Zero eze
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This document discusses the design of the Zero EZE, a small hybrid-electric aircraft intended to have zero emissions. It will use a proton exchange membrane fuel cell, powered by hydrogen, along with a piston engine. The design aims to achieve a cruise speed of 308 km/h and range of 760km on a single tank. While fuel cell aircraft have not been widely used before due to cost and technical challenges, the document argues this design could help create an economy less dependent on oil and prosper without emissions by providing affordable, clean air transportation.
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Zero eze
- 1. 1Challenge the future Zero EZE The sustainable future of general aviation
- 3. 3Challenge the future Type Energy / Weight (Wh/kg) Energy Density (MJ/kg) Energy/ Size (Wh/L) Power/ weight (W/kg) Recharge Efficiency (%) Ni Cd 60 0.2 150 150 80 Lead Acid 40 0.14 75 180 40 Ni Metal Hyd 80 0.28 300 1000 80 Lithium-ion 160 0.58 360 350 90 Lithium-Sulphur 600 2 350 − 80 Kerosene 12000 43 9000 No Limit − Hydrogen 33000 120 2500 No Limit −
- 4. 4Challenge the future Zero EZE Assignment Hybrid propelled Based on the Long EZ Due in 2020
- 5. 5Challenge the future Zero EZE Design trade-off Batteries + Piston engine Fuel cell + Piston engine Typical hybrid system Lower emissions Lower emissions Better than batteries Fuel cell + Piston engine Zero emissions
- 6. 6Challenge the future Zero EZE 2 H2 + O2 2 H2O Proton Exchange Membrane Fuel Cell
- 7. 7Challenge the future Zero EZE PEM Fuel Cell Safety Electrolyte: a polymer electrolyte in the form of a thin, permeable sheet. Efficiency: is about 40 to 50% Operating temperature: about 80 degrees C (about 175 degrees F). Cell outputs: range from 50 to 250 kW. The solid, flexible electrolyte will not leak or crack, and these cells operate at a low enough temperature to make them suitable for homes and cars. But their fuels must be purified, and a platinum catalyst is used on both sides of the membrane, raising costs
- 8. 8Challenge the future Zero EZE Design trade-off Why has this not been used before?
- 9. 9Challenge the future Zero EZE PEM Fuel Cell Cost
- 10. 10Challenge the future Zero EZE Internal Layout Propulsion
- 11. 11Challenge the future Zero EZE Hydrogen Storage Tanks
- 12. 12Challenge the future Zero EZE Internal Layout
- 13. 13Challenge the future Zero EZE • Fuel Cell System • Cockpit • Landing Gear • Ballistic Chute • Luggage Internal Layout
- 14. 14Challenge the future Zero EZE External Layout Aerodynamics Structures
- 15. 15Challenge the future Zero EZE How to make it fly?
- 16. 16Challenge the future Zero EZE Fuselage • Low-drag body Main Wing • Natural Laminar Flow airfoil • Sweep angle • Aspect ratio Aerodynamics
- 17. 17Challenge the future Zero EZE Canard • Vertical position Winglets • Blended winglets • Vertical tail function Stability • Stable Eigenmotions Aerodynamics
- 18. 18Challenge the future Zero EZE Aerodynamics Efficiency Noise Far Field 61 dB 84.9 %88.6 % Propeller & Shroud
- 19. 19Challenge the future Zero EZE Structures Wing • Sandwich structure • Carbon Fiber Reinforced Polymer Fuselage • Advanced Grid Stiffened Structure • Carbon Fiber Reinforced Polymer • Filament winding
- 20. 20Challenge the future Zero EZE Structures Finite Element analysis in Patran/Nastran Fuselage Wing
- 21. 21Challenge the future Zero EZE Conclusion Performance Range Cost
- 22. 22Challenge the future Zero EZE Performance Cruise speed 308 km/h Maximum speed 370 km/h Take-off distance 490 m
- 23. 23Challenge the future Zero EZE Range 760km Optimum range 1320km Max range
- 24. 24Challenge the future Zero EZE • 100 aircraft/year Cost Estimation and Breakdown Cost allocation Cost Research, Development, Test and Evaluation € 20,000 Production € 410,000 Profit € 40,000 Total Purchase Price € 470,000
- 25. 25Challenge the future Zero EZE With cruise speed of 308 km/h, a range of 760 km can be achieved, meanwhile producing zero emissions. Conclusion But wait, there is more! DublinMonacoMilan Rotterdam Fuel costs € 45 ,-
- 26. 26Challenge the future Zero EZE Historical note
- 27. 27Challenge the future Zero EZE Another problem
- 28. 28Challenge the future Zero EZE Prospering economy Economy that is not dependent on oilHow does this relate to this project?
- 29. 29Challenge the future Zero EZE