CMU Team Designs the Airports of Tomorrow

Nick ZurawskyTuesday, August 9, 2022

An interdisciplinary team of CMU students won NASA's Gateway to Blue Skies: Airports of Tomorrow competition, and will have the chance to intern with NASA during the upcoming academic year.

A team from Carnegie Mellon University won NASA's Gateways to Blue Skies: Airports of Tomorrow competition with their project, "Sustainability and Connected Autonomy: A New Era for Aviation."

The new NASA competition asked teams from universities around the United States to "develop external airport infrastructure design concepts to support the emerging aviation technology and markets that will comprise the climate-friendly aviation industry of tomorrow."

Sebastian Scherer, an associate research professor in the Robotics Institute, advised the team, which included Aaron Burns, an engineering and public policy Ph.D. student; Tahaseen Shaik, an electrical and computer engineering and robotics undergrad; Ashima Sharma, a civil and environmental engineering undergrad with minors in human-computer interaction and technology and policy; and Shruti Prasanth, a communication design undergrad with a minor in human-computer interaction.

The challenge of this year's Blue Skies competition was to design an airport to support the future of sustainable, eco-friendly aircraft in the year 2050.

"Our response to that design problem was to look at existing airports and technologies. We found the most effective techniques and designs that we could improve by the year 2050 and integrated that into our design," Shaik said.

Because team members came from such diverse backgrounds, their solution improved almost all aspects of airport infrastructure.

"One of the things the judges said they appreciated about our design was how holistic it was," Sharma said. "I think the fact that we had such a wide variety of backgrounds really helped. I feel like projects like these are really helpful, because in the workforce you will be working with all of these people. Especially, working with people outside of engineering — like design students — gives you a totally different perspective."

The group's proposal included many modern sustainable fuel options ranging from batteries to sustainable aviation fuel (SAF) — similar to the jet fuel we use now but made from sources and products that would otherwise be wasted, such as agricultural waste and cooking oil. The team predicts that by 2050, the largest proportion of fuel used in planes will be SAF. Sharma also mentioned that United Airlines has already bought supersonic aircraft to add to its fleet and plans to use them commercially by 2029. Supersonic jets are notoriously far less environmentally friendly; however, Boeing says they will be able to add these jets to their fleet and have them run entirely on SAF.

The team also proposed many new designs for airplanes, the two most likely being blended wing body and strut-based wing design, both of which are more fuel-efficient than the current airplane design. The team also recommends battery power for most of the domestic activities in the airport, such as baggage transportation, and airplane preflight inspection drones.

The team's plan also calls for battery-powered, autonomous, human-sized drones ferrying people from the city to the airport while autonomous robots take care of preflight checks on the planes and clean the terminal and tarmac. A large, centralized energy hub charges the robots' batteries and allows them to simply be swapped out when they need to be replaced. The major drawback to batteries is that they are heavier and generate less energy than many other power sources, so they are not ideal for use in the airplanes themselves.

"Going into this project, and especially handling the technical content was a challenge for me, and put me out of my comfort zone as the graphic designer for my team," Prasanth said. "I think it was one of the greatest experiences I've had because it showed me the power of a multidisciplinary team, and that my role is equally valued and necessary to succeed."

The group provided an expected timeline for these technologies to be commercially viable based on industry sources and research publications. Some innovations are already being tested and in mass production, while others rely on technology that is not yet available or on scientific advances that have not been made.

The team members earned the opportunity to intern with NASA during the 2022-23 academic year. They also had a chance to present their climate-friendly airport integration concept at the Airports Council International - North America Annual Conference and were encouraged to publish the paper outlining their ideas.

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