%0 Journal Article
%T numericalsimulationoninternalandexternalflowfieldofascalindirectaircoolingtower
%A tiansongfeng
%A chaiyanqin
%A xiangtongqiong
%A zhouguangsha
%J ÈÈÁ¦·¢µç
%P 26-31
%D 2014
%X accordingtotheactualsizeofcoolingtubebundleandthearrangementofcoolingtriangleofasurfacecondenseraluminumexchangers(scal)naturaldraftcoolingtower,thegeometricmodelofheattransferelementsatthetowerbottomwasestablished.onthebasisoftherngk£¿¦Åturbulencemodelandporousmediummodel,three£¿dimensionalnumericalsimulationwascarriedoutfortheinnerandexternalflowfieldoftheaircoolingtower,toinvestigatetheinfluenceofenvironmentalconditionsonthetower'soperationperformance.theresultsshowthat,withanincreaseinambientwindspeed,theinletairspeedatwindwardsideofthetowerincreasesgradually,whilethatatcrosswindsideandleesidedecreasesandtendstobeobvious;thetowerventilationrateandoutletairspeedincreasesatfirstandthendecreases,andtheirmaximumvaluesappearwhenthewindspeedis2m/s.
%K scalindirectaircooling
%K numericalsimulation
%K ventilationrate
%K exitvelocity
%K porousmedium
%U http://rlfd.paperopen.com//oa/darticle.aspx?type=view&id=201405006