A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Aachen
Shaker
2013
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| Schriftenreihe: | Berichte aus dem Bauwesen
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis Inhaltsverzeichnis |
| Beschreibung: | XXXII, 320 S. Ill., zahlr. graph. Darst., Kt. |
| ISBN: | 9783844024418 |
Internformat
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| 245 | 1 | 0 | |a A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers |c Francesca Lupi |
| 264 | 1 | |a Aachen |b Shaker |c 2013 | |
| 300 | |a XXXII, 320 S. |b Ill., zahlr. graph. Darst., Kt. | ||
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| 490 | 0 | |a Berichte aus dem Bauwesen | |
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| 546 | |a Zsfassung in engl., ital. und und dt. Sprache | ||
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Datensatz im Suchindex
| _version_ | 1804152870429261824 |
|---|---|
| adam_text | TABLE OF CONTENTS
CHAPTER 1. INTRODUCTION 1
1.1 THE SOLAR UPDRAFT POWER PLANTS TECHNOLOGY 1
1.2 HISTORICAL REVIEW 3
1.3 PRODUCTION OF ENERGY 6
1.4 MAIN COMPONENTS OF THE POWER PLANT 11
1.4.1 THE TOWER 11
1.4.2 THE COLLECTOR 14
1.4.3 THE TURBINES 15
1.5 AIM OF THE RESEARCH 16
CHAPTER 2. RISK SCENARIO FOR SUPPS TECHNOLOGY 19
2.1 AEOLIAN RISK 19
2.2 RISK MANAGEMENT FRAMEWORK 20
2.3 NATURAL HAZARD - THE WIND ACTION 23
2.3.1 THE STRUCTURE OF STRONG WINDS IN THE ATMOSPHERIC BOUNDARY LAYER 24
2.3.2 EXPERIMENTAL AND NUMERICAL INVESTIGATION OF THE ABL 38
2.3.3 THE CORIOLIS FORCE 44
2.3.4 TROPICAL CYCLONES AND TORNADOES 49
2.4 STRUCTURAL VULNERABILITY OF THE TOWER TO THE WIND ACTION 50
CHAPTER 3. FLOW AROUND CIRCULAR CYLINDERS: STATE OF THE ART 55
3.1 THE BOUNDARY LAYER AND ITS SEPARATION 55
3.2 THE STATE OF THE FLOW AS A FUNCTION OF THE REYNOLDS NUMBER 56
3.2.1 FULLY LAMINAR STATE 58
3.2.2 TRANSITIONAL STATES 59
3.2.3 FULLY TURBULENT STATE 66
3.2.4 SUMMARY 66
3.3 EFFECT OF SURFACE ROUGHNESS 68
IX
HTTP://D-NB.INFO/1044724994
3.4 EFFECT OF FREE-STREAM TURBULENCE 73
3.5 THREE DIMENSIONAL EFFECTS 78
3.6 BI-STABLE FLOWS IN LITERATURE 98
CHAPTER 4. EXPERIMENTAL SET-UP FOR WIND TUNNEL TESTS 101
4.1 WIST WIND TUNNEL (RUHR-UNIVERSITY BOCHUM) 101
4.1.1 GEOMETRY OF THE BOUNDARY LAYER WIND TUNNEL 101
4.1.2 FLOW CHARACTERISTICS 104
4.1.3 PRESSURE MEASUREMENT TECHNIQUE 116
4.2 MODEL OF THE SOLAR UPDRAFT TOWER 119
4.3 OUTLINE OF THE EXPERIMENTS 127
4.4 PRELIMINARY RESULTS ON THE CIRCULAR CYLINDER 131
4.4.1 VELOCITY OF EFFLUX 131
4.4.2 INTERNAL PRESSURE 132
4.4.3 REYNOLDS EFFECTS ON THE SMOOTH AND ROUGH CYLINDER 133
CHAPTER 5. A NEW PHENOMENON AROUND CIRCULAR CYLINDERS 143
5.1 EXPERIMENTAL OBSERVATION 143
5.2 DESCRIPTION OF A NEW CROSS-WIND PHENOMENON 145
5.2.1 THREE MAIN FEATURES 145
5.2.2 STEP BY STEP THROUGH A JUMP BETWEEN TWO STATES 149
5.2.3 LITERATURE AND NOVELTY 153
5.3 CONDITIONS OF OCCURRENCE 155
5.3.1 DEPENDENCY ON THE REYNOLDS NUMBER 156
5.3.2 EFFECT OF SURFACE ROUGHNESS 159
5.3.3 INFLUENCE OF BOUNDARY LAYER 161
5.3.4 REMOVAL OF EXPERIMENTAL (UNINTENTIONAL) DISTURBANCES 162
5.3.5 THE EFFECT OF THE EFFLUX 162
5.3.6 THE EFFECT OF NUMBER AND SIZE OF RINGS 163
5.4 A PHYSICAL INTERPRETATION 166
5.5 EFFECT ON WIND LOAD 181
X
5.6 MITIGATION STRATEGIES 184
CHAPTER 6. EXPERIMENTAL AND NUMERICAL EVIDENCE 187
6.1 CRIACIV WIND TUNNEL (UNIVERSITY OF FLORENCE) 187
6.1.1 CHARACTERISTICS AND INSTRUMENTATION 187
6.1.2 OUTLINE OF THE EXPERIMENTS 190
6.2 THE BISTABLE FLOW AT CRIACIV 195
6.3 INFLUENCE OF THE ATMOSPHERIC BOUNDARY LAYER 200
6.4 ASYMMETRIC BI-STABLE FLOW IN CFD SIMULATIONS 208
6.5 CONCLUDING REMARKS 214
CHAPTER 7. LOAD AND RESPONSE 217
7.1 MODELLING OF WIND LOAD 217
7.1.1 INFLUENCE OF BOUNDARY LAYER FLOWS ON FORCE COEFFICIENTS 217
7.1.2 MEAN PRESSURE COEFFICIENT DISTRIBUTION 223
7.1.3 RMS PRESSURE COEFFICIENTS: BODY-INDUCED AND TURBULENCE-INDUCED
FLUCTUATIONS 228
7.1.4 CROSS-CORRELATION COEFFICIENTS 238
7.2 THE BEAM RESPONSE 250
7.2.1 QUASI-STATIC AND DYNAMIC BEAM RESPONSE 250
7.2.2 THE STRUCTURAL RESPONSE TO THE ASYMMETRIC LOAD 262
7.3 THE SHELL RESPONSE 267
7.3.1 VALIDATION OF THE SIMPLIFIED WIND LOAD MODEL 267
7.3.2 LOCAL EFFECTS IN THE VICINITY OF THE STIFFENING RINGS 271
7.3.3 DYNAMIC AMPLIFICATION 274
7.3.4 THE SHELL RESPONSE UNDER ASYMMETRIC WIND LOAD (10 RING BEAMS) 275
CHAPTER 8. CONCLUSIONS AND FUTURE OUTLOOKS 283
CHAPTER 9. BIBLIOGRAPHY 287
CHAPTER LO.APPENDIX 305
10.1 MODELLING OF WIND LOAD (CHAPTER 7) 305
10.2 THE BEAM RESPONSE (CHAPTER 7) 309
XI
10.3 THE SHELL RESPONSE (CHAPTER 7)
XLL
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| id | DE-604.BV042296249 |
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| indexdate | 2024-07-10T01:17:35Z |
| institution | BVB |
| isbn | 9783844024418 |
| language | English |
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| spelling | Lupi, Francesca 1984- Verfasser (DE-588)1047975599 aut A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers Francesca Lupi Aachen Shaker 2013 XXXII, 320 S. Ill., zahlr. graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Berichte aus dem Bauwesen Zugl.: Braunschweig, Techn. Univ. und Florenz, Univ., Diss., 2013 Zsfassung in engl., ital. und und dt. Sprache Aussteifung (DE-588)4122858-3 gnd rswk-swf Stahlbetonrohr (DE-588)4056853-2 gnd rswk-swf Turm (DE-588)4203577-6 gnd rswk-swf Atmosphärische Grenzschicht (DE-588)4192517-8 gnd rswk-swf Windlast (DE-588)4133242-8 gnd rswk-swf Aufwindkraftwerk (DE-588)4143438-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Aufwindkraftwerk (DE-588)4143438-9 s Turm (DE-588)4203577-6 s Stahlbetonrohr (DE-588)4056853-2 s Aussteifung (DE-588)4122858-3 s Windlast (DE-588)4133242-8 s Atmosphärische Grenzschicht (DE-588)4192517-8 s DE-604 DE-601 pdf/application http://www.gbv.de/dms/bs/toc/773510532.pdf Inhaltsverzeichnis DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027733309&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Lupi, Francesca 1984- A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers Aussteifung (DE-588)4122858-3 gnd Stahlbetonrohr (DE-588)4056853-2 gnd Turm (DE-588)4203577-6 gnd Atmosphärische Grenzschicht (DE-588)4192517-8 gnd Windlast (DE-588)4133242-8 gnd Aufwindkraftwerk (DE-588)4143438-9 gnd |
| subject_GND | (DE-588)4122858-3 (DE-588)4056853-2 (DE-588)4203577-6 (DE-588)4192517-8 (DE-588)4133242-8 (DE-588)4143438-9 (DE-588)4113937-9 |
| title | A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers |
| title_auth | A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers |
| title_exact_search | A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers |
| title_full | A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers Francesca Lupi |
| title_fullStr | A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers Francesca Lupi |
| title_full_unstemmed | A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers Francesca Lupi |
| title_short | A new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers |
| title_sort | a new aerodynamic phenomenon and its effects on the design of ultra high cylindrical towers |
| topic | Aussteifung (DE-588)4122858-3 gnd Stahlbetonrohr (DE-588)4056853-2 gnd Turm (DE-588)4203577-6 gnd Atmosphärische Grenzschicht (DE-588)4192517-8 gnd Windlast (DE-588)4133242-8 gnd Aufwindkraftwerk (DE-588)4143438-9 gnd |
| topic_facet | Aussteifung Stahlbetonrohr Turm Atmosphärische Grenzschicht Windlast Aufwindkraftwerk Hochschulschrift |
| url | http://www.gbv.de/dms/bs/toc/773510532.pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027733309&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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