A contribution to turbulence modelling in bubbly flows:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis/Dissertation Book |
| Language: | English |
| Published: |
Dresden
TUDpress
2017
|
| Series: | Schriftenreihe aus dem Institut für Strömungsmechanik
20 |
| Subjects: | |
| Links: | https://d-nb.info/1193194644/04 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=031670899&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| Physical Description: | XII, 102 Seiten Illustrationen, Diagramme 22 cm |
| ISBN: | 9783959081153 3959081154 |
Staff View
MARC
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| 100 | 1 | |a Ma, Tian |d 1985- |e Verfasser |0 (DE-588)1151674338 |4 aut | |
| 245 | 1 | 0 | |a A contribution to turbulence modelling in bubbly flows |c Tian Ma |
| 264 | 1 | |a Dresden |b TUDpress |c 2017 | |
| 300 | |a XII, 102 Seiten |b Illustrationen, Diagramme |c 22 cm | ||
| 336 | |b txt |2 rdacontent | ||
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| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Schriftenreihe aus dem Institut für Strömungsmechanik |v 20 | |
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Record in the Search Index
| _version_ | 1819312239990013952 |
|---|---|
| adam_text | VII
NOMENCLATURE
..............................................................................................................................
IX
1
INTRODUCTION
...........................................................................................................................
1
1.1
BACKGROUND
AND
MOTIVATION
FOR
THE
THESIS
......................................................................
1
1.2
OUTLINE
OF
THE
THESIS
.........................................................................................................
3
2
PHYSICAL
MODELLING
FOR
BUBBLY
FLOWS
..................................................................................
5
2.1
EULER-EULER
APPROACH
........................................................................................................
5
2.2
MODELLING
INTERFACIAL
FORCES
............................................................................................
5
2.3
TURBULENCE
MODELLING
....................................................................................................
10
2.4
BUBBLE-INDUCED
TURBULENCE
............................................................................................
12
3
LARGE
EDDY
SIMULATION
FOR
DISPERSED
BUBBLY
FLOWS
.........................................................
15
3.1
DESCRIPTION
OF
METHOD
EMPLOYED
..................................................................................
16
3.2
BUBBLE
COLUMN
WITH
HOMOGENEOUS
DISTRIBUTED
GAS
INLET
..............................................
18
3.2.1
EXPERIMENTAL
DATA
AND
SIMULATION
SETUP
................................................................
18
3.2.2
TRANSIENT
RESULTS
....................................................................................................
22
3.2.3
TIME-AVERAGED
RESULTS
...........................................................................................
23
3.2.4
ANALYSIS
OF
SPECTRA
................................................................................................
26
3.3
BUBBLE
PLUMES
...............................................................................................................
28
3.3.1
EXPERIMENTAL
DATA
AND
SIMULATION
SETUP
...............................................................
28
3.3.2
TRANSIENT
RESULTS
....................................................................................................
29
3.3.3
TIME-AVERAGED
RESULTS
...........................................................................................
30
3.3.4
ANALYSIS
OF
SPECTRA
................................................................................................
34
4
SCALE-ADAPTIVE
SIMULATION
OF
A
SQUARE
BUBBLE
COLUMN
..................................................
39
4.1
DESCRIPTION
OF
METHOD
EMPLOYED
.................................................................................
39
4.2
SIMULATION
OF
THE
BUBBLE
PLUME
....................................................................................
41
4.2.1
EXPERIMENTAL
DATA
AND
SIMULATION
SETUP
...............................................................
41
4.2.2
TRANSIENT
RESULTS
....................................................................................................
42
4.2.3
TIME-AVERAGED
RESULTS
...........................................................................................
43
4.2.4
ANALYSIS
OF
SPECTRA
................................................................................................
46
5
IMPROVED
RANS
MODEL
BASED
ON
DNS
DATA
..................................................................
49
5.1
DNS
DATABASE
...............................................................................................................
50
5.2
ENERGY
SPECTRA
AND
TIME
SCALES
.....................................................................................
54
5.3
RANS
MODELLING
OF
BUBBLY
FLOW
.................................................................................
58
5.3.1
BUDGET
OF
THE
TURBULENT
KINETIC
ENERGY
..................................................................
59
VIII
5.3.2
THE
MODELLED
^-BUDGET
AND
A
PRIORI
TEST
OF
THE
BIT
TERM
....................................
61
5.3.3
TRANSPORT
EQUATION
FOR
CO
........................................................................................
63
5.4
MODEL
PARAMETERS
FOR
THE
DIFFERENT
CASES
.....................................................................
63
5.4.1
COMPUTATIONAL
PROCEDURE
FOR
EE-RANS
...............................................................
63
5.4.2
PROCEDURE
FOR
DETERMINATION
OF
MODEL
COEFFICIENTS
..............................................
64
5.4.3
CLOSURE
FOR
CASE
SMMANY
......................................................................................
66
5.4.4
VARYING
THE
VOID
FRACTION
.......................................................................................
68
5.4.5
VARYING
THE
BUBBLE
SIZE
..........................................................................................
70
5.4.6
MODELLING
OF
THE
BI-DISPERSE
BUBBLY
SWARM
..........................................................
72
5.5
PROPOSED
NEW
BIT
MODEL
..............................................................................................
76
5.5.1
CORRELATIONS
FOR
C
I
&
C
..........................................................................................
76
5.5.2
ASSESSMENT
OF
EXISTING
BIT
MODELS
......................................................................
78
5.6
CRITICAL
POINTS
IN
BIT
MODELLING
....................................................................................
85
5.6.1
BIT
MODELLING
BASED
ONLY
ON
ANALYSIS
OF
TKE
BUDGET
........................................
85
5.6.2
BIT
MODELLING
BASED
ON
FITTING
TKE
.....................................................................
86
5.7
FIRST
VALIDATION
OF
THE
NEW
BIT
MODEL
..........................................................................
87
6
CONCLUSIONS
AND
DISCUSSION
................................................................................................
91
BIBLIOGRAPHY
.................................................................................................................................
93
|
| any_adam_object | 1 |
| author | Ma, Tian 1985- |
| author_GND | (DE-588)1151674338 |
| author_facet | Ma, Tian 1985- |
| author_role | aut |
| author_sort | Ma, Tian 1985- |
| author_variant | t m tm |
| building | Verbundindex |
| bvnumber | BV046293483 |
| ctrlnum | (OCoLC)1021378877 (DE-599)DNB1193194644 |
| dewey-full | 620.10640151864 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 620 - Engineering and allied operations |
| dewey-raw | 620.10640151864 |
| dewey-search | 620.10640151864 |
| dewey-sort | 3620.10640151864 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV046293483 |
| illustrated | Illustrated |
| indexdate | 2024-12-20T18:48:31Z |
| institution | BVB |
| isbn | 9783959081153 3959081154 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-031670899 |
| oclc_num | 1021378877 |
| open_access_boolean | |
| owner | DE-634 DE-83 |
| owner_facet | DE-634 DE-83 |
| physical | XII, 102 Seiten Illustrationen, Diagramme 22 cm |
| publishDate | 2017 |
| publishDateSearch | 2017 |
| publishDateSort | 2017 |
| publisher | TUDpress |
| record_format | marc |
| series | Schriftenreihe aus dem Institut für Strömungsmechanik |
| series2 | Schriftenreihe aus dem Institut für Strömungsmechanik |
| spellingShingle | Ma, Tian 1985- A contribution to turbulence modelling in bubbly flows Schriftenreihe aus dem Institut für Strömungsmechanik LES Strömung (DE-588)4315616-2 gnd Kanalströmung (DE-588)4137410-1 gnd Blasensäule (DE-588)4007033-5 gnd Turbulente Strömung (DE-588)4117265-6 gnd Direkte numerische Simulation (DE-588)4494453-6 gnd Reynoldssche Gleichung (DE-588)4261715-7 gnd Blasenströmung (DE-588)4145826-6 gnd |
| subject_GND | (DE-588)4315616-2 (DE-588)4137410-1 (DE-588)4007033-5 (DE-588)4117265-6 (DE-588)4494453-6 (DE-588)4261715-7 (DE-588)4145826-6 (DE-588)4113937-9 |
| title | A contribution to turbulence modelling in bubbly flows |
| title_auth | A contribution to turbulence modelling in bubbly flows |
| title_exact_search | A contribution to turbulence modelling in bubbly flows |
| title_full | A contribution to turbulence modelling in bubbly flows Tian Ma |
| title_fullStr | A contribution to turbulence modelling in bubbly flows Tian Ma |
| title_full_unstemmed | A contribution to turbulence modelling in bubbly flows Tian Ma |
| title_short | A contribution to turbulence modelling in bubbly flows |
| title_sort | a contribution to turbulence modelling in bubbly flows |
| topic | LES Strömung (DE-588)4315616-2 gnd Kanalströmung (DE-588)4137410-1 gnd Blasensäule (DE-588)4007033-5 gnd Turbulente Strömung (DE-588)4117265-6 gnd Direkte numerische Simulation (DE-588)4494453-6 gnd Reynoldssche Gleichung (DE-588)4261715-7 gnd Blasenströmung (DE-588)4145826-6 gnd |
| topic_facet | LES Strömung Kanalströmung Blasensäule Turbulente Strömung Direkte numerische Simulation Reynoldssche Gleichung Blasenströmung Hochschulschrift |
| url | https://d-nb.info/1193194644/04 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=031670899&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV041992540 |
| work_keys_str_mv | AT matian acontributiontoturbulencemodellinginbubblyflows |