Dynamic and coupled simulation of the 700°C coal-fired power plant:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
München
Verl. Dr. Hut
2013
|
| Ausgabe: | 1. Aufl. |
| Schriftenreihe: | Forschungsschriften des Lehrstuhls für Energiesysteme
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XVIII, 172 S. Ill., graph. Darst. |
| ISBN: | 9783843913317 |
Internformat
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| 245 | 1 | 0 | |a Dynamic and coupled simulation of the 700°C coal-fired power plant |c Christian Johann Schuhbauer |
| 246 | 1 | 3 | |a Dynamic and coupled simulation of the 700 Grad C coal-fired power plant |
| 246 | 1 | 3 | |a Dynamic and coupled simulation of the 700 degrees C coal-fired power plant |
| 250 | |a 1. Aufl. | ||
| 264 | 1 | |a München |b Verl. Dr. Hut |c 2013 | |
| 300 | |a XVIII, 172 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
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| 338 | |b nc |2 rdacarrier | ||
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Datensatz im Suchindex
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|---|---|
| adam_text | CONTENTS
LIST OF FIGURES IX
LIST OF TABLES XIII
NOMENCLATURE XV
1 INTRODUCTION AND MOTIVATION 1
1.1 DEVELOPMENT OF THE ENERGY SYSTEM 1
1.2 GOALS
-2
1.3 APPROACH 3
1.4 OUTLINE OF THE DISSERTATION 4
2 FUNDAMENTALS 7
2.1 PULVERIZED COAL-FIRED BOILERS 7
2.1.1 ONCE-THROUGH STEAM GENERATION 7
2.1.2 PULVERIZED FIRING SYSTEM 9
2.2 MATERIALS FOR COAL-FIRED BOILERS 15
2.2.1 MEMBRANE WALL 16
2.2.2 SUPERHEATER AND REHEATER TUBES 19
2.2.3 THICK-WALLED COMPONENTS 22
2.3 SIMULATION OF FIRING AND STEAM GENERATION 25
2.3.1 FIRING SIMULATION 25
2.3.2 STEAM GENERATION SIMULATION 26
2.3.3 COUPLED SIMULATION 27
2.3.4 SUMMARY 28
3 LIFE
ASSESSMENT OF THICK-WALLED COMPONENTS 29
3.1 CREEP DAMAGE CALCULATION 29
3.2 FATIGUE CYCLE DAMAGE CALCULATION 30
3.3 FITTING FUNCTION FOR CREEP RUPTURE STRENGTH AND WOHLER CURVES 32
3.3.1 CREEP RUPTURE STRENGTH FITTING 32
3.3.2 WOHLER CURVE FITTING 35
V
HTTP://D-NB.INFO/1045688517
CONTENTS
4 APROS MODELING 39
4.1 NUMERICAL BASICS IN APROS 39
4.1.1 DISCRETIZATION 39
4.1.2 WALL AND HEAT EXCHANGER DISCRETIZATION 40
4.1.3 FLOW MODELS 42
4.2 PROCESS MODELING 44
4.2.1 TRANSIENT OVERALL MODEL 45
4.2.2 MULTI-STRANDED STEAMSIDE MODEL 51
4.3 CONTROL MODELING 53
4.3.1 UNIT CONTROL 53
4.3.2 PRESSURE CONTROL 59
4.3.3 TEMPERATURE CONTROL 60
4.3.4 FEEDWATER CONTROL 62
4.3.5 START-STOP CONTROL 64
5 ANSYS FLUENT MODELING 65
5.1 TURBULENT FLOW 65
5.2 COMBUSTION MODELING 66
5.2.1 SPECIES TRANSPORT EQUATION 66
5.2.2 MODELING OF COAL DUST COMBUSTION 67
5.2.3 PYROLYSIS MODEL 67
5.2.4 COMBUSTION OF RESIDUAL CHAR 68
5.2.5 VOLATILE COMBUSTION AND REACTION KINETICS MODELING 69
5.3 RADIATION MODELING 71
5.3.1 GAS RADIATION 71
5.3.2 PARTICLE RADIATION 73
5.3.3 COMBUSTION CHAMBER RADIATION INTERACTION 73
5.4 CALCULATION OF HEAT TRANSFER IN POROUS MEDIA 74
5.4.1 CONVECTIVE HEAT TRANSFER TO TUBE BUNDLES 74
5.4.2 RADIATIVE HEAT TRANSFER TO TUBE BUNDLES 76
5.4.3 HEAT EXTRACTION IN POROUS MEDIA 76
5.5 PRESSURE LOSS IN POROUS MEDIA 78
5.6 CALCULATION OF FOULING THICKNESS 78
6 COUPLING OF STEAM AND FIRESIDE 81
6.1 COUPLING MATLAB AND APROS 81
6.2 COUPLING MATLAB AND ANSYS FLUENT 82
6.3 OVERALL CONCEPT 83
VI
CONTENTS
7 RESULTS 87
7.1 TRANSIENT OVERALL MODEL 87
7.1.1 PRIMARY CONTROL 87
7.1.2 SECONDARY CONTROL 89
7.1.3 LIFE ASSESSMENT OF HEADERS CAUSED BY HOT, WARM AND COLD START-UP
95
7.2 COUPLED MULTI-STRANDED MODEL 110
7.2.1 VALIDATION ILL
7.2.2 FULL LOAD 114
7.2.3 PART LOAD 120
7.2.4 HEATING IMBALANCES 123
7.2.5 FOULING 129
7.2.6 MILL MALFUNCTION 134
8 CONCLUSION AND RECOMMENDATIONS 137
8.1 CONCLUSION 137
8.1.1 MODELING THE 700 C OVERALL POWER PLANT MODEL 137
8.1.2 CREATING A MULTI-STRANDED BOILER MODEL 138
8.2 RECOMMENDATIONS FOR FUTURE WORK 140
BIBLIOGRAPHY 143
A EFFICIENCY FOR ABSORPTION AND BACKSCATTERING OF PARTICLE RADIATION 153
A.L EFFICIENCY FOR ABSORPTION 153
A.2 EFFICIENCY FOR BACKSCATTERING 153
B BOILER FEATURES 155
B.L HEAT EXCHANGER BUNDLES 155
B.2 BURNER FEATURES 156
C PHYSICAL PROPERTIES 159
C.L COAL PARTICLES 159
C.2 SPECIES 159
C.3 FLUID MIXTURE 162
D PRIMARY CONTROL: FURTHER RESULTS 163
E HEATING IMBALANCES: FURTHER RESULTS 167
F FOULING: FURTHER RESULTS 171
VII
|
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| author | Schuhbauer, Christian Johann |
| author_GND | (DE-588)104712890X |
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| author_variant | c j s cj cjs |
| building | Verbundindex |
| bvnumber | BV041627488 |
| classification_tum | ERG 615d |
| ctrlnum | (OCoLC)873441184 (DE-599)BVBBV041627488 |
| discipline | Energietechnik, Energiewirtschaft |
| edition | 1. Aufl. |
| format | Thesis Book |
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| isbn | 9783843913317 |
| language | English |
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| spelling | Schuhbauer, Christian Johann Verfasser (DE-588)104712890X aut Dynamic and coupled simulation of the 700°C coal-fired power plant Christian Johann Schuhbauer Dynamic and coupled simulation of the 700 Grad C coal-fired power plant Dynamic and coupled simulation of the 700 degrees C coal-fired power plant 1. Aufl. München Verl. Dr. Hut 2013 XVIII, 172 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Forschungsschriften des Lehrstuhls für Energiesysteme Zugl.: München, Techn. Univ., Diss., 2013 Betriebsverhalten (DE-588)4138142-7 gnd rswk-swf Kraftwerkseinsatz (DE-588)4165465-1 gnd rswk-swf Schadensanalyse (DE-588)4130826-8 gnd rswk-swf Steinkohlekraftwerk (DE-588)4132669-6 gnd rswk-swf Dampfkraftwerk (DE-588)4010988-4 gnd rswk-swf Computersimulation (DE-588)4148259-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Dampfkraftwerk (DE-588)4010988-4 s Steinkohlekraftwerk (DE-588)4132669-6 s Kraftwerkseinsatz (DE-588)4165465-1 s Betriebsverhalten (DE-588)4138142-7 s Schadensanalyse (DE-588)4130826-8 s Computersimulation (DE-588)4148259-1 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027068463&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Schuhbauer, Christian Johann Dynamic and coupled simulation of the 700°C coal-fired power plant Betriebsverhalten (DE-588)4138142-7 gnd Kraftwerkseinsatz (DE-588)4165465-1 gnd Schadensanalyse (DE-588)4130826-8 gnd Steinkohlekraftwerk (DE-588)4132669-6 gnd Dampfkraftwerk (DE-588)4010988-4 gnd Computersimulation (DE-588)4148259-1 gnd |
| subject_GND | (DE-588)4138142-7 (DE-588)4165465-1 (DE-588)4130826-8 (DE-588)4132669-6 (DE-588)4010988-4 (DE-588)4148259-1 (DE-588)4113937-9 |
| title | Dynamic and coupled simulation of the 700°C coal-fired power plant |
| title_alt | Dynamic and coupled simulation of the 700 Grad C coal-fired power plant Dynamic and coupled simulation of the 700 degrees C coal-fired power plant |
| title_auth | Dynamic and coupled simulation of the 700°C coal-fired power plant |
| title_exact_search | Dynamic and coupled simulation of the 700°C coal-fired power plant |
| title_full | Dynamic and coupled simulation of the 700°C coal-fired power plant Christian Johann Schuhbauer |
| title_fullStr | Dynamic and coupled simulation of the 700°C coal-fired power plant Christian Johann Schuhbauer |
| title_full_unstemmed | Dynamic and coupled simulation of the 700°C coal-fired power plant Christian Johann Schuhbauer |
| title_short | Dynamic and coupled simulation of the 700°C coal-fired power plant |
| title_sort | dynamic and coupled simulation of the 700°c coal fired power plant |
| topic | Betriebsverhalten (DE-588)4138142-7 gnd Kraftwerkseinsatz (DE-588)4165465-1 gnd Schadensanalyse (DE-588)4130826-8 gnd Steinkohlekraftwerk (DE-588)4132669-6 gnd Dampfkraftwerk (DE-588)4010988-4 gnd Computersimulation (DE-588)4148259-1 gnd |
| topic_facet | Betriebsverhalten Kraftwerkseinsatz Schadensanalyse Steinkohlekraftwerk Dampfkraftwerk Computersimulation Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027068463&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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