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Measurements of the flow fields around two square cylinders in a tandem arrangement

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Abstract

The velocities, turbulence intensities, Reynolds shear stresses, and turbulent kinetic energies of the flow fields around two square cylinders in a tandem arrangement were investigated using particle image velocimetry (PIV). The experiments were made for the spacing between the two cylinders ranging from s/D = 0.5 to 10.0 and two Reynolds numbers of 5,300 and 16,000. The results showed that the flow patterns at s/D≤2.0 were drastically different from those at s/D≥2.5 for both Reynolds numbers. The sudden change in the flow patterns depended on the reattachment of the shear layer separated from the upstream cylinder.

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Authors and Affiliations

  1. Department of Mechanical Design Chang-Won College, 196 Doodae-Dong, Changwon, Gyeongnam, Korea

    Moon Kyoung Kim

  2. Institute of Mechanical Engineering Technology, Moscow, Russia

    Dong Keon Kim

  3. School of Mechanical Engineering Busan National University, Gumjung-Gu, Busan, 609-735, Korea

    Soon Hyun Yoon

  4. Inje Engineering Institute School of Mechanical and Automotive Engineering Inje University, 607 Obang-Dong, Gimhae, Gyeongnam, 621-749, Korea

    Dae Hee Lee

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  1. Moon Kyoung Kim
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  2. Dong Keon Kim
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  3. Soon Hyun Yoon
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  4. Dae Hee Lee
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Correspondence to Dae Hee Lee.

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Kim, M.K., Kim, D.K., Yoon, S.H. et al. Measurements of the flow fields around two square cylinders in a tandem arrangement. J Mech Sci Technol 22, 397–407 (2008). https://doi.org/10.1007/s12206-007-1041-6

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  • DOI: https://doi.org/10.1007/s12206-007-1041-6

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