5. August 2020
Memorandum of Understanding signing

DLR and MTU Aero En­gines study fu­el cell propul­sion sys­tem for avi­a­tion

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Aeronautics
 Close partnership between research and industry
Close part­ner­ship be­tween re­search and in­dus­try
Image 1/3, Credit: © DLR. All rights reserved

Close partnership between research and industry

MTU Aero En­gines and DLR will work close­ly to­geth­er in the com­ing years to ad­vance the de­vel­op­ment of elec­tric and hy­brid-elec­tric propul­sion sys­tems in avi­a­tion. In this pic­ture (from left to right): Barn­a­by Law, Chief En­gi­neer Fly­ing Fu­el Cell at MTU, Lars Wag­n­er, MTU Chief Op­er­at­ing Of­fi­cer, Rolf Henke, DLR Mem­ber of the Ex­ec­u­tive Board for Aero­nau­tics Re­search and Tech­nol­o­gy, Burkard Wig­ger, Head of DLR Flight Ex­per­i­ments.
Electric Flight Demonstrator (artist's impression)
Elec­tric Flight Demon­stra­tor (artist's im­pres­sion)
Image 2/3, Credit: DLR/Hendrik Weber, www.wda.de

Electric Flight Demonstrator (artist's impression)

Elec­tric flight opens up com­plete­ly new pos­si­bil­i­ties for dras­ti­cal­ly re­duc­ing pol­lu­tant emis­sions from air­craft and sig­nif­i­cant­ly re­duc­ing noise pol­lu­tion. In ad­di­tion, elec­tric propul­sion sys­tems en­able com­plete­ly new air­craft con­fig­u­ra­tions, which should fur­ther re­duce fu­el con­sump­tion and thus emis­sions. To this end, DLR is con­duct­ing re­search in­to hy­brid-elec­tric air­craft, which could rep­re­sent an im­por­tant build­ing block in the air trans­port of the fu­ture. A Dornier 228 air­craft serves as a flight demon­stra­tor.
DLR and MTU Aero Engines sign Memorandum of Understanding
DLR and MTU Aero En­gines sign Mem­o­ran­dum of Un­der­stand­ing
Image 3/3, Credit: © DLR. All rights reserved

DLR and MTU Aero Engines sign Memorandum of Understanding

On 5 Au­gust 2020, DLR and MTU Aero En­gines signed a Mem­o­ran­dum of Un­der­stand­ing to de­vel­op a fu­el cell propul­sion sys­tem. A Dornier 228 air­craft will serve as the flight demon­stra­tor. To­geth­er with its in­dus­tri­al part­ner MTU, DLR in­tends to equip the demon­stra­tor with a hy­dro­gen-pow­ered fu­el cell and a sin­gle-blade elec­tric pro­peller en­gine in the com­ing years and con­duct flight tests. In this pic­ture (from left to right): Barn­a­by Law, Chief En­gi­neer Fly­ing Fu­el Cell at MTU, Lars Wag­n­er, MTU Chief Op­er­at­ing Of­fi­cer, Rolf Henke, DLR Mem­ber of the Ex­ec­u­tive Board for Aero­nau­tics Re­search, Burkard Wig­ger, Head of Flight Ex­per­i­ments Fa­cil­i­ty at DLR.
  • Focus: Aeronautics, electric flight

Emission-free flight is a central goal of civil aviation. Emission-free air transport could be achieved in the long term by converting hydrogen into electricity. This would enable the environment-friendly electrification of propulsion systems. The German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) and MTU Aero Engines are focusing on a fuel cell propulsion system, which they will jointly develop and validate. A Do228 will be used as the flight demonstrator. On 5 August 2020, the partners signed a Memorandum of Understanding (MoU) at the DLR site in Oberpfaffenhofen.

The MoU was signed by Rolf Henke, DLR Executive Board Member for Aeronautics Research and Technology, and Lars Wagner, Chief Operating Officer at MTU Aero Engines. “Although great progress in the performance and lifespan of fuel cells has been made in recent years, there is still a considerable need for research into their use in aviation,” said Henke. “This planned joint research-industry project is the first of many steps towards emission-free aviation.” Lars Wagner adds: “As things stand today, fuel cells utilising sustainably produced hydrogen offer the greatest long-term potential for realising emissions-free aviation. We believe that they could offer sufficient performance and range for regional, short- and medium-haul aircraft.”

In order to develop and validate such technology, the partners plan to equip a Dornier 228 aircraft with a hydrogen-powered fuel cell and an electrical, single-sided propeller engine with over 500 kW shaft output, and flight test it over the coming years. Apart from water, fuel cells have no emissions and are highly efficient. The aim of the joint technology project is to develop a complete drive train suitable for aviation (power line) and its cooling (cooling line). The electrification of the powertrain is a core technology that serves to prepare a flying fuel-cell-based propulsion system. The partners are aiming for the maiden flight of the Do228 demonstrator to take place in 2026.

DLR is managing the flight project and providing and operating the research aircraft. It is also responsible for the integration and certification of the powertrain. The research institute will also offer its expertise in the fields of flight testing and aircraft aerodynamics and aeroelasticity. In its role as a partner to industry in the joint project, DLR is therefore contributing its overall system expertise. MTU is tasked with the development of the complete powertrain powered by a hydrogen fuel cell. All work and integration processes will be carried out jointly and in close coordination. Up to 80 experts will be involved.

“The flying test platform will provide important insights that we can use for the further development of electric and hybrid-electric powertrain systems and reduce the ecological footprint of aviation to zero," said Henke. On behalf of MTU, Wagner added: “The development of an airworthy fuel cell and the experience and data acquired as a result, including in the fields of aviation regulation and certification, will prove vitally important to ongoing product development.”

About MTU Aero Engines

MTU Aero Engines AG is Germany’s leading engine manufacturer. The company is a technological leader in low-pressure turbines, high-pressure compressors, turbine centre frames as well as manufacturing processes and repair techniques. In the commercial OEM business, the company plays a key role in the development, manufacturing and marketing of high-tech components together with international partners. Some 30 percent of today’s active aircraft in service worldwide have MTU components on board. In the commercial maintenance, repair and overhaul (MRO) sector the company ranks among the top 3 service providers for commercial aircraft engines and industrial gas turbines. The activities are combined under the roof of MTU Maintenance. In the military arena, MTU Aero Engines is Germany’s industrial lead company for practically all engines operated by the country’s military. MTU operates a network of locations around the globe; Munich is home to its corporate headquarters. In fiscal 2019, the company had a workforce of some 10,000 employees and posted consolidated sales of over 4.6 billion euro.

Contact
  • Bernadette Jung
    Com­mu­ni­ca­tions Ober­paf­fen­hofen, Weil­heim, Augs­burg
    Ger­man Aerospace Cen­ter (DLR)

    Pub­lic Af­fairs and Com­mu­ni­ca­tions
    Telephone: +49 8153 28-2251
    Fax: +49 8153 28-1243
    Münchener Straße 20
    82234 Weßling
    Contact
  • Martina Vollmuth
    Spokesper­son Tech­nol­o­gy
    MTU Aero En­gines AG
    Telephone: +49 89 14 89-53 33
    Contact

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