A comparison of two- and three-dimensional wakes of an oscillating circular cylinder

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Abstract

Simulation results for two-dimensional and three-dimensional wakes of circular cylinders are compared at Re = 265, which is sufficiently high for the wake of a fixed cylinder to exhibit spatio-temporal chaos. Comparisons are made both for fixed cylinders and those in forced cross-flow oscillation. Assessments of the two-dimensionality of the three-dimensional wake flows are made on the basis of spanwise correlations of fluctuating forces and wake velocities, and also via Fourier analysis. Force coefficients from spanwise-averaged three-dimensional flows are compared with those for equivalent two-dimensional flows.

Original languageEnglish
Title of host publicationProceedings of the 1998 Thirteenth Australasian Fluid Mechanics Conference, Melbourne, Australia, 13-18 December 1998 (Volume 2)
EditorsMC Thompson, K Hourigan, MC Thompson, K Hourigan
PublisherOCE, Monash University
Pages749-752
Number of pages4
ISBN (Print)0732620449
Publication statusPublished - 1 Dec 1998
Externally publishedYes
EventAustralasian Fluid Mechanics Conference 1998 - Monash University, Melbourne, Australia
Duration: 13 Dec 199818 Dec 1998
Conference number: 13th

Conference

ConferenceAustralasian Fluid Mechanics Conference 1998
Abbreviated titleAFMC 1998
Country/TerritoryAustralia
CityMelbourne
Period13/12/9818/12/98

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