2018第三届国际机械透平学术citc中文稿件

PaperID:CITC CITC,April12,2018;Chong朱晓农胡四兵StudyonEffectFactorModelofMultiphaseFlowNetworkSystem Si-bing Jie Chao Xiao(HefeiGeneralMachineryResearchAnhuiProvinceKeyLaboratoryofCompressorTechnologyAbstract:Inthispaper,basedonthepracticalneedsofengineering,theresearchonthesystemeffectandadditionalresistancecalculationmethodbasedonmulti-phaseflowmediumandtheresearchontheactivelyreducingtheresistanceofthesystemarecarriedout.Theinfluencingfactormodelofthesystemeffectofmultiphaseflowpipenetworkisproposedandthe"softwareforcalculatingtheresistanceoffanpipenetworkandtheadditionalresistanceofthesystemeffect"isdeveloped.Itwassuccessfullyappliedtoanon-ferrousmetallurgyenterprisepipenetworksystemmatchingresearchandimplementation,greatlyreducingthesystemresistance,tosolvethefanandsystemmatchingissuesandimprovethefanoperatingefficiency,Greatlyreducingtheactualoperationofequipment,energyconsumption.Keywords:multi-phaseflowmedium;systemeffect;additionalresistance;activelyreducing Copyright©bythe多相流学科研究具有两种以上不同相态或不同组分的物质共存并有明确分界面的多相Cv（又可分为稀相和浓相两种d、颗粒的配级组成Σdi△Pi、固料和连续相的重率γs和γ、颗粒形状及固液气的物化性质等。对于层流,阻力系数λ与雷诺数可用下式表示λ=

λ

eR=eτ

Bρm=ρw×1−Cv1−εe+ρq×εe+ρg×Cv(1−εe) ∆P=λ

×ρ

m进口或出口面积比、多相流介质密度相关，如式（6）：Kad=f(1、1、 ∆Pad=10lgA+1.96261×(lgV−lgB) 机管网阻力及系统效应附加阻力计算”软件。该软件基于VB6.5Office2007Excel环61示。软件对85%≤A2≤

92%≤A1≤ 长度L不小于按下式计算所得数值：Leq=Deq

:2CFD数值模拟分析计算了在多相流环集下风3%41所示。从表中可以看出