NASA’s is developing a small core for a hybrid-electric turbofan jet engine that could reduce fuel burn by 10% compared to today’s engines.
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.
“Phase 1 of HyTEC is winding down and we are ramping up Phase 2,” said Anthony Nerone, who leads HyTEC atin Cleveland. “This phase will culminate in a core demonstration test that proves the technology so it can transition to industry.”Before researchers could start the design and build process for the core, they had to explore innovative new materials to use in the engine. After three years of notably fast progress, HyTEC researchers came up with solutions.
In addition to conducting materials research, the project also explored advanced aerodynamics and other key technical elements. “Phase 2 is very complex. It’s not just a core demonstration,” Nerone said. “What we’re creating has never been done before, and it involves many different technologies coming together to form a new type of engine.”
By decreasing the core size while increasing the size of the turbofan it powers – while maintaining the same thrust output — the HyTEC concept would use less fuel and reduce carbon emissions.
Aeronautics Aeronautics Research Mission Directorate Green Aviation Tech Hybrid Thermally Efficient Core
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