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Title: Streamwise and crossflow instabilities on inclined circular cylinders
Authors: Garrett, Stephen J.
Gostelow, J. Paul
McMullan, W. A.
De Saint Jean, M.
Rona, Aldo
First Published: 28-Sep-2012
Presented at: ICAS2012 – The 28th Congress of the International Council of the Aeronautical Sciences, Brisbane, Australia
Start Date: 23-Sep-2012
End Date: 28-Sep-2012
Publisher: Optimage Ltd. on behalf of the International Council of the Aeronautical Sciences (ICAS)
Citation: Proceedings of the 28th Congress of the International Council of the Aeronautical Sciences (ICAS2012), paper ICAS 2012-3.10.2
Abstract: Observations of streamwise and crossflow instabilities on swept circular cylinders over a range of inclinations are presented. By considering sweep angles through the full range between the two extremes studied in the literature, we relate the streamwise vorticity of the unswept case (Kestin & Wood, J. Fluid Mech. 44) to the more aggressive crossflow instability at high sweep angles (Poll, J. Fluid Mech. 150). Measurements made on the unswept cylinder confirm earlier predictions in the literature, providing a firm basis for referencing the new measurements of vortical behaviour on cylinders with general sweep angle. The study has implications for turbine blading.
ISBN: 978-0-9565333-1-9
Version: Publisher Version
Type: Conference Paper
Rights: Copyright © The Author(s), 2012.
Appears in Collections:Conference Papers & Presentations, Dept. of Engineering

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