FLUENT噴霧模擬具體步驟

1、Sprsy Half Angle deg1118Atomizer Dispersion Angledispers ionan gle參數(shù)很重要設(shè)置的是6太小了Report Type廣OffSummary* Current PositionsReport toa FileConsole& Track Single Pairticie StreamStream IDSkipCoarser1 y jI fl1 B選擇離散相模型DPM（拉格朗日離散粒子多相流）M Dkcrete Phase ModelInteractionParticle Treatment2 Unsteady Particl

2、e Tracking2 Track with Fluid Flow Time Step Inject Particles at廠 Particle Time Step a Fluid Flow Time* Sic* interaction with Cofitinuous Phase7 Update DPM Sources Every Flow Eteration Number ol Continuous Phase i glleratEons per DPM Iterationirucle I imilClear PartidcsTracking Physical Models UDF Nu

3、merics ParallelMax. Number of Step?Drag LawI590耳sphericalTTracking ParametersDrag Parameters Specify Lenglh ScaleStep Length Factor:OK | Injections., | CancelHelp |Discrete Phase Mode面板中的 Unsteady Parameters 屬性框中激活了 Unsteady Tracking選項，在瞬態(tài)流動中考慮相間耦合計算，在每一個迭代時間步長內(nèi)， 依據(jù)在 Number Of Continuous Phaseiterat

4、ions Per DPM Iteration 設(shè)定的迭代 步數(shù)進行顆粒軌道的迭代計算。液滴破碎模型：泰勒類比破碎模型FLUENT提供兩種霧滴破碎模型：泰勒類比破碎（TAB ）模型和波致破碎模型。 本文選自泰勒類比破碎模型。Discrete Phase Model- Spray Models 下激活 Droplet Breakup，TAB 模型，設(shè)置 yO 為 0.001 （初始變形值） OptionsSaffman Lift ForceErosion/Accretionrracking Physical Models UDF NumericsSpray ModelDroplet Collisi

5、onDroplet BreakupSpray ModelyQ0.001Breakup ParcelsBreakup ConstantsDroplet Collision I* Droplet Breakup Breakup Model 圧TABWave動態(tài)曳力模型s UDF Numerics ParallelDrag ParametersDrag Law dynamiodrag創(chuàng)建入射源：（壓力旋流霧化模型）創(chuàng)建噴霧模型：選擇 pressure-swirl-atomizerInjection Name injection-0Injection TypeNumber of Particle St

6、reamspressure-swlrbatoniierParticle Type” 24La Inertet* CantbustfnQMuKi co niponentMaterialDiameter DistributionOxidizingj Speciesanthra citeLvaporating Speciesiinsair1jevoJatilizrng SpeciesPfDdUCt IspeciesPoint Properties Turbulent Dispersion Wet Combustion Components UDFOK File| Cdnxl Help水滴顆粒相流數(shù)目

7、：Number of Particle Streams2r水滴顆粒相設(shè)置：慣性顆粒（、'inert”）離散相類型（顆粒、液滴或氣泡）Partide Type* Fnerl材料設(shè)置：Materialwate r-liquidtvaporaur:ig Speci gs屬性設(shè)置： 入射源位置入射源軸向方向設(shè)置:X-AxisZ-Axis流量以及時間設(shè)置:Flow Rate kg/sStart Time s噴嘴直徑，錐角,Injector Inner Diameter mUpstream Pressure (pascal1500000重力加速度設(shè)置:® Operating Condit

8、ionsXPressureGravityOperating Pressure (pascal)101325Reference Pressure Location7 GravityGravitational AccelerationX (m/s2) 0Y(m/s2) 0 z (m/s2)匚9.8Variable-Density ParametersSpecified Operating DensityOK Cancel Help® Operating ConditionsX® Operating ConditionsX<9*6 .7005 .5c <53.7 26

9、3.&O5 le-05 2S7e<5| 2.7-O52.*7e<5 2A623 7>-O5.4de<5 a© 90S9x6 ：.*7e-O6I 0j00e*00® Operating ConditionsX® Operating ConditionsXPor Ide Tzei Cdcced by Poilde PedderKe Time «j» Tline-SjOCCOe-QZ'ris 24.20I3F LU EMT 63 >! .pbn：. loin. in：-70e<5.5e<53於

10、63.7 k-053.心6 32le<5 2S7e-O5 2.72e-O5 7e-O5 2A626.7>-O5.8e-O5"05 $39e<» ：.4<«2.*7e-O6 0j00e*00P or Ide Txes Colcced by Poilde Pesldeixe Time <j Tltne-5jOOOOe-Q2'3 24.2013 f LU EMT 63 >!. pl>n: Ian in:1.00e-019 50e-029.00e-028.50e-028 00e-027.50e-027 00e-026.50e-026.00e-025.50e-025.00e-024 50e-024.