Design and Analysis of NACA0016 Wing Rib and Stringers by using al-7075 and Kevlar
Ahmed Mohmad Aliywy

Ahmed Mohmad Aliywy, Department of electric, Assistant Lecturer , Institute of Technology-Kut, Middle Technical University, wassit, Iraq.
Manuscript received on 13 June 2017 | Revised Manuscript received on 20 June 2017 | Manuscript Published on 30 June 2017 | PP: 31-36 | Volume-6 Issue-5, June 2017 | Retrieval Number: E4990066517/17©BEIESP
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Abstract: The aircraft wing consists of multiple airfoils shapes that are called “ribs”. These ribs are connected with stringers to form a shape of Skelton and then cover it with aluminium-alloy sheets to make a wing. In this paper, a NACA0016 airfoil ribs with stringers were designed in CATIA V5 by using three types of aluminium-alloys (AL-2024, AL-6061, and AL-7075) and then analysed in ANSYS workbench to determine the deformation, stress and safety factor values. The stringer’s material was then changed from al-alloy to cfrp and Kevlar in order to find which combination of materials will give less deformation, stress and high safety factor. The results show that using cfrp material can reduce the weight up to 30% but the stress will increase while using Kevlar nearly reduces stress, deformation and weight up to 252Mpa, 25% and 33%, respectively. It concluded that AL-7075-t6 and Kevlar materials give less stress and high strength to weight ratio.
Keywords: Ribs, Stringers, NACA0016, Al-alloys, Cfrp, Kevlar, Ansys, CATIA, Design Foil.

Scope of the Article: Structural Reliability Analysis