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Three-dimensionality and secondary vortex street in the wake of cylindrical bluff bodies

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thesis
posted on 28.02.2017, 04:45 by Radi, Alexander
The aerodynamics of bluff bodies, such as cars or trucks, are largely dominated by vortex dynamics (regions of rotating flow). This thesis describes water channel experiments on spinning and stationary cylinders, which add to a better understanding of three-dimensional transitions and vortex interactions in incompressible bluff body wakes. The flows downstream of a slender cylinder of circular or elliptical cross-sectional shape and a flat plate are studied. New three-dimensional modes in the wake of a spinning cylinder and a new flow regime behind an elliptical cylinder are observed and explained for the first time.

History

Campus location

Australia

Principal supervisor

John Sheridan

Year of Award

2013

Department, School or Centre

Mechanical and Aerospace Engineering

Faculty

Faculty of Engineering