Wake vortices of landing aircraft:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Köln
DLR
2013 [erschienen] 2014
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Forschungsbericht / Deutsches Zentrum für Luft- und Raumfahrt
2014,10 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XIII, 148 S. Ill., zahlr. graph. Darst. |
Internformat
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| 300 | |a XIII, 148 S. |b Ill., zahlr. graph. Darst. | ||
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| 490 | 1 | |a Forschungsbericht / Deutsches Zentrum für Luft- und Raumfahrt |v 2014,10 | |
| 502 | |a Zugl.: München, Univ., Diss., 2014 | ||
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Datensatz im Suchindex
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|---|---|
| adam_text | INHALTSVERZEICHNIS
ABSTRACT VI
ZUSAMMENFASSUNG IX
1. INTRODUCTION 1
1.1. MOTIVATION . . . 1
1.2. AINIS OF THE THESIS 2
1.3. STATC-OF-THE-ART - REEENT DEVELOPMENTS 7
1.4. OVERVIEW OVEI THE THESIS 10
2. METHODS 13
2.1. WAKE-VORTEX PRINCIPLES 13
2 11 WAKE-VORTEX AND HFT GENERATION OF AN AIRCRAFT . . 13
2.1.2. WING IN GRONND EFFEET . . . . . IG
2 1.3. PLIASES OF WAKE-VORTEX EVOLUTION .... . . 17
2 1.4. LANDING PLIASES . . . . . . 19
2.1.5 FLIGHT, TEST DATA . ... . 21
2.1 6 VORTEX INODELS AND PARANIETERS 23
2.2. AMBIENT TURBULENCE FIELD 28
2.2.1. AMBIENT WIND . . 28
2.2 2. STRNT WAKE TURBULENCE 30
2.3. LES CODE ... 32
2.3.1. GOVERNING EQUATIONS 33
2.3.2. LAGRANGIAN DYNAMIC SUBGND-SEALE NIODEL . . 34
2.3.3 FOURTH-ORDER FINITE VOLNNIE COMPACT SCHERNE . . 30
2.3.4. SPLIT-INTERFAEE ALGONTHM .... 37
2.3.5. VELOCITY-PRESSURE ITERATION METHOD ON A MULTI GRID 37
2.3.6. THIRD-ORDER RUNGE-KUTTA 38
2.3.7. OBSTAELE MODELING . . 39
2 4. LES OF BOUNDARY LAYER FLOW 39
2 4.1. RESOLUTION REQUIREMENTS AND CORNPUTATIONAL COMPLEXITY 40
2 4.2. WALL NIODEL FOR THE GROUND SURFACE 41
2.5. RANS/LES COTIPLING 42
2.5.1. FORTIFIED
SOLUTION ALGORITHM
43
2.5 2. RANS/LES INTCRFACC 44
HTTP://D-NB.INFO/1049989872
XII INHALTSVERZEICHNIS
2.5 3. ALICRA.FT DESCENT AND TOUCHDOWN . 45
2.5 4. BOUNDARY TREATMCNT . . . 47
2.6. TURBULENCE INITIALIZATION . . . . 47
2.6.1. WIND INITIALIZATION 47
2.6 2 STRUT WAKE INITIALIZATION . . . 48
2.7. WAKE-VORTEX INITIALIZATION 50
2.7.1. TEMPORAL LES 50
2.7 2. SPATIAL LES 51
2.7.3. HANS FLOW IICLD * . . 51
2 8 COMPUTATIONAL DOMAIN 52
2.8.1. TEMPORAL LES . . 52
2.8.2. SPATIAL LES 53
2.9. POST-PIOCESSMG .... 54
2.9.1. VORTEX CENTER TRACKING 54
2.9.2. SECONDARY VORTEX LIELIX ... 55
3. RESULTS 57
3.1. LISTING OF SIINULATIONS . . 57
3.2. FLOW FIELD OF A LANDING AIICRAFT ... 59
3.2 1. CONIPLETE LANDING 59
3.2 2. VOITCX PAIR M GROUND PROXNNITY 62
3.2.3. CROSSWIND EFFECT .... 62
3.2.4. OBSTACLE EFFECT . . . 63
3.3. WAKE-VORTEX EVOLUTION WITH FIAT GROUND 65
3.3.1. IN GROUND EFFECT WITHOUT TURBULENCE. ACADEMIC CASE . . 65
3.3.2. WAKE
-VORTEX DECAY MECHAIIISNIS IN CROSSWIND SITUATION
. . . . 65
3 3.3. TRAJECTORIES AND DECAY . . . . 69
3 3.4. THE EFFECT OF A WALL INODEL IN LIIGLI REYNOLDS NUNIBER FIOWS 71
3.4. OBSTACLE EFFECTS 73
3.4.1. DETAILCD ANALYSIS OF VORTEX DYNAMICS WITLI OBSTACLE . 73
3.4 2. TRAJECTORIES AND DECAY 79
3.4.3. EFFECTS OF DIFFERENT OBSTACLE GEOMETRIES AND LIEADWIND 80
3.5. WMG-IN-GROUND EFFECT 84
3.6. TOUCHDOWN EFFECTS 86
3 6.1. VORTEX DIVCRGENCE . 86
3.6.2. END CFFECTS ... ... 86
3.7. WAKE VORTEX TOPOLOGY ... 89
3.8. VORTEX DECAY AND COIE RADIUS EVOLUTION 89
3.8.1. FIAT GROUND 89
3.8.2. PLATE LINE EFFEETS 91
3.8.3. WAKE-VORTEX DECAY PHASES IN GROUND PROXINUTY 93
4. DISCUSSION 95
INHALTSVERZEICHNIS XIII
4.1. COMPANSON OF LES WITLI TOWING TANK EXPERIMENTS 95
4.1.1. EXPERIMCNTAL SETNP - WATER TOWING TANK .... . .... 95
4.1.2. NNMERICAL SETNP 90
4.1.3. SIMULATION . . . 90
4 1.4. EXPERIMENT . . . 98
4 1.5. TRAJECTORIES AND DCCAY 100
4 1.0. PROPAGATION OF END EFFEETS . ... . 104
4.1.7. EFFEETS OF SEVERAL OBSTAELES 104
4.2. COMPARISON WITH FIELE! INCASUREMENT CAMPAIGNS 107
4.2.1. FRANKFURT (WAKEFRA) 108
4.2.2. MUNICH (WFCKCMUC) 108
4.3. GENERAL REMARKS . 114
5. CONCLUSIONS AND OUTLOOK 115
A. APPENDIX: AIRCRAFT GEOMETRY 119
B. APPENDIX: ROUGH SURFACES 123
NOMENCLATURE 125
ABBILDUNGSVERZEICHNIS 131
TABELLENVERZEICHNIS 135
LITERATURVERZEICHNIS 137
ACKNOWLEDGMENTS 148
|
| any_adam_object | 1 |
| author | Stephan, Anton |
| author_facet | Stephan, Anton |
| author_role | aut |
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| ctrlnum | (OCoLC)879501193 (DE-599)BVBBV041807733 |
| discipline | Verkehr / Transport |
| edition | Als Ms. gedr. |
| format | Thesis Book |
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| indexdate | 2024-07-10T01:05:50Z |
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| language | English |
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| physical | XIII, 148 S. Ill., zahlr. graph. Darst. |
| publishDate | 2013 |
| publishDateSearch | 2014 |
| publishDateSort | 2014 |
| publisher | DLR |
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| series2 | Forschungsbericht / Deutsches Zentrum für Luft- und Raumfahrt |
| spelling | Stephan, Anton Verfasser aut Wake vortices of landing aircraft Anton Stephan Als Ms. gedr. Köln DLR 2013 [erschienen] 2014 XIII, 148 S. Ill., zahlr. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Forschungsbericht / Deutsches Zentrum für Luft- und Raumfahrt 2014,10 Zugl.: München, Univ., Diss., 2014 Landung (DE-588)4120649-6 gnd rswk-swf LES Strömung (DE-588)4315616-2 gnd rswk-swf Wirbelschleppe (DE-588)4384015-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Landung (DE-588)4120649-6 s Wirbelschleppe (DE-588)4384015-2 s LES Strömung (DE-588)4315616-2 s DE-604 Deutsches Zentrum für Luft- und Raumfahrt Forschungsbericht 2014,10 (DE-604)BV011758990 2014,10 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027253150&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Stephan, Anton Wake vortices of landing aircraft Landung (DE-588)4120649-6 gnd LES Strömung (DE-588)4315616-2 gnd Wirbelschleppe (DE-588)4384015-2 gnd |
| subject_GND | (DE-588)4120649-6 (DE-588)4315616-2 (DE-588)4384015-2 (DE-588)4113937-9 |
| title | Wake vortices of landing aircraft |
| title_auth | Wake vortices of landing aircraft |
| title_exact_search | Wake vortices of landing aircraft |
| title_full | Wake vortices of landing aircraft Anton Stephan |
| title_fullStr | Wake vortices of landing aircraft Anton Stephan |
| title_full_unstemmed | Wake vortices of landing aircraft Anton Stephan |
| title_short | Wake vortices of landing aircraft |
| title_sort | wake vortices of landing aircraft |
| topic | Landung (DE-588)4120649-6 gnd LES Strömung (DE-588)4315616-2 gnd Wirbelschleppe (DE-588)4384015-2 gnd |
| topic_facet | Landung LES Strömung Wirbelschleppe Hochschulschrift |
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