Entrainment introduced by piers, dams and ships in a stratified channel flow:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Lyngby
Inst. of Hydrodynamics and Hydraulic Engineering
1989
|
| Schriftenreihe: | Instituttet for Str/omingsmekanik en Vandbygning <Lyngby-Tårbaek>: Series paper
48 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zsfassung in engl. und dän. Sprache. - Zugl.: Lyngby, Techn. Univ., Diss. |
| Beschreibung: | X, 197 S. Ill., graph. Darst. |
Internformat
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| 245 | 1 | 0 | |a Entrainment introduced by piers, dams and ships in a stratified channel flow |c by Carsten Jürgensen |
| 264 | 1 | |a Lyngby |b Inst. of Hydrodynamics and Hydraulic Engineering |c 1989 | |
| 300 | |a X, 197 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Instituttet for Str/omingsmekanik en Vandbygning <Lyngby-Tårbaek>: Series paper |v 48 | |
| 500 | |a Zsfassung in engl. und dän. Sprache. - Zugl.: Lyngby, Techn. Univ., Diss. | ||
| 650 | 4 | |a Mathematisches Modell | |
| 650 | 4 | |a Channels (Hydraulic engineering) |x Mathematical models | |
| 650 | 4 | |a Turbulence |x Mathematical models | |
| 830 | 0 | |a Instituttet for Str/omingsmekanik en Vandbygning <Lyngby-Tårbaek>: Series paper |v 48 |w (DE-604)BV002414656 |9 48 | |
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| 999 | |a oai:aleph.bib-bvb.de:BVB01-002901431 | ||
Datensatz im Suchindex
| _version_ | 1804118838175858688 |
|---|---|
| adam_text | vii
Page
CONTENTS:
Preface i
Summary ii
Dansk resume iv
Contents vi
1 INTRODUCTION 1
2 LOCAL TURBULENCE PRODUCTION IN CHANNEL FLOWS
2 1 Dynamically controlled exchange 3
211 Introduction 3
212 Contraction flow analysis 5
213 Sill flow analysis 11
214 Rotational effects 19
2 2 Total expansion loss 20
221 Carnot analysis 20
222 Friction against interface and
boundary 23
2 3 Exchange of momentum 25
231 Experimental exchange in wake 25
2 4 Conclusion 30
3 LABORATORY SETUP
3 1 Introduction 32
3 2 Experimental setup 33
321 The multipurpose flume 33
322 Mixed water wedge 33
323 Model effects in the actual flume 35
324 Outlet arrangement 39
325 Lifting height 43
326 Instrumentation 45
327 Calibration procedure 47
4 ENTRAINMENT EXPERIMENTS 50
4 1 Laboratory experiments on entrainment
in a subcritical two-layer sill flow 50
411 Abstract 50
412 Introduction 51
Page
vii i
413 Experimental setup 52
414 Theoretical background 53
415 Entrainment compensation 55
416 Energy loss determination 56
417 Results 58
418 Comments on the results 61
4 2 Laboratory experiments on entrainment
due to bridge piers in a subcritical
two-layer flow 65
421 Introduction 65
422 Experimental setup 66
423 Theoretical background 66
424 Energy loss 69
4241 Analytical energy loss
calculation 69
42411 Enhanced friction in areas
of enhanced velocity 70
42412 Flow expansion 72
42413 Friction in the upstream
and downstream section 74
42414 Flow expansion at inlet 75
4242 Verification of the friction
factor f/2,f in the pier
region by means of a sensi-
tivity analysis 75
4243 Semi-empirical model of
total energy loss 78
425 Entrainment 79
426 Results 79
427 Conclusion 82
4 3 Vertical mixing due to ship traffic 83
431 Abstract 83
432 Introduction 83
433 Energy analysis 85
434 Experimental setup 86
435 Results 90
436 Conclusion 94
4 4 Conclusion 96
IX
Page
5 TURBULENCE MODELLING
5 1 Introduction 98
5 2 The 1-equation model 99
521 Solution procedure 102
5 3 Results 103
531 Ship turbulence simulation 103
532 Entrainment 107
5 4 Confined flow turbulence 111
6 THE ENTRAINMENT HYPOTHESIS FOR CONFINED FLOWS 113
7 FIELD MEASUREMENTS OF SHIP-INDUCED ENTRAINMENT
7 1 Study of single ship passage 115
711 Preliminary calculations 115
7111 Introduction 115
7112 Methods 115
7113 Physics 116
7114 Conclusion 124
712 Field measurements in the near field
of a sailing ship 126
7121 Introduction 126
7122 Methods 128
7123 Results 131
7124 Conclusion 134
7125 Acknowledgements 135
7 2 Analysis of field data from the Great Belt 139
721 Introduction 139
722 Some hydrographical aspects of the
Great Belt 139
723 Field measurements 141
724 Entrainment calculations 142
7241 Wind entrainment 142
7242 Current entrainment 143
7243 Ship entrainment 145
7244 Summary 147
725 Blocking 148
7251 Internal seiching 150
X
Page
726 The effect of rotation 151
727 The Nov-2 event 155
7271 Current observations 156
7272 Salinity observations 161
7273 Ship-mixing efficiency 166
7 3 Consequence study for the Baltic Sea 169
7 4 Conclusion 175
List of symbols 176
References 179
Appendix A: 1-equation model: SHIP PAS 184
Appendix B: Table 1, Pier experiments 188
|
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| id | DE-604.BV004720872 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T16:16:39Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-002901431 |
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| owner_facet | DE-91 DE-BY-TUM DE-83 |
| physical | X, 197 S. Ill., graph. Darst. |
| publishDate | 1989 |
| publishDateSearch | 1989 |
| publishDateSort | 1989 |
| publisher | Inst. of Hydrodynamics and Hydraulic Engineering |
| record_format | marc |
| series | Instituttet for Str/omingsmekanik en Vandbygning <Lyngby-Tårbaek>: Series paper |
| series2 | Instituttet for Str/omingsmekanik en Vandbygning <Lyngby-Tårbaek>: Series paper |
| spelling | Jürgensen, Carsten Verfasser aut Entrainment introduced by piers, dams and ships in a stratified channel flow by Carsten Jürgensen Lyngby Inst. of Hydrodynamics and Hydraulic Engineering 1989 X, 197 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Instituttet for Str/omingsmekanik en Vandbygning <Lyngby-Tårbaek>: Series paper 48 Zsfassung in engl. und dän. Sprache. - Zugl.: Lyngby, Techn. Univ., Diss. Mathematisches Modell Channels (Hydraulic engineering) Mathematical models Turbulence Mathematical models Instituttet for Str/omingsmekanik en Vandbygning <Lyngby-Tårbaek>: Series paper 48 (DE-604)BV002414656 48 HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=002901431&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Jürgensen, Carsten Entrainment introduced by piers, dams and ships in a stratified channel flow Instituttet for Str/omingsmekanik en Vandbygning <Lyngby-Tårbaek>: Series paper Mathematisches Modell Channels (Hydraulic engineering) Mathematical models Turbulence Mathematical models |
| title | Entrainment introduced by piers, dams and ships in a stratified channel flow |
| title_auth | Entrainment introduced by piers, dams and ships in a stratified channel flow |
| title_exact_search | Entrainment introduced by piers, dams and ships in a stratified channel flow |
| title_full | Entrainment introduced by piers, dams and ships in a stratified channel flow by Carsten Jürgensen |
| title_fullStr | Entrainment introduced by piers, dams and ships in a stratified channel flow by Carsten Jürgensen |
| title_full_unstemmed | Entrainment introduced by piers, dams and ships in a stratified channel flow by Carsten Jürgensen |
| title_short | Entrainment introduced by piers, dams and ships in a stratified channel flow |
| title_sort | entrainment introduced by piers dams and ships in a stratified channel flow |
| topic | Mathematisches Modell Channels (Hydraulic engineering) Mathematical models Turbulence Mathematical models |
| topic_facet | Mathematisches Modell Channels (Hydraulic engineering) Mathematical models Turbulence Mathematical models |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=002901431&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV002414656 |
| work_keys_str_mv | AT jurgensencarsten entrainmentintroducedbypiersdamsandshipsinastratifiedchannelflow |