NASA and GE Aerospace are collaborating on the development of a mild hybrid-electric jet engine, marking a significant step towards more sustainable aviation. This innovative engine combines a fuel-burning core with electric motors to significantly reduce fuel consumption.
This artist concept shows a NASA -developed small-core jet engine installed in General Electric Aerospace’s CFM RISE jet engine design. The more fuel-efficient small core powers a large open turbofan, which also helps increase efficiency. The effort is part of NASA ’s Sustainable Flight National Partnership to help inform the next generation of ultra-efficient airliners.
In this hybrid jet engine, a fuel-burning core powers the engine and is assisted by electric motors. The motors produce electric power, which is fed back into the engine itself—therefore reducing how much fuel is needed to power the engine in the first place.This jet engine would be the first ever mild hybrid-electric jet engine. A “mild hybrid” engine can be powered partially by electrical machines operating both as motors and generators.
A major HyTEC project goal is to design and demonstrate a jet engine that has a smaller core but produces about the same amount of thrust as engines being flown today on single-aisle aircraft. Michael Presby, a research materials engineer at NASA’s Glenn Research Center in Cleveland, adjusts an infrared thermal imaging camera used to monitor the temperature profile of a NASA-developed, high-temperature environmental barrier coating deposited on a ceramic matrix composite in support of the agency’s HyTEC project. The composite’s environmental barrier coating surface temperature is 3,000 degrees Fahrenheit.“Today’s jet engines are not really hybrid electric,” Nerone said.
NASA GE Aerospace Hybrid-Electric Engine Sustainable Aviation Fuel Efficiency
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