FLUENT喷雾模拟具体步骤

1、Sprsy Half Angle deg1118Atomizer Dispersion 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 Particl

2、e Tracking2 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 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 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 Phaseiterat

4、ions Per 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） 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 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水滴颗粒相流数目

7、：Number of 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:® 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

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