High Lift, Low Drag Wings - NASA aims to have the Cake and eat it too
An aircraft should have a high lift for efficient take off and landing. During high altitude cruising, it will be best to have a low drag laminar flow of the air stream. Two obviously contradictory demands.
Looks as though NASA has made some progress in this tantalising design demand.
Quote:
Results from research efforts like the Advanced High-Lift Leading-Edge (AHLLE) system could show up on commercial airliners of the future that are filled with advanced technologies that may not look that different on the surface, but that make a big difference in fuel consumption and overall performance.
Endquote
Designfax – Technology for OEM Design Engineers
Looks as though NASA has made some progress in this tantalising design demand.
Quote:
Results from research efforts like the Advanced High-Lift Leading-Edge (AHLLE) system could show up on commercial airliners of the future that are filled with advanced technologies that may not look that different on the surface, but that make a big difference in fuel consumption and overall performance.
Endquote
Designfax – Technology for OEM Design Engineers
Replies
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The Observerwell the pic shows a design similar to the general swept-back configuration. The other illustration is pretty good.. but the slats had that boundary layer forming which actually helped in better performance of the aircraft. The pic also seems to be a more acute form of the converging-diverging nozzle if am right..:/. Anyhow its good as long as the bernoulli's theory gets a push. but the C.S. no more looks like a aerofoil :/ confused bout it.
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