Numerical Investigation over Dimpled Wings of an Aircraft
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 4
Abstract
The main intention of aircraft aerodynamics is to develop the aerodynamic characteristics and maneuverability of the aircraft. The airfoil which contains dimples will have comparatively a lesser amount of drag than the plain airfoil. Introducing dimples on the aircraft wing will create turbulence by creating vortices which delays the boundary layer separation resulting in reduce of pressure drag and also raise in the stall angle. This project includes both computational and experimental analysis of dimple effect on aircraft wing, using NACA 6321 airfoil. The dimples on the surface of the aerofoil is circle, heart, elliptical ,which chosen for analysis .The aerofoil which is tested under the inlet velocity at the different angle of attack. From the experimental it has been observed that the flow separation can be belated by using dimples on the aerofoil on the aircraft and thereby they reducing the drag by applying the dimple effect over the aircraft wing .then the intention of the project which are carried out to the numerical analysis by using the CFD with which determine the dimples on the airfoil . From which they result in the wake area which raise in pressure drag at the higher angle of attack which is due to the flow separation .The main aim of the project which involves in reducing the take off distance by attaining the high coefficient of the lift at the higher angle of attack.
Authors and Affiliations
A. Arunkumar, T. S. Gowthaman, R. Muthuraj, S. Vinothkumar, K. Balaji
Keywords
Related Articles
- EP ID EP23748
- DOI http://doi.org/10.22214/ijraset.2017.4041
- Views 345
- Downloads 8
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