%0 Journal Article
%T numericalsimulationofconvectiveheattransferforsupercriticalco2ininclinedtubes
%A yangchuanyong
%A xujinliang
%A wangxiaodong
%A zhangwei
%J ÈÈÁ¦·¢µç
%P 31-35
%D 2013
%X numericalsimulationofconvectiveheattransferforsupercriticalco2incircletubeswithaninclinationof30¡ãwasdeterminedtoinvestigatetheinfluenceofheatfluxandinletmassflowrateontheheattransfercharacteristics.usingtherelativesecondaryflowkineticenergyktoexpressthesecondaryflowintensityquantitatively£¬thedistributionoftubewalltemperatureandheattransfercoefficientintubecircumference£¬theheattransfercoefficientattopgeneratrix£¬thefanningfrictionfactorandtherelativesecondaryflowkineticenergykwereobtained.theresultsshowedthat£¬thetubewalltemperatureattopgeneratrixwashigherthanthatatthebottomgeneratrix£¬andthetopcircumferentialwalltemperaturewashigherthanthatatthebottom.theheatfluxhadlesseffectonheattransfercoefficient£¬thefanningfrictionfactor£¬andtherelativesecondaryflowkineticenergykattopgeneratrix£¬buttheinfluenceofinletmassflowonthemwasgreater.
%K inclinedtube
%K supercriticalparameter
%K co2
%K buoyancy
%K convectionheattransfer
%K secondaryflowkineticenergy
%K walltemperature
%K numericalsimulation
%U http://rlfd.paperopen.com//oa/darticle.aspx?type=view&id=201301008