Flow around circular cylinders with very low aspect ratio

Experiments on the flow around stationary circular cylinders with very low aspect ratio piercing the water free surface were carried out in a recirculating water channel. Eight different aspect ratios were tested, namely L/D=0.1, 0.2, 0.3, 0.5, 0.75, 1.0, 1.5 and 2.0; no end-plates were employed. Fo...

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Bibliographic Details
Published in:Journal of fluids and structures 2015-04, Vol.54, p.122-141
Main Authors: Gonçalves, R.T., Franzini, G.R., Rosetti, G.F., Meneghini, J.R., Fujarra, A.L.C.
Format: Article
Language:English
Subjects:
Aspect ratio
Circular cylinders
Cylinders
Flow around cylinder
Fluid dynamics
Fluid flow
Free-end effects
Low aspect ratio
Low aspect ratio cylinder
Reynolds number
Strouhal number
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Summary:Experiments on the flow around stationary circular cylinders with very low aspect ratio piercing the water free surface were carried out in a recirculating water channel. Eight different aspect ratios were tested, namely L/D=0.1, 0.2, 0.3, 0.5, 0.75, 1.0, 1.5 and 2.0; no end-plates were employed. Forces were measured using a six degree-of-freedom load cell and the Strouhal number was inferred through the transverse force fluctuation frequency. The range of Reynolds number covered 10000
ISSN:0889-9746
1095-8622
DOI:10.1016/j.jfluidstructs.2014.11.003