Journal
JOURNAL OF FLUIDS AND STRUCTURES
Volume 26, Issue 6, Pages 849-899Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jfluidstructs.2010.07.001
Keywords
Bluff body; Circular cylinder; Cylinder groups; Wake interference; Vortex shedding
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Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
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Pairs of circular cylinders immersed in a steady cross-flow are encountered in many engineering applications. The cylinders may be arranged in tandem, side-by-side, or staggered configurations. Wake and proximity interference effects, which are determined primarily by the longitudinal and transverse spacing between the cylinders, and also by the Reynolds number, have a strong influence on the flow patterns, aerodynamic forces, vortex shedding, and other parameters. This paper reviews the current understanding of the flow around two infinite circular cylinders of equal diameter immersed in a steady cross-flow, with a focus on the near-wake flow patterns, Reynolds number effects, intermediate wake structure and behaviour, and the general trends in the measurements of the aerodynamic force coefficients and Strouhal numbers. A primary focus is on the key experimental and numerical studies that have appeared since the last major review of this subject more than 20 years ago. (C) 2010 Elsevier Ltd. All rights reserved.
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