Structural Design Of Wing For Long Endurance
Surveillance Plane
Student Team/ Author :
Ch. Mahesh Kumar
Guide By :
H. K. Narahari and Pathan Ramjan Rashid
Degree :
Wing which is the main lifting surface in aircraft is a complex arrangement of different structural members like wing spar, ribs and stringers. Designing the aircraft wing involves determining the loads, external shape, material selection, shaping, sizing and optimization of structure. Loads generated on wing are transformed to interior structure comprising of ribs and spars. These are designed based on the loads acting on a wing. In preliminary stage of design loads acting on wing are approximated as geometry would still be evolving. CFD computation and wind tunnel testing are used to generate actual loads only when the geometry is known to a degree of accuracy. Since maximum loads are generated at high angles of attack, wing structure behaviour at such angles of attack need to be studied.
The present work is on structural design of wing of long endurance surveillance plane. Loads acting on the wing were calculated based on estimated V-n diagram. In order to design the structural members, shear force and bending moment of wing are required and these were drawn. Ribs and spar were d
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