27. September 2019
The future of commuter aircraft

NASA and DLR hon­our win­ners of joint de­sign com­pe­ti­tion for stu­dents

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Aeronautics
The team from the University of Stuttgart
The team from the Uni­ver­si­ty of Stuttgart
Image 1/6, Credit: NASA/©DLR

The team from the University of Stuttgart

Dur­ing the win­ner’s sym­po­sium at NASA’s Lan­g­ley Re­search Cen­ter, the team from the Uni­ver­si­ty of Stuttgart was hon­oured af­ter they pre­sent­ed their award-win­ning Hy­Bird de­sign. From left to right: Michael Lang, Fe­lix Lad­wein, Jonathan Sto­ber, Jonas Man­gold, Flo­ri­an Will, with Dana Gould, Deputy Di­rec­tor of the Aero­nau­tics Re­search Di­rec­torate at NASA’s Lan­g­ley Re­search Cen­ter.
Video: Win­ner of the NASA/DLR De­sign Chal­lenge
Video 2/6, Credit: Universität Stuttgart

Video: Winner of the NASA/DLR Design Challenge

Credit: Universität Stuttgart
Length: 00:01:13
Uni­ver­si­ty of Stuttgart presents award-win­ning con­cept of the hy­brid air­craft Hy­Bird.
HyBird - the winning concept of the Stuttgart team
Hy­Bird - the win­ning con­cept of the Stuttgart team
Image 3/6, Credit: University of Stuttgart.

HyBird - the winning concept of the Stuttgart team

The team from the Uni­ver­si­ty of Stuttgart won with the Hy­Bird de­sign - an air­craft with high wing con­fig­u­ra­tion with a Coan­da flap sys­tem, a V-tail, and con­ven­tion­al fuse­lage. The ju­ry rat­ed the choice of a hy­brid propul­sion sys­tem with two tur­bines for pow­er gen­er­a­tion and the op­tion of switch­ing off a sys­tem dur­ing cruis­ing as a very in­no­va­tive ap­proach to en­er­gy ef­fi­cien­cy. This opens up the pos­si­bil­i­ty of low con­sump­tion, es­pe­cial­ly at cruis­ing speed. A ‘bat­tery boost’ of up to 180 kilo­watts en­able a ful­ly elec­tric take-off. The stu­dents al­so re­duced noise emis­sions through the po­si­tion and size of the drives. The mem­bers of the ju­ry were al­so im­pressed by the stu­dents’ re­al­is­tic cal­cu­la­tions for op­er­at­ing costs, and ideas for eas­i­ly con­vert­ing a com­muter air­craft to a car­go con­fig­u­ra­tion were the cher­ry on top.
Visit to the aircraft hangar
Vis­it to the air­craft hangar
Image 4/6, Credit: NASA/©DLR

Visit to the aircraft hangar

The Ger­man and US-Amer­i­can stu­dents vis­it­ed the hangar at NASA’s Lan­g­ley Re­search Cen­ter, where re­search air­craft are housed.
Tour of the Landing and Impact Research Facility (LandIR)
Tour of the Land­ing and Im­pact Re­search Fa­cil­i­ty (LandIR)
Image 5/6, Credit: NASA/©DLR

Tour of the Landing and Impact Research Facility (LandIR)

The Ger­man and US-Amer­i­can stu­dents vis­it the Land­ing and Im­pact Re­search Fa­cil­i­ty (LandIR), bet­ter known as the ‘gantry’. The fa­cil­i­ty was com­mis­sioned in 1965. Neil Arm­strong and Ed­win ‘Buzz’ Aldrin trained here for the fi­nal 150 feet of the de­scent to the lu­nar sur­face by Apol­lo 11.
The University of Stuttgart team at the entrance to NASA’s Langley Research Center
The Uni­ver­si­ty of Stuttgart team at the en­trance to NASA’s Lan­g­ley Re­search Cen­ter
Image 6/6, Credit: NASA/©DLR

The University of Stuttgart team at the entrance to NASA’s Langley Research Center

The team from the Uni­ver­si­ty of Stuttgart vis­its NASA’s Lan­g­ley Re­search Cen­ter. From left to right: Fe­lix Lad­wein, Jonas Man­gold, Jonathan Sto­ber, Flo­ri­an Will, Michael Lang.
  • In the NASA/DLR Design Challenge, participants designed small, flexible aircraft for transporting cargo or up to nine passengers to remote areas.
  • The winners were honoured during a symposium held at NASA’s Langley Research Center.
  • The University of Stuttgart presented an award-winning concept for the ‘HyBird’ hybrid aircraft.
  • Focus: Aeronautics, electric flight, unmanned flight

Small, efficient aircraft for passenger and cargo transport will become significantly more important in the future. Commuter aircraft are already playing a vital role in connecting remote areas. The 2019 NASA/DLR Design Challenge 2019 asked students in Germany and the USA to design their own visions for a small aircraft. The concept had to accommodate passengers and cargo, be efficient and environmentally friendly, as well as being capable of changing between autonomous flight and pilot-controlled operation. The University of Stuttgart’s team, which came up with the pioneering ‘HyBird’ design, and the team from the University of California, Davis, which designed the BW-1 ‘Big Skipper’, were honoured as the winners during a joint symposium with renowned aeronautics researchers at NASA's Langley Research Center in Virginia.

“This Design Challenge is something not only for the brain, but also for the heart,” said Rolf Henke, DLR Executive Board Member for Aeronautics Research while addressing the students at the symposium. “Tell your fellow students that such an exercise is worth it, that coming up with results gives you a sense of satisfaction, that working in such engaged groups provides added value and that being here with DLR and NASA representatives could be a once in a lifetime reward.”

“These are really exciting times for NASA Aeronautics with the work we are doing to help make urban air mobility possible, build our X-59 quiet supersonic technology aircraft, and explore designs for a possible electric propulsion aircraft demonstrator. The NASA/DLR Design Challenge is a great way to engage students in finding their own solutions for the real challenges we face in these areas that will transform flight for all of us,” said Dana Gould, Deputy Director of the Aeronautics Research Directorate at NASA’s Langley Research Center.

Video: Win­ner of the NASA/DLR De­sign Chal­lenge
Uni­ver­si­ty of Stuttgart presents award-win­ning con­cept of the hy­brid air­craft Hy­Bird.
Credit: Universität Stuttgart

Electric take-off for short runways

The award-winning HyBird design from the University of Stuttgart’s team of students – led by Florian Will, Jonathan Stober, Felix Ladwein, Jonas Mangold and Michael Lang – is a versatile all-rounder. It enables environment-friendly connections to remote areas at a time when increasing demands are being placed on air transport against the background of climate change. Nine passengers or, when seats are folded and stored away, one tonne of cargo can fit into the aircraft, which stands out due to its unusual V-shaped tail unit and the four large, efficiently-positioned propellers on the wing and tail tips. A Coandă high-lift system with active circulation control, as well as an additional electrical boost from batteries, enable a short take-off. In flight, two gas turbines supply the propellers and on-board systems of the hybrid aircraft with power. One turbine can be turned off during cruise flight, making the operation particularly efficient and low emission. HyBird can take off, fly and land autonomously for cargo transport, while the GPS, Radar and Lidar provide information about its surroundings. When transporting passengers, the pilot is supported by these systems. On the ground, the aircraft taxies silently, using electric landing gear motors. All the technologies have been selected in such a way that rapid market entry could be possible by 2025.

Team member Michael Lang said: “This was a chance of a lifetime for us to realise our creativity in the field of aircraft design. We hope that aeronautics will benefit from such concepts in the future and thus become more environmentally friendly.”

In NASA’s part of the competition, the team from the University of California, Davis, impressed with the BW-1 ‘Big Skipper’ design. The efficient, twin-turboprop aircraft has custom-designed, low-noise propellers, and wings with an optimised laminar flow design for increased cruise efficiency. Lightweight composite materials further increase the efficiency of the aircraft, which is also equipped with autonomous flight systems. What sets the BW-1 ‘Big Skipper’ apart is its capability to more than halve the usual take-off and landing distances and reduce fuel consumption by a third.

NASA/DLR Design Challenge 2018/2019 overview

This year the students once again had to meet the demanding requirements of the jury with regard to the performance of their designs. Their aircraft configurations had to be capable of using very short runways, while also having an acceptable cruising speed. New technologies from a wide range of disciplines had to be integrated into the designs, including an examination of concepts that would enable changes from passenger to freight transport to be made at short notice. They also considered whether a combination of passenger flights with pilots and automated, unmanned freight flights might increase the appeal of such aircraft for airlines.

Five teams consisting of around 40 students submitted innovative designs. The kick-off meeting took place in April 2019 at the DLR site in Braunschweig. This included an introduction to the task and a tour of the site. The German expert jury, which included the directors of various aviation-related DLR institutes, announced the winning team after the closing presentations in August 2019 at ZAL (Center of Applied Aeronautical Research) in Hamburg. The winners travelled to visit NASA in September 2019, where they presented their design alongside that of the winning US team as part of a symposium of aeronautics experts.

Rolf Henke started the NASA/DLR Design Challenge together with NASA’s Associate Administrator for Aeronautics, Jaiwon Shin. The 2018/2019 competition was the third such event. Every year, it offers students at technical universities in Germany and the USA the chance to work on pressing real-life issues in modern aeronautics.

Contact
  • Falk Dambowsky
    Ed­i­tor
    Ger­man Aerospace Cen­ter (DLR)
    Me­dia Re­la­tions
    Telephone: +49 2203 601-3959
    Fax: +49 2203 601-3249
    Linder Höhe
    51147 Cologne
    Contact
  • Dr Olaf Brodersen
    Ger­man Aerospace Cen­ter (DLR)

    DLR In­sti­tute of Aero­dy­nam­ics and Flow Tech­nol­o­gy
    Telephone: +49 531 295-2445
    Linder Höhe
    51147 Köln
    Contact

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