Multiphase flows with droplets and particles:
Saved in:
| Format: | Book |
|---|---|
| Language: | English |
| Published: |
Boca Raton, Fla. [u.a.]
CRC Press
2012
|
| Edition: | 2. ed. |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XV, 494 S. graph. Darst. |
| ISBN: | 9781439840504 |
Staff View
MARC
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| 245 | 1 | 0 | |a Multiphase flows with droplets and particles |c Clayton T. Crowe ... |
| 250 | |a 2. ed. | ||
| 264 | 1 | |a Boca Raton, Fla. [u.a.] |b CRC Press |c 2012 | |
| 300 | |a XV, 494 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 650 | 4 | |a Multiphase flow | |
| 650 | 4 | |a Drops | |
| 650 | 4 | |a Particles | |
| 650 | 7 | |a TECHNOLOGY & ENGINEERING / Mechanical |2 bisacsh | |
| 650 | 7 | |a TECHNOLOGY & ENGINEERING / Material Science |2 bisacsh | |
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| 700 | 1 | |a Crowe, Clayton T. |d 1933-2012 |e Sonstige |0 (DE-588)1089375999 |4 oth | |
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| 999 | |a oai:aleph.bib-bvb.de:BVB01-024670188 | ||
Record in the Search Index
| _version_ | 1804148740213178368 |
|---|---|
| adam_text | Contents
Preface
xiii
1
Introduction
1
1.1
Industrial
applications
....................... 4
1.1.1
Spray
drying
........................ 4
1.1.2
Pollution control
...................... 5
1.1.3
Transport systems
..................... 6
1.1.4
Fluidized
beds
....................... 10
1.1.5
Manufacturing and material processing
......... 11
1.2
Energy conversion and propulsion
................. 14
1.2.1
Pulverized-coal-fired furnaces
............... 14
1.2.2
Solid propellant rocket
................... 14
1.3
Fire suppression and control
.................... 15
1.4
Summary
.............................. 15
2
Properties of Dispersed Phase Flows
17
2.1
Concept of a continuum
...................... 17
2.2
Density and volume fraction
.................... 19
2.3
Particle or droplet spacing
..................... 21
2.4
Response times
........................... 24
2.5
Stokes number
........................... 25
2.6
Dilute versus dense flows
...................... 26
2.7
Phase coupling
........................... 29
2.7.1
Mass coupling
........................ 30
2.7.2
Momentum coupling
.................... 33
2.7.3
Energy coupling
...................... 34
2.8
Properties of an equilibrium mixture
............... 35
2.9
Summary
.............................. 36
2.10
Exercises
.............................. 36
3
Size Distribution
39
3.1
Discrete size distributions
..................... 39
3.2
Continuous size distributions
................... 41
3.3
Statistical parameters
....................... 42
vii
viii CONTENTS
3.3.1
Mode
............................ 43
3.3.2
Mean
............................ 43
3.3.3
Variance
........................... 43
3.3.4
Median
........................... 43
3.3.5
Sauter
mean diameter
................... 44
3.4
Frequently used size distributions
................. 44
3.4.1
Log-normal distribution
.................. 44
3.4.2
Rosin-Rammler distribution
................ 47
3.4.3
Log-hyperbolic distribution
................ 49
3.5
Summary
.............................. 51
3.6
Exercises
.............................. 51
4
Particle-Fluid Interaction
57
4.1
Single-particle equations
...................... 57
4.1.1
Continuity equation
.................... 58
4.1.2
Translational momentum equation
............ 59
4.1.3
Angular momentum equation
............... 59
4.1.4
Energy equation
...................... 60
4.2
Mass coupling
............................ 60
4.2.1
Evaporation or condensation
............... 60
4.2.2
Mass transfer from slurry droplets
............ 63
4.2.3
Combustion
......................... 65
4.3
Linear momentum coupling
.................... 67
4.3.1
Particle drag forces
..................... 67
4.3.2
Particle lift forces
...................... 96
4.3.3
Equation summary
..................... 100
4.3.4
Body forces
......................... 100
4.3.5
Rotational momentum coupling
.............. 102
4.4
Energy coupling
.......................... 103
4.4.1
Convective heat transfer
.................. 104
4.4.2
Transient term
....................... 107
4.4.3
Radiative heat transfer
................... 108
4.4.4
Dielectric heating
...................... 110
4.5
Summary
..............................
Ц0
4.6
Exercises
.............................. 110
5
Particle-Particle Interaction
119
5.1
Particle-particle interaction
.................... 119
5.1.1
Hard sphere model
..................... 120
5.1.2
Soft sphere model (DSEM)
................ 124
5.1.3
Hard sphere simulation of a soft sphere model
...... 132
5.1.4
Cohesive force
....................... 133
5.1.5
van
der Waals
forces
.................... 135
5.1.6
Solid particle agglomeration
................ 137
5.1.7
Fluid forces on approaching particles
........... 137
CONTENTS ix
5.2
Particle-wall interaction
......................139
5.2.1
Momentum and energy exchange at walls
........ 140
5.2.2
Irregular bouncing
..................... 149
5.2.3
Erosion
........................... 151
5.3
Summary
.............................. 152
5.4
Exercises
.............................. 153
6
Continuous Phase Equations
157
6.1
Averaging procedures
....................... 158
6.1.1
Time averaging
....................... 158
6.1.2
Volume averaging
...................... 160
6.1.3
Ensemble averaging
.................... 162
6.2
Volume averaging
.......................... 163
6.3
Property flux through a particle cloud
.............. 167
6.4
Volume-averaged conservation equations
............. 169
6.4.1
Quasi-one-dimensional flow
................ 169
6.4.2
Continuity equation
.................... 169
6.4.3
Momentum equation
.................... 173
6.4.4
Energy equation
...................... 181
6.5
Equation summary
......................... 191
6.6
Summary
.............................. 191
6.7
Exercises
..............................192
7
Turbulence
199
7.1
Review of turbulence in single-phase flow
............199
7.1.1
General features of turbulence
..............199
7.1.2
Modeling single-phase turbulence
.............201
7.2
Turbulence modulation by particles
................202
7.3
Review of modulation models
...................207
7.3.1
Empirical Models
......................208
7.3.2
Turbulence models with dusty-gas equations
.......209
7.3.3
Point particle models
....................211
7.3.4
Models based on volume averaging
............211
7.4
Basic test case for turbulence models
...............212
7.5
Volume-averaged turbulence models
...............214
7.5.1
Defining volume-averaged turbulence
...........215
7.5.2
Turbulence kinetic energy equation
............216
7.5.3
Turbulence dissipation equation
..............217
7.5.4
Turbulence Reynolds stress equation
...........222
7.6
Application to experimental results
................226
7.7
Summary
..............................230
7.8
Exercises
..............................232
χ
CONTENTS
8 Droplet-Particle
Cloud Equations
235
8.1
Discrete Element Method (DEM)
................ .238
8.2
Discrete Parcel Method (DPM)
................. .239
8.2.1
Non-dense flows
..................... .240
8.2.2
Dense flows
........................ .253
8.3
Two-fluid model
......................... .254
8.4
PDF models
............................ .257
8.5
Summary
.............................. 258
9
Numerical Modeling
259
9.1
Complete Numerical Simulation
..................260
9.2
DNS models
.............................261
9.2.1
Model formulation and solution procedure
........261
9.2.2
Application to particle-laden flows
............ 262
9.2.3
Current status
.......................264
9.3
LES
models
.............................264
9.3.1
Model formulation
.....................264
9.3.2
Application to particle-laden flows
............265
9.4
VANS numerical models
...................... 267
9.4.1
Boundary conditions
....................276
9.4.2
Numerical solution procedures
.............. 276
9.4.3
Application examples
...................285
9.5
Summary
..............................290
10
Experimental Methods
291
10.1
Sampling methods
.........................294
10.1.1
Imaging methods, microscopy
...............295
10.1.2
Sieving analysis
.......................296
10.1.3
Sedimentation methods
..................299
10.1.4
Electrical sensing zone method (Coulter principle)
. . . 306
10.1.5
Optical analysis
.......................308
10.2
Integral methods
..........................308
10.2.1
Light attenuation
......................309
10.2.2
Laser-diffraction method
..................310
10.2.3
Cross-correlation techniques
................314
10.3
Local measurement techniques
..................317
10.3.1
Isokinetic sampling
.....................318
10.3.2
Optical fiber probes
....................322
10.3.3
Scattering intensity measurements
............324
10.3.4
Laser-Doppler
anemometry
................335
10.3.5
Phase-Doppler
anemometry
................347
10.3.6
Imaging techniques
.....................367
10.4
Summary
..............................377
10.5
Exercises
..............................378
CONTENTS xi
A Single-Particle Equations
381
A.I Reynolds transport theorem
....................381
A.
2
Mass conservation
.........................386
A.3 Momentum conservation
......................387
A.3.1 Linear momentum
.....................387
A.
3.2
Moment of momentum
...................391
A.
4
Energy conservation
........................393
A.4.1 Heat transfer to particle
..................396
A.
4.2
Work rate of particles on surroundings
..........396
В
Volume Averaging
401
B.I Volume average of the gradient operation
............402
B.2 Volume averaging of the time derivative
.............406
С
Volume-Averaged Equations
409
C.I Continuity equation
........................409
C.2 Momentum equation
........................411
C.3 Energy equation
..........................414
C.3.1 Thermal energy equation
.................415
C.3.
2
Mechanical energy equation
................419
C.3.3 Total energy equation
...................424
D
Turbulence Equations
425
D.I Turbulence energy
.........................426
D.I.I Continuity and momentum equations
..........427
D.1.2 Mechanical energy equation
................427
D.1.3 Turbulence energy equation
................432
D.2 Turbulence dissipation
.......................435
D.2.1 Volume averaging
......................436
D.2.
2
The dissipation transport equation
............443
D.3 Reynolds stress
...........................446
D.3.1 Volume-averaged momentum equations
.........446
D.3.
2
Volume average for the Reynolds stress
.........447
D.3.3 Reynolds stress equation
..................451
E Brownian
Motion
455
References
461
Nomenclature
483
Index
489
|
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| discipline | Physik Chemie-Ingenieurwesen |
| edition | 2. ed. |
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| id | DE-604.BV039809869 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:11:56Z |
| institution | BVB |
| isbn | 9781439840504 |
| language | English |
| lccn | 2011030499 |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-024670188 |
| oclc_num | 548660482 |
| open_access_boolean | |
| owner | DE-703 DE-92 DE-91G DE-BY-TUM DE-29T |
| owner_facet | DE-703 DE-92 DE-91G DE-BY-TUM DE-29T |
| physical | XV, 494 S. graph. Darst. |
| publishDate | 2012 |
| publishDateSearch | 2012 |
| publishDateSort | 2012 |
| publisher | CRC Press |
| record_format | marc |
| spelling | Multiphase flows with droplets and particles Clayton T. Crowe ... 2. ed. Boca Raton, Fla. [u.a.] CRC Press 2012 XV, 494 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Multiphase flow Drops Particles TECHNOLOGY & ENGINEERING / Mechanical bisacsh TECHNOLOGY & ENGINEERING / Material Science bisacsh Mehrphasenströmung (DE-588)4169315-2 gnd rswk-swf Tropfen (DE-588)4130676-4 gnd rswk-swf Teilchen (DE-588)4059317-4 gnd rswk-swf Mehrphasenströmung (DE-588)4169315-2 s Teilchen (DE-588)4059317-4 s DE-604 Tropfen (DE-588)4130676-4 s Crowe, Clayton T. 1933-2012 Sonstige (DE-588)1089375999 oth Digitalisierung UB Bayreuth application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024670188&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Multiphase flows with droplets and particles Multiphase flow Drops Particles TECHNOLOGY & ENGINEERING / Mechanical bisacsh TECHNOLOGY & ENGINEERING / Material Science bisacsh Mehrphasenströmung (DE-588)4169315-2 gnd Tropfen (DE-588)4130676-4 gnd Teilchen (DE-588)4059317-4 gnd |
| subject_GND | (DE-588)4169315-2 (DE-588)4130676-4 (DE-588)4059317-4 |
| title | Multiphase flows with droplets and particles |
| title_auth | Multiphase flows with droplets and particles |
| title_exact_search | Multiphase flows with droplets and particles |
| title_full | Multiphase flows with droplets and particles Clayton T. Crowe ... |
| title_fullStr | Multiphase flows with droplets and particles Clayton T. Crowe ... |
| title_full_unstemmed | Multiphase flows with droplets and particles Clayton T. Crowe ... |
| title_short | Multiphase flows with droplets and particles |
| title_sort | multiphase flows with droplets and particles |
| topic | Multiphase flow Drops Particles TECHNOLOGY & ENGINEERING / Mechanical bisacsh TECHNOLOGY & ENGINEERING / Material Science bisacsh Mehrphasenströmung (DE-588)4169315-2 gnd Tropfen (DE-588)4130676-4 gnd Teilchen (DE-588)4059317-4 gnd |
| topic_facet | Multiphase flow Drops Particles TECHNOLOGY & ENGINEERING / Mechanical TECHNOLOGY & ENGINEERING / Material Science Mehrphasenströmung Tropfen Teilchen |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024670188&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT croweclaytont multiphaseflowswithdropletsandparticles |