The theoretical development of the multi-foils between 18 and 30 percent thickness/chord is discussed and results are presented from high Reynolds number, high speed, 2D and 3D tunnel tests on foils up to 24 percent thickness/chord ratio. Both blown and unblown characteristics of the foils are reviewed. The integration of these multi-foil sections into high speed advanced USTOL (Ultra-Short Takeoff and Landing) transport aircraft studies using the ejector flap concept led to the potential for very efficient cruising transport aircraft with USTOL capability using only the thrust required for cruise. Several other potential applications for thick multi-foil section are also discussed.
Development of Very Thick Multi-Foil Wings for High Speed, Powered Lift Transport Aircraft Applications
1990
20 pages
Report
Keine Angabe
Englisch
Aircraft , Aerodynamics , Logistics Military Facilities & Supplies , Aerodynamic drag , Foils (Materials) , High speed , Powered lift aircraft , Transport aircraft , Wing profiles , Wings , Design analysis , Ejectors , Flaps (Control surfaces) , High reynolds number , Takeoff , Wind tunnel tests , Foreign technology , Military aircraft
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