An extended finite element method for turbulent premixed combustion:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
München
Verl. Dr. Hut
2013
|
| Edition: | 1. Aufl. |
| Series: | Advances in computational mechanics
18 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XVI, 184 S. Ill., graph. Darst. |
| ISBN: | 9783843911092 |
Staff View
MARC
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| 245 | 1 | 0 | |a An extended finite element method for turbulent premixed combustion |c Florian Peter Christian Henke |
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Record in the Search Index
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| adam_text | IMAGE 1
CONTENTS
NOMENCLATURE VIL
1. INTRODUCTION 1
1.1. MOTIVATION 1
1.2. OBJECTIVE OF THIS WORK 3
1.3. OVERVIEW 4
2. TURBULENT PREMIXED COMBUSTION 5
2.1. CONSERVATION EQUATIONS 5
2.2. HYDRODYNAMIC THEORY 7
2.3. COMBUSTION 10
2.4. T IRBULENCE 16
2.5. TURBULENT PREMIXED COMBUSTION 17
3. MODELING APPROACHES TO TURBULENT PREMIXED COMBUSTION 21
3.1. LES OF TURBULENT PREMIXED FLAMES 21
3.2. EDDY BREAK-UP MODEL 22
3.3. ARTIFICIALLY THICKENED FLAME MODEL 23
3.4. FLAME SURFACE DENSITY MODEL 23
3.5. C-EQUATION APPROACH 24
4. FINITE ELEMENT FORMULATION OF SCALAR TRANSPORT EQUATIONS 27
4.1. THE LEVEL-SET EQUATION 27
4.2. THE G-EQUATION 34
5. EXTENDED VARIATIONAL MULTISCALE FORMULATION OF THE FLOW PROBLEM 37
5.1. A STANDARD FINITE ELEMENT FORMULATION FOR INCOMPRESSIBLE FLOW 37
5.2. AN EXTENDED FINITE ELEMENT METHOD (XFEM) FOR FLOW PROBLEMS 43
5.2.1. INTRODUCTION TO THE XFEM 43
5.2.2. JUMP ENRICHMENTS 45
5.2.3. NUMERICAL INTEGRATION IN THE XFEM 50
5.2.4. NUMERICAL EXAMPLES 62
5.3. ENFORCEMENT OF INTERFACE CONDITIONS 63
5.3.1. OVERVIEW OF DIFFERENT METHODS 63
5.3.2. NITSCHE S METHOD APPLIED TO FLOW PROBLEMS 70
5.4. A SEMI-LAGRANGEAN APPROACH TO TIME INTEGRATION 77
5.4.1. OVERVIEW 77
5.4.2. PROBLEM STATEMENT 79
5.4.3. DERIVATION OF THE SEMI-LAGRANGEAN METHOD 81
V
HTTP://D-NB.INFO/1037978455
IMAGE 2
CONTENTS
5.4.4. UPDATE OF NODAL ENRICHMENT DEGREES OF FREEDOM 83
5.4.5. THE SEMI-LAGRANGEAN ALGORITHM 85
5.5. AN EXTENDED FINITE ELEMENT FORMULATION FOR PREMIXED COMBUSTION 86
5.5.1. THE FLUID FORMULATION 86
5.5.2. NUMERICAL EXAMPLES 91
6. THE FLUID - G-EQUATLON COUPLING ALGORITHM 109
7. NUMERICAL EXAMPLES 111
7.1. DARRIEUS-LANDAUINSTABILITY ILL
7.2. FLAME-VORTEX INTERACTION 114
7.3. BUNSEN FLAME (2D) 125
7.4. BUNSEN FLAME (3D) 127
7.5. ORACLES 128
7.5.1. DESCRIPTION OF THE ORACLES BENCHMARK EXAMPLE 128 7.5.2. MODELING
TURBULENT FLOW IN A RECTANGULAR DUCT 137
7.5.3. RESULTS FOR THE NON-REACTIVE FLOW 144
7.5.4. RESULTS FOR THE REACTIVE FLOW 156
8. SUMMARY AND OUTLOOK 159
A. APPENDIX 161
A.L. DERIVATION OF WEAK FORM FOR INTERFACE PROBLEM 161
A.2. PSEUDO-ANALYTICAL SOLUTIONS FOR CIRCULAR AND SPHERICAL FLAMES 163
BIBLIOGRAPHY 165
VI
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| dewey-ones | 620 - Engineering and allied operations |
| dewey-raw | 620 |
| dewey-search | 620 |
| dewey-sort | 3620 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Energietechnik, Energiewirtschaft |
| edition | 1. Aufl. |
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| indexdate | 2024-07-10T00:42:38Z |
| institution | BVB |
| isbn | 9783843911092 |
| language | English |
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| physical | XVI, 184 S. Ill., graph. Darst. |
| publishDate | 2013 |
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| publisher | Verl. Dr. Hut |
| record_format | marc |
| series | Advances in computational mechanics |
| series2 | Advances in computational mechanics |
| spelling | Henke, Florian Verfasser aut An extended finite element method for turbulent premixed combustion Florian Peter Christian Henke 1. Aufl. München Verl. Dr. Hut 2013 XVI, 184 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Advances in computational mechanics 18 Zugl.: München, Techn. Univ., Diss., 2013 LES Strömung (DE-588)4315616-2 gnd rswk-swf Reagierende Strömung (DE-588)4137697-3 gnd rswk-swf Turbulente Verbrennung (DE-588)4186470-0 gnd rswk-swf Vormischflamme (DE-588)4188687-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Vormischflamme (DE-588)4188687-2 s Reagierende Strömung (DE-588)4137697-3 s Turbulente Verbrennung (DE-588)4186470-0 s LES Strömung (DE-588)4315616-2 s DE-604 Advances in computational mechanics 18 (DE-604)BV035993054 18 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026204690&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Henke, Florian An extended finite element method for turbulent premixed combustion Advances in computational mechanics LES Strömung (DE-588)4315616-2 gnd Reagierende Strömung (DE-588)4137697-3 gnd Turbulente Verbrennung (DE-588)4186470-0 gnd Vormischflamme (DE-588)4188687-2 gnd |
| subject_GND | (DE-588)4315616-2 (DE-588)4137697-3 (DE-588)4186470-0 (DE-588)4188687-2 (DE-588)4113937-9 |
| title | An extended finite element method for turbulent premixed combustion |
| title_auth | An extended finite element method for turbulent premixed combustion |
| title_exact_search | An extended finite element method for turbulent premixed combustion |
| title_full | An extended finite element method for turbulent premixed combustion Florian Peter Christian Henke |
| title_fullStr | An extended finite element method for turbulent premixed combustion Florian Peter Christian Henke |
| title_full_unstemmed | An extended finite element method for turbulent premixed combustion Florian Peter Christian Henke |
| title_short | An extended finite element method for turbulent premixed combustion |
| title_sort | an extended finite element method for turbulent premixed combustion |
| topic | LES Strömung (DE-588)4315616-2 gnd Reagierende Strömung (DE-588)4137697-3 gnd Turbulente Verbrennung (DE-588)4186470-0 gnd Vormischflamme (DE-588)4188687-2 gnd |
| topic_facet | LES Strömung Reagierende Strömung Turbulente Verbrennung Vormischflamme Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026204690&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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