Experimental investigations of platform film-cooling in highly-loaded turbine vanes:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Dresden
TUDpress
2013
|
| Series: | Schriftenreihe aus dem Institut für Strömungsmechanik
4 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XXII, 210 S. Ill., graph. Darst. |
| ISBN: | 9783944331362 |
Staff View
MARC
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Record in the Search Index
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| adam_text | CONTENTS
NOMENCLATURE XIII
ABSTRACT XIX
KURZZUSAMMENFASSUNG XXI
1 INTRODUCTION 1
1.1 COOLING SYSTEMS IN GAS TURBINE AIRFOILS 3
2 FILM-COOLING IN TURBINE AIRFOILS 7
2.1 MAIN GAS PATH 7
2.1.1 SECONDARY FLOWS IN TURBINE BLADINGS 7
2.1.2 ENCHVALL FILM-COOLING 11
2.1.3 ENDWALL HEAT TRANSFER 13
2.2 FILM-COOLING SITUATION 16
2.2.1 AERODYNAMIC CONDITIONS 16
2.2.2 THERMAL CONDITIONS 21
2.3 INFLUENCING PARAMETERS ON FILM-COOLING 24
2.3.1 EFFECT OF COOLING HOLE GEOMETRY 27
2.3.2 EFFECT OF DENSITY RATIO 32
2.3.3 EFFECT OF FREE-STREAM TURBULENCE INTENSITY 34
2.3.4 EFFECT OF SURFACE ROUGHNESS 35
2.3.5 EFFECT OF BOUNDARY LAYER THICKNESS 36
2.3.6 EFFECT OF MACH NUMBER 36
2.4 OBJECTIVE OF THE PRESENT WORK 37
3 EXPERIMENTAL SETUP 39
3.1 TEST RIG FOR FLAT PLATE FILM-COOLING 39
3.1.1 FILM HOLE GEOMETRY 40
3.1.2 COOLANT SUPPLY 42
3.2 TEST RIG FOR ENDWALL FILM-COOLING 44
3.2.1 AIRFOIL DEFINITION 45
3.2.2 FILM HOLE CONFIGURATION ON CASCADE ENDWALL 48
3.2.3 COOLANT SUPPLY SYSTEM 49
HTTP://D-NB.INFO/1045040983
3.2.4 DATA ACQUISITION SYSTEM 51
4 MEASUREMENT TECHNIQUES 55
4.1 PRESSURE MEASUREMENT TECHNIQUES 55
4.1.1 PNEUMATIC PROBES 55
4.1.2 WALL PRESSURE TAPS 57
4.2 FLOW RATE MEASUREMENT 59
4.3 HOT WIRE ANEMOMETRY 61
4.4 THERMOGRAPHY USING TEMPERATURE-SENSITIVE PAINTS 63
4.4.1 PHOTOPHYSICAL PRINCIPLES 63
4.4.2 SETUP OF MEASUREMENT TECHNIQUE 66
4.4.3 CALIBRATION 69
4.4.4 IMAGE DATA PROCESSING 71
5 DATA REDUCTION METHODS 73
5.1 ANALYSIS OF MAINFLOW 73
5.2 ANALYSIS OF COOLANT FLOW 77
5.3 EVALUATION OF STREAMWISE FILM EFFECTIVENESS 78
5.3.1 NUMERICAL MODEL 81
5.3.2 COMPUTATIONAL DOMAIN 85
6 THERMAL ANALYSIS USING FEM 91
6.1 FE-MODELS 92
6.1.1 FLAT PLATE FILM-COOLING 92
6.1.2 ENDWALL FILM-COOLING 93
6.2 BOUNDARY CONDITIONS 94
6.2.1 FLAT PLATE 94
6.2.2 CASCADE ENDWALL 96
6.3 HEAT LOSS INSIDE COOLING HOLES 100
6.4 DATA POST PROCESSING 101
6.5 FE-RESULTS FOR FLAT PLATE FILM-COOLING 103
6.6 FE-RESULTS FOR ENDWALL FILM-COOLING 105
7 FLAT-PLATE FILM-COOLING 109
7.1 WALL BOUNDARY LAYER 109
7.2 FILM EFFECTIVENESS FOR CYLINDRICAL HOLES ILL
7.3 COMPARISON TO LITERATURE RESULTS 114
7.4 FILM EFFECTIVENESS FOR SHAPED HOLES 117
7.5 COMPARISON TO LITERATURE RESULTS 120
8 ENDWALL FILM-COOLING 125
8.1 CASCADE AERODYNAMIC PERFORMANCE 125
8.1.1 LOSS CHARACTERISTIC AND SECONDARY LOSS COEFFICIENT 125
8.1.2 INLET BOUNDARY LAYER 126
8.1.3 FLOW FIELD AT CASCADE EXIT 127
8.1.4 EFFECT OF FLOW-PATH DISTANCE AND AIRFOIL FILLET 132
8.1.5 AIRFOIL PRESSURE DISTRIBUTION 137
8.1.6 ENDWALL STATIC PRESSURE FIELD 138
8.1.7 COMPARISON TO RESULTS OF THE NUMERICAL COMPUTATIONS 139
8.2 FILM-COOLING AT CASCADE INLET: ROW SS-1 151
8.2.1 COOLANT INJECTION 151
8.2.2 ADIABATIC FILM-COOLING EFFECTIVENESS 153
8.3 FILM-COOLING AT AIRFOIL SUCTION SIDE: ROW SS-3 157
8.3.1 COOLANT INJECTION 157
8.3.2 ADIABATIC FILM-COOLING EFFECTIVENESS 159
8.4 FILM-COOLING AT AIRFOIL PRESSURE SIDE: ROW PS-7/PS-8 162
8.4.1 COOLANT INJECTION 163
8.4.2 ADIABATIC FILM-COOLING EFFECTIVENESS 164
8.5 MULTIPLE ROW INJECTION AT AIRFOIL PRESSURE SIDE 168
8.5.1 COOLANT INJECTION 169
8.5.2 ADIABATIC FILM-COOLING EFFECTIVENESS 171
9 CONCLUSIONS 175
REFERENCES 179
A APPENDIX 189
A..1 UNCERTAINTY ESTIMATION 189
A. 1.1 STATIC WALL PRESSURES 190
A.1.2 TOTAL PRESSURE LOSSES 191
A.1.3 FILM EFFECTIVENESS 194
A.2 SUMMARY OF PRESSURE TRANSDUCERS USED IN THE COOLANT SUPPLY SYSTEM
204
A.3 HEAT TRANSFER COEFFICIENTS 205
A.4 FILLET EFFECT ON CASCADE FLOW FIELD 206
A. 5 5-HOLE PROBE MEASUREMENTS AT CASCADE OUTLET 207
A.5.1 TOTAL PRESSURE LOSS AND SECONDARY FLOW VECTORS 207
A.5.2 STREAMWISE VORTICITY (SVO) 210
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| any_adam_object | 1 |
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| dewey-ones | 620 - Engineering and allied operations |
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| series2 | Schriftenreihe aus dem Institut für Strömungsmechanik |
| spelling | Kunze, Martin Verfasser aut Experimental investigations of platform film-cooling in highly-loaded turbine vanes by Martin Kunze Dresden TUDpress 2013 XXII, 210 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Schriftenreihe aus dem Institut für Strömungsmechanik 4 Zugl.: Dresden, Techn. Univ., Diss., 2013 Filmkühlung (DE-588)4154369-5 gnd rswk-swf Leitschaufel (DE-588)4128164-0 gnd rswk-swf Gasturbinenschaufel (DE-588)4128239-5 gnd rswk-swf Temperaturverteilung (DE-588)4124300-6 gnd rswk-swf Strömungsfeld (DE-588)4058078-7 gnd rswk-swf Messung (DE-588)4038852-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Gasturbinenschaufel (DE-588)4128239-5 s Leitschaufel (DE-588)4128164-0 s Filmkühlung (DE-588)4154369-5 s Temperaturverteilung (DE-588)4124300-6 s Strömungsfeld (DE-588)4058078-7 s Messung (DE-588)4038852-9 s DE-604 Schriftenreihe aus dem Institut für Strömungsmechanik 4 (DE-604)BV041992540 4 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027400876&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Kunze, Martin Experimental investigations of platform film-cooling in highly-loaded turbine vanes Schriftenreihe aus dem Institut für Strömungsmechanik Filmkühlung (DE-588)4154369-5 gnd Leitschaufel (DE-588)4128164-0 gnd Gasturbinenschaufel (DE-588)4128239-5 gnd Temperaturverteilung (DE-588)4124300-6 gnd Strömungsfeld (DE-588)4058078-7 gnd Messung (DE-588)4038852-9 gnd |
| subject_GND | (DE-588)4154369-5 (DE-588)4128164-0 (DE-588)4128239-5 (DE-588)4124300-6 (DE-588)4058078-7 (DE-588)4038852-9 (DE-588)4113937-9 |
| title | Experimental investigations of platform film-cooling in highly-loaded turbine vanes |
| title_auth | Experimental investigations of platform film-cooling in highly-loaded turbine vanes |
| title_exact_search | Experimental investigations of platform film-cooling in highly-loaded turbine vanes |
| title_full | Experimental investigations of platform film-cooling in highly-loaded turbine vanes by Martin Kunze |
| title_fullStr | Experimental investigations of platform film-cooling in highly-loaded turbine vanes by Martin Kunze |
| title_full_unstemmed | Experimental investigations of platform film-cooling in highly-loaded turbine vanes by Martin Kunze |
| title_short | Experimental investigations of platform film-cooling in highly-loaded turbine vanes |
| title_sort | experimental investigations of platform film cooling in highly loaded turbine vanes |
| topic | Filmkühlung (DE-588)4154369-5 gnd Leitschaufel (DE-588)4128164-0 gnd Gasturbinenschaufel (DE-588)4128239-5 gnd Temperaturverteilung (DE-588)4124300-6 gnd Strömungsfeld (DE-588)4058078-7 gnd Messung (DE-588)4038852-9 gnd |
| topic_facet | Filmkühlung Leitschaufel Gasturbinenschaufel Temperaturverteilung Strömungsfeld Messung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027400876&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV041992540 |
| work_keys_str_mv | AT kunzemartin experimentalinvestigationsofplatformfilmcoolinginhighlyloadedturbinevanes |