Investigation of Wide Range of Flow around Circular Cylinder Using Turbulence Model

Abstract:

The purpose of present study is to identify the possibility of predicting the physical features of circular cylinder in two dimensional for a wide range of Reynolds number using a modified turbulence model. The modification is focused on the turbulence length and intensity. The drag coefficient and the Strouhal number were calculated and compared with the existing experimental data. The contour of vorticity and pressure gradient were also presented. Although variation up to 159% was noted in the drag coefficient, it was just on a particular Reynolds number.The simulated outputs of Strouhal number, pressure coefficient and vorticity contour indicated reasonable agreement with the experimental data. The modified turbulence model has showed potential in simulating the flow around the circular cylinder.

• Periodical: Advanced Materials Research (Volume 664)
• Pages: 878-883
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.664.878
• Online since: February 2013
• Authors: Kee Quen Lee, Abu Aminudin, Muhamad Pauziah
• Keywords: Circular Cylinder, k-ω SST Turbulence Model, Reynolds-Averaged Navier-Stokes Model

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