Journal
AEROSPACE
Volume 10, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/aerospace10030277
Keywords
FUTPRINT50; sustainable aviation; zero emissions; hybrid-electric propulsion; liquid hydrogen; fuel-cell technology; electric green taxiing system; wingtip propulsion; superconducting materials
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This paper explores the hybridization of a 50-passenger regional aircraft to achieve the lowest emissions in 2040. By using liquid hydrogen as an innovative power source and a fuel-cell system, the emissions can be reduced to zero and the energy efficiency can be maximized. The aircraft design resulting from the analysis of flight and ground phases significantly reduces operating costs. Promising technologies and their potential impacts on the future of aviation are discussed. Overall, the hybridization of regional aircraft is promising and feasible by 2040, but further research is needed in fuel-cell technology, thermal management, and hydrogen production and storage.
Over the past few years, the rapid growth of air traffic and the associated increase in emissions have created a need for sustainable aviation. Motivated by these challenges, this paper explores how a 50-passenger regional aircraft can be hybridized to fly with the lowest possible emissions in 2040. In particular, the use of liquid hydrogen in this aircraft is an innovative power source that promises to reduce CO2 and NOx emissions to zero. Combined with a fuel-cell system, the energy obtained from the liquid hydrogen can be used efficiently. To realize a feasible concept in the near future considering the aspects of performance and security, the system must be hybridized. In terms of maximized aircraft sustainability, this paper analyses the flight phases and ground phases, resulting in an aircraft design with a significant reduction in operating costs. Promising technologies, such as a wingtip propeller and electric green taxiing, are discussed in this paper, and their potential impacts on the future of aviation are highlighted. In essence, the hybridization of regional aircraft is promising and feasible by 2040; however, more research is needed in the areas of fuel-cell technology, thermal management and hydrogen production and storage.
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