单锥旋流器分离过程的三维数值模拟黄思

244Vol124,No14西华大学学报#自然科学版JournalofXihuaUniversity#NaturalScience20057Jul12005:1673-159X(2005)04-0043-03:2005-04-21:(1962-),,,,,黄思1,周先华2(11,510641;21,200060):FLUENT,,10%:;;;FLUENT:TQ05118+4;TV13116:A3-DNumericalSimulationforOi-lwaterSeparationand2-phaseTurbulentFlowinaSingle-coneHydrocycloneHUANGSi,ZHOUXian-hua(1.DepartmentofIndustrialEquipmentandControlEngineering,SouthChinaUniversityofTechnology,Guangzhou510641China;2.ShanghaiOrientalPumpsCorporation,Shanghai200092China)Abstract:Athree-dimensionaloi-lwater2-phaseturbulentflowandseparationprocessinasingle-conehydrocycloneisnumericallysimulatedusingFLUENTsoftware.TheEulerianmodelofamultiphaseflowandReynolds-stressturbulencemodelarebothappliedtothissimulationforgeneralapplications,concerningwithphaseswithvolumetricratioover10%andanisotropicturbulentflowdominatedbyswirlinginthehydrocyclone.Itiswellshowninthesimulationthathowseparation,aggregationandshiftofoilandwaterproceedinasingle-conehydrocyclone.Thecurrentsimulationisverifiedbycomparingpredictedandmeasuredseparationefficiencyofthehydrocyclone.Keywords:hydrocyclonenumericalsimulation;oi-lwaterseparation;3-D2-phaseflow;FLUENT0引言80,(),1,,();()11多相湍流模型理论计算方法Navier-Stokes,,10%,,,10%,,[12](RSM)(LES),,Fluent,,[34]2模拟实例与计算前处理2112[5],121DnDL1L3AsADoDu20mm2Dn2Dn30Dn01061PD2n3b0114Dn015DnAs21222Q(m3/h)F(%)A(%)Q(kg/m3)L(kg/m-s)115107099801001003308900100332[5],33213FluentGambit,,4Fluent,:1):2;(5%);2):2,;3):,4Gambit3计算结果及分析3115~7(10%,30%,3,),55,,,()67644#2005,77:();();5(:10B1)6(:20B1)7(:20B1)3128(01)T*T*=1000Qt/LA(1)Q,LA313,EE=AoQoAiQi=1-AuQuAiQi(2),iou8(:20B1),(2)[5]33Q(m3/h)F(%)A(%)E(%)E(%)119210%5%918914,,,4结论Fluent,10%,,,(96)454:1AB1=AAB+180b-BBA12=AB1+180b-B1A23=A12+180b-B2,,ACD=AAB+(n+2)@180b-EB:Ac=A+(n+2)@180b-EB(1)EB,AA:A=A+(n+2)@180b-EB(2),EBEB,,fB=EB-EB(3)(1)(2)(3):fB=-(Ac-A)(4)=EB+A-A-(n+2)@180b(5)1122AB1=AAB-180b+BBA12=AB1-180b+B1A23=A12-180b+B2-AcCD=AAB-(n+2)@180b+EB:Ac=A-(n+2)@180b+EB(6):A=A-(n+2)@180b+EB(7)(5)(6)(3):fB=(Ac-A)(8)=EB-A+A+(n+2)@180b(9)2(4)(8),,,,(3)(5)(9),,,,fB=(Ac-A),,,2结语,,,,,,,,[1],.[M].:,1981.[2].[M].:,1996.[3].[M].:,2000.[4],.[M].:,2002.(责任编辑:李蓝)(45)[1]Launder,B.E1,Reece,G.J.andRodi,W1,ProgressintheDevelopmentofaReynolds-StressTurbulenceClosure[J].J.FluidMech1,1975,68(3):537-5661[2]FuS1,LaunderB.E.andLeschzinerM.A1,ModelingstronglyswirlingrecirculatingjetflowwithReynolds-stresstransportclosures[C].Proc6thSympTurbulentShearFlows,Toulouse1987.[3]Cokljat,D1,Ivanov,V.A1,Sarasola,F.J.andVasquez,S.A1,Multiphasek-epsilonModelsforUnstructuredMeshes[C].Proc.ASMEFluidsEngineeringDivisionSummerMeeting,Boston,USA20001[4]Slack,M1,Cokljat,D.andVasquez,S.A1,Reynolds-StressModelforEulerianMultiphase[C].Proc4thInt.SymponTurbulenceHeatandMassTransfer,BegellHouseInc2003,1047-10541[5]Colman,D1,TheHydrocycloneforSeparatingLightDispersions[D],Ph1D.Thesis,UniversityofSouthampton,England19811(责任编辑:周剑华)96#2005