Flame Flashback in Premixed Hydrogen-Air Combustion Systems:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
München
Dr. Hut
2015
|
| Edition: | 1. Aufl. |
| Series: | Energietechnik
|
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XIX, 182 S. Ill., graph. Darst. 210 mm x 148 mm, 273 g |
| ISBN: | 9783843920759 3843920753 |
Staff View
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| 100 | 1 | |a Baumgartner, Georg |e Verfasser |0 (DE-588)1071093916 |4 aut | |
| 245 | 1 | 0 | |a Flame Flashback in Premixed Hydrogen-Air Combustion Systems |c Georg Martin Baumgartner |
| 250 | |a 1. Aufl. | ||
| 264 | 1 | |a München |b Dr. Hut |c 2015 | |
| 300 | |a XIX, 182 S. |b Ill., graph. Darst. |c 210 mm x 148 mm, 273 g | ||
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Record in the Search Index
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| adam_text | CONTENTS
1 INTRODUCTION 1
1.1 CURRENT KNOWLEDGE 2
1.1.1 BOUNDARY LAYER FLASHBACK OF UNCONFINED FLAMES 3
1.1.2 RECENT FINDINGS ON BOUNDARY LAYER FLASHBACK OF CON
FINED FLAMES 8
1.2 SCOPE OF THE PROJECT AND STRUCTURE OF THE THESIS 10
2 BASICS OF ISOTHERMAL AND
REACTIVE FLOWS 13
2.1 FLUID FLOW 13
2.1.1 BOUNDARY LAYER FLOW 17
2.1.2 BOUNDARY LAYER SEPARATION 21
2.1.3 SWIRL FLOWS 25
2.2 PREMIXED COMBUSTION 27
2.2.1 LAMINAR FLAME CHARACTERISTICS 27
2.2.2 TURBULENCE-FLAME INTERACTION 29
2.2.3 NEAR-WALL FLAME QUENCHING 31
2.2.4 FLAME BACKPRESSURE 32
3 EXPERIMENTAL SETUP
AND MEASUREMENT
TECHNIQUES 33
3.1 TUBE BURNER SETUPS 33
3.1.1 TUM BURNER 33
3.1.2 BACATEC BURNER 36
3.2 CHANNEL BURNER SETUP 37
3.3 EXPERIMENTAL PROCEDURE 40
3.3.1 TUBE BURNERS 41
3.3.2 CHANNEL BURNER 42
3.4 MEASUREMENT TECHNIQUES 42
3.4.1 CHEMILUMINESCENCE 43
3.4.2 MIE SCATTERING 45
XI
HTTP://D-NB.INFO/1069685100
CONTENTS
3.4.3 PARTICLE IMAGE VELOCIMETRY (PIV) 46
3.4.3.1 BASIC PRINICIPLE 46
3.4.3.2 SIMULTANEOUS PIV AND CHEMILUMINESCENCE ... 47
3.4.4 PLANAR LASER-INDUCED FLUORESCENCE (PLIF) 50
3.4.4.1 BASIC PRINCIPLE 50
3.4.4.2 SIMULTANEOUS PLIF AND CHEMILUMINESCENCE . . 53
4 ISOTHERMAL FLOW
FIELDS 55
4.1 TUBE BURNER 55
4.2 CHANNEL BURNER 59
5 MACROSCOPIC FLASHBACK
STUDIES - VARIOUS BURNER
CONFIGURATIONS 61
5.1 GENERAL CONSIDERATIONS AND TERMINOLOGY 61
5.2 EFFECT OF FLAME ENCLOSURE ON FLASHBACK PROPENSITY 64
5.2.1 CONFINED FLAME HOLDING 64
5.2.2 OPEN FLAME HOLDING 66
5.2.3 INFLUENCE OF ENCLOSURE SIZE 67
5.3 INFLUENCE OF BURNER MATERIAL ON FLASHBACK BEHAVIOR 69
5.3.1 FLASHBACK LIMITS 71
5.3.2 THEORETICAL HEAT TRANSFER ANALYSIS 73
5.4 SUMMARY OF THE FINDINGS FOR DIFFERENT BURNER TYPES AND PRELIM
INARY CONCLUSIONS 74
6 MACROSCOPIC FLASHBACK
STUDIES - VARIATION
OF OPERATING
CONDITIONS 77
6.1 FLASHBACK LIMITS FOR PREHEATED MIXTURES 77
6.2 INFLUENCE OF SWIRL
ON FLASHBACK 81
6.2.1 EXPERIMENTAL APPROACH AND ISOTHERMAL FLOW FIELD .... 83
6.2.1.1 TUBE BURNER SETUP 83
6.2.1.2 ISOTHERMAL FLOW FIELD 83
6.2.2 MEASUREMENT APPROACH 87
6.2.2.1 HIGH-SPEED MIE SCATTERING 87
6.2.2.2 SIMULTANEOUS HIGH-SPEED OH*-PHOTOGRAPHY
FROM TWO PERSPECTIVES 88
6.2.3 RESULTS AND DISCUSSION 89
6.2.3.1 FLASHBACK LIMITS 89
6.2.3.2 FLAME PROPAGATION 91
6.2.4 SUMMARY AND CONCLUSIONS 94
6.3 INFLUENCE OF BOUNDARY LAYER INJECTION ON FLASHBACK BEHAVIOR . 98
XII
CONTENTS
6.3.1 EXPERIMENTAL APPROACH AND ISOTHERMAL FLOW FIELD .... 99
6.3.1.1 DESIGN OF THE BOUNDARY LAYER INJECTION DEVICES 99
6.3.1.2 ISOTHERMAL FLOW FIELD IN THE BURNER TUBE .... 101
6.3.1.3 EXPERIMENTAL PROCEDURE AND FLAME HOLDING.. . 103
6.3.2 RESULTS AND DISCUSSION 104
6.3.2.1 BOUNDARY LAYER INJECTION: A= 113
MM 105
6.3.2.2 BOUNDARY LAYER INJECTION: A=213MM AND
A=313MM 113
6.3.3 SUMMARY AND CONCLUSIONS 114
7 MICROSCOPIC INVESTIGATION
OF THE
ONSET OF FLASHBACK 121
7.1 VELOCITY FIELD FOR
ISOTHERMAL FLOW AND STABLE COMBUSTION .... 122
7.2 VELOCITY FIELD DURING FLAME FLASHBACK 124
8 THEORETICAL ANALYSIS
OF THE
FLASHBACK PROCESS 133
8.1 THEORETICAL ANALYSIS OF CONFINED FLAME FLASHBACK 133
8.1.1 QUALITATIVE ANALYSIS 133
8.1.2 QUANTITATIVE ANALYSIS 136
8.2 THEORETICAL ANALYSIS OF UNCONFINED FLAME FLASHBACK 141
8.2.1 TRANSITION FROM STABLE UNCONFINED FLAME TO FLASHBACK . 141
8.2.2 IMPROVED FLASHBACK MODEL FOR UNCONFINED FLAMES .... 142
8.2.3 IMPLICATIONS OF THE
IMPROVED MODEL FOR THE FLASHBACK BE
HAVIOR OF UNCONFINED FLAMES 150
9 SUMMARY AND
CONCLUSIONS 153
A ISOTHERMAL FLOW
FIELD IN THE PLENUM
OF THE
TUM BURNER 157
B LONG-DISTANCE MICROSCOPES 159
B.1 MICRO-PIV MEASUREMENTS 159
B.2 MICRO-PLIF MEASUREMENTS 159
BIBLIOGRAPHY 171
XIII
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| any_adam_object | 1 |
| author | Baumgartner, Georg |
| author_GND | (DE-588)1071093916 |
| author_facet | Baumgartner, Georg |
| author_role | aut |
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| dewey-full | 620 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| 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 Maschinenbau / Maschinenwesen Physik Chemie-Ingenieurwesen |
| edition | 1. Aufl. |
| format | Thesis Book |
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| id | DE-604.BV042541780 |
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| indexdate | 2024-07-10T01:24:30Z |
| institution | BVB |
| isbn | 9783843920759 3843920753 |
| language | English |
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| physical | XIX, 182 S. Ill., graph. Darst. 210 mm x 148 mm, 273 g |
| publishDate | 2015 |
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| publisher | Dr. Hut |
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| series2 | Energietechnik |
| spelling | Baumgartner, Georg Verfasser (DE-588)1071093916 aut Flame Flashback in Premixed Hydrogen-Air Combustion Systems Georg Martin Baumgartner 1. Aufl. München Dr. Hut 2015 XIX, 182 S. Ill., graph. Darst. 210 mm x 148 mm, 273 g txt rdacontent n rdamedia nc rdacarrier Energietechnik Zugl.: München, Techn. Univ., Diss., 2014 Wasserstoff (DE-588)4064784-5 gnd rswk-swf Turbulente Verbrennung (DE-588)4186470-0 gnd rswk-swf Gas-Luft-Gemisch (DE-588)4138423-4 gnd rswk-swf Vormischflamme (DE-588)4188687-2 gnd rswk-swf Flammenrückschlag (DE-588)4754282-2 gnd rswk-swf Flame Flashback Premixed Hydrogen-Air Combustion Systems (DE-588)4113937-9 Hochschulschrift gnd-content Flammenrückschlag (DE-588)4754282-2 s Vormischflamme (DE-588)4188687-2 s Turbulente Verbrennung (DE-588)4186470-0 s Wasserstoff (DE-588)4064784-5 s Gas-Luft-Gemisch (DE-588)4138423-4 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027975819&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Baumgartner, Georg Flame Flashback in Premixed Hydrogen-Air Combustion Systems Wasserstoff (DE-588)4064784-5 gnd Turbulente Verbrennung (DE-588)4186470-0 gnd Gas-Luft-Gemisch (DE-588)4138423-4 gnd Vormischflamme (DE-588)4188687-2 gnd Flammenrückschlag (DE-588)4754282-2 gnd |
| subject_GND | (DE-588)4064784-5 (DE-588)4186470-0 (DE-588)4138423-4 (DE-588)4188687-2 (DE-588)4754282-2 (DE-588)4113937-9 |
| title | Flame Flashback in Premixed Hydrogen-Air Combustion Systems |
| title_auth | Flame Flashback in Premixed Hydrogen-Air Combustion Systems |
| title_exact_search | Flame Flashback in Premixed Hydrogen-Air Combustion Systems |
| title_full | Flame Flashback in Premixed Hydrogen-Air Combustion Systems Georg Martin Baumgartner |
| title_fullStr | Flame Flashback in Premixed Hydrogen-Air Combustion Systems Georg Martin Baumgartner |
| title_full_unstemmed | Flame Flashback in Premixed Hydrogen-Air Combustion Systems Georg Martin Baumgartner |
| title_short | Flame Flashback in Premixed Hydrogen-Air Combustion Systems |
| title_sort | flame flashback in premixed hydrogen air combustion systems |
| topic | Wasserstoff (DE-588)4064784-5 gnd Turbulente Verbrennung (DE-588)4186470-0 gnd Gas-Luft-Gemisch (DE-588)4138423-4 gnd Vormischflamme (DE-588)4188687-2 gnd Flammenrückschlag (DE-588)4754282-2 gnd |
| topic_facet | Wasserstoff Turbulente Verbrennung Gas-Luft-Gemisch Vormischflamme Flammenrückschlag Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027975819&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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