Computational Analysis of Different Shapes of Dimple on Wing

T.S. Mahesh Babu; D. Sairaja; A. Chandrasekar; S. Sreenathreddy

doi:10.4028/www.scientific.net/AMM.766-767.1061

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 766-767Computational Analysis of Different Shapes of...

Computational Analysis of Different Shapes of Dimple on Wing

Abstract:

Dimple is a slight indentation in a surface. Dimples create turbulence by creating vortices which delays the boundary layer separation resulting in decrease of drag, increasing aerodynamic efficiency, manoeuvrability and also the angle of stall. The present work focused on the understanding of the effect of dimples on boundary layer separation, lift, drag, critical angle of attack, aerodynamic efficiency of wings. The airfoils without any dimples and with circular dimples as inward and outward on are studied. Types of dimples considered in 3D studies are circular and octagon dimple then computational analysis is done using ANSYS FLUENT CFD software, applying subsonic flow, in three dimensional co-ordinate system. The results are compared with a straight wing without dimples. Then suggestions and conclusions are made.

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Periodical:

Applied Mechanics and Materials (Volumes 766-767)

Pages:

1061-1069

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.766-767.1061

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Online since:

June 2015

Authors:

T.S. Mahesh Babu*, D. Sairaja, A. Chandrasekar, S. Sreenathreddy

Keywords:

Angle of Attack, Chord, Dimple, Drag, Vortex, Wake

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References

[1] Anthony C et. al, More Speed With Less $$, (2008) Sport aviation, pp.77-79.

Google Scholar

[2] Casey, J. P. (2004), Effect of Dimple Patter non the Suppression of Boundary Layer Separation on a Low Pressure Turbine Blade, Master's thesis, Air Force Institute of Technology.

Google Scholar

[3] DeepanshuSrivastav (2012), Flow Control over Airfoils using Different Shaped Dimples, International Conference on Fluid Dynamics and Thermodynamics Technologies, vol. 33, pp.92-97.

Google Scholar

[4] Katsumi Aoki, Koji Muto, HirooOkanaga and Yasuki Nakayama. (2009), Aerodynamic Characteristic and Flow Pattern on Dimples Structure of a Sphere, International Conference on Fluid Control, Measurement and Visualization.

Google Scholar

[5] Sam Colins . Rough Around The Edges, racecar engineering (2006) pp.42-44.

Google Scholar