Large-Eddy simulation of subsonic and supersonic film cooling flows:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Aachen
Shaker
2012
|
| Schriftenreihe: | Berichte aus der Strömungstechnik
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | X, 145 S. Ill., graph. Darst. |
| ISBN: | 9783844014952 |
Internformat
MARC
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| 245 | 1 | 0 | |a Large-Eddy simulation of subsonic and supersonic film cooling flows |c Martin Max Ewald Wilhelm Konopka |
| 264 | 1 | |a Aachen |b Shaker |c 2012 | |
| 300 | |a X, 145 S. |b Ill., graph. Darst. | ||
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| 337 | |b n |2 rdamedia | ||
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| 490 | 0 | |a Berichte aus der Strömungstechnik | |
| 502 | |a Zugl.: Aachen, Techn. Hochsch., Diss., 2012 | ||
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Datensatz im Suchindex
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|---|---|
| adam_text | IMAGE 1
CONTENTS
ABSTRACT/UBERSICHT II
NOMENCLATURE VII
1 INTRODUCTION 1
1.1 FILM COOLING METHODS 1
1.2 FLOW CHARACTERISTICS O F SUBSONIC A N D SUPERSONIC FILM COOLING 3
1.3 NUMERICAL FILM COOLING MODELING 5
1.4 OUTLINE O F T H E PRESENT WORK 7
2 MATHEMATICAL FORMULATIONS 9
2.1 THE GOVERNING EQUATIONS FOR A MULTI-COMPONENT MIXTURE 9
2.2 FLUID PROPERTIES 11
2.3 BODY-FITTED GRID 12
2.4 LARGE-EDDY SIMULATION 13
2.5 DEFINITION O F AVERAGES 15
3 NUMERICAL METHOD 17
3.1 DISCRETIZATION O F T H E EULER TERMS 17
3.2 DISCRETIZATION O F T H E NON-EULER TERMS 19
3.3 TEMPORAL INTEGRATION 20
I SUBSONIC FILM COOLING 21
4 SUBSONIC FILM COOLING IN AN ADVERSE PRESSURE GRADIENT FLOW 22
4.1 FLOW CONFIGURATION 24
4.2 COMPUTATIONAL D O M A I N A N D MESH 26
4.3 RESULTS 28
4.3.1 TURBULENT STRUCTURES 29
4.3.2 COMPARISON O F NUMERICAL RESULTS A N D PIV-MEASUREMENT 29
4.3.3 COOLING EFFECTIVENESS 31
4.3.4 INFLUENCE O F APG O N COOLING EFFECTIVENESS 34
4.3.5 INFLUENCE O F T H E DENSITY RATIO 36
4.3.6 INFLUENCE O F THE BLOWING RATE A T APG 36
HTTP://D-NB.INFO/1027748139
IMAGE 2
IV
CONTENTS
4.3.7 TURBULENT SPECIES TRANSPORT 39
4.4 CONCLUSION 42
II SUPERSONIC FILM COOLING 43
5 SHOCK-COOLING-FILM INTERACTIONS 44
5.1 BOUNDARY CONDITIONS 44
5.2 DISCUSSION O F T H E SPANWISE D O M A I N EXTENSION 45
5.3 LOW INJECTION MACH N U M B E R 45
5.3.1 SCHEMATIC DESCRIPTION O F T H E FILM-COOLING CONFIGURATIONS 4 8
5.3.2 COMPUTATIONAL DETAILS 48
5.3.3 DETAILS O F T H E TEST-CASE 49
5.3.4 FLOW CONFIGURATION 49
5.3.5 RESULTS 50
5.3.6 CONCLUSION 66
5.4 HIGH INJECTION MACH N U M B E R 67
5.4.1 COMPUTATIONAL MESH 68
5.4.2 FLOW CONFIGURATION 68
5.4.3 RESULTS 69
5.4.4 CONCLUSION 78
5.5 LARGE DENSITY GRADIENTS 78
5.5.1 SCHEMATIC DESCRIPTION O F T H E SHOCK-COOLING-FILM INTERACTION . .
. . 80
5.5.2 COMPUTATIONAL DETAILS 81
5.5.3 FLOW CONFIGURATION 81
5.5.4 RESULTS 82
5.5.5 CONCLUSION 102
6 SUPERSONIC FILM COOLING AT FINITE PRESSURE GRADIENTS 104
6.1 BOUNDARY CONDITIONS A N D COMPUTATIONAL MESH 104
6.2 FLOW CONFIGURATION 106
6.3 RESULTS 106
6.3.1 MAIN FLOW CHARACTERISTICS O F SUPERSONIC FILM COOLING WITH
PRESSURE GRADIENTS 107
6.3.2 INSTANTANEOUS FLOW FIELD 108
6.3.3 COOLING EFFECTIVENESS 109
6.3.4 MEAN FLOW FIELD 110
6.3.5 TURBULENCE STATISTICS 112
6.3.6 TURBULENT TRANSPORT OF HEAT A N D M O M E N T U M 115
IMAGE 3
V
6.4 S U M M A R Y 117
7 SUPERSONIC FILM COOLING AT TURBULENT INJECTION 118
7.1 BOUNDARY CONDITIONS A N D COMPUTATIONAL MESH 118
7.2 FLOW CONFIGURATION 119
7.3 RESULTS 120
7.3.1 FLOW CHARACTERISTICS 120
7.3.2 INSTANTANEOUS FLOW FIELD 121
7.3.3 COOLING EFFECTIVENESS 122
7.4 MEAN FLOW FIELD 124
7.5 TURBULENCE STATISTICS 126
7.6 CONCLUSION 130
8 SUMMARY 131
BIBLIOGRAPHY 134
A REFERENCE VALUES 143
B LAMINAR MIXING 144
|
| any_adam_object | 1 |
| author | Konopka, Martin Max Ewald Wilhelm |
| author_GND | (DE-588)1029457778 |
| author_facet | Konopka, Martin Max Ewald Wilhelm |
| author_role | aut |
| author_sort | Konopka, Martin Max Ewald Wilhelm |
| author_variant | m m e w k mmew mmewk |
| building | Verbundindex |
| bvnumber | BV040778953 |
| classification_rvk | UF 4000 ZL 5400 |
| ctrlnum | (OCoLC)826906003 (DE-599)DNB1027748139 |
| dewey-full | 629.134353 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 629 - Other branches of engineering |
| dewey-raw | 629.134353 |
| dewey-search | 629.134353 |
| dewey-sort | 3629.134353 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen Physik Verkehr / Transport |
| format | Thesis Book |
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| indexdate | 2024-07-10T00:33:44Z |
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| isbn | 9783844014952 |
| language | English |
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| physical | X, 145 S. Ill., graph. Darst. |
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| spelling | Konopka, Martin Max Ewald Wilhelm Verfasser (DE-588)1029457778 aut Large-Eddy simulation of subsonic and supersonic film cooling flows Martin Max Ewald Wilhelm Konopka Aachen Shaker 2012 X, 145 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Berichte aus der Strömungstechnik Zugl.: Aachen, Techn. Hochsch., Diss., 2012 Filmkühlung (DE-588)4154369-5 gnd rswk-swf Staustrahltriebwerk (DE-588)4182988-8 gnd rswk-swf Gasturbinenschaufel (DE-588)4128239-5 gnd rswk-swf Überschallströmung (DE-588)4186626-5 gnd rswk-swf Unterschallströmung (DE-588)4135418-7 gnd rswk-swf LES Strömung (DE-588)4315616-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Gasturbinenschaufel (DE-588)4128239-5 s Filmkühlung (DE-588)4154369-5 s Unterschallströmung (DE-588)4135418-7 s LES Strömung (DE-588)4315616-2 s DE-604 Staustrahltriebwerk (DE-588)4182988-8 s Überschallströmung (DE-588)4186626-5 s DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025757224&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Konopka, Martin Max Ewald Wilhelm Large-Eddy simulation of subsonic and supersonic film cooling flows Filmkühlung (DE-588)4154369-5 gnd Staustrahltriebwerk (DE-588)4182988-8 gnd Gasturbinenschaufel (DE-588)4128239-5 gnd Überschallströmung (DE-588)4186626-5 gnd Unterschallströmung (DE-588)4135418-7 gnd LES Strömung (DE-588)4315616-2 gnd |
| subject_GND | (DE-588)4154369-5 (DE-588)4182988-8 (DE-588)4128239-5 (DE-588)4186626-5 (DE-588)4135418-7 (DE-588)4315616-2 (DE-588)4113937-9 |
| title | Large-Eddy simulation of subsonic and supersonic film cooling flows |
| title_auth | Large-Eddy simulation of subsonic and supersonic film cooling flows |
| title_exact_search | Large-Eddy simulation of subsonic and supersonic film cooling flows |
| title_full | Large-Eddy simulation of subsonic and supersonic film cooling flows Martin Max Ewald Wilhelm Konopka |
| title_fullStr | Large-Eddy simulation of subsonic and supersonic film cooling flows Martin Max Ewald Wilhelm Konopka |
| title_full_unstemmed | Large-Eddy simulation of subsonic and supersonic film cooling flows Martin Max Ewald Wilhelm Konopka |
| title_short | Large-Eddy simulation of subsonic and supersonic film cooling flows |
| title_sort | large eddy simulation of subsonic and supersonic film cooling flows |
| topic | Filmkühlung (DE-588)4154369-5 gnd Staustrahltriebwerk (DE-588)4182988-8 gnd Gasturbinenschaufel (DE-588)4128239-5 gnd Überschallströmung (DE-588)4186626-5 gnd Unterschallströmung (DE-588)4135418-7 gnd LES Strömung (DE-588)4315616-2 gnd |
| topic_facet | Filmkühlung Staustrahltriebwerk Gasturbinenschaufel Überschallströmung Unterschallströmung LES Strömung Hochschulschrift |
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