FLUENT喷雾模拟具体步骤

1、Sprsy Half Angle degAtDmizer Dtspersion Angledispers ionan gle参数很重要设置的是6太小了Report Type广OffSummary* Current PositionsReport toa FileConsole& Track Single Pairticie StreamStream IDSkipCoarser1 y jI fl1 B选择离散相模型DPM（拉格朗日离散粒子多相流）M Dkcrete Phase ModelInteractionParticle Treatment2 Unsteady Particle Tracki

2、ng2 Track with Fluid Flow Time Step Inject Particles at厂 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 Numerics P

3、arallelMax. 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 属性框中激活了 Unsteady Tracking选项，在瞬态流动中考虑相间耦合计算，在每一个迭代时间步长内， 依据在 Number Of Continuous Phaseiterations Per

4、 DPM Iteration 设定的迭代 步数进行颗粒轨道的迭代计算。液滴破碎模型：泰勒类比破碎模型FLUENT提供两种雾滴破碎模型：泰勒类比破碎（TAB ）模型和波致破碎模型。 本文选自泰勒类比破碎模型。Discrete Phase Model- Spray Models 下激活 Droplet Breakup，TAB 模型，设置 yO 为 0.001 （初始变形值） rracking Physical Models UDF NumericsOptionsSaffman Lift ForceErosion/AccretionSpray ModelDroplet CollisionDrople

5、t BreakupSpray ModelyQ0.001Breakup ParcelsBreakup ConstantsDroplet Collision I* Droplet Breakup Breakup Model 圧TABWave动态曳力模型s UDF Numerics ParallelDrag ParametersDrag Law dynamiodrag创建入射源：（压力旋流雾化模型）创建喷雾模型：选择 pressure-swirl-atomizerInjection Nameinjection-0Injection TypeNumber of Particle Streamspres

6、sure-swlrbatoniierParticle Type” 24La Inertet* CantbustfnQMuKi co niponentMaterialDiameter DistributionOxidizingj Speciesanthra citeLvaporating Speciesiinsair1jevoJatilizrng SpeciesPfDdUCt IspeciesPoint Properties Turbulent Dispersion Wet Combustion Components UDFOK File| Cdnxl Help水滴颗粒相流数目：Number o

7、f Particle Streams2r水滴颗粒相设置：惯性颗粒（、inert”）离散相类型（颗粒、液滴或气泡）Partide Type* Fnerl材料设置：Materialwate r-liquidtvaporaur:ig Speci gs属性设置： 入射源位置入射源轴向方向设置:X-AxisZ-Axis流量以及时间设置:Flow Rate kg/sStart Time s喷嘴直径，锥角,Injector Inner Diameter mUpstream Pressure (pascal1500000重力加速度设置:PressureOperating Pressure pascal1013

8、25Gravity审 GravityGravitational AccelerationReference Pressure LocationX(nY(mX (mfs2JY (m/s2Z (mfs2)Variable-Density ParametersSpecHted Operating DensityOKCancel HelpSJk-OSI225e-O52.72t!5i.&anKIi屁虫l*OGFa IclM! TiaiztJ L-Jie4 b/ Pa Ide Fe :ldene:e Tlime n Tliiie-jDOODe-QZiUM 2+.2Ci|l3IF LU BUT S3 M,plvu , m. uu kad中+.7Df?1舲 !12址加 勺麻T.42tK *WKQgOGF-31 IclHEi Tiaze i L d；4 by Palele P:ldence Time n Tlme*5i000e|3f LU BWT &3 Ol pint ,m. uu Itadii1.00e-019 50e-029.006-028.50e-028.00e-027.50e-021 00e-026.506-026.00e-025,50025.00e-024 50e-024.00e-023 50e-023.00