离散相模型——射流颗粒设置.pdf

发布时间：2022-06-09 发布人：admin 分类：说明书资料大小：1.33M 资料格式：pdf 举报版权申诉

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FLUENT Overview of Initial Conditions Injection Types Particle Types Creating, Copying, Deleting, and Listing Injections l 19.9.1 l 19.9.2 l 19.9.3 l 19.9.4 l 19.9.5 l 19.9.6 l 19.9.7 l 19.9.8 l 19.9.9 l 19.9.10 l 19.9.11 Injections l 19.9.12 Atomizer Injections l 19.9.13 l 19.9.14 l 19.9.15 l 19.9.16 l 19.9.17 One Injection 19.9.1 FLUENT zyx , , wvu , , 19.9.8 pd pT l l l l l l Defining Injection Properties Point Properties for Single Injections Point Properties for Group Injections Point Properties for Cone Injections Point Properties for Surface Injections Point Properties for Plain-Orifice Atomizer Injections Point Properties for Pressure-Swirl Atomizer Point Properties for Air-Blast/Air-Assist Point Properties for Flat-Fan Atomizer Injections Point Properties for Effervescent Atomizer Injections Modeling Turbulent Dispersion of Particles Custom Particle Laws Defining Properties Common to More Than Overview of Initial Conditions • pm 19.2 19.4.1 19.3 19.9.2 l injection 10 FLUENT single west_wing@sohu.com - 61 -

l l l l l l l l l 19.9.2 19.9.3 FLUENT group surface cone (only in 3D) plain-orifice atomizer pressure-swirl atomizer flat-fan atomizer air-blast atomizer effervescent atomizer read from a file 19.9.1 19.9.1 zone surface Surface Plane Surface Bounded Sample Points 24.6 x y z u v w SI 19.9.5 10 11 west_wing@sohu.com - 62 -

FLUENT 19.9.3 12 19.9.5 l l l Models ``inert'' 19.3.2 ``droplet'' 19.3.3 19.3.4 1 19.25 ``combusting'' 1 5 Wet Combustion 19.3.4 19.9.4 Injections panel Define Injections... 19.2-1 1 FLUENT 2 3 Materials panel, 19.2-1 19.3.5 4 19.3.6 6 Set Injection Properties panel 2 3 19.3.3 Materials panel Creating, Copying, Deleting, and Listing Injections 19.9.4 west_wing@sohu.com - 63 -

FLUENT 13 Discrete Phase Model panel Injections... Create Set Injection Properties panel 19.9.5 Set Injection Properties Set... Set Multiple Injection Properties 19.9.17 Set... Delete List FLUENT l l l l l l west_wing@sohu.com - 64 -

FLUENT l FLUENT drop 19.9.5 19.9.5 Set... Injection Name Pattern Match 19.9.4 Set Injection Properties panel 14 1. Injection Name west_wing@sohu.com - 65 -

FLUENT 19.9.4 2. 19.9.2 surface, plain-orifice-atomizer, pressure-swirl-atomizer, cone, flat-fan-atomizer, effervescent-atomizer, and file ( single, group, air-blast-atomizer, Materials surface atomizer group, cone Number of Particle Streams Release From Surfaces Set Injection Properties panel File... Inert, Droplet, or Combusting 19.9.3 injections 3. single Particle Type Material 4. 5. 6. 7. 8. 19.11.2 group or surface 7.1.2 group rosin-rammler group Custom Inert Combusting 4 Oxidizing Species Species multiple-surface-reaction group Diameter Distribution rosin-rammler-logarithmic 19.9.7 19.9.16 Droplet Laws Evaporating Species 2 3 Devolatilizing Species 5 Product Oxidizing Species Product Species 9. Point Properties 19.9.6 19.9.14 10. 11. 12. Stochastic Model Cloud Model Liquid Material Wet Combustion Liquid Fraction Evaporating Species Turbulent Dispersion 19.9.15 Wet Combustion UDF User-Defined west_wing@sohu.com - 66 -

FLUENT Functions UDF Manual 19.9.6 Point Properties Set Injection Properties panel X-, Y-, and Z-Position Z-Position X-, Y-, and Z-Velocity Z-Velocity Diameter Temperature l l l l l l 19.9.7 Flow Rate 2 19.8 Start Time Stop Time 19.9.6 Last Point First Point 1 N 1 N FLUENT i = i + 1 N N 1 1 ( i )1 0.2~0.6m 19.9.1 5 x x 1 2 3 4 5 m m m m m 2.0=x 3.0=x 4.0=x 5.0=x 6.0=x l l l l l !! youshould supply a range for only one of the initial conditions in a given group--leaving all other conditions fixed while a single condition varies among the stream numbers of the group. Otherwise you may find, for example, that your simultaneous inputs of a spatial distribution and a size distribution have placed the small droplets at the beginning of the spatial range and the large droplets at the end of the spatial range. 19.9-1 / west_wing@sohu.com - 67 - - - -

FLUENT Rosin-Rammler m 0-700.05 70-1000.10 100-1200.35 120-1500.30 150-1800.15 180-2000.05 d dY Rosin-Rammler ( )ndd / Y d -= e 19.9.2 19.9-2 d Mean Diameter n Spread Parameter Rosin-Rammler d dY Set Injection Properties panel Rosin-Rammler First Point Rosin-Rammler ( )md 700.95 1000.85 1200.50 1500.20 1800.05 200 d dY 0.00 19.9.6 dY d west_wing@sohu.com - 68 -

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