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Title of Journal: J Mech Sci Technol

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Abbravation: Journal of Mechanical Science and Technology

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Korean Society of Mechanical Engineers

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DOI

10.1016/0002-9378(86)90652-6

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1976-3824

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Measurements of the flow fields around two square

Authors: Moon Kyoung Kim Dong Keon Kim Soon Hyun Yoon Dae Hee Lee
Publish Date: 2008/05/31
Volume: 22, Issue: 2, Pages: 397-
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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 = 05 to 100 and two Reynolds numbers of 5300 and 16000 The results showed that the flow patterns at s/D≤20 were drastically different from those at s/D≥25 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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