Experiments for the validation of large eddy simulations: turbulence flame interactions in extinguishing turbulent opposed jet flames
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Düsseldorf
VDI-Verl.
2008
|
| Edition: | Als Ms. gedr. |
| Series: | Fortschrittberichte VDI
Reihe 6, Energietechnik ; 577 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | X, 118 S. Ill., graph. Darst. |
| ISBN: | 9783183577064 |
Staff View
MARC
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| 245 | 1 | 0 | |a Experiments for the validation of large eddy simulations |b turbulence flame interactions in extinguishing turbulent opposed jet flames |c Benjamin Böhm |
| 250 | |a Als Ms. gedr. | ||
| 264 | 1 | |a Düsseldorf |b VDI-Verl. |c 2008 | |
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| 490 | 1 | |a Fortschrittberichte VDI : Reihe 6, Energietechnik |v 577 | |
| 502 | |a Zugl.: Darmstadt, Techn. Univ., Diss., 2008 | ||
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Record in the Search Index
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| DE-BY-FWS_katkey | 715564 |
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| _version_ | 1824553811240288256 |
| adam_text | Contents
1 Introduction 1
1.1 Energy: The Driving Force of our Society 1
1.2 Objectives and Motivation ofthis Work 2
1.3 Purpose ofthis Work 5
1.4 Outline 5
2 Theorerical Backgrounds 6
2.1 Turbulent Flows 6
2.1.1 Properties of Turbulence 6
2.1.2 Governing Equations 7
2.2 Combustion 8
2.2.1 Chemical Reaction 9
2.2.2 Combustion Modes 10
2.2.3 Characterizing Non-Premixed Flames 12
2.3 Turbulence-Chemistry Interaction 13
2.3.1 Modeling Turbulence-Chemistry Interaction 14
2.3.2 Flame Extinction 15
2.4 Simulation Methods and their Validation 17
2.4.1 Simulation Methods 17
2.4.2 LES Validation from Experiments 18
3 Opposed Jet Burner 22
3.1 Review on Opposed Jet Bumers 22
3.2 Design oftheEKT Opposed Jet Burner 25
3.3 Previous Experiments on the EKT Opposed Jet Bumer 27
3.4 Previous Simulations on the EKT Opposed Jet Bumer 30
4 Experimentell Methods 32
4.1 Laser based Measurement Techniques for Combustion 32
4.2 Selection of the required Techniques 33
4.3 Particle Image Velocimetry 36
4.3.1 Particles 37
4.3.2 Illumination 40
4.3.3 Imaging 41
4.3.4 Determination of Particle Displacement 44
4.3.5 Particle Tracking Velocimetry Approach for Reactive Flows 48
4.3.6 Post-Processing 49
4.3.7 Accuracy of Measurements and Error Estimation 52
4.3.7.1 Sourcesof Error 52
4.3.7.2 PIV-Code Validation 54
4.3.7.3 Statistical confidence levels 57
4.3.7.4 Errors caused by the Flame 58
4.4 Laser Induced Fluorescence 59
4.4.1 Excitation 61
4.4.2 Detection 62
4.4.3 Post-Processing 64
4.4.4 Perfonnance of the LDF Measurements 67
4.5 Experimental Setups 67
4.5.1 Isothennal Flow Field Measurements 68
4.5.2 Reactive Flow Field Measurements 68
5 Experimental Results 71
5.1 Isothennal Flow Field 71
5.1.1 In-Nozzle Flow 73
5.1.2 Isothennal Flow at the Stagnation Plane 83
5.1.3 Conclusions 87
5.2 Reactive Flow 87
5.2.1 Qualitative Visualization of Extinction 87
5.2.2 Influence of Combustion on the Flow Field 90
5.2.3 Conditional Flow Field Statistics 92
5.2.4 Time Correlated Conditional Flow Field Statistics during Extinction 98
5.2.5 Conclusions 105
6 Conclusions and Outlook 107
7 Bibliography 109
|
| any_adam_object | 1 |
| author | Böhm, Benjamin |
| author_facet | Böhm, Benjamin |
| author_role | aut |
| author_sort | Böhm, Benjamin |
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| dewey-full | 621.4023 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 621 - Applied physics |
| dewey-raw | 621.4023 |
| dewey-search | 621.4023 |
| dewey-sort | 3621.4023 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen Physik Energietechnik |
| edition | Als Ms. gedr. |
| format | Thesis Book |
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| genre_facet | Hochschulschrift |
| id | DE-604.BV035297548 |
| illustrated | Illustrated |
| indexdate | 2025-02-20T06:41:48Z |
| institution | BVB |
| isbn | 9783183577064 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-017102479 |
| oclc_num | 316270607 |
| open_access_boolean | |
| owner | DE-210 DE-634 DE-83 DE-862 DE-BY-FWS |
| owner_facet | DE-210 DE-634 DE-83 DE-862 DE-BY-FWS |
| physical | X, 118 S. Ill., graph. Darst. |
| publishDate | 2008 |
| publishDateSearch | 2008 |
| publishDateSort | 2008 |
| publisher | VDI-Verl. |
| record_format | marc |
| series | Fortschrittberichte VDI |
| series2 | Fortschrittberichte VDI : Reihe 6, Energietechnik |
| spellingShingle | Böhm, Benjamin Experiments for the validation of large eddy simulations turbulence flame interactions in extinguishing turbulent opposed jet flames Fortschrittberichte VDI LES Strömung (DE-588)4315616-2 gnd Laserinduzierte Fluoreszenz (DE-588)4166806-6 gnd Reagierende Strömung (DE-588)4137697-3 gnd Turbulente Verbrennung (DE-588)4186470-0 gnd Particle-Image-Velocimetry (DE-588)4333165-8 gnd Validierung (DE-588)4187357-9 gnd |
| subject_GND | (DE-588)4315616-2 (DE-588)4166806-6 (DE-588)4137697-3 (DE-588)4186470-0 (DE-588)4333165-8 (DE-588)4187357-9 (DE-588)4113937-9 |
| title | Experiments for the validation of large eddy simulations turbulence flame interactions in extinguishing turbulent opposed jet flames |
| title_auth | Experiments for the validation of large eddy simulations turbulence flame interactions in extinguishing turbulent opposed jet flames |
| title_exact_search | Experiments for the validation of large eddy simulations turbulence flame interactions in extinguishing turbulent opposed jet flames |
| title_full | Experiments for the validation of large eddy simulations turbulence flame interactions in extinguishing turbulent opposed jet flames Benjamin Böhm |
| title_fullStr | Experiments for the validation of large eddy simulations turbulence flame interactions in extinguishing turbulent opposed jet flames Benjamin Böhm |
| title_full_unstemmed | Experiments for the validation of large eddy simulations turbulence flame interactions in extinguishing turbulent opposed jet flames Benjamin Böhm |
| title_short | Experiments for the validation of large eddy simulations |
| title_sort | experiments for the validation of large eddy simulations turbulence flame interactions in extinguishing turbulent opposed jet flames |
| title_sub | turbulence flame interactions in extinguishing turbulent opposed jet flames |
| topic | LES Strömung (DE-588)4315616-2 gnd Laserinduzierte Fluoreszenz (DE-588)4166806-6 gnd Reagierende Strömung (DE-588)4137697-3 gnd Turbulente Verbrennung (DE-588)4186470-0 gnd Particle-Image-Velocimetry (DE-588)4333165-8 gnd Validierung (DE-588)4187357-9 gnd |
| topic_facet | LES Strömung Laserinduzierte Fluoreszenz Reagierende Strömung Turbulente Verbrennung Particle-Image-Velocimetry Validierung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017102479&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV001897068 |
| work_keys_str_mv | AT bohmbenjamin experimentsforthevalidationoflargeeddysimulationsturbulenceflameinteractionsinextinguishingturbulentopposedjetflames |
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THWS Schweinfurt Magazin
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2900 07227 |
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| Copy 1 | bestellbar aus dem Magazin Available Place a Hold |