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Numerical and Experimental Investigation of Newtonian Flow around a Confined Square Cylinder
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Date
2019-01-01
Author
Tezel, Guler Bengusu
YAPICI, Kerim
Uludağ, Yusuf
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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The confined flow of a Newtonian fluid around a square cylinder mounted in a rectangular channel was investigated both numerically and experimentally. Ratio between the pipe and channel height, the blockage ratio, is kept constant at 1/4. The flow variables including streamlines, vorticity and drag coefficients were calculated at 0 <= Re <= 50 using finite volume method. The velocity terms in the momentum equations are approximated by a higher-order and bounded scheme of Convergent and Universally Bounded Interpolation Scheme for the Treatment of Advection (CUBISTA). Particle Image Velocimetry (PIV) was also used to obtain the two-dimensional velocity field. The flow measurements were conducted for 1 <= Re <= 50. Streamline and vorticity results obtained by PIV are compared with those of the numerical simulation. Based on this comparison, good agreement is found between the numerical and experimental results in a qualitative manner.
Subject Keywords
General Chemical Engineering
,
Square cylinder
,
Confined channel
,
Newtonian fluid
,
Finite volume method
URI
https://hdl.handle.net/11511/41394
Journal
PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING
DOI
https://doi.org/10.3311/ppch.12377
Collections
Department of Chemical Engineering, Article