CFD package fluent info

Fluent

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3

4 PLOT REPORT

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3

FLUENT

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FLUENT

19.2-19.5 19.6-19.13

19.1.2

19.2.2

19.2.2

19.2.2

PDF

19.1.3

FLUENT -

10-12%10-12%

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FLUENT

1.

2.

3.

4.

FLUENT

Operating Conditions

19.2.1

FLUENT

x

u up rp

dpRe

1-10Stokes'[ 170]

F D

CcStokes'Cunningham

110

Snij, [ 135]

P611

19.2-1 Fx

DT , p

Talbot [ 237]

Kn = Knudsen= 2/d p

l =

K = k/ k p

k = =15/4R

kp=

CS = 1.17

Ct= 2.18

Cm = 1.14

mp =T = =

/

19.2-1

19.2-1

:

p19.2-21 19.2-22

19.2-12 19.2-13

Spalart-Allmaras

FLUENT

tuu '

number of tries

FLUENT

Discrete Random Walk (DRW)

-

CL19.2-28

19.2-36

Set Injection Properties

Spalart-Allmaras

()

LitchfordJeng [141]BaxterSmith [15]Jain [ 99]

txi

m


19.9.15

19.7.1

11.3-20

Particle Radiation Interaction19.11.2

P

19.7.2

19.2-14

Particle Radiation Interaction19.11.2

7.3 /

, \ Coupled

Heat-Mass Solution FLUENT ODE

.

19.7.4

19.2.1

Discrete Phase Model panel.

Brownian Motion3Drag

Parameters Drag Law Stokes-Cunningham

19.7.5 Saffman

Saffman

19.2.1Discrete Phase Model panel

Saffman Lift Force

19.7.7

Drag Parameters Drag Law

spherical, non-spherical, Stokes-Cunningham, high-Mach-number

19.2.1dynamic-drag19.4.4

19.8.2

spherical high-Mach-number dynamic-drag

nonspherical

Shape Factor19.2-7 fCunningham

Cunningham Correction factor 19.2-9 Cc

19.8

19.9

Overview of Initial Conditions

Injection Types

Particle Types

Creating, Copying, Deleting, and Listing

Injections

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

Injections

Point Properties for Air-Blast/Air-Assist

Atomizer Injections

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 One Injection

19.9.1 Overview of Initial Conditions

FLUENT

x, y, z

u,v,w

19.9.8

d p

T p

m p

19.2

19.3

19.9.2

injection

FLUENT 10

single

group

cone (only in 3D)

surface

plain-orifice atomizer

pressure-swirl atomizer

flat-fan atomizer

air-blast atomizer

effervescent atomizer

read from a file

19.9.1

19.9.3 19.9.5

Models

``inert''19.2-1

119.3.2FLUENT

``droplet''

1 2 3

19.3.319.3.4

Materials panel,19.25

``combusting''19.2-1

1 4 19.3.5

5 19.3.6

6 Set Injection Properties

panelWet Combustion

23

19.3.319.3.4

Materials

panel

19.9.5

19.9.4 Set Injection

Properties panel19.9.5

Set...

14

1. Injection Name

19.9.4

2. 19.9.2 ( single,

group, cone, surface, plain-orifice-atomizer, pressure -swirl-atomizer,

air-blast-atomizer, flat-fan-atomizer, effervescent-atomizer, and file

Materials

surface injections

3. single group, cone

atomizerNumber of Particle

StreamsRelease From Surfaces

Set Injection Properties panel

File...

4. Particle TypeInert, Droplet, or Combusting19.9.3

5. Material

19.11.2 7.1.2

6. group or surface

groupgroup Diameter

Distributionrosin-rammlerrosin-rammler-logarithmic

19.9.7 group

7. Laws

Custom 19.9.16

8. InertDropletEvaporating Species

23

CombustingDevolatilizing Species

4 5

Oxidizing Species

Product Species

multiple-surface -reaction

Oxidizing Species Product Species

9. Point Properties

19.9.619.9.14

10. Turbulent Dispersion

Stochastic ModelCloud Mode

19.9.15

11. Wet CombustionWet

CombustionLiquid Material

Liquid Fraction

Evaporating Species

12. UDF

User-Defined Functions

UDF Manual

19.9.15

19.9.5

the``number of tries''.19.2.2

1. Set Injection Properties Turbulent Dispersion

2. Stochastic Tracking Stochastic Model

3. Number Of Tries

FLUENT19.2-1

1 FLUENT

19.2-201

23

1

19.2-37Random

Eddy Lifetime19.2-28CL

0.15RSM0.319.9.9

0

19.9.10>0

19.2.2

1. Set Injection Properties Turbulent Dispersion

2. Cloud TrackingCloud Model

3. Min. Cloud

DiameterMax. Cloud Diameter.

19.10

FLUENT

19.10.1

19.2

19.10.1

22 ``Reflect''

[ 236]

v n12

vt

1.0

0.0

``reflect''1

19.10.1

1.0

``trap''``trapped''

`èscape''`èscaped''19.10.3

`ìnterior''

FLUENT

FLUENT ;

wallsymmetryaxis``reflect''

1.0

-pressure inlets-velocity inlets

-pressure outlets `èscape''

- radiator- porous jump

wall

19.10.2

Boundary Conditions

19.10.4

Discrete Phase Model Conditions Boundary Cond. Type

Select reflect, trap, escapeDPM

Discrete Phase Model Conditions

interiorinterior

wall reflect wall

Discrete Phase Reflection Coefficients

constantpolynomial piecewise-linear

piecewise-polynomial

19.11.2

19.9

.

:inert-particle, droplet-particle,combusting-particle

(Set Injection Properties Set Multiple Injection

Properties ,19.9),Materials

panelMaterial Type

!!,,Materials

Material Type.,

(19.9),,.

,,(.

).

Materials panel (Set Injection

Properties Set Multiple Injection Properties ,19.9.5,19.9.17)

.

.,

19.11.1-19.11.4.

Density

Cp

CpCp

7.1.3

Thermal Conductivity

W/m-KBtu/ft-h-F

FLUENT

Latent Heat:

h fg19.3-17

19.3-58J/kg

Btu/lbmFLUENT

Thermophoretic Coefficient:

19.2-14 DT,pthe

Discrete Phase Model Thermophoretic Force 19.2.1

FLUENT Talbot [237]

talbottalbot-diffusion-coeff

Thermophoretic Coefficient

7.1.3

Particle Emissivity

pP-1

19.3-319.3-1719.3-5819.3-78

Discrete Phase Model panel Particle Radiation Interaction

1.00.5[143]

Particle Scattering Factor

P-111.3-20fp

Discrete Phase Model panel Particle Radiation Interaction

fp0.9[143]

19.12

19.2-1

/

19.3

19.12.119.12.2

19.12.319.12.4

Parameters Controlling the Numerical Integration

Performing Trajectory Calculations

Resetting the Interphase Exchange Terms

Parallel Processing for the Discrete Phase Model

19.12.1

Discrete Phase Model panel Tracking Parameters

DefineModels Discrete Phase...

19.7.4

19.2.1

Discrete Phase Model panel.

Brownian Motion3Drag

Parameters Drag Law Stokes-Cunningham

19.7.5 Saffman

Saffman

19.2.1Discrete Phase Model panel

Saffman LiftForce

Saffman

Max. Number Of Steps

19.2-119.2-21

FLUENT

incomplete

500

109

Length Scale

FLUENTL

upuc

L19.12-1

Specify Length ScaleDiscrete Phase Model

Length Scale

Step Length Factor

Length Scale

the Length ScaleSpecify Length Scale

FLUENT

t*FLUENT

t

Step Length Factor19.12.2

20

D

D

19.12.2

1.

2.

19.12.2

19.13

19.12.27

FLUENT

1.

2.

3.

4.

5.

19.12.3 /

FLUENT/

FLUENT

1.

2. Discrete Phase Model panelInteraction with Continuous Phase

3. Number Of Continuous Phase Iterations Per DPM Iteration

5

0FLUENT

Iterate panelFLUENT

iter continuity x-velocity y-velocity k epsilon energy time/ite

314 2.5249e-01 2.8657e-01 1.0533e+00 7.6227e-02 2.9771e-02 9.8181e-03 0:00:05

315 2.7955e-01 2.5867e-01 9.2736e-01 6.4516e-02 2.6545e-02 4.2314e-03 0:00:03

DPM Iteration ....

number tracked= 9, number escaped= 1, aborted= 0, trapped= 0, evaporated = 8, i

Done.

316 1.9206e-01 1.1860e-01 6.9573e-01 5.2692e-02 2.3997e-02 2.4532e-03 0:00:02

317 2.0729e-01 3.2982e-02 8.3036e-01 4.1649e-02 2.2111e-02 2.5369e-01 0:00:01

318 3.2820e-01 5.5508e-02 6.0900e-01 5.9018e-02 2.6619e-02 4.0394e-02 0:00:00

solve/dpm-update

Set Injection Properties panel Number of Tries

19.9.15

0n1n

19.12.3

0

0

SolveInitializeReset DPM Sources

Reset DPM Sources 0

19.13

FLUENT

/

19.13.1 Graphical Display of Trajectories

19.9 Particle Tracks panel

19.13.1

Display Particle Tracks...

29

1. Release From Injections

2. Discrete Phase Model panel

19.12.1DefineModelsDiscrete Phase...


19.9.15

3.

4. ComputeCompute

StartStop

5. DisplayPulse

PulseStopStop

6. Display

Stylepoint

Pulse

Injections panel

19.9.4

Define Injections...

FLUENT

ID

1. Particle Tracks panel.Track Single Particle Stream

2.

x y

25.14

Color ByParticle Variables...

/Update Min/Max

FLUENT

19.13.2

FLUENT

DPM Iteration ....

number tracked = 7, escaped = 4, aborted = 0, trapped = 0, evaporated = 3, incoDone.

Track

Escaped''

Incomplete''

Discrete Phase Model panel Max. Number Of Steps

19.12.1

1. 19.13.1 12

2. Report TypeSummaryDisplay Track

Report toFileWrite...Display

Select File dialog box

19.13.3

1. 19.3.1 12 Track Single Particle

Stream

2. Report TypeStep By Step

3. Report to FileDisplayWrite...

4. Significant Figures

5. Write...Select File dialog box.

Report toConsoleDisplay

Track

Time X-Position Y-Position Z-Velocity X-Velocity Y-Velocity Z-Veloc

0.000e+00 1.411e-03 3.200e-03 0.000e+00 2.650e+01 0.000e+00 0.000e

3.773e-05 2.411e-03 3.200e-03 0.000e+00 2.648e+01 0.000e+00 0.000e

5.403e-05 2.822e-03 3.192e-03 0.000e+00 2.647e+01 0.000e+00 0.000e

9.181e-05 3.822e-03 3.192e-03 0.000e+00 2.644e+01 0.000e+00 0.000e

1.296e-04 4.821e-03 3.192e-03 0.000e+00 2.642e+01 0.000e+00 0.000e

1.608e-04 5.644e-03 3.192e-03 0.000e+00 2.639e+01 0.000e+00 0.000e

. . . . . . .

. . . . . . .

. . . . . . .

elocity Y-Velocity Z-Velocity Diameter Temperature Density Mass

650e+01 0.000e+00 0.000e+00 2.000e-04 3.000e+02 1.300e+03 5.445e-09

648e+01 0.000e+00 0.000e+00 2.000e-04 3.006e+02 1.300e+03 5.445e-09

647e+01 0.000e+00 0.000e+00 2.000e-04 3.009e+02 1.300e+03 5.445e-09

644e+01 0.000e+00 0.000e+00 2.000e-04 3.015e+02 1.300e+03 5.445e-09

642e+01 0.000e+00 0.000e+00 2.000e-04 3.022e+02 1.300e+03 5.445e-09

639e+01 0.000e+00 0.000e+00 2.000e-04 3.027e+02 1.300e+03 5.445e-09

. . . . . . .

. . . . . . .

. . . . . . .9.

19.13.4

ParticleTracks panelReport TypeCurrent Positions

1. 19.3.1 12 Track Single Particle

Stream

2. Report TypeCurrent Position

3. Report to File Display Write...

4. Significant Figures

5. Write...Select File dialog box.

Time X-Position Y-Position Z-Position X-Velocity Y-Velocity Z-Veloc

0.000e+00 1.000e-03 3.120e-02 0.000e+00 1.000e+01 5.000e+00 0.000e

1.672e-05 1.168e-03 3.128e-02 0.000e+00 1.010e+01 4.988e+00 0.000e

3.342e-05 1.337e-03 3.137e-02 0.000e+00 1.019e+01 4.977e+00 0.000e

5.010e-05 1.508e-03 3.145e-02 0.000e+00 1.028e+01 4.965e+00 0.000e

6.675e-05 1.680e-03 3.153e-02 0.000e+00 1.038e+01 4.954e+00 0.000e

8.338e-05 1.854e-03 3.161e-02 0.000e+00 1.047e+01 4.942e+00 0.000e

. . . . . . .

. . . . . . .

. . . . . . .

elocity Y-Velocity Z-Velocity Diameter Temperature Density Mass

000e+01 5.000e+00 0.000e+00 7.000e-05 3.000e+02 1.300e+03 2.335e-10

010e+01 4.988e+00 0.000e+00 7.000e-05 3.009e+02 1.300e+03 2.335e-10

019e+01 4.977e+00 0.000e+00 7.000e-05 3.019e+02 1.300e+03 2.335e-10

028e+01 4.965e+00 0.000e+00 7.000e-05 3.028e+02 1.300e+03 2.335e-10

038e+01 4.954e+00 0.000e+00 7.000e-05 3.037e+02 1.300e+03 2.335e-10

047e+01 4.942e+00 0.000e+00 7.000e-05 3.046e+02 1.300e+03 2.335e-10

. . . . . . .

. . . . . . .

19.13.5

FLUENT

Discrete Phase Model...

s Source

4

/

27

19.13.1 19.13.2

19.13.6

Sample Trajectories panel 19.13.2

ReportDiscretePhase Sample...

19.13.2

1.

2. Boundaries

PlanesLines

3. ComputeStart

StopCompute

.dpm

Start

Stop

Compute

Append FilesAccumulate Erosion/Accretion Rates

19.13.8

Output

19.13.7

Trajectory Sample Histograms panel 19.13.3 Sample

Trajectories panel

19.13.6

Report Discrete Phase Histogram...

30

1. Read...

Sample

2. SampleFields

3. Plot

y OptionsPercent

Divisions

Delete Compute Min/Max

Documents

CFD package fluent info