comsol旋轉(zhuǎn)燃燒器的模擬操作實例

1、comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /418/41 /418/41component1:流體性質(zhì)設(shè)置mumix丁FluidPropertiesDensit):Dynamicviscosity入口邊界條件設(shè)置UjrtNormalinllovv口cityVeTocrtyfield2Specrfyturbulenlilength?calrandintensity_piNturbulencevaruiblesTurbulentintenrty!Turbulencelength占ual亡:VelocityTurbulenceConditionsk呂時TJnit與0.07-Di出口邊界條件設(shè)置tBoun

2、dary-ConditionPresureCGndition5PressureVj?Nornidlflaw0SuppressbackflowFressLr&網(wǎng)格的設(shè)置Dis:ribu7icn*BuildSelectedHBuildAllLabel:Distribution1BoundarySele亡tionSelection:ManualActive+-ftfta.骨”DistributionDistributionproperties:Elementratio:5Distributionmethod:ArithmeticsequenceSymmetricdistributionReverse

3、directionDisribuicnBuildSelectedHBuildAllActive*DistributionDistributionproperties:PredefineddistributiontypeNumber口felements;200Elemeritratio:20Distributionmethod;ArithmeticsequenceGymmetricdistributionReversedirectioncomponent2:建模部分矩形1*SecLiort01RoutingEntiiies廠Crtate-stbcban5矩形2ReccingleBuildSele

4、ctedTBuildAllObjectsSizetRota廿口門4門|Rotation:0degLayersSelectionsofResultingEntitiesCreateselections匚ontributeto:NoneNewchamfer1e|htsnEevErtew:PthDilSIDEuidGuildMlClhjertsLdbal：Chiatt-ifarI脅PointsVcrtsestocharrrerdsdiDHsaFRasullingEnlitwE廠IimEc-sekctionfArthDGrapics.q：tij-s心十再旨曰鬲過帆國.盤削、圍國因。0HiblUnion

5、BuildSelectedTBuildAllObjectsUnionnputobjects:ActiveSelectionsofResultingEntitiesCreatesel&ctiorsLabel;Union1KR_Rjinpntnhjpch;_已pinteriorboundareRelativerepairtolerance:IE-6匚ciritribLiteto:NoneNewTP/6T17/6a*平戶oppviejpen)ppyeauqppy(jeaui|)i.uaujGagsuaiuBaspappysiuauuBasuoSioj厶54330iivpi!na山paaiaspi!n

6、amf/Qd半兩sfiuinas謝適出番m*制陽鷺鳥瀚龜朝QSW8comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /4111/41 /4111/41 /4110/41meshcontroledge1N-Sih二匸門丁口EdgesBuildSelectedBuildAllLabel:Mesh匚ontrolEdges1Edgestoinclude;向口Active臣ricludeadjacentverticesFormCompositeEdges1(cme1)Thatconcludesthegeometryforthereactingj

7、et.Nowdefineacouplingvariablethatcanbeusedtoapplytheoutletconditionsfromthepreviousmodeltotheinletofthecurrent。LinearExtrusion1(linext1)ManualLinearExtrusicnSelection:ActiveDestinationgeotne-try:Destinationframe;ActiveDeEtinationvertex3:ActiveDestinationDestinationVerticesDestinationvertex1:REACTING

8、FLOW(RSPF)comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 #/4112/41 /4112/41Name:rspfDomainSelectionSelection:AlldomainsEquationSpeci已5DilutesolutionConcentratedspeciesTurbulencemodeltype:RANSTurbulencemodel:k-cjMasstransportturbulercemodshKays-匚riawfcirdSwirl-flow|NeglectinertialtermfStakesflaw)Masstransportm

9、echanisnriEReferericepressurelevel:PreflatmTurbulenceModelParameterscomsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /4113/41 /4113/41FluidEquationModelInputsPaAbsolutepressure-Crspf)FluidPropertiesDensity:Diffusioncoefficient;comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 #/4115/41 /4115/41 /4114/41Set

10、tgsInitialValuesActiveOverrideandContributianEquationShowequationassLirriing:StudyljStationary匚oordinateSystennSelection匚oordinstesysterri!Globalcoordinatesyst已mIniPRValuesMixturespecificatior:Velocityfield:m/sParspf.kinitSpecificdissipationrate:曲2rspf.arritnk1/s入口邊界條件1設(shè)置I口巨Active-OverrideandContrib

11、utionEquationShowequationassuming:StudyljStationaryu2=/c2=AqscuBoundaryConditionVelocit?/VelocityjVelocityfieldIYi/5SpecifyturbulEntlengthscaleandintensitySpecifyturbulEnceviariiablus1/scomsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /4117/41 /4117/41 /4116/41InletLabel:inletLBoundarySelectic

12、i門Selection:ManualF口Active10OverrideandContributionEquationShowequationassuming:Study1,Stationaryu2=uo強撐帕I曲八瓠VelocityfieldReifmalinflowvelocitycSpecifytufbulEritlEngth三匚aleandintensitySpecityturbulericevariablesTurbulentintensity:斤0.01Turbulencelengthscale;S0.1Di物質(zhì)濃度入口1邊界條件In-lcw鬥|2ActiveOverrideand

13、ContributionfEquationShowequationassuming:StudyXStationaryInflowMixtur亡specification:comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /4119/41 #/4119/41 /4118/41In-lcwActiveOverrideandContributionEquationShowe-quationassuming:Study1,StationaryInflorifMixturespecification:出口邊界條件3id王Label:Outlet

14、2BoundarySelectionSelection:|ManualActiveOverrideandContributionEquationShowequatiorassuming:Study1,Statioraryn-p2l+O+/t)(Vu2+(Vu2)rj-訴+旳)-u2)l|pfc2ln=；p&u2：t=n=0,V&jn=0BoundaryConditionPressurePressure匚cindHzionscomsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 #/4120/41 /4120/41CurlewOverrideandCoritribution*E

15、quationShowequationassuming!StudyljStationary-n=反應(yīng)項的定義comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /4121/41 /4121/411SettvgsReactionsDomain5巳I已匸tionSelection:Manual廠”1ActiveOverrideandContributionEquation丁ReactionRateReactionrate:AutomaticStoichiometric匚efficients:wCO少M2。%JV2Rate匚ontantsTurbulentreta匚tiunmo

16、delparameter:Turbulentreactionmodelparameter:UseArrheniusexpressionsForwardrat&const曰門t:mol/(m-s)mol/(mas)comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 #/4123/41 /4123/41 /4122/41DomainSelectioriSelection:ManuialActiveOverrideandContributionEquationReacti口門RateRea匚tiorirate:AutomaticStoichi

17、ometriccoefficients:Rate匚onstantsTurbulentreactionmodelparameter:cr41Turbulentreactionmodelpsrstrieten戸0.51UseArrheniusexp亡3“口門5Forwardrateconstant:mal/(rn3S)mol/(m0-s)Usethetabulatedheatcapacitiestocreateinterpolationfunctions,oneforeachspecies.Argument：l/KFunctiorTnameIn:&rpcla:icn麗Plot同匚reatePlot

18、匚P_COUnitsFunction:Definition10006.95020007.948InterpolationandExtrapolationTable30047.259DefineinversefunctionLabel:nterpolation1Interpolation:PiecewisecubicExtrapolation:匚口門丈曰唯Inversefunctionname:inti_invcomsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 #/4125/41 /4125/41 /4124/41In:erpc：l3：i

19、cn藺Plot置匚reatePlotLabel:Interpolation2Defiri計icinHtKt)30051.14010008,510200012.993卞！三啟口IIDefineinversefunctionInve-rsefunctionname:int2_invInterpolationandExtrapolationInterpolation:Pie匚ewisecubicExtrapolation:匚門丸BritUnitsArguments;KFunction:cal/mol/KInrpL：licn藺Plot置匚reatePlotLabel:riterpolstion3丁De

20、finitionDiatasource:|TableFunctionname:匚p_H2HtKt)3006.30210007.20920008.183tm口DefineinversefunctionInversefunctionnainff!irit3_irivtInterpolationandExtrapolationnterpolation:卩誡匚ewisecubicExtrapolation:匚口門才曰門tUnitscomsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 #/4127/41 /4127/41 /4126/41Settv

21、gsIn:erpcl：ji:icn國Plot顫CreatePlotLabel:nterpolation4DefinitionKIt砒3007.99910009.875200012.224DefineinversefunctionInversefunctionname:int4_invInterpolationandExtrapolationInterpolation:PbcewisecubicExtrapolation:匚cziristianizUnitsSettngsInrpL：licn國Plot置匚reatePlotLabel:Interpolation5丁DefinitionDataso

22、urce:|TableFunctionname;匚p_N2Ht砒3006.54910007.83020008.601t丨咗&口Defineinver5BfurctionInversefunctionname:int5_invtInterpolationandExtrapolationnterpolation:口總匚ewisecubicExtrapolation;匚口門stmntUnitscomsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 #/4129/41 /4129/41 /4128/41SGtfngsIn7erpcl37ic：n園P

23、lot園匚reiatePlotLabel:Interpolation6Definitiont的3007.01010008,35020009.032t!W濟口DefineinversefunctinInversefunctionname:int_invInterpolationandEirtrapolationnterpolatian:Pi呂匚HArise匚ubicExtrapolation:匚onstant丁一UnitsArguments:KFunction;cal/mol/Ksol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /4130/41 #/4130/41初始值的設(shè)置S

24、ettgsInitialValuesLabel:nitialValues1D口mainSelectionSelection:人匚tiveOverrideandContributionInitialValuescomsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 #/4131/41 /4131/41Settngs_5mp5ra:ur5Label:Temperature1BoundarySelectionSelection;Manual29Active10OverrideandContributionEquationShowequationassuming:Study1Stat

25、ionaryr=TaTemperature/Temperature:TOSettvgsQulcwLabel:Outflow1BoundarySelectionSelection:Manual3ActiveOverrideandContributionEquationShowequaticmassuming:Study1,Stationary-n-(-/cVT)=0comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 #/4133/41 /4133/41 /4132/41熱源項設(shè)置SettgsHm王SourceLabel:HeatSourc

26、e1DomainSelectionSelectior:ManualI西I1ActiveOverrid-eandContributionEquationShowequationassuming:StudyhStationarypCpuV7=V-(kVF)+0+g4-JHeatSourceGeneralsourceLinearsourceOverallheattransferrate-Q二邑V網(wǎng)格設(shè)置：EditPhysics-InducedSequence.J區(qū)Mesh2盛Size1畠Size2叵屆CornerRefinement1gFreeTriangular1壓BoundaryLayers1S

27、izemite:aximumelementsizeaximumelementgesolutionofnarrowSetfngsSizeaBuildSelectedBuildAllElementSize匚alibratefor:ElementSizePmramete5Minimumelementsize:匚ustcim匚unaturefactor:6.87E-4FluiddynamicsLabel:Predefinedcomsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /4134/41 #/4134/41SettngsSizeBBuildSelectedBuildAllLa

28、bel:Size1GeometricSelectionElementSize匚alibratefor:ElementSizeParametersMaximumelementsize:0.00962mMinimumelementsize:1.37E-4mMaximumelementgrowthrate:1.1匚un.raturefactor:0.25comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 #/4135/41 /4135/41SettngsSizeBuildSelected(!BuildAll34111ElemeirtSize匚alibratefor:Q匚ustc

29、imElemeirtSi在PmrmmEliEeoCurvaturefactor:0.3IResolutionofnarrowregiori：IIcomsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /4136/41 #/4136/41SettngsFre&riangular*DomainSelectionGeometricentitylevel:Selection:*ScaleGeorrietryr-directicmscale:1ControlEntitiesTessellationcomsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /4137/41

30、 /4137/415SetfngsEcundar；1LyerPrcpenisBBuildSelectedBuildAllF口ActiveBoundaryLayerProperties求解設(shè)置：求解1直接求解求解2設(shè)置comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例comsol旋轉(zhuǎn)燃燒器的模擬操作實例 /4139/41 #/4139/41 /4138/41SettngsStationary=匚mputeLabel:StationaryStudySettingsResultsWhileSolvingPhysicsandVariablesSelectionModifyphys

31、icstreeandvariablesforstudystepPhysicsinterfaceSolveforDiscretizationTurbulentFlow,k-u(spf)XPhysicssettingsReactingFlow(rspf)7PhysicssettingsHeatTransferinFluidshtXPhysicssettingsValuesofDepenciEntVariablesnitialvaluesofvariablessolvedforMethod:nitialexpressionMeshSelectionStudyExtendciriENowsolveth

32、ereactingisothermaljet.ThecomplicatedreactionsreduireadjustmentoftheCFL-numbercontrollerparameters.SettingsSegregated呢匚cimpLitEtciSelected=匚omputeGeneralToleran匚&factor:Terminationcriterion:Residualfactor:InitialCFLnumher;regulator-Piroportional:PIDTerminationtechnique:Stabilizationandacceleration:PIDregulator-Derivative:0.01PIDregulator-1nt&gr曰ti”e:0.05Re