21st Congress of International Council of the Aeronautical Sciences, Melbourne, Australia, 13-18 September, 1998
Paper ICAS-98-2.9.2

AERODYNAMIC DESIGN OF HIGH-PERFORMANCE SAILPLANE WING-FUSELAGE COMBINATIONS

Boermans L. M. M., Nicolosi F.*, Kubrynski K.**
Delft Univ. of Technology, The Netherlands; * Univ. of Naples "Federico II", Italy; **Technical Univ. of Warshaw, Poland

Keywords: aerodynamic design, high-performance, sailplane, wing-fuselage

The paper deals with the design of high-performance sailplane fuselages and wing-fuselage combinations. The first part of the paper presents computational results of the effect of some fuselage design parameters on drag. The second part of the paper describes the interference effects on wing-fuselage combinations and the way the negative effects were encountered in the design of two new combinations. One combination has a wing with camber changing flap, and the second one has a wing with span wise camber. Each configuration employs modern laminar airfoils in its wing. Flow visualization wind tunnel tests substantiated the design objects. Prototypes of both configurations are being produced by German sailplane manufacturers.

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