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A Comparative Aerodynamic Study Of Nonplanar Wings, Mondher Yahyaoui
A Comparative Aerodynamic Study Of Nonplanar Wings, Mondher Yahyaoui
International Journal of Aviation, Aeronautics, and Aerospace
In this work four nonplanar wing configurations were studied using the vortex-lattice method: the wing-winglet, the C-wing, the biplane, and the box wing. It has been shown that linear twist, which is more practical in aeronautical construction, is more than adequate to achieve the higher values of span efficiency factor obtained by a completely optimized twist distribution along the span camber, the latter being in general highly varying and thus not very practical. It has also been shown that moderate sweep can slightly increase the span efficiency factor and further reduce vortex drag. The increase is more important for the …