NASA NTRS · 19750009267
Future long-range transports: Prospects for improved fuel efficiency
Abstract
A status report is provided on current thinking concerning potential improvements in fuel efficiency and possible alternate fuels. Topics reviewed are: (1) historical trends in airplane efficiency; (2) technological opportunities including supercritical aerodynamics, (3) vortex diffusers, (4) composite materials, (5) propulsion systems, (6) active controls, and terminal-area operations; (7) unconventional design concepts, and (8) hydrogen-fueled airplane.
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Nagel, A. L., Alford, W. J., Jr., Dugan, J. F., Jr.. 1975-02-01. Future long-range transports: Prospects for improved fuel efficiency. https://ntrs.nasa.gov/citations/19750009267
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