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Computational Fluid Dynamics Study of Perforated Wind Tunnel Wall Effects on Wing Characteristics

Author(s):

Lukman N Kerur , SIDDAGANGA INSTITUTE OF TECHNOLOGY, TUMKUR; G.S.Shivshankar, SIDDAGANGA INSTITUTE OF TECHNOLOGY TUMKUR

Keywords:

3D Perforated Model, 2d Free Stream Model, 8% Open Air Ratio, Pressure Farfield

Abstract

In this project, we are going to study the flow past of SSD2 airfoil which is further modified version of NACA 23012 and simulating the results. Any new airfoil characteristics are derived from extensive experimental tests. However experiments are costly. In order to get an idea of airfoil characteristics we have chosen to use CFD tools. Firstly, Computations were done on 2d section model and simulated for free stream condition. Further, the airfoil properties were studied when tested in a tunnel. The flow properties in the presence of wind tunnel walls have also been simulated using CFD tools. For this purpose rectangular wing is placed in the tunnel as wall to wall. Effects of wind tunnel wall are compared with the results of 2d free air simulation. In general wind tunnel wall effects are reduced by using perforated walls. In our present study we have done a limited study on perforated walls we do show the improved prediction with respect to perforated wall. An open air ratio of 8% has been used in the present studies and compared with the 2d free air simulation. Modelling and Simulation is done using different CFD tools.

Other Details

Paper ID: IJSRDV3I60053
Published in: Volume : 3, Issue : 6
Publication Date: 01/09/2015
Page(s): 91-95

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