Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
München
Verlag Dr. Hut
2021
|
| Ausgabe: | 1. Auflage |
| Schriftenreihe: | Thermodynamik
|
| Schlagworte: | |
| Online-Zugang: | Inhaltstext http://www.dr.hut-verlag.de/978-3-8439-4707-7.html Inhaltsverzeichnis |
| Beschreibung: | xxii, 110 Seiten Illustrationen, Diagramme 21 cm x 14.8 cm, 217 g |
| ISBN: | 9783843947077 3843947074 |
Internformat
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| 245 | 1 | 0 | |a Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes |c Thomas Wimmer |
| 250 | |a 1. Auflage | ||
| 264 | 1 | |a München |b Verlag Dr. Hut |c 2021 | |
| 300 | |a xxii, 110 Seiten |b Illustrationen, Diagramme |c 21 cm x 14.8 cm, 217 g | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 0 | |a Thermodynamik | |
| 502 | |b Dissertation |c Universität Stuttgart |d 2021 | ||
| 653 | |a Additive Manufacturing | ||
| 653 | |a Gas Turbine | ||
| 653 | |a Laser Powder Bed Fusion | ||
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Datensatz im Suchindex
| _version_ | 1804182513592041472 |
|---|---|
| adam_text | Contents
Acknowledgements i
Abstract iii
Kurzfassung v
1 Introduction 1
11 Motivation 6 ee eee ee eee 1
1 2 Problem Considered: In-Wall Cooling Design for Additively Manufactured
Gas Turbine Ring Segment 6 ee eee 2
13 Stateofthe Art 2 eee eee eee eens 4
13 1 Additive Manufacturing 6 ee eee 4
132 Design Considerations 2 0 eee ees 5
133 Additively Manufactured Parts in Gas Turbines 10
1 34 Heat Transfer and Fluid Mechanics in Additively Manufactured Channels 10
13 5 High Temperature Measuring Techniques - 0005 12
14 AimofthisWork 2000 ee eee eee 15
2 Experimental Setup 17
2 1 The Additively Manufactured Ring Segment 0 00000 eee 17
211 In-Wall Cooling Scheme 2 ee eee eee et ees 17
212 Manufacturing Process 6 ee ee es 19
2 13 Testing 6 ccc eee ee ee eee ete eee 23
Thermocouple Instrumentation 0 ee 23
Pressure Taps 6 eee ee et eet eee eee 26
2 2 Standard RingSegment 0 eee eee ee eee 26
2 3 Berlin Test Facility 2 ee eee eee 27
2 4 MoMFIoM: Mobile Mass Flow Measurement System --5 29
241 Hardware 20e eee ee eee eee 29
2 4 3 Friction Factor Derivation 2222 center nn 3
244 Uncertainty Analysis 2 ee es 32
245 Inlet Pressure Loss 2 eee eee 33
246 Outlet Pressure Loss 2 ee ee eee ens 33
247 Knudsen Range of Experiments © 6 ee eee ee 33
2 5 Wavy Channels Specimen 0 6 ee ee eee ne 33
2 6 Micro Photography : 2 20 rer ernennen een 36
3 Numerical Setup 39
3 1 Thermal Model 6 1 eee ee ee een 39
311 Cold Side Boundary Conditions 2 0 ee ees 40
312 Thermal Boundary Condition Scaling for the Hot Gas Path Surface 41
313 Flow Network Boundary Conditions 0 ce eee 42
314 Deviation Modeling of the Installed Ring Segments -- 42
315 Deviation Modeling of the Standard Ring Segment -- 43
316 Nusselt Number Correlation for Wavy Channels 2225 43
317 Flow Network Calibration of the Additively Manufactured Ring Segment 44
318 Nominal Models of Additively Manufactured and Standard Ring Segment 45
319 Modeling Uncertainty Analysis 6 6 ee ee eee 45
3 2 Computational Fluid Dynamics (CFD) 6 20 eee ee ee eee 49
321 Inlet Pressure Loss Coefficients for Experiment Evaluation 52
Data Reduction to Pressure Loss Coefficients 0 0 00 0 ee 52
Convergence Criteria 6 ee ee eet 53
Mesh Sensitivity „222er uraeeenernreene nennen 54
Employed Meshes 2 eee cee ee eee eens 55
322 Smooth Wavy Channel 2 eee ees 55
Mesh Study 0 cee eee eet eee eens 56
4 Design Method for In-Wall Cooling Schemes 59
4 1 Automated Design Method 100 cee eee eee ee eee 59
4 2 Cooling Scheme Creation 2 cece ee eee eee 60
43 Parameter Study 6 eee eee eee eee 61
44 Wall Thickness Variation 6 1 ee eee eee 63
4 5 Local Wall Thickness Adaptation © 2 0 ce ee eet 63
5 Results: Full Engine Test 67
5 1 Model Calibration: Standard Ring Segment (SRS) © 0 60 0 eae 67
5 2 Model Calibration: Additively Manufactured Ring Segment (AMRS) - 68
5 3 Nominal Comparison of the Ring Segments 600 00000055 69
54 Conclusion 2 cee ee ee eee eee eens 72
6 Results: Laser Powder Bed Fusion for Wavy Macro Channels
6 1 Geometrical Accuracy 2222-20 ee ee eee
6 2 Wavy Channel Friction Factors ee ee ee ee eee
621 Roughnessand Geometry 6 ee ee eee tees
63 Conclusion 6 6 eee eee
7 Results: Parameter and Sensitivity Study of In-Wall Cooling Schemes
7 1 Performance Indicators for Cooling Design Assessment 0005
7 2 Parameter Variation © 6 ee ee eens
721 Topology #1 6 ee tenes
722 Topology #2 0 6 eee ee eee eee ees
723 Topology #3 6 ee eee ee
7 3 Wall Thickness Variation 6 ete
74 Local Wall Thickness Adaptation © 6 2 ce eee tee eee
7 5 Conclusion 000 ee ee ete eee
8 Conclusions and Outlook
A Uncertainty Analysis of Experimental Friction Factor Derivation
Bibliography
|
| adam_txt |
Contents
Acknowledgements i
Abstract iii
Kurzfassung v
1 Introduction 1
11 Motivation 6 ee eee ee eee 1
1 2 Problem Considered: In-Wall Cooling Design for Additively Manufactured
Gas Turbine Ring Segment 6 ee eee 2
13 Stateofthe Art 2 eee eee eee eens 4
13 1 Additive Manufacturing 6 ee eee 4
132 Design Considerations 2 0 eee ees 5
133 Additively Manufactured Parts in Gas Turbines 10
1 34 Heat Transfer and Fluid Mechanics in Additively Manufactured Channels 10
13 5 High Temperature Measuring Techniques - 0005 12
14 AimofthisWork 2000 ee eee eee 15
2 Experimental Setup 17
2 1 The Additively Manufactured Ring Segment 0 00000 eee 17
211 In-Wall Cooling Scheme 2 ee eee eee et ees 17
212 Manufacturing Process 6 ee ee es 19
2 13 Testing 6 ccc eee ee ee eee ete eee 23
Thermocouple Instrumentation 0 ee 23
Pressure Taps 6 eee ee et eet eee eee 26
2 2 Standard RingSegment 0 eee eee ee eee 26
2 3 Berlin Test Facility 2 ee eee eee 27
2 4 MoMFIoM: Mobile Mass Flow Measurement System --5 29
241 Hardware 20e eee ee eee eee 29
2 4 3 Friction Factor Derivation 2222 center nn 3
244 Uncertainty Analysis 2 ee es 32
245 Inlet Pressure Loss 2 eee eee 33
246 Outlet Pressure Loss 2 ee ee eee ens 33
247 Knudsen Range of Experiments © 6 ee eee ee 33
2 5 Wavy Channels Specimen 0 6 ee ee eee ne 33
2 6 Micro Photography : 2 20 rer ernennen een 36
3 Numerical Setup 39
3 1 Thermal Model 6 1 eee ee ee een 39
311 Cold Side Boundary Conditions 2 0 ee ees 40
312 Thermal Boundary Condition Scaling for the Hot Gas Path Surface 41
313 Flow Network Boundary Conditions 0 ce eee 42
314 Deviation Modeling of the Installed Ring Segments -- 42
315 Deviation Modeling of the Standard Ring Segment -- 43
316 Nusselt Number Correlation for Wavy Channels 2225 43
317 Flow Network Calibration of the Additively Manufactured Ring Segment 44
318 Nominal Models of Additively Manufactured and Standard Ring Segment 45
319 Modeling Uncertainty Analysis 6 6 ee ee eee 45
3 2 Computational Fluid Dynamics (CFD) 6 20 eee ee ee eee 49
321 Inlet Pressure Loss Coefficients for Experiment Evaluation 52
Data Reduction to Pressure Loss Coefficients 0 0 00 0 ee 52
Convergence Criteria 6 ee ee eet 53
Mesh Sensitivity „222er uraeeenernreene nennen 54
Employed Meshes 2 eee cee ee eee eens 55
322 Smooth Wavy Channel 2 eee ees 55
Mesh Study 0 cee eee eet eee eens 56
4 Design Method for In-Wall Cooling Schemes 59
4 1 Automated Design Method 100 cee eee eee ee eee 59
4 2 Cooling Scheme Creation 2 cece ee eee eee 60
43 Parameter Study 6 eee eee eee eee 61
44 Wall Thickness Variation 6 1 ee eee eee 63
4 5 Local Wall Thickness Adaptation © 2 0 ce ee eet 63
5 Results: Full Engine Test 67
5 1 Model Calibration: Standard Ring Segment (SRS) © 0 60 0 eae 67
5 2 Model Calibration: Additively Manufactured Ring Segment (AMRS) - 68
5 3 Nominal Comparison of the Ring Segments 600 00000055 69
54 Conclusion 2 cee ee ee eee eee eens 72
6 Results: Laser Powder Bed Fusion for Wavy Macro Channels
6 1 Geometrical Accuracy 2222-20 ee ee eee
6 2 Wavy Channel Friction Factors ee ee ee ee eee
621 Roughnessand Geometry 6 ee ee eee tees
63 Conclusion 6 6 eee eee
7 Results: Parameter and Sensitivity Study of In-Wall Cooling Schemes
7 1 Performance Indicators for Cooling Design Assessment 0005
7 2 Parameter Variation © 6 ee ee eens
721 Topology #1 6 ee tenes
722 Topology #2 0 6 eee ee eee eee ees
723 Topology #3 6 ee eee ee
7 3 Wall Thickness Variation 6 ete
74 Local Wall Thickness Adaptation © 6 2 ce eee tee eee
7 5 Conclusion 000 ee ee ete eee
8 Conclusions and Outlook
A Uncertainty Analysis of Experimental Friction Factor Derivation
Bibliography |
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| discipline | Maschinenbau / Maschinenwesen Maschinenbau |
| discipline_str_mv | Maschinenbau / Maschinenwesen Maschinenbau |
| edition | 1. Auflage |
| format | Thesis Book |
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| spelling | Wimmer, Thomas 1989- Verfasser (DE-588)122797194X aut Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes Thomas Wimmer 1. Auflage München Verlag Dr. Hut 2021 xxii, 110 Seiten Illustrationen, Diagramme 21 cm x 14.8 cm, 217 g txt rdacontent n rdamedia nc rdacarrier Thermodynamik Dissertation Universität Stuttgart 2021 Additive Manufacturing Gas Turbine Laser Powder Bed Fusion (DE-588)4113937-9 Hochschulschrift gnd-content Verlag Dr. Hut (München) (DE-588)10174118-2 pbl X:MVB text/html http://deposit.dnb.de/cgi-bin/dokserv?id=0cfb1f9aebbb4920aebb36729ef61c19&prov=M&dok_var=1&dok_ext=htm Inhaltstext X:MVB http://www.dr.hut-verlag.de/978-3-8439-4707-7.html HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=032720939&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Wimmer, Thomas 1989- Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes |
| subject_GND | (DE-588)4113937-9 |
| title | Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes |
| title_auth | Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes |
| title_exact_search | Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes |
| title_exact_search_txtP | Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes |
| title_full | Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes Thomas Wimmer |
| title_fullStr | Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes Thomas Wimmer |
| title_full_unstemmed | Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes Thomas Wimmer |
| title_short | Design and evaluation of additively manufactured gas turbine ring segments with in-wall cooling schemes |
| title_sort | design and evaluation of additively manufactured gas turbine ring segments with in wall cooling schemes |
| topic_facet | Hochschulschrift |
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