Wake Flows in Coastal Oceans: An Experimental Study of Topographic Effects

O’Byrne, M. J., Griffiths, R. W. and Hughes, G. O. (2007). Wake Flows in Coastal Oceans: An Experimental Study of Topographic Effects. In: Peter Jacobs, Tim McIntyre, Matthew Cleary, David Buttsworth, David Mee, Rose Clements, Richard Morgan and Charles Lemckert, 16th Australasian Fluid Mechanics Conference (AFMC). 16th Australasian Fluid Mechanics Conference (AFMC), Gold Coast, Queensland, Australia, (954-960). 3-7 December, 2007.

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Author O’Byrne, M. J.
Griffiths, R. W.
Hughes, G. O.
Title of paper Wake Flows in Coastal Oceans: An Experimental Study of Topographic Effects
Conference name 16th Australasian Fluid Mechanics Conference (AFMC)
Conference location Gold Coast, Queensland, Australia
Conference dates 3-7 December, 2007
Proceedings title 16th Australasian Fluid Mechanics Conference (AFMC)
Place of Publication Brisbane, Australia
Publisher School of Engineering, The University of Queensland
Publication Year 2007
Year available 2007
Sub-type Fully published paper
ISBN 978-1-864998-94-8
Editor Peter Jacobs
Tim McIntyre
Matthew Cleary
David Buttsworth
David Mee
Rose Clements
Richard Morgan
Charles Lemckert
Start page 954
End page 960
Total pages 7
Collection year 2007
Language eng
Abstract/Summary We consider the effects of coastal topography on the wake of an idealised headland model in a laboratory flume. Under a range of Reynolds numbers relevant to coastal oceans, we find that coherent eddies interact strongly with the headland shear layer and wake, affecting the width of the shear layer and the length of the wake. A preliminary investigation of turbulence statistics indicates that topography upstream of a headland can lead to a wider shear layer, a headland wake that extends further downstream, and enhanced horizontal diffusion out of the wake relative to the case with unperturbed oncoming flow.
Subjects 290000 Engineering and Technology
Keyword coastal topography
headland
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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Created: Thu, 20 Dec 2007, 22:14:31 EST by Bikash Das on behalf of School of Engineering