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Title: Some examples of stability mode persistence and change in vortex structure formation
Authors: Rona, Aldo
Garrett, Stephen J.
Gostelow, J. Paul
Adebayo, David S.
First Published: 1-Sep-2013
Presented at: European Turbulence Conference 14 (ETC 14), ENS Lyon, France
Start Date: 1-Sep-2013
End Date: 4-Sep-2013
Abstract: Stable vortex structures have been observed in a range of flows of industrial relevance, such as flows over conical aerodynamic fairings, turbine blades with cylindrical leading edges, and in between coaxial cylinders. The persistence of these structures over a defined flight envelope appears to be a common theme among these applications. Regression of experimental results over variations in geometry and inflow conditions have guided the development of predictive methods for these structures, based on asymptotic perturbation methods of inviscid, incompressible baseline model flows. Three examples of flows generating similar near-wall striations indicate a possible common driver, involving streamwise vorticity. This encourages the development of the current models towards a generalised representation for this class of flows. [Taken from introduction]
Version: Post-print
Type: Conference Poster
Rights: Copyright © the authors, 2013
Appears in Collections:Conference Papers & Presentations, Dept. of Engineering

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