Europe-Japan Symposium Electrical Technologies for the Aviation of the Future Tokyo, Japan 26 th and 27 th of March 2015 System Level Applications and Requirements Setting the Scene Johannes Stuhlberger Airbus Group CTO Technology Strategy - Global Innovation Network
The aviation industry s long-term target EADS. All rights reserved. Confidential & proprietary document Flightpath 2050 75% less CO 2 emissions a 90% less NO x emissions a 65% reduction in perceived noise a a based on a typical aircraft with 2000 technology b based on 2000 traffic Li-Air 4/21/2015 Page 2
Options for Realization CO2 reduction by non carbon fuel - electric energy > full electric flight > batteries, electric motors, power electronic, power distribution network - non carbon fuel > H2 > fuel cell, electric motors power electronic, power distribution network - CO2 reduction by drastic reduced fuel consumption enabled by disruptive configurations (new technologies) - hybrid electric > batteries, fuel cells, ICE / turbo-generator, el. motors, power electronic, power distribution network - hybrid electric enabled aerodynamic benefits > distributed propulsion / BLI - 4/21/2015 Page 3
Confidential Full Electric Flight: VoltAir: Getting a Vision Started 4/21/2015 Page 4
Full Electric Flight: VoltAir: Getting a Vision Started High Temperature Superconductivity used for Highly efficient and compact electric motors (expected to reach >30 kw/kg and more than 99,5% efficiency High efficiency and power density cables (lower than 0,1 kg/a/ km) High energy / mass ration Li-Air batteries at ~ 1000 Wh/kg 4/21/2015 Page 5
Full Electric Flight: E-Fan Highly innovative technology demonstrator of a fully electric, pilot training aircraft Designed from the outset for electrical propulsion Ducted fans: improved thrust and noise shielding Intelligent e-fadec system for overall electrical propulsion and power management Battery pack location in the wings with a quick change capability Electrically powered main wheel for taxiing and acceleration E-Fan Pilot Training aircraft 4/21/2015 Page 6 About 600 kg MTOW, 10m span 2 x 30 kw electrical engines Currently using Lithium Polymer cells for energy storage Aircraft designed around electrical concept
More Electric Flight Conventional More electric More electric + Fuel Cell Electrical wing anti-icing Power to mass ratio Fuel Cell >7 kw/kg Lifetime >50000h From 3 currencies to one for overall integrated energy management and optimization 21 April, 2015 7 Power to mass ratio Fuel Cell >6 kw/kg Lifetime >40000h
More Electric Flight Eurocopter innovation puts the focus on safety with the world's first flight of a hybrid helicopter combining an internal combustion engine and an electric motor Extreme Power to mass ratio Batteries (>100C) Electric motors >10kW/kg Emergency System to support Autorotation
Hybrid Electric Concepts Rotary Wing Hybrid solutions offer flexibility in propulsion integration configuration
Hybrid Electric Concepts Rotary Wing 21 April, 2015 10
Hybrid Electric Concepts Fixed Wing 21 April, 2015 11
Hybrid Electric Concepts Fixed Wing Approach & Landing Power comes from energy storage unit Turbine engine switched on Take-off & Climb Power comes from both turbine engine and energy storage unit Initial descent Power comes from energy storage unit Turbine engine switched off Fans windmill and fill energy storage unit Cruise Power comes from energy storage unit 4/21/2015 Page 12
EADS. All rights reserved. Confidential & proprietary document Hybrid Electric Concepts Fixed Wing Key Opportunities Lower fuel burn, emissions, noise Configuration Key Challenges Energy storage & power density Energy transmission Power electronics Certification Batt left Batt right Use of demonstrators Protection Management E.g. Diamond Dimona etc. Electric Motor provided by Siemens Power Center 80 kw Max Take-off, 13 kg MOU signed at Le Bourget 2013 to investigate Certification aspects Wankel Gen 2 Inverter Drive Gear 4/21/2015 Page 13
Hybrid Electric Concepts: Power Classes 100000 General Aviation Regional Short Range Mid Range Longe Range Helicopters 10000 Power Class [kw] 1000 100 10 1 2010 2015 2020 2025 2030 2035 High Voltage Network (Carbonano wire network) or HTS based low or medium voltage networks Incl. functional elements 4/21/2015 Page 14
It seems to be impossible until anybody does it Thank you for your attention! 4/21/2015