2011spr-T12-SAE-AeroDesign-FinalReport

2011spr-T12-SAE-AeroDesign-FinalReport - EML 4905 Senior...

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EML 4905 Senior Design Project A B.S. THESIS PREPARED IN PARTIAL FULFILLMENT OF THE REQUIREMENT FOR THE DEGREE OF BACHELOR OF SCIENCE IN MECHANICAL ENGINEERING SAE Aero Design East Competition Final Report Robert Erwin Jesse Grant Timothy Rogers Advisor: Professor Andrés Tremante April 18, 2011 This B.S. Thesis is written in partial fulfillment of the requirements in EML 4905. The contents represent the opinions of the authors and not the Department of Mechanical and Materials Engineering.
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Ethics Statement and Signatures The work submitted in this project is solely prepared by a team consisting of Robert Erwin, Jesse Grant, and Timothy Rogers, and it is original. Excerpts from others’ work have been clearly identified, their work acknowledged within the text and listed in the list of references. All of the engineering drawings, computer programs, formulations, design work, prototype development and testing reported in this document are also original and prepared by the same team of students. Robert Erwin Team Leader Jesse Grant Team Member Timothy Rogers Team Member Andrés Tremante Faculty Advisor
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i Table of Contents Table of Contents . ............................................................................................................................. i List of Figures . ................................................................................................................................. iii List of Tables . ................................................................................................................................... v List of Equations . ............................................................................................................................. vi Nomenclature . ................................................................................................................................. 2 Abstract . ........................................................................................................................................... 3 Introduction . .................................................................................................................................... 4 Problem Statement . ..................................................................................................................... 4 Motivation . .................................................................................................................................. 4 Literature Survey . ......................................................................................................................... 5 Project Formulation . ...................................................................................................................... 11 Overview . ................................................................................................................................... 11 Project Objectives . ..................................................................................................................... 11 Constraints and other Considerations . ...................................................................................... 11 Rules and Regulations (SAE Aero Design East, 10) . ................................................................... 11 Design Alternatives . ....................................................................................................................... 19 Overview of Conceptual Designs Developed . ............................................................................ 19 Fuselage . ................................................................................................................................ 19 Wing(s) . .................................................................................................................................. 20 Landing Gear . ......................................................................................................................... 23 Tail Configuration . .................................................................................................................. 24 Conventional Tail T-Tail V-Tail . .................................................................................... 25 Proposed Design . ....................................................................................................................... 25 Conceptual Design . .................................................................................................................... 26 Preliminary Design . .................................................................................................................... 26 Design Alternative 1 . .................................................................................................................. 31 Design Alternative 2 . .................................................................................................................. 32 Design Alternative 3 . .................................................................................................................. 32 Proposed Design . ....................................................................................................................... 33 Project Management . .................................................................................................................... 35 Overview . ................................................................................................................................... 35
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ii Breakdown of Work into Specific Tasks . .................................................................................... 35 Organization of Work and Timeline . .......................................................................................... 36 Breakdown of Responsibilities among Team Members . ........................................................... 37 Discussion . ................................................................................................................................. 37 Engineering Design and Analysis . .................................................................................................. 37 Structural Analysis Wings . ....................................................................................................... 38 Analytical Analysis . ..................................................................................................................... 41 Structural Design . ....................................................................................................................... 44 Wings . ........................................................................................................................................ 44 Fuselage . .................................................................................................................................... 47 Materials . ................................................................................................................................... 48 Fuselage Structures . ................................................................................................................... 50 Landing Gear . ............................................................................................................................. 50 Main Gear . ................................................................................................................................. 51 Stress Analysis . ........................................................................................................................... 53 Fuselage . .................................................................................................................................... 57 Fuselage Testing and Construction . ........................................................................................... 58 Landing Gear Testing and Construction . .................................................................................... 61 Nose Gear . ................................................................................................................................. 64 Test Results and Data . .................................................................................................................... 66 Overview . ................................................................................................................................... 66 Design of Experiments - Description of experiments . ............................................................... 67 Computer Simulations . .............................................................................................................. 68 Wind Tunnel Testing . ..................................................................................................................... 76 Wind Tunnel Test Section Photos . ................................................................................................. 78 Test Procedure . .......................................................................................................................... 84 Test Incident . ............................................................................................................................. 85 Test Results and Data . ................................................................................................................ 86 Discussion . ................................................................................................................................. 87 Major Components . ....................................................................................................................... 88 Prototype Construction . ................................................................................................................ 90 Description of Prototype. ........................................................................................................... 90 Prototype Design . ...................................................................................................................... 92 Construction . .............................................................................................................................. 92 Prototype Cost Analysis . .............................................................................................................. 101
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iii Discussion . ............................................................................................................................... 101 Cost Analysis . ........................................................................................................................... 102 Assembly and Disassembly . ......................................................................................................... 108 Maintenance of the system . .................................................................................................... 112 Maiden Flight . .............................................................................................................................. 114 First Flight with Payload . .............................................................................................................. 115 Conclusion and Discussion . .......................................................................................................... 119 Second Prototype and Future Work . ....................................................................................... 120 Current Wing Studies . .............................................................................................................. 121 References . .................................................................................................................................. 127 Appendices . .................................................................................................................................. 129 Appendix A: Detailed Engineering Drawings of all Parts . ............................................................ 129 Appendix B: Scans of Detailed Hand Calculations and Drawings . ............................................... 129 Appendix C: SAE Aero Design East 2011 Competition Rules and Regulations .
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This note was uploaded on 08/07/2011 for the course EML 4905 taught by Professor Staff during the Spring '08 term at FIU.

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2011spr-T12-SAE-AeroDesign-FinalReport - EML 4905 Senior...

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