Conceptual design of unmanned aircraft with fuel cell propulsion system:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
München
Verl. Dr. Hut
2012
|
| Edition: | 1. Aufl. |
| Series: | Luftfahrt
|
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XVI, 132 S. Ill., graph. Darst. |
| ISBN: | 9783843904063 |
Staff View
MARC
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Record in the Search Index
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| adam_text | IMAGE 1
CONCEPTUAL DESIGN OF UNMANNED AIRCRAFT WITH FUEL CELL PROPULSION SYSTEM
CONTENTS
ACKNOWLEDGEMENTS I
ABSTRACT III
CONTENTS V
LIST OF ABBREVIATIONS VIII
LIST OF FIGURES X
LIST OF TABLES XIII
LIST OF SYMBOLS XIV
1 INTRODUCTION 1
1.1 MOTIVATION 1
1.2 HISTORY OF FUEL CELL POWERED FLIGHT 3
1.3 STATE OF THE ART 5
1.3.1 GEORGIA INSTITUTE OF TECHNOLOGY 6
1.3.2 CALIFORNIA STATE UNIVERSITY LOS ANGELES 10
1.3.3 COLORADO STATE UNIVERSITY FORT COLLINS 11
1.3.4 AIR FORCE INSTITUTE OF TECHNOLOGY OHIO 12
1.4 THESIS OBJECTIVES AND BOUNDARY CONDITIONS 12
1.4.1 OBJECTIVES 12
1.4.2 BOUNDARY CONDITIONS 14
1.5 STRUCTURE OF THIS WORK 14
2 KEY ELEMENTS 17
2.1 REQUIREMENTS 17
2.1.1 MISSION 17
2.1.2 PAYLOAD 18
2.1.3 HANDLING CHARACTERISTICS 18
2.1.4 LOAD CASES 19
2.1.5 POWER REQUIREMENTS 20
2.1.6 OTHER CONSTRAINTS 20
2.1.7 REQUIREMENTS SUMMARY 20
V
HTTP://D-NB.INFO/1022045040
IMAGE 2
CONCEPTUAL DESIGN OF UNMANNED AIRCRAFT WITH FUEL CELL PROPULSION SYSTEM
2.2 FUEL CELL PROPULSION SYSTEM COMPONENTS 22
2.2.1 OVERVIEW 22
2.2.2 MOTOR 23
2.2.3 ELECTRONIC SPEED CONTROLLER 25
2.2.4 FUEL CELL 27
2.2.4.1 FUEL CELL ARCHITECTURE 28
2.2.4.2 TYPES OF FUEL CELLS 29
2.2.4.3 THE PROTON EXCHANGE MEMBRANE FUEL CELL 32
2.2.5 TANK 34
2.2.6 BATTERIES 38
3 CONCEPTUAL DESIGN METHODOLOGY 41
3.1 OVERVIEW 41
3.2 ITERATION PROCESS 42
3.3 AERODYNAMICS 44
3.3.1 AERODYNAMICS MODULE REQUIREMENTS 44
3.3.2 METHOD SELECTION 44
3.3.3 PAW AT - AERODYNAMICS MODEL 46
3.3.4 AIRFOIL DATA 47
3.4 MASS PREDICTION 48
3.4.1 WINGS 48
3.4.1.1 CONSTRUCTION METHOD 48
3.4.1.2 SIZING AND MASS CALCULATION 50
3.4.2 FUSELAGE 52
3.4.2.1 STRUCTURAL CONCEPT 52
3.4.2.2 MASS CALCULATION 53
3.5 PROPULSION SYSTEM 54
3.5.1 MOTOR 56
3.5.2 ELECTRONIC SPEED CONTROLLER 60
3.5.3 GEARBOX 64
3.5.4 PROPELLER 64
VI
IMAGE 3
CONCEPTUAL DESIGN OF UNMANNED AIRCRAFT WITH FUEL CELL PROPULSION SYSTEM
3.5.5 FUEL CELL 66
3.5.6 TANK 72
3.5.7 BATTERIES 74
3.5.7.1 FUEL CELL-BATTERY HYBRID AIRCRAFT 74
3.5.7.2 BATTERY POWERED AIRCRAFT 75
3.6 ACTUATORS 76
3.7 SIZING 77
3.7.1 EMPENNAGE 77
3.7.2 COMPONENT ARRANGEMENT AND FUSELAGE LOFT 80
4 CONCEPTUAL DESIGN AND OPTIMIZATION TOOL 83
4.1 OPTIMIZATION 83
4.2 IMPLEMENTATION 85
4.3 CONFIGURATION CONCEPTS 87
5 VALIDATION BASED ON THE FLYING AUTONOMOUS TESTBED IMPULLS 91
5.1 REQUIREMENTS 92
5.2 CALCULATION SETTINGS 93
5.3 BATTERY POWERED IMPULLS TRADE-OFFS 94
5.3.1 CONFIGURATION COMPARISON 94
5.3.2 MASS BREAKDOWN 97
6 FUEL CELL POWERED FLYING AUTONOMOUS TESTBED 99
6.1 CONFIGURATION COMPARISON 99
6.2 MASS BREAKDOWN 101
6.3 PROPULSION SYSTEM EFFICIENCIES 102
6.4 PARAMETER VARIATION 105
6.5 SENSITIVITY ANALYSIS 109
7 CONCLUSION 113
7.1 MAIN ACHIEVEMENTS 113
7.2 OUTLOOK 115
REFERENCES 117
APPENDIX 127
VII
|
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| dewey-full | 623.7469 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 623 - Military and nautical engineering |
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| dewey-search | 623.7469 |
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| discipline | Militärwissenschaft Verkehrstechnik |
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| isbn | 9783843904063 |
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| series2 | Luftfahrt |
| spelling | Rößler, Christian Verfasser aut Conceptual design of unmanned aircraft with fuel cell propulsion system Christian Ottmar Rößler 1. Aufl. München Verl. Dr. Hut 2012 XVI, 132 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Luftfahrt Zugl.: München, Techn. Univ., Diss., 2012 Luftfahrzeugantrieb (DE-588)4168247-6 gnd rswk-swf Brennstoffzelle (DE-588)4008195-3 gnd rswk-swf Flugkörper (DE-588)4154756-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Flugkörper (DE-588)4154756-1 s Brennstoffzelle (DE-588)4008195-3 s Luftfahrzeugantrieb (DE-588)4168247-6 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025002765&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Rößler, Christian Conceptual design of unmanned aircraft with fuel cell propulsion system Luftfahrzeugantrieb (DE-588)4168247-6 gnd Brennstoffzelle (DE-588)4008195-3 gnd Flugkörper (DE-588)4154756-1 gnd |
| subject_GND | (DE-588)4168247-6 (DE-588)4008195-3 (DE-588)4154756-1 (DE-588)4113937-9 |
| title | Conceptual design of unmanned aircraft with fuel cell propulsion system |
| title_auth | Conceptual design of unmanned aircraft with fuel cell propulsion system |
| title_exact_search | Conceptual design of unmanned aircraft with fuel cell propulsion system |
| title_full | Conceptual design of unmanned aircraft with fuel cell propulsion system Christian Ottmar Rößler |
| title_fullStr | Conceptual design of unmanned aircraft with fuel cell propulsion system Christian Ottmar Rößler |
| title_full_unstemmed | Conceptual design of unmanned aircraft with fuel cell propulsion system Christian Ottmar Rößler |
| title_short | Conceptual design of unmanned aircraft with fuel cell propulsion system |
| title_sort | conceptual design of unmanned aircraft with fuel cell propulsion system |
| topic | Luftfahrzeugantrieb (DE-588)4168247-6 gnd Brennstoffzelle (DE-588)4008195-3 gnd Flugkörper (DE-588)4154756-1 gnd |
| topic_facet | Luftfahrzeugantrieb Brennstoffzelle Flugkörper Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025002765&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT roßlerchristian conceptualdesignofunmannedaircraftwithfuelcellpropulsionsystem |