmalllateralflowsinthegaps.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
