Title of article :
DropletsdepositioninsteampipingconnectingsteamgeneratorandsteamturbineinnuclearplantOriginalResearchArticle
Author/Authors :
J.Katolicky، نويسنده , , Gregory Jicha، نويسنده , , R.Mares، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2007
Abstract :
Anumericalinvestigationiscarriedoutforturbulentdroplet-ladenflowofsaturatedsteamproducedinasteamgenerator(SG)thatfeedssteamturbine(ST)throughalongandmulti-bendsteampiping.Themainpurposeofthestudyistoanalyzedepositionofdropletsthatformawallfilminthepipingsystem.CommercialCFDcodeStarCDisusedforthesolutionofturbulentflowfieldofdroplet-ladensteam.Turbulenceistreatedusingk–ωmodelofturbulence.Wallfilmformationissolvedbyadditionalconservationequations.Twotaskswereperformed:parametricstudyofthedepositionina90°elbowpositionedwithdifferentorientationandthedepositioninamorecomplexpipingsystem.Thissystemstartswithoutletsfromsteamgeneratorwithfivemouthpiecesleadingtoacollectorpipeandconnectingthesteampipingleadingtoasteamturbine.Thesteampipingconsistsofthreestraightsegmentsofpipesandtwo90°elbowsinthetotallength17m.Thediameterofthesteampipingis0.425m.Resultsofthesimulationsshowwheredropletsdepositandwherealiquidseparatorshouldbeplacedtodrainawaythewaterfilmandtoavoiddropletsfromenteringthesteamturbine.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
