Holdings: Research on the accuracy of flow simulation in gas turbine exhaust diffusers

Research on the accuracy of flow simulation in gas turbine exhaust diffusers:

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Bibliographic Details
Main Author:	Brouwer, Silke (Author)
Format:	Thesis Book
Language:	English
Published:	Aachen Shaker Verlag 2018
Series:	Strömungstechnik
Subjects:	Diffusorströmung Kombinationskraftwerk Gasturbine Numerische Strömungssimulation Hochschulschrift
Online Access:	Inhaltsverzeichnis Inhaltsverzeichnis
Physical Description:	XV, 168 Seiten Illustrationen, Diagramme 21 cm
ISBN:	9783844061048

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MARC


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adam_text	CONTENT VORWORT I ABSTRACT III KURZFASSUNG V CONTENT VII NOMENCLATURE XI 1 INTRODUCTION 1 1.1 MOTIVATION 1 1.2 SCOPE OF THE WORK 4 1.3 PROCEDURE 4 2 BASICS OF DIFFUSER FLOW 7 2.1 FUNCTIONALITY AND APPLICATIONS 8 2.2 PERFORMANCE COEFFICIENTS 9 2.3 FLOW CHARACTERISTICS 11 2.4 IMPACT OF INLET FLOW CONDITIONS 14 3 COMPUTATIONAL FLUID DYNAMICS 17 3.1 GOVERNING EQUATIONS OF FLUID DYNAMICS 17 3.2 SIMULATION OF TURBULENT FLOW 18 3.2.1 ENERGY SPECTRUM OR CASCADE 19 3.2.2 DIRECT NUMERICAL SIMULATION (DNS) 21 3.2.3 LARGE SCALE SIMULATIONS 21 3.3 STATISTICAL APPROACH BY REYNOLDS-AVERAGED NAVIER-STOKES EQUATIONS 22 3.3.1 BOUSSINESQ* EDDY VISCOSITY APPROXIMATION 24 3.3.2 K- MODELS 25 3.3.3 K-O) MODEL 29 3.3.4 BSL/SST MODEL 31 3.3.5 URANS 33 3.3.6 SAS-SST MODEL 34 3.3.7 SUMMARY OF APPLICABILITY FOR DIFFUSER FLOW 36 3.4 DISCRETIZATION SCHEMES AND SOLUTION STRATEGY 36 3.5 CFD PROCESS AND QUALITY ASSURANCE 37 3.6 STATE-OF-THE-ART IN DIFFUSER CFD 40 4 TEST CASES AND CFD MODELING 43 4.1 EXPERIMENTAL INVESTIGATIONS FOR VALIDATION DATA 43 4.1.1 MEASUREMENT TECHNIQUE AND POST-PROCESSING 44 4.1.2 PINCHED CONFIGURATION 46 4.2 STATE-OF-THE-ART CFD MODELING AND SIMULATION 46 4.2.1 DOMAIN AND BOUNDARY CONDITIONS 47 4.2.2 GRID GENERATION 50 4.2.3 SOLVER SETTINGS 52 5 BASE CONFIGURATION WITHOUT TIP JET FLOW 53 5.1 SIMULATION OF BASIS CFD MODEL 53 5.1.1 CONVERGENCE 53 5.1.2 CFD RESULTS AND VALIDATION WITH EXPERIMENTAL DATA 54 5.1.3 BASE CONFIGURATION 58 5.1.4 SUMMARY 58 5.2 STUDIES OF ERRORS 59 5.2.1 ITERATION OR CONVERGENCE ERROR 59 5.2.2 DISCRETIZATION OR NUMERICAL ERROR 62 5.3 APPLICATION UNCERTAINTIES 72 5.3.1 BOUNDARY CONDITIONS AT THE INLET OF THE COMPUTATIONAL DOMAIN 73 5.3.2 MASS FLOW RATE AT THE OUTLET OF THE COMPUTATIONAL DOMAIN 98 5.3.3 COMPUTATIONAL DOMAIN 100 5.4 MODEL UNCERTAINTIES 104 5.4.1 STEADY-STATE SIMULATIONS (RANS) 104 5.4.2 TRANSIENT SIMULATIONS (URANS) 111 5.4.3 CONCLUSIONS 122 6 PINCHED CONFIGURATION WITH TIP JET FLOW 125 6.1 SIMULATION OF BASE CFD MODEL 125 6.2 APPLICATION UNCERTAINTIES 127 6.2.1 BOUNDARY CONDITIONS AT THE INLET OF THE COMPUTATIONAL DOMAIN 127 6.2.2 TIP JET INLET 129 6.2.3 COMPUTATIONAL DOMAIN 130 6.3 MODEL UNCERTAINTIES 131 6.3.1 STEADY-STATE SIMULATIONS (RANS) 131 6.3.2 TRANSIENT SIMULATIONS (URANS) 134 6.3.3 CONCLUSIONS 143 7 CONCLUSIONS FOR DIFFUSER CFD 145 7.1 CONVERGENCE 145 7.2 DISCRETIZATION: SCHEME AND GRID GENERATION 145 7.3 BOUNDARY CONDITIONS AND COMPUTATIONAL DOMAIN 146 7.4 TURBULENCE MODELING 147 7.5 APPLICATION TO OTHER CONFIGURATIONS 149 8 SUMMARY AND OUTLOOK 151 LITERATURE 155 A APPENDIX 163 A.L INLET SECTION MODEL 163 A. 1.1 CFD MODEL 163 A. 1.2 VALIDATION WITH TEST DATA IN SO 164 A.2 MEASURED INLET PROFILE OF TURBULENCE INTENSITY AND CONSTANT EDDY VISCOSITY RATIO 167
any_adam_object	1
author	Brouwer, Silke
author_GND	(DE-588)1167542738
author_facet	Brouwer, Silke
author_role	aut
author_sort	Brouwer, Silke
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bvnumber	BV045303236
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dewey-full	621.406
dewey-hundreds	600 - Technology (Applied sciences)
dewey-ones	621 - Applied physics
dewey-raw	621.406
dewey-search	621.406
dewey-sort	3621.406
dewey-tens	620 - Engineering and allied operations
discipline	Maschinenbau / Maschinenwesen
format	Thesis Book
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indexdate	2024-07-10T08:14:20Z
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isbn	9783844061048
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physical	XV, 168 Seiten Illustrationen, Diagramme 21 cm
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publisher	Shaker Verlag
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spelling	Brouwer, Silke Verfasser (DE-588)1167542738 aut Research on the accuracy of flow simulation in gas turbine exhaust diffusers Silke Brouwer Aachen Shaker Verlag 2018 XV, 168 Seiten Illustrationen, Diagramme 21 cm txt rdacontent n rdamedia nc rdacarrier Strömungstechnik Dissertation Universität Stuttgart 2018 Diffusorströmung (DE-588)4149823-9 gnd rswk-swf Kombinationskraftwerk (DE-588)4231148-2 gnd rswk-swf Gasturbine (DE-588)4019416-4 gnd rswk-swf Numerische Strömungssimulation (DE-588)4690080-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Kombinationskraftwerk (DE-588)4231148-2 s Gasturbine (DE-588)4019416-4 s Diffusorströmung (DE-588)4149823-9 s Numerische Strömungssimulation (DE-588)4690080-9 s DE-604 B:DE-101 application/pdf http://d-nb.info/1165688239/04 Inhaltsverzeichnis DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=030690344&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Brouwer, Silke Research on the accuracy of flow simulation in gas turbine exhaust diffusers Diffusorströmung (DE-588)4149823-9 gnd Kombinationskraftwerk (DE-588)4231148-2 gnd Gasturbine (DE-588)4019416-4 gnd Numerische Strömungssimulation (DE-588)4690080-9 gnd
subject_GND	(DE-588)4149823-9 (DE-588)4231148-2 (DE-588)4019416-4 (DE-588)4690080-9 (DE-588)4113937-9
title	Research on the accuracy of flow simulation in gas turbine exhaust diffusers
title_auth	Research on the accuracy of flow simulation in gas turbine exhaust diffusers
title_exact_search	Research on the accuracy of flow simulation in gas turbine exhaust diffusers
title_full	Research on the accuracy of flow simulation in gas turbine exhaust diffusers Silke Brouwer
title_fullStr	Research on the accuracy of flow simulation in gas turbine exhaust diffusers Silke Brouwer
title_full_unstemmed	Research on the accuracy of flow simulation in gas turbine exhaust diffusers Silke Brouwer
title_short	Research on the accuracy of flow simulation in gas turbine exhaust diffusers
title_sort	research on the accuracy of flow simulation in gas turbine exhaust diffusers
topic	Diffusorströmung (DE-588)4149823-9 gnd Kombinationskraftwerk (DE-588)4231148-2 gnd Gasturbine (DE-588)4019416-4 gnd Numerische Strömungssimulation (DE-588)4690080-9 gnd
topic_facet	Diffusorströmung Kombinationskraftwerk Gasturbine Numerische Strömungssimulation Hochschulschrift
url	http://d-nb.info/1165688239/04 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=030690344&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
work_keys_str_mv	AT brouwersilke researchontheaccuracyofflowsimulationingasturbineexhaustdiffusers

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