Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Göttingen
Cuvillier
2012
|
| Ausgabe: | 1. Aufl. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 161 S. Ill., graph. Darst. 21 cm |
| ISBN: | 9783954041527 |
Internformat
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| 245 | 1 | 0 | |a Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation |c von Xiana Romaní Fernández |
| 250 | |a 1. Aufl. | ||
| 264 | 1 | |a Göttingen |b Cuvillier |c 2012 | |
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| 336 | |b txt |2 rdacontent | ||
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| 502 | |a Zugl.: Karlsruhe, Karlsruher Inst. für Technologie, Diss., 2012 | ||
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Datensatz im Suchindex
| _version_ | 1804150481778376706 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
1 INTRODUCTION
2 CENTRIFUGATION. FUNDAMENTALS AND STATE O F THE ART. 2.1 FLOW IN
CENTRIFUGAL FIELD 5
2.1.1 TANGENTIAL FLOW
2.1.2 AXIAL FLOW. THE PLUG FLOW THEORY AND THE BOUNDARY LAYER THEORY
2.1.3 SPIN-UP PROCESS IN CENTRIFUGES 2.2 SEDIMENTATION IN CENTRIFUGAL
FIELD 2.2.1 SEDIMENTATION O F A SINGLE PARTICLE
2.2.2 EFFECT O F THE CONCENTRATION ON THE SEDIMENTATION 2.2.3
CALCULATION O F THE SEPARATION EFFICIENCY
3 NUMERICAL SIMULATION. FUNDAMENTALS AND STATE O F THE ART 3 .1
FUNDAMENTALS O F THE COMPUTATIONAL FLUID DYNAMICS 3.1.1 CONSERVATION
EQUATIONS 3.1.2 METHODOLOGY TO SOLVE THE CONSERVATION EQUATIONS
3.1.3 TURBULENCE MODELS
3.1.4 MULTIPHASE FLOW APPROACHES 3.2 MATHEMATICAL FORMULATION O F THE
FLUID 3.3 MATHEMATICAL FORMULATION O F THE PARTICLES 3.3.1 DISCRETE
PHASE MODEL
3.3.2 DISCRETE ELEMENT METHOD
4 FLOW SIMULATION
4.1 GEOMETRY AND GRID 41
4.2 BOUNDARY CONDITIONS AND SOLUTION METHOD 45
4.2.1 BOUNDARY AND DOMAIN CONDITIONS 45
4.2.2 DISCRETISATION SCHEMAS 4 7
4.2.3 SOLVER 4 9
4.3 RESULTS - 2D SIMULATIONS 51
4.3.1 PHASE DISTRIBUTION 52
4.3.2 FLOW PATTERN
4.4 RESULTS - 3D SIMULATIONS
4.4.1 PHASE DISTRIBUTION
4.4.2 TANGENTIAL FLOW
4.4.3 AXIAL FLOW
4.4.4 RADIAL FLOW
4.4.5 COMPARISON O F TURBULENCE MODELS 4.4.6 PRESSURE
4.4.7 SHEAR STRESS
HTTP://D-NB.INFO/1025164555
IMAGE 2
5 VALIDATION O F THE FLOW WITH A MODEL CENTRIFUGE 8 5
5.1 COLOUR TRACKING 85
5.2 RESIDENCE TIME DISTRIBUTION 86
5.3 LASER DOPPLER ANEMOMETRY 90
5.3.1 THEORY O F THE LASER DOPPLER ANEMOMETRY 90
5.3.2 EXPERIMENTAL SET-UP AND MEASUREMENT PROCEDURE 93
5.3.3 EXPERIMENTAL RESULTS AND VALIDATION 9 6
6 SINGLE PARTICLE SIMULATION 103
6.1 GEOMETRY AND GRID 103
6.2 BOUNDARY CONDITIONS AND SOLUTION METHOD 103
6.3 PARTICLE TREATMENT AT THE GAS-LIQUID INTERFACE 105
6.4 RESULTS 108
6.4.1 PARTICLE TRACES 108
6.4.2 GRADE EFFICIENCY 110
6.4.3 PARTICLE ACCUMULATION 112
7 SEDIMENT SIMULATION 116
7.1 GEOMETRY AND GRID 116
7.2 BOUNDARY CONDITIONS AND SOLUTION METHOD 117
7.3 RESULTS 122
7.3.1 VERIFICATION O F THE COUPLING METHODOLOGY 122
7.3.2 SEDIMENT BEHAVIOUR 123
7.3.3 INFLUENCE O F THE SEDIMENT O N THE FLOW 127
8 EXPERIMENTS AND VALIDATION WITH INDUSTRIAL CENTRIFUGES 129
8.1 EXPERIMENTAL SET-UP AND PROCEDURE 129
8.2 EXPERIMENTS WITH THE CENTRIFUGE A-25 133
8.3 EXPERIMENTS WITH THE CENTRIFUGE S-15 137
8.4 DEVELOPMENT O F A NEW A-25 139
9 CONCLUSIONS AND FURTHER W O R K 141
10 REFERENCES 145
11 NOMENCLATURE 153
LATIN SYMBOLS 153
GREEK SYMBOLS 154
FIXED INDICES 155
ABBREVIATIONS 156
12 APPENDIX 157
12.1 SURFACE TENSION MODEL CODE 157
12.2 CODE FOR THE SINK TERM DUE TO THE SEDIMENT 160
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| any_adam_object | 1 |
| author | Romaní Fernández, Xiana |
| author_GND | (DE-588)1024826902 |
| author_facet | Romaní Fernández, Xiana |
| author_role | aut |
| author_sort | Romaní Fernández, Xiana |
| author_variant | f x r fx fxr |
| building | Verbundindex |
| bvnumber | BV041099419 |
| ctrlnum | (OCoLC)809063458 (DE-599)DNB1025164555 |
| dewey-full | 660.2842 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 660 - Chemical engineering |
| dewey-raw | 660.2842 |
| dewey-search | 660.2842 |
| dewey-sort | 3660.2842 |
| dewey-tens | 660 - Chemical engineering |
| discipline | Chemie / Pharmazie |
| edition | 1. Aufl. |
| format | Thesis Book |
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| genre_facet | Hochschulschrift |
| id | DE-604.BV041099419 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:39:34Z |
| institution | BVB |
| isbn | 9783954041527 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-026075843 |
| oclc_num | 809063458 |
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| owner_facet | DE-634 |
| physical | 161 S. Ill., graph. Darst. 21 cm |
| publishDate | 2012 |
| publishDateSearch | 2012 |
| publishDateSort | 2012 |
| publisher | Cuvillier |
| record_format | marc |
| spelling | Romaní Fernández, Xiana Verfasser (DE-588)1024826902 aut Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation von Xiana Romaní Fernández 1. Aufl. Göttingen Cuvillier 2012 161 S. Ill., graph. Darst. 21 cm txt rdacontent n rdamedia nc rdacarrier Zugl.: Karlsruhe, Karlsruher Inst. für Technologie, Diss., 2012 Numerische Strömungssimulation (DE-588)4690080-9 gnd rswk-swf Vollmantelzentrifuge (DE-588)4188580-6 gnd rswk-swf Diskrete-Elemente-Methode (DE-588)4577038-4 gnd rswk-swf Mehrphasenströmung (DE-588)4169315-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Vollmantelzentrifuge (DE-588)4188580-6 s Mehrphasenströmung (DE-588)4169315-2 s Diskrete-Elemente-Methode (DE-588)4577038-4 s Numerische Strömungssimulation (DE-588)4690080-9 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026075843&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Romaní Fernández, Xiana Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation Numerische Strömungssimulation (DE-588)4690080-9 gnd Vollmantelzentrifuge (DE-588)4188580-6 gnd Diskrete-Elemente-Methode (DE-588)4577038-4 gnd Mehrphasenströmung (DE-588)4169315-2 gnd |
| subject_GND | (DE-588)4690080-9 (DE-588)4188580-6 (DE-588)4577038-4 (DE-588)4169315-2 (DE-588)4113937-9 |
| title | Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation |
| title_auth | Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation |
| title_exact_search | Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation |
| title_full | Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation von Xiana Romaní Fernández |
| title_fullStr | Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation von Xiana Romaní Fernández |
| title_full_unstemmed | Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation von Xiana Romaní Fernández |
| title_short | Prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation |
| title_sort | prediction of multiphase flow and separation efficiency of industrial centrifuges by means of numerical simulation |
| topic | Numerische Strömungssimulation (DE-588)4690080-9 gnd Vollmantelzentrifuge (DE-588)4188580-6 gnd Diskrete-Elemente-Methode (DE-588)4577038-4 gnd Mehrphasenströmung (DE-588)4169315-2 gnd |
| topic_facet | Numerische Strömungssimulation Vollmantelzentrifuge Diskrete-Elemente-Methode Mehrphasenströmung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026075843&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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