沸腾模拟案例.docx
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沸腾模拟案例.docx
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沸腾模拟案例
沸腾|05案例
HeSh
f⅜
Scale.••
CheCk
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RePOrtOuality
Display...
Uilits...
SOIVer
TyPeVelOCityFor*ulafltion
•PreSSUre-Based
DenSLtyBaSed
•AbSOIUteRelatiVe
Tiκe
2DSPaCe
•Steady
Planar
TranSient
•AXiSyJTIJn&tric
AXiSyJwnetriCSWiZ:
1
√Gravity|❷
GraVitatiOnaIACCeIeratiOn
⅛:
木例为抽对称模型,・FIUent^求二维栢对称模型的对称抽切他因此指定勃加速度方匂为昉向。
・扌孑定压尢单位为就血
▲设垃压力单位为
注:
后面设毘參考圧力为45aUio
2.2IodOICsM
ΦMOdeIS
金MUltiPhaSe(Off)
(DEnergy(On)
_Viscous(SSTIEdit...
yOn
Off
■RadiatiOn(Off
"・HeatEXChang
⅛SPeCieS(Off)
*PDiSCretePhaSe(Off)
■采用RealiabIek-eDsilon湍流樟塑
ΦMOdeIS
QMUltiPhaSe(Off)(DEnergy(On)
ViSCOUS(ReaIiZablek-elStandardWallFn)
2.3NateriaIS设置
■从材*■!
■数据库中添加材糾Water-I.i(rxici(h2o ^ 密宸o POint1 473.15 934.7 Point2 543.15 770.6 如下囹所示。 QPieCewiSe-IJnearPrOfiIe DataPointJr POirt 2: TemPeratUreOC) 543.15 VaIUe(k<∕≡3)(770.6! ▲设蓋密度 B指定CP参数为PieCeWiSe-IineaI,数揚妇下衣所示 胁00 CP(jΛιk) POint1 473.15 4494 point2 543.15 5067 ■指定ThgmmlCor.ductivity^⅛5√⅛piθcθwiSe-Iinoar,数据如下表所乔 ⅛^(k) k) POint1 473.15 0.∞4 Doint2 543.15 0.5928 ■⅜f1tViscosit'PLeCeWiSe-IinearS埶抿如下表阡77: ⅛Jg(k) 敬(kg∕np) point1 473.15 1.339o-4 POint2 543.15 9.995e-5 •设墨芫毕后的材料对话框如下囹所示 I]MiICriβ¾ vaner-Uςu^∣1 *lgd ■ <*K∙*⅜r∙lCΓλγwi1« FkUfJtFIgdRvteciaU h2> ¾¾tar-liφiιChzrv ▼I XIXtUre ron» ▼ Γxυ∣ Flι*uulIhetU⅛⅜ιι•・•・ 04∙c*~^ofifio »•"・・・ Γ>tn∙ι∙jr(lr<∕∙3) Y∙trri⅜l Or(IeIlate: IaISby •JMft Cλ∙λxcm1Foxa.ul・ CP(⅛cuiTAtXc∙l)(jΛg⅛) Jher>ilcan ViffCJsxtT妆”「二) CUKIKV/Cι*at∙][d∙JL∙1∙] CIot ▲枳料设豈对活IS 2∙4询斗郭lxs □Cel-ZOneCOnditiOnS 9□F-Uid □fcid(fluAid& ... I□SO=d □8_s(SO=d∙iducopy: . □BOUnClaryCOnd≡onsDe-e(e ®□AXiS ►¾≡冈煎 •7計斗皿θ^⅜3wαtOliqoid DF-Uid WO5Φ≡ω3φ fluid M%αHi41NalnGW%α! : Iliq⅛id4」MldiL∙: FKgaMotionLaMiIlarZOiIeSOUrCCTess Q f、 MesħMOtionFOrOUSZCne3DFuZOne I I MeShMOtiOn□FiXedValUeS POKOUSZ03C ►IWi •删棹固体区域 ■□CeIlZOneCOnditiOnS ♦□FIUid -□SOlicI □SOIid(SOIid,id=3、 -□BOUndaryCOnditiOnSEdit∙∙∙ * Copy... DeIete □AXiS ■>: : Inlet ♦E]InternaI ©: : OUtletCOPyTOCliPbOard : : OUtlet(PreSSUre・IrnPortFrOmFile... ~=WallEXPortTOFile..., 三WaII(WalLid=4) ▲删險回体区域 注: 做共艇愕热本来罡没有问题的,但本秦例的卜算网格存在'圈,洗体域固体之同支该釆用i∩tβxface,而呑奏例便用的足崑了面。 这里懒得去改了,Tβ⅛1l固本区: ⅛⅛掉算了。 2.5操作条件 ■打开操作条件i殳羞对话AI,扌旨走OPeT介∙HngPreSSIlre>^45atm,matingTeapera∙hιτe^)503k OPeratingCOnditionS PreSSUre OPeratlngPreSSUre(atm) 45❶▼ ReferencePreSSUreLOCatiOXI X(λ)o▼ Y(λ)o▼ 2(n)IoI▼ GraVity √GraVity GraVItatlOnaI ACCeleratLOn X(λ∕s2)-9.81 ■: ▼ Y(J∣√s2)O ▼ Z(j∣√s2)O ▼ BOUSSineSqParaBeterS OPeratIngTeaperature(k) (503.15❸ ▼ VariabIe-DenSityParaBeterS SpecifiedOperatingDenSity [cance^i~^[HeIP'∣ √∙CrDZla 2.6设置边界条件 IWinlot⅛S -如卜图5H不扌淀入口谏偿L∏√s 口VelOCityInlet loa∙nbιm Tλ∙rm⅛lF⅜4itiiOnSp∙ri∙v Γ∣PM ≡υltipk⅜cα Fot∙nti<1 IlDS ZOneKajleInlet ReterenCeFraBeAbSOIUte VeIOCitySpecificationIethOdM⅜gnιtude,NOrmaltoBOUndIry SPeCifICatIOnMethOd∑ntensrtyandHydraUIiCDiaMeter TUrbUIentIntenSity(%)4❸ 乂: CFDZai CalICeL HydraUliCDIaMCter(M)O.(∏54❹ ▲指定inl∙l边界采件 ICaLnCeItIIHeIP|•∙CFDZjlfi•指定温度为473.15b 2xOUtIet^g •如T囹所示设気皿讪边畀条件 BaCkflOWRefercnceFlaMeAbSOIUte CaUgdPressure(atJi)Q PreSSureProfileIUItiPIier[ BaCkfloVDIrOCtICeISPeCIfIeetIOnMothodNOrnaItoBOUndQxry BaCkfIOVPresnurcSpecificationTotalPressure PreVentKeVerSeFIOW AVeraeePreSmreSPfrCIfiCation TartetHaSSFlOVRate TUrbUIellCe SPeCifICatiOnIrthOdTntenSityandHydraUlICDiwiRter BACZfIOVTUrbUIentIntenffIty(% BaCkfIoWHydraUIicDidJIetel(JlI0∙0154 OK CFDNiI 2.t设首残荐•如下團所示指走连续方程殘差为ILR EiReMdUeIMOfMtOn OptlΦQS IOOO EqUat1OnS RGSIdUaI ContiaUity velocityy-velocιtyenergykepsilon Xonx^o: ChDCkCOχjvc∑ξC∆G5AbsoluteCxxtsxLa ItOratXOn5toStOrO COnVereenCeConditIOQS・・■ ShowAdvancedOPfiOnf [Pl0J][1" •】][R∙lp ⅛CrDZ]≡▲扬定残差 2.8初始化并i∣算 -扌运迭代;頑为欧,并求行计身 PseudoTralIsienL七SettingsFIUidTi*eSCale TImeStePMethOd TuneSCaIeFactor AUtOmatiC 1 LengthSCaleMethOd VerbOSity COnSerVatIVe • O SOIidTiBeSCale TijneStepMethOd TimeSCaleFaCtOX AUtOjnatiC▼ 1H Para≡Lβters NUJaberOfIter航ions RePOrtingEnterVaI 500❶: 1C PrOfiIeUpdateInterVaI 1: SOIUtion.ProcessingStatiStiCS DataSanIPIIngforSteadyStatIStICS DataFiIeQUantities... Solution.Advaιnce≡en⅛ ▲设羞计窟参割2.9导出岀口数胆将吕口喲据导出为P心m文件并作为•沸牋计算的入口边界。 -刹用菜⅛**File→Vriie→Profile-**打开设茁対话枉 ■]⅛j^outlet,幷选择丫eJLocityMagnitUdeXTUrbUIenCeKinetiCEIlergy(k)及TUrbUIent Dii? -ipa+ianRsvto(Epjrilon),点击按钮听〈十。 …保存文件1^icμK(i~ou十1α∙f.pτcf DWritePrOflIe OPtionS •DefIneNeWFrOfIIeS VxiteCurrentIyDefXnedPrOfIl∙ff ■和"PrefiIROPtInnS IriteMereePrOtlIeS Valuer[3/99] l≡sI≡¾ SUrfICtrFιlt∙rT∙x* VekxityMagnilUdeAx⅛lV^loCityRadialVelocityStreamFUnetionRelativeVeloCityMagnitUdeRelativeAXidlVeICKItyRobtivoR^dulIValoetyMeShX-VeloCityMeShY-VelOCityVelocityAngleVOftfcityNagnitUdeCeIR^nOidSNUmb^rCelCOnVeCtVeCOUrantNUfnt)er Vxxtc∙∙∙ ^CIUscjIIIelPJ ▲≡Hj⅛π½^±的劫堀 3彿腾计算 ■利H⅛^⅛FiLefReadfPrOtiLe-i⅛Ii(IUid—oUtiet.Prof •j丁幵多相流•殓对话匾选择Eulri垃相茨模型 ■i⅛t? Rnlli∏eMndeIJiRPrBoilineMndftl J½4tlι Γku*ι thueliter⅜sti∙ιι POPllmg>d⅜>c IOdOI ⅛σberDfEIIerIanPhgS OM JOloIOdOlS V□1λ⅜-OfFIUld Hixture InhOnOreaOOuIKOteIS [∙Evdxian VPtStam QMUI6ph0>eMOdel RrtiBeTrMnXitiOnIodelint 2JAlg∙bx∙jcIatttfacialALeaΓ Kul-I-FluidWFMCdeI ⅜/BOilihe≡∩d*l IDCDlSCretePMSeNOoeI BOiIiDCIOdClOPtiCDS [∙RPlBoillMIbdd]Q IiCn・7m】\bri.gR⅞aiIinf Criti: ftlHeatFlUX VOllAaOFcactx∙nParaBOtorsFU(BUIMll∙u EXPIICIt •T*rlιcit APPly [cio∙o][Ho】P 3.2指定>M料属性 VIref-II^mc CUIiCaIFontUli 2Q Tttλ m ■ FIUOllItFIVlXdloτecialβ VAtar-Iiaiirf∣h2¾ V Xxxitiz? UUQe ■ CKdtfXIalUCIUIV⅛y •Vme l.heιu%,aLfuxiu-a Pι*r∙vι*∙*-l⅛n∙B∣ Fl*eα<>a‰⅞b∙*o∙∙S Qn∙r-B∙flD∙dDM∙t>∙"... "(SfwrtfWIUX)(JAC-Ir) ■[c<∣⅝⅜,.Γj∣ Tketr*xlC>cd‰s Vλβe∙r‰V(⅛√a-β) Edi⅜.∙• 9M⅞* P1»*•«#! *•-l⅜n∙Bf λσ∕c⅛CLM.CTet‰*CL∙iu 10.1152 S%aadazdSlCKCEu*ιλλlpy Edit... 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Ib XolectltrWtιφt(⅛^kxol) 1Θ.CJ52 •从材料數据家中添加介质林料阳LXriψιw CCnStftat ChaUKe/Cfeat∙][^wl⅝t¾| CIUSe ⅝crICrrrZV.11-rIv) rm*∙nτt Idit— 2.mβe⅜07 ħ: 设蛊液相标准狀态焙为6将汽相标准状态恰役蚩为汽化潜熟。 吐凯网境P水的汽化潜热Km J∕i,传抿.为标准状态忌为1661*18•10002.9898X10rJ∕kmol •⅛3液态水为主相,水吏T为决相,书錠水荟气校径^b□ilhΛv-dia,如下图所示 QMUtiPhAC«MQdd TL*⅛w⅛ rλ4∑ : OX TeEyiCa9olu.c FhtSOSttup g" ID vςpcr water・PrInMfy=MsVaPOf-SecondaryPnaSe AddPbMe>ol∙t∙Pb Ph∙∙∙ VBt∙r*vap9∣: √t≡ιul⅛r 51»(n) UVIkll tU∣Λ‰・∙∙ AFι∙Iy ICIescjJIlr1PJ 3.4指定相间作用•妇厂罢所示捋定相间作用力模型 n⅛s∙: PUs∙Int«r»2t2oa PCnIatigBd⅛x*4I(Cdel PhxePIIifS Vatefvφct Psce Haat.ll⅛zs.Bα⅛cticαs IStterf^ei&1Are. POKCVSetup DraCCOeffiCient Coefficient X^diCxc⅞tion ιιo*e I«a£VCWCCλvλ9*λU IOBiVam GlobalOrtiOT)S VictualKadSIlBPI&cit SUrfac? 7er.sιonForCeMCdOIi□c InteKaetIOnDoaxnD4 APPly I口皿II・e】PI -CC巾之道 7OTCCS →βtU∣Wx,ILtwclijiiU ∑xt ħau rh∙>.k PUsatJnIel∙*1t ‰∣ul∙t.•«*1*! *»;•Xa •如图祈示抬定相间传热模型环叫fx411 He>tTrafiSferCoetticieDt ⅛∕>2-k) v⅜t∙rVallGr rms-natsh&il・ IUS TtItrrKMi<»nΓHπλiπTT4 ▲治討目间横热橫型 IVVly ∣C1∙8∙[B«lpI 、二CFDJZ道•如建衍示指走相I就质模型为“辽诚 A指定柜间渡质模里 •如下團所示指定饱和温度为533.15k QBCilingModel IQterfaCiaIlod∙lCoartant∙Ll(IUId-InterfaCeTran^ferCoeff. SatUratiOnTeιχ>erature(k) EVaPOratiOlICOXlcIolISatloiIPrOPOrty QURnChlngIO(IelCorreCtlOnBUbbIe∙aιtmεIIjleCoetf. 1 COrreCtiWIndel [CaIIceL](H∙lp] •如图內于捋定界宜面枳处玫模型为ibpH十花“ ▲扌铳異面楚建 3.5设首操作条件 PXeSSUre OPeratIngPreSSUre(at») 45▼ ReferenCePreSSUreLOCatiOn X(Joo▼ Y(λ)0I▼ Z(λ)∣oI▼ GraVlty √GraVity GraVitatiOIIaIACCeleratiOn X(m∕s2)-9∙81 YWS2)0 Z(m∕s2)0 BOUSSineSqParaBeters OPeratingTenperatuιe(k) 503.15]” VariabIe-DenSityParaLBeterS OPeratingDenSItyNethOd ΛiniιιuΛ-p∩ase-averaged▼ QOPeratingCOnditiOnS [Cance「[Eelp∣ M6设苴边界超1.I⅛5βinle助? ? ■i殳呂皿1毗边界的MiXtUrW椅如下團祈示口VelocityInlet ZOneIiaJIePhaSe inlet・irtiiro l<*entu* Th∙rntlKalittion Sptci∙s IFN IUItiPK⅜s∙ FottntitlVDS SUPerSCnICzInItialGaUgePreSSUre(at»)o TUrbUIence SPeCifiCationMethOdKandEFSLlOn TUrbUIentIlnetlCEnerKyOUtl^tturb-kin^iC-^nerfy Help∣ 乂: CFDNjaTUrbUIentDiSSiPatiOnRate0utle⅛turb-di^s-rate ▲i√Lat入口混曲昭设蚩 HoirentVM TkarftftlEa<1: ⅜tι∙rYP DPMIdtLrhaIeP"∙MiJUDS QVeIOCityinlet ZCneNaj¾e InIet X Pha50 Vater ・⅛Sinle∙ri⅛^vaτer≠∣≡•指定苴谏劈廿布 VelOCItySPeCifiCatIOlIHethOdMagmtUde,NOrnIItoBOUndary IteferenCeFraneAbsolute [CIanct? ]][Help∣ VeIOCityIlaenitUdeOUtIetVolOCity-magnitude ▲脂走力尸液t腿度 •设蚩in"电界液相温度为仃3∙15Ir UVelOCrtyInletX ZCneNajlePhaSe M: CrDZJii InIetVater KofftntUm 71wrι>∙l R∙di∙tion SFgidIIMBtI⅛
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