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Dynamic Analysis of Flow Around Two Side-by-Side Cylinders Near a Wall

  • Research Article - Mechanical Engineering
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Abstract

This paper presents a dynamic study of fluid flow around two circular cylinders placed in a transverse arrangement near a solid wall. The flow equations are solved by finite element method for Reynolds number equal to 200. The effect of geometric ratios representing the distance between the two cylinders () and the distance between the bottom cylinder and the wall () on the hydrodynamic behavior of the fluid is investigated. First, it is found that the mean drag coefficient of the bottom cylinder is larger than that of the top cylinder when () varies. However, for the top cylinder it decreases and this coefficient decreases when () increases. Secondly, it has been observed that () strongly influences the lift coefficient of the bottom cylinder. For small values of (), we observe that the values of \(C_{\mathrm{L2}}\) tend to zero compared to those of \(C_{\mathrm{L1}}\) with values varying between 0.2 and 0.3. Finally, it is also found that Strouhal number values of the bottom cylinder near the wall vary between 0.03 and 0.06. This is radically different from the case without wall where Strouhal number values vary between 0.16 and 0.23.

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Authors and Affiliations

  1. Laboratory LMP2M, Medea University, 26000, Ain D’heb Medea, Algeria

    Sidali Bensedira & Abdellah Abdellah el-hadj

  2. Faculty of Technology, University of Blida1, 09000, Blida, Algeria

    Sidali Bensedira & Djaffar Semmar

  3. Faculty of Engineering, University of Hail, Hail, Saudi Arabia

    Noureddine Ait Messaoudene

Authors
  1. Sidali Bensedira
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  2. Abdellah Abdellah el-hadj
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  3. Djaffar Semmar
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  4. Noureddine Ait Messaoudene
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Correspondence to Sidali Bensedira.

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Bensedira, S., Abdellah el-hadj, A., Semmar, D. et al. Dynamic Analysis of Flow Around Two Side-by-Side Cylinders Near a Wall. Arab J Sci Eng 43, 4531–4540 (2018). https://doi.org/10.1007/s13369-017-2932-1

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  • DOI: https://doi.org/10.1007/s13369-017-2932-1

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