Aerospace Design Project Light Business Jet Family Design

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Aerospace Design Project Light Business Jet Family Design Challenge Authors: N. BOUVIER Faculty representatives: N. ESTEVES DE SOUSA G. DIMITRIADIS G. GOFFARD L. NOELS P. LAFONTAINE A. CROVATO K. MASROUR T. DOSSOGNE B. MOCKEL B. ROULETTE May 11, 2017 1 Name First Name AIAA Membership Signature BOUVIER Nicolas 775892 ESTEVES DE SOUSA Nicolas 775894 GOFFARD Gilles 775769 LAFONTAINE Pierre 775803 MASROUR Khadija 775893 MOCKEL Brice 775891 ROULETTE Benjamin 775889 Signature of the project members CONTENTS 2 Contents 1 Introduction 5 2 Market, Mission & Design 5 2.1 Market drivers . 5 2.2 The light segment . 5 2.3 Market research and competition analysis . 6 2.4 Design Methodology . 7 2.5 Mission requirements . 8 3 Aircraft design choices 10 3.1 Fuselage . 10 3.1.1 Cabin design . 10 3.1.2 Fuselage Length . 11 3.2 The wing . 12 3.2.1 Super-critical airfoil: NACA SC(2)-0714 . 13 3.2.2 Wing geometry . 14 3.2.3 Flaps design . 15 3.2.4 Results . 18 3.3 Propulsion . 18 3.3.1 Engine selection . 18 3.3.2 Placement and installation . 20 3.3.3 6 seats engine choice . 21 3.4 Empennage . 21 3.4.1 V tail principle . 21 3.4.2 Statistically prescribed horizontal and vertical surfaces . 22 3.4.3 Design choices and geometry determination . 23 3.5 Undercarriage . 23 3.5.1 Rotation clearance angle . 24 3.5.2 Wheel track and wheel base . 24 3.5.3 Tire size . 26 3.5.4 Results . 26 3.6 Weight considerations . 27 3.6.1 Empty weight definition . 27 CONTENTS 3 3.6.2 Payload weight . 29 3.6.3 Weight of fuel . 29 3.6.4 Results . 30 3.6.5 Center of gravity . 30 3.7 Catia model . 31 4 Trade-off study 33 4.1 Aspect ratio of the wing . 34 4.2 3D lift coefficient (CL;w) ............................................. 35 4.3 Fuselage length . 36 5 Optimization 37 5.1 Stability . 37 5.1.1 Enforcing equilibrium . 38 5.1.2 Longitudinal stability . 39 5.1.3 Lateral stability . 40 5.1.4 6 seats consideration . 41 5.2 Aerodynamics . 41 5.2.1 Computation of CL;plane and CD;plane ................................... 41 5.2.2 TRANAIR ................................................. 42 5.2.3 Drag analysis . 47 5.3 Performance . 49 5.3.1 Take-off . 49 5.3.2 Climb . 52 5.3.3 Cruise . 54 5.3.4 Turning rate . 54 5.3.5 Landing . 57 5.3.6 Payload-Range Diagram . 60 5.4 Aircraft structure . 61 5.4.1 Flight envelope . 61 5.4.2 Aerodynamic loading . 64 5.4.3 Structural loading . 66 5.4.4 Materials selection . 68 5.4.5 Structure preliminary design . 69 5.4.6 FEM Analysis - Preliminary results . 75 CONTENTS 4 5.4.7 Further improvements . 76 6 Costs Analysis 77 6.1 RAND DAPCA-IV Method - Eastlake Model . 77 6.2 Effect of inflation on the costs . 78 6.3 Selling Price Definition . 78 6.4 Production rate . 79 6.5 Certification Cost . 79 6.6 Production Cost . 81 6.7 Break-even analysis . 83 6.8 Operating Costs . 84 6.9 Conclusion . 85 7 Conclusion 86 7.1 Contextualization . 86 7.2 Methods . 86 7.3 Results . ..

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